WE-KI HC SMT High Current Wire Wound Ceramic Inductor

WE-KI HC SMT High Current Wire Wound Ceramic Inductor
SizeDimen­sions3DL
(mm)
W
(mm)
H
(mm)
Mount
0402
1.1 0.6 0.6 SMT
0603
1.6 1 0.8 SMT

Characteristics

  • Inductance values ​​from 1 nH up to 390 nH
  • High quality factor Q
  • High self-resonant frequency
  • High currents up to 2.3 A
  • 2% Inductance tolerance
  • Operating temperature: -40 ° C to +125 ° C

Applications

  • Especially for RF application
  • Ideal for high current applications
  • Wideband filter
  • Decoupling

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Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
L(nH)
Tol. L
Test Condition L
Qmin.
Test Condition Q
RDC max.(Ω)
IR(mA)
fres(MHz)
Design Kit
Samples
744916010
1 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor20 
Q-Factor250 MHz 
DC Resistance0.03 Ω
Rated Current2300 mA
Self Resonant Frequency16000 MHz
Design Kit
744917018
1.8 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1.8 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor18 
Q-Factor250 MHz 
DC Resistance0.033 Ω
Rated Current2100 mA
Self Resonant Frequency16000 MHz
Design Kit
744916020
2 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor24 
Q-Factor250 MHz 
DC Resistance0.038 Ω
Rated Current2100 mA
Self Resonant Frequency15200 MHz
Design Kit
744916022
2.2 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance0.038 Ω
Rated Current2100 mA
Self Resonant Frequency15100 MHz
Design Kit
744917022
2.2 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor10 
Q-Factor250 MHz 
DC Resistance0.23 Ω
Rated Current900 mA
Self Resonant Frequency15000 MHz
Design Kit
744916027
2.7 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.7 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor24 
Q-Factor250 MHz 
DC Resistance0.56 Ω
Rated Current1500 mA
Self Resonant Frequency13000 MHz
Design Kit
744916033
3.3 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.3 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.045 Ω
Rated Current1700 mA
Self Resonant Frequency12800 MHz
Design Kit
744917033
3.3 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.3 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.024 Ω
Rated Current1900 mA
Self Resonant Frequency9600 MHz
Design Kit
744916036
3.6 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.6 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.045 Ω
Rated Current1700 mA
Self Resonant Frequency11700 MHz
Design Kit
744917036
3.6 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.6 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor32 
Q-Factor250 MHz 
DC Resistance0.031 Ω
Rated Current1900 mA
Self Resonant Frequency9700 MHz
Design Kit
744916039
3.9 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.9 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.045 Ω
Rated Current1700 mA
Self Resonant Frequency9500 MHz
Design Kit
744917039
3.9 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.9 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.039 Ω
Rated Current1600 mA
Self Resonant Frequency7500 MHz
Design Kit
744916043
4.3 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.3 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.04 Ω
Rated Current1600 mA
Self Resonant Frequency7150 MHz
Design Kit
744917043
4.3 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.3 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor24 
Q-Factor250 MHz 
DC Resistance0.08 Ω
Rated Current1300 mA
Self Resonant Frequency7500 MHz
Design Kit
744916047
4.7 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.7 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor23 
Q-Factor250 MHz 
DC Resistance0.06 Ω
Rated Current1500 mA
Self Resonant Frequency6850 MHz
Design Kit
744916051
5.1 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5.1 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor20 
Q-Factor250 MHz 
DC Resistance0.1 Ω
Rated Current1200 mA
Self Resonant Frequency6800 MHz
Design Kit
744917051
5.1 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5.1 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor32 
Q-Factor250 MHz 
DC Resistance0.036 Ω
Rated Current1700 mA
Self Resonant Frequency8900 MHz
Design Kit
744916056
5.6 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5.6 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor29 
Q-Factor250 MHz 
DC Resistance0.048 Ω
Rated Current1600 mA
Self Resonant Frequency6500 MHz
Design Kit
744917056
5.6 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5.6 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.036 Ω
Rated Current1700 mA
Self Resonant Frequency6600 MHz
Design Kit
744917060
6 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor39 
Q-Factor250 MHz 
DC Resistance0.036 Ω
Rated Current1700 mA
Self Resonant Frequency6000 MHz
Design Kit
744916062
6.2 nH, ±0.2nH, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6.2 nH
Inductance±0.2nH 
Inductance250 MHz 
Q-Factor29 
Q-Factor250 MHz 
DC Resistance0.05 Ω
Rated Current1600 mA
Self Resonant Frequency5800 MHz
Design Kit
744916068
6.8 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6.8 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.055 Ω
Rated Current1500 mA
Self Resonant Frequency5800 MHz
Design Kit
744917068
6.8 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6.8 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor34 
Q-Factor250 MHz 
DC Resistance0.042 Ω
Rated Current1400 mA
Self Resonant Frequency5800 MHz
Design Kit
744917072
7.2 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance7.2 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.07 Ω
Rated Current1400 mA
Self Resonant Frequency5400 MHz
Design Kit
744917075
7.5 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance7.5 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor33 
Q-Factor250 MHz 
DC Resistance0.08 Ω
Rated Current1300 mA
Self Resonant Frequency5300 MHz
Design Kit
744916082
8.2 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8.2 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.058 Ω
Rated Current1500 mA
Self Resonant Frequency5400 MHz
Design Kit
744917082
8.2 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8.2 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor37 
Q-Factor250 MHz 
DC Resistance0.054 Ω
Rated Current1400 mA
Self Resonant Frequency5900 MHz
Design Kit
744916087
8.7 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8.7 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor29 
Q-Factor250 MHz 
DC Resistance0.065 Ω
Rated Current1500 mA
Self Resonant Frequency5000 MHz
Design Kit
744917087
8.7 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8.7 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor46 
Q-Factor250 MHz 
DC Resistance0.054 Ω
Rated Current1400 mA
Self Resonant Frequency5500 MHz
Design Kit
744916090
9 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance9 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.073 Ω
Rated Current1400 mA
Self Resonant Frequency5000 MHz
Design Kit
744917091
9.1 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance9.1 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor32 
Q-Factor250 MHz 
DC Resistance0.058 Ω
Rated Current1400 mA
Self Resonant Frequency5100 MHz
Design Kit
744916095
9.5 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance9.5 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.075 Ω
Rated Current1400 mA
Self Resonant Frequency4700 MHz
Design Kit
744917095
9.5 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance9.5 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor39 
Q-Factor250 MHz 
DC Resistance0.053 Ω
Rated Current1400 mA
Self Resonant Frequency4900 MHz
Design Kit
744916110
10 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance10 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.085 Ω
Rated Current1300 mA
Self Resonant Frequency4700 MHz
Design Kit
744917110
10 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance10 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor39 
Q-Factor250 MHz 
DC Resistance0.048 Ω
Rated Current1400 mA
Self Resonant Frequency4300 MHz
Design Kit
744916111
11 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance11 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor29 
Q-Factor250 MHz 
DC Resistance0.065 Ω
Rated Current1400 mA
Self Resonant Frequency4700 MHz
Design Kit
744917111
11 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance11 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor33 
Q-Factor250 MHz 
DC Resistance0.058 Ω
Rated Current1400 mA
Self Resonant Frequency4100 MHz
Design Kit
744916112
12 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance12 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.07 Ω
Rated Current1200 mA
Self Resonant Frequency4400 MHz
Design Kit
744917112
12 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance12 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor30 
Q-Factor250 MHz 
DC Resistance0.115 Ω
Rated Current1100 mA
Self Resonant Frequency4100 MHz
Design Kit
744916113
13 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance13 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.14 Ω
Rated Current870 mA
Self Resonant Frequency4200 MHz
Design Kit
744916115
15 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance15 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.13 Ω
Rated Current1100 mA
Self Resonant Frequency3900 MHz
Design Kit
744917115
15 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance15 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.078 Ω
Rated Current1200 mA
Self Resonant Frequency3600 MHz
Design Kit
744916116
16 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance16 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.13 Ω
Rated Current850 mA
Self Resonant Frequency3700 MHz
Design Kit
744917116
16 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance16 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor36 
Q-Factor250 MHz 
DC Resistance0.085 Ω
Rated Current1100 mA
Self Resonant Frequency3500 MHz
Design Kit
744916118
18 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance18 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.12 Ω
Rated Current900 mA
Self Resonant Frequency3550 MHz
Design Kit
744917118
18 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance18 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor33 
Q-Factor250 MHz 
DC Resistance0.066 Ω
Rated Current1200 mA
Self Resonant Frequency3300 MHz
Design Kit
744916119
19 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance19 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.175 Ω
Rated Current850 mA
Self Resonant Frequency3500 MHz
Design Kit
744916121
21 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance21 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance0.46 Ω
Rated Current450 mA
Self Resonant Frequency1700 MHz
Design Kit
744916122
22 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance22 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.25 Ω
Rated Current800 mA
Self Resonant Frequency3300 MHz
Design Kit
744917122
22 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance22 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor35 
Q-Factor250 MHz 
DC Resistance0.14 Ω
Rated Current850 mA
Self Resonant Frequency3150 MHz
Design Kit
744916123
23 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance23 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.16 Ω
Rated Current800 mA
Self Resonant Frequency3300 MHz
Design Kit
744917123
23 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance23 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor32 
Q-Factor250 MHz 
DC Resistance0.19 Ω
Rated Current850 mA
Self Resonant Frequency3000 MHz
Design Kit
744916124
24 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance24 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.29 Ω
Rated Current700 mA
Self Resonant Frequency3150 MHz
Design Kit
744917124
24 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance24 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor34 
Q-Factor250 MHz 
DC Resistance0.074 Ω
Rated Current1100 mA
Self Resonant Frequency2950 MHz
Design Kit
744916125
25 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance25 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.3 Ω
Rated Current700 mA
Self Resonant Frequency3150 MHz
Design Kit
744916126
26 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance26 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.275 Ω
Rated Current700 mA
Self Resonant Frequency3150 MHz
Design Kit
744916127
27 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance27 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor27 
Q-Factor250 MHz 
DC Resistance0.33 Ω
Rated Current450 mA
Self Resonant Frequency3200 MHz
Design Kit
744917127
27 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance27 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor35 
Q-Factor250 MHz 
DC Resistance0.2 Ω
Rated Current780 mA
Self Resonant Frequency2800 MHz
Design Kit
744916130
30 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance30 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance0.4 Ω
Rated Current450 mA
Self Resonant Frequency2900 MHz
Design Kit
744917130
30 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance30 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor39 
Q-Factor250 MHz 
DC Resistance0.16 Ω
Rated Current920 mA
Self Resonant Frequency2800 MHz
Design Kit
744916133
33 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance33 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.33 Ω
Rated Current490 mA
Self Resonant Frequency2800 MHz
Design Kit
744917133
33 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance33 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor36 
Q-Factor250 MHz 
DC Resistance0.22 Ω
Rated Current680 mA
Self Resonant Frequency2700 MHz
Design Kit
744916136
36 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance36 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.36 Ω
Rated Current480 mA
Self Resonant Frequency2800 MHz
Design Kit
744917136
36 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance36 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor35 
Q-Factor250 MHz 
DC Resistance0.225 Ω
Rated Current720 mA
Self Resonant Frequency2500 MHz
Design Kit
744916137
37 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance37 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.48 Ω
Rated Current470 mA
Self Resonant Frequency2700 MHz
Design Kit
744916139
39 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance39 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.43 Ω
Rated Current450 mA
Self Resonant Frequency2600 MHz
Design Kit
744917139
39 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance39 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.25 Ω
Rated Current680 mA
Self Resonant Frequency2450 MHz
Design Kit
744916140
40 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance40 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.52 Ω
Rated Current450 mA
Self Resonant Frequency2600 MHz
Design Kit
744916143
43 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance43 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.52 Ω
Rated Current450 mA
Self Resonant Frequency2500 MHz
Design Kit
744917143
43 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance43 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor36 
Q-Factor250 MHz 
DC Resistance0.225 Ω
Rated Current810 mA
Self Resonant Frequency2450 MHz
Design Kit
744916147
47 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance47 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor28 
Q-Factor250 MHz 
DC Resistance0.58 Ω
Rated Current420 mA
Self Resonant Frequency2400 MHz
Design Kit
744917147
47 nH, ±2%, 200 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance47 nH
Inductance±2% 
Inductance200 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.24 Ω
Rated Current680 mA
Self Resonant Frequency2300 MHz
Design Kit
744916151
51 nH, ±2%, 250 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance51 nH
Inductance±2% 
Inductance250 MHz 
Q-Factor26 
Q-Factor250 MHz 
DC Resistance0.7 Ω
Rated Current360 mA
Self Resonant Frequency2300 MHz
Design Kit
744917151
51 nH, ±2%, 200 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance51 nH
Inductance±2% 
Inductance200 MHz 
Q-Factor39 
Q-Factor250 MHz 
DC Resistance0.28 Ω
Rated Current660 mA
Self Resonant Frequency2300 MHz
Design Kit
744917156
56 nH, ±2%, 200 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance56 nH
Inductance±2% 
Inductance200 MHz 
Q-Factor40 
Q-Factor250 MHz 
DC Resistance0.3 Ω
Rated Current610 mA
Self Resonant Frequency2200 MHz
Design Kit
744917168
68 nH, ±2%, 200 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance68 nH
Inductance±2% 
Inductance200 MHz 
Q-Factor37 
Q-Factor250 MHz 
DC Resistance0.33 Ω
Rated Current600 mA
Self Resonant Frequency2000 MHz
Design Kit
744917172
72 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance72 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor37 
Q-Factor250 MHz 
DC Resistance0.42 Ω
Rated Current550 mA
Self Resonant Frequency1900 MHz
Design Kit
744917175
75 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance75 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor37 
Q-Factor250 MHz 
DC Resistance0.52 Ω
Rated Current500 mA
Self Resonant Frequency1900 MHz
Design Kit
744917182
82 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance82 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor35 
Q-Factor250 MHz 
DC Resistance0.46 Ω
Rated Current510 mA
Self Resonant Frequency1800 MHz
Design Kit
744917191
91 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance91 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor36 
Q-Factor250 MHz 
DC Resistance0.58 Ω
Rated Current440 mA
Self Resonant Frequency1650 MHz
Design Kit
744917210
100 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance100 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor35 
Q-Factor250 MHz 
DC Resistance0.54 Ω
Rated Current470 mA
Self Resonant Frequency1700 MHz
Design Kit
744917211
110 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance110 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.58 Ω
Rated Current440 mA
Self Resonant Frequency1600 MHz
Design Kit
744917212
120 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance120 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor32 
Q-Factor250 MHz 
DC Resistance0.72 Ω
Rated Current420 mA
Self Resonant Frequency1550 MHz
Design Kit
744917215
150 nH, ±2%, 150 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance150 nH
Inductance±2% 
Inductance150 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance0.82 Ω
Rated Current390 mA
Self Resonant Frequency1350 MHz
Design Kit
744917218
180 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance180 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance1.5 Ω
Rated Current310 mA
Self Resonant Frequency1300 MHz
Design Kit
744917220
200 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance200 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor38 
Q-Factor250 MHz 
DC Resistance2 Ω
Rated Current280 mA
Self Resonant Frequency1250 MHz
Design Kit
744917221
210 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance210 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor24 
Q-Factor250 MHz 
DC Resistance2 Ω
Rated Current280 mA
Self Resonant Frequency1200 MHz
Design Kit
744917222
220 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance220 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance2 Ω
Rated Current280 mA
Self Resonant Frequency1100 MHz
Design Kit
744917225
250 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance250 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance3 Ω
Rated Current240 mA
Self Resonant Frequency1050 MHz
Design Kit
744917227
270 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance270 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance2.25 Ω
Rated Current260 mA
Self Resonant Frequency1050 MHz
Design Kit
744917230
300 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance300 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance2.8 Ω
Rated Current220 mA
Self Resonant Frequency990 MHz
Design Kit
744917233
330 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance330 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance3.6 Ω
Rated Current180 mA
Self Resonant Frequency930 MHz
Design Kit
744917236
360 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance360 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance4.6 Ω
Rated Current170 mA
Self Resonant Frequency930 MHz
Design Kit
744917239
390 nH, ±2%, 100 MHz
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance390 nH
Inductance±2% 
Inductance100 MHz 
Q-Factor25 
Q-Factor250 MHz 
DC Resistance4.7 Ω
Rated Current170 mA
Self Resonant Frequency880 MHz
Design Kit

Würth Elektronik offers several product series with different construction technology

RF Inductors selection guide

WE-KI SMT Wire Wound Ceramic Inductor
WE-KI SMT Wire Wound Ceramic Inductor
  • Inductance values from 1nH up to 1800nH
  • High Q factor
  • Up to 12.5GHz self resonant frequency
  • Up to ± 2% inductance tolerance
  • High thermal stability
  • Design Kits available for the different sizes
WE-KI HC SMT High Current Wire Wound Ceramic Inductor
WE-KI High Current Wire Wound Ceramic Inductor
  • Inductance values from 1nH up to 390nH
  • Excellent Q factor
  • High current up to 2.3 A
  • ± 2% Inductance Tolerance
  • High thermal stability
  • Design Kit available
WE-MK Multilayer Ceramic SMT Inductor
WE-MK Multilayer Ceramic Inductor
  • Inductance values from 1nH up to 470nH
  • Extremly small size (up to 0201)
  • Up to ±2% (or ±0.1nH) inductance tolerance
  • Robust structure
  • Polarity marking available 
  • Design Kits available for the different sizes
  • High thermal stability
WE-CAIR Air Coil
WE-CAIR Air Core Inductor
  • Inductance values from 1.65nH up to 538nH
  • Extremly high Q factor (Q>100)
  • Very high current up to 4 A
  • High self resonant frequency
  • Design Kit available
  • High thermal stability
WE-TCI Thinfilm Chip Inductor
WE-TCI Thin Film Inductor
  • Inductance values from 1nH up to 27nH
  • High self resonant frequency
  • Tight tolerance of 2 % (1% on request) or ± 0.1
  • Very small size (up to 0201)
WE-RFI Ferrite SMT Inductor
WE-RFI Wire Wound ferrite inductor
  • High inductance values available from 20 nH up to 47 µH
  • Operating temperature:–40 °C to +85 °C
  • Size: 0402 to 1008
  • Design Kit available  

What is the Quality Factor Q?

What is the Quality Factor Q?

The quality factor Q is an essential characteristic parameter and one of the first creterias that every RF engineer should take into account. The Q factor is given either as minimum or as typical value at a defined frequency point. In the case of Würth Elektronik, the Q factor is given as the minimum value in order to guarantee customers a reliable minimum level.

Basically, the Q factor is the ratio between the inductive reactance XL and the losses RS and is an indicator of how ideal an inductor is. For inductors with air or ceramic cores, the resistance RS is mainly due to the resistivity of the conductor in the inductor device. A higher Q factor means less losses in the component.

RF Inductors Factor Frequency

Self Resonant Frequency

Self Resonant Frequency

Because the winding structure of any coil of wire will exhibit some capacitance, the inductor will serve as a parallel resonant tank circuit with an associated self-resonance frequency (SRF). As with conventional inductors, SRF indicates up to which frequency the inductor behaves as an inductor.

Exactly at the SRF the inductor with its parasitic capacitance behaves as a resonance circuit with an almost infinite high impedance, only circuit losses limit the high value of the impedance. Beyond the SRF the “inductor” behaves like a capacitor

Increasing the inductance and/or the parasitic capacitance lowers the SRF, and vice versa. This is the reason why the higher the inductance value, the lower the SRF.

In case of choke applications in which inductors are used, the best signal blocking occurs shortly below the SRF, where the impedance is very high and thus the attenuation reaches its maximum. For filter or impedance-matching applications, it is more important to have constant inductance in the relevant frequency range, which means the SRF of the inductor should be well above the operating frequency of the circuit.

CM RF Inductors Self Resonant Frequency

Rated Current in high frequency application

Rated Current in high frequency application

The rated current is specified as the maximum DC current (A or mA) that causes a defined temperature rise (i.e. ΔT = 40 K). The temperature rise plus the ambient temperature must not exceed the maximum operating temperature. For high current applications, please select the specific air core inductors: WE-KI HC, WE-ACHC and WE-CAIR.

RF Inductors Rated Current in high frequency application

RF inductors and Antenna Matching

How Antenna Matching works

RF inductors and Antenna Matching

How Antenna Matching works

With the help of the Smith chart, the complex antenna feed point impedance, consisting of resistive and reactive values, can be represented graphically. In a matched antenna, the impedance at the operating frequency is close to the middle of the Smith chart and therefore close to the impedance of 50 Ω. This can be achieved by using RF inductors and RF capacitors. A pi matching network is particularly useful for this purpose, since it can be used flexibly for antenna matching from almost any other impedance. In practice, antenna matching works through iterative steps.

In addition to the WE-MCA Antennas, we offer our customers a development-accompanying antenna service. We support from the antenna selection over the antenna placement up to the antenna matching.

Website: www.we-online.com/antennamatching

E-Mail: antenna.matching@we-online.com

We are also offering an Antenna Matching Design Kit that contains all the components needed for your antenna matching. This Design Kit with order code 748001, contains chip antennas WE-MCA, multilayer ceramic inductors WE-MK size 0402, high frequency chip capacitors WCAP-CSRF in size 0402 and RF coaxial cables WR-CXARY working up to 18 GHz

RF inductors and Antenna Matching

Assortments

Articles from this product series can be found in the following assortments: