OverviewAll product unitsProduct unitPassive ComponentsProduct groupSignal & CommunicationsProduct familyRF InductorsProduct seriesWE-KI SMT Wire Wound Ceramic Inductor

WE-KI SMT Wire Wound Ceramic Inductor

WE-KI SMT Wire Wound Ceramic Inductor
Size Dimen­sions 3DL
(mm)
W
(mm)
H
(mm)
Mount
0402 1 0.55 0.5 SMT
0603 1.6 1.05 1.05 SMT
0805 2 1.25 1.2 SMT
1008 2.5 2 1.6 SMT

Characteristics

  • WE-KI series offers you an excellent Q factor and highest possible self resonant frequencies up to 12.5 GHz
  • High quality
  • Inductance tolerances: 2% and 5%
  • High thermal stability
  • Recommended soldering: Reflow
  • Operating temperature: –40°C to +125°C
  • Custom designs on request

Applications

  • Especially developed for high frequency applications
  • RF transceiver/communications
  • SAT-Receiver
  • Set Top Box
  • Broadband signal transmission
  • Bluetooth
  • Wireless LAN

Modelithics Simulation Models

Incorporate this part into your design with Modelithics’ highly accurate measurement-based simulation models.Modelithics libraries are available for Keysight Technologies’ Advanced Design System (ADS), NI/AWR Design Environment/Microwave Office™, Keysight Technologies’ Gensys, ASYSS® HFSS™, Sonnet® and Cadence.

Products

All
0402
0603
0805
1008
Order Code Data­sheet Simu­lation DownloadsL
(nH)
Tol. LTest Condition LQmin.Test Condition QRDC max.
(Ω)
IR
(mA)
fres
(MHz)
Design Kit Samples
744765010ASPEC
9 files 1 ±0.2nH 250 MHz 13 250 MHz 0.045 1360 6000744765A
744765G
744761016ASPEC
9 files 1.6 ±0.2nH 250 MHz 24 250 MHz 0.03 700 12500744761G
744761
744761018ASPEC
9 files 1.8 ±0.2nH 250 MHz 16 250 MHz 0.05 700 12500744761G
744761
744765019ASPEC
9 files 1.9 ±0.2nH 250 MHz 16 250 MHz 0.07 1040 6000
744765020ASPEC
9 files 2 ±0.2nH 250 MHz 16 250 MHz 0.07 1040 6000744765A
744765G
744761020ASPEC
9 files 2 ±0.2nH 250 MHz 16 250 MHz 0.08 700 6900744761G
744761
744765022ASPEC
9 files 2.2 ±0.2nH 250 MHz 18 250 MHz 0.07 960 6000744765A
744765G
744760022ASPEC
9 files 2.2 ±0.2nH 250 MHz 50 1000 MHz 0.06 800 6000744762G
744762
744765024ASPEC
9 files 2.4 ±0.2nH 250 MHz 16 250 MHz 0.068 790 6000
744765027ASPEC
9 files 2.7 ±0.2nH 250 MHz 16 250 MHz 0.12 640 6000744765A
744765G
744760027ASPEC
9 files 2.7 ±0.2nH 250 MHz 35 1000 MHz 0.08 800 6000
744765033ASPEC
9 files 3.3 ±5% 250 MHz 20 250 MHz 0.066 840 6000744765A
744765G
744761033ASPEC
9 files 3.3 ±0.2nH 250 MHz 22 250 MHz 0.06 700 5800744761G
744761
744760033ASPEC
9 files 3.3 ±0.2nH 250 MHz 60 1000 MHz 0.08 800 6000744762G
744762
744762033ASPEC
9 files 3.3 ±0.3nH 100 MHz 50 1000 MHz 0.06 1000 6000
744765036ASPEC
9 files 3.6 ±5% 250 MHz 20 250 MHz 0.066 840 6000
744761036ASPEC
9 files 3.6 ±0.2nH 250 MHz 22 250 MHz 0.06 700 5900744761G
744761
744765039ASPEC
9 files 3.9 ±5% 250 MHz 20 250 MHz 0.066 840 5800
744760039ASPEC
9 files 3.9 ±0.2nH 250 MHz 60 1000 MHz 0.06 600 6000
744761039ASPEC
9 files 3.9 ±0.2nH 250 MHz 22 250 MHz 0.08 700 6000
744762039ASPEC
9 files 3.9 ±0.3nH 100 MHz 38 1000 MHz 0.1 1000 5500
744765043ASPEC
9 files 4.3 ±5% 250 MHz 18 250 MHz 0.091 700 6000
744761043ASPEC
9 files 4.3 ±0.2nH 250 MHz 22 250 MHz 0.08 700 5900
744765047ASPEC
9 files 4.7 ±5% 250 MHz 15 250 MHz 0.13 640 4775744765A
744765G
744760047ASPEC
9 files 4.7 ±0.2nH 250 MHz 60 1000 MHz 0.06 600 5800
744761047ASPEC
9 files 4.7 ±0.2nH 250 MHz 20 250 MHz 0.13 700 5800744761G
744761
744765051ASPEC
9 files 5.1 ±5% 250 MHz 23 250 MHz 0.083 800 5800744765A
744761051ASPEC
9 files 5.1 ±5% 250 MHz 20 250 MHz 0.14 700 5700
744761051GASPEC
9 files 5.1 ±2% 250 MHz 20 250 MHz 0.14 700 5700
744765051GASPEC
9 files 5.1 ±0.2nH 250 MHz 23 250 MHz 0.083 800 5800744765G
744760051ASPEC
9 files 5.1 ±5% 250 MHz 60 1000 MHz 0.08 600 5800
744765056ASPEC
9 files 5.6 ±5% 250 MHz 23 250 MHz 0.083 760 5800744765A
744761056ASPEC
9 files 5.6 ±5% 250 MHz 16 250 MHz 0.15 700 5500744761
744761056GASPEC
9 files 5.6 ±2% 250 MHz 16 250 MHz 0.15 700 5500744761G
744765056GASPEC
9 files 5.6 ±0.2nH 250 MHz 23 250 MHz 0.083 760 5800744765G
744760056ASPEC
9 files 5.6 ±5% 250 MHz 60 1000 MHz 0.08 600 5800744762
744760056GASPEC
9 files 5.6 ±0.2nH 250 MHz 60 1000 MHz 0.08 600 5800744762G
744765062ASPEC
9 files 6.2 ±5% 250 MHz 23 250 MHz 0.083 760 5800
744765062GASPEC
9 files 6.2 ±0.2nH 250 MHz 23 250 MHz 0.083 750 5800
744765068ASPEC
9 files 6.8 ±5% 250 MHz 20 250 MHz 0.083 680 4800744765A
744761068ASPEC
9 files 6.8 ±5% 250 MHz 30 250 MHz 0.11 700 5800744761
744762068ASPEC
9 files 6.8 ±5% 100 MHz 50 1000 MHz 0.06 1000 5500744762
744765068GASPEC
9 files 6.8 ±0.2nH 250 MHz 20 250 MHz 0.083 680 4800744765G
744761068GASPEC
9 files 6.8 ±2% 250 MHz 30 250 MHz 0.11 700 5800744761G
744760068ASPEC
9 files 6.8 ±5% 250 MHz 60 1000 MHz 0.06 600 5600
744760068GASPEC
9 files 6.8 ±0.2nH 250 MHz 60 1000 MHz 0.06 600 5600
744762068GASPEC
9 files 6.8 ±0.2nH 100 MHz 50 1000 MHz 0.06 1000 5500744762G
744765075ASPEC
9 files 7.5 ±5% 250 MHz 25 250 MHz 0.104 680 5800744765A
744761075ASPEC
9 files 7.5 ±5% 250 MHz 28 250 MHz 0.11 700 4800744761
744765075GASPEC
9 files 7.5 ±0.2nH 250 MHz 25 250 MHz 0.104 680 5800744765G
744761075GASPEC
9 files 7.5 ±2% 250 MHz 28 250 MHz 0.106 700 4800744761G
744765082ASPEC
9 files 8.2 ±5% 250 MHz 25 250 MHz 0.104 680 4400744765A
744760082ASPEC
9 files 8.2 ±5% 250 MHz 60 1000 MHz 0.06 600 5500744762
744762082ASPEC
9 files 8.2 ±5% 100 MHz 50 1000 MHz 0.06 1000 5500
744765082GASPEC
9 files 8.2 ±0.2nH 250 MHz 25 250 MHz 0.104 680 4400744765G
744761082ASPEC
9 files 8.2 ±5% 250 MHz 30 250 MHz 0.1 700 4600744761
744761082GASPEC
9 files 8.2 ±2% 250 MHz 30 250 MHz 0.1 700 4600744761G
744760082GASPEC
9 files 8.2 ±0.2nH 250 MHz 60 1000 MHz 0.06 600 5500744762G
744762082GASPEC
9 files 8.2 ±0.2nH 100 MHz 50 1000 MHz 0.06 1000 5500
744765087ASPEC
9 files 8.7 ±5% 250 MHz 18 250 MHz 0.2 480 4100
744761087GASPEC
9 files 8.7 ±2% 250 MHz 28 250 MHz 0.109 700 4600
744761087ASPEC
9 files 8.7 ±5% 250 MHz 28 250 MHz 0.109 700 4600
744765090ASPEC
9 files 9 ±5% 250 MHz 25 250 MHz 0.104 680 4160744765A
744765090GASPEC
9 files 9 ±0.2nH 250 MHz 25 250 MHz 0.104 680 4160744765G
744761091ASPEC
9 files 9.1 ±5% 250 MHz 28 250 MHz 0.135 700 4000
744761091GASPEC
9 files 9.1 ±2% 250 MHz 28 250 MHz 0.135 700 4000
744765095ASPEC
9 files 9.5 ±5% 250 MHz 18 250 MHz 0.2 680 4000
744761095ASPEC
9 files 9.5 ±5% 250 MHz 28 250 MHz 0.135 700 4500
744761095GASPEC
9 files 9.5 ±2% 250 MHz 28 250 MHz 0.135 700 4500
744765095GASPEC
9 files 9.5 ±0.2nH 250 MHz 18 250 MHz 0.2 680 4000
744765110ASPEC
9 files 10 ±5% 250 MHz 23 250 MHz 0.195 480 3900744765A
744761110ASPEC
9 files 10 ±5% 250 MHz 30 250 MHz 0.13 700 4800744761
744760110ASPEC
9 files 10 ±5% 250 MHz 60 500 MHz 0.08 600 4800744762
744762110ASPEC
9 files 10 ±5% 100 MHz 50 1000 MHz 0.08 1000 4300744762
744765110GASPEC
9 files 10 ±2% 250 MHz 23 250 MHz 0.195 480 3900744765G
744761110GASPEC
9 files 10 ±2% 250 MHz 30 250 MHz 0.13 700 4800744761G
744760110GASPEC
9 files 10 ±2% 250 MHz 60 500 MHz 0.08 600 4800744762G
744762110GASPEC
9 files 10 ±2% 100 MHz 50 1000 MHz 0.08 1000 4300744762G
744765111ASPEC
9 files 11 ±5% 250 MHz 26 250 MHz 0.12 640 3680
744765111GASPEC
9 files 11 ±2% 250 MHz 26 250 MHz 0.12 640 3680
744761111ASPEC
9 files 11 ±5% 250 MHz 33 250 MHz 0.09 700 4000744761
744761111GASPEC
9 files 11 ±2% 250 MHz 33 250 MHz 0.09 700 4000744761G
744765112ASPEC
9 files 12 ±5% 250 MHz 26 250 MHz 0.12 640 3600744765A
744761112ASPEC
9 files 12 ±5% 250 MHz 35 250 MHz 0.13 700 4000744761
744762112ASPEC
9 files 12 ±5% 100 MHz 60 500 MHz 0.08 1000 3600
744765112GASPEC
9 files 12 ±2% 250 MHz 26 250 MHz 0.12 640 3600744765G
744761112GASPEC
9 files 12 ±2% 250 MHz 35 250 MHz 0.13 700 4000744761G
744760112ASPEC
9 files 12 ±5% 250 MHz 60 500 MHz 0.08 600 4100744762
744760112GASPEC
9 files 12 ±2% 250 MHz 60 500 MHz 0.08 600 4100744762G
744762112GASPEC
9 files 12 ±2% 100 MHz 60 500 MHz 0.08 1000 3600
744765113ASPEC
9 files 13 ±5% 250 MHz 24 250 MHz 0.21 560 3450744765A
744765113GASPEC
9 files 13 ±2% 250 MHz 24 250 MHz 0.21 560 3450744765G
744761113ASPEC
9 files 13 ±5% 250 MHz 38 250 MHz 0.106 700 4000
744761113GASPEC
9 files 13 ±2% 250 MHz 38 250 MHz 0.106 700 4000
744765115ASPEC
9 files 15 ±5% 250 MHz 26 250 MHz 0.172 560 3280744765A
744761115ASPEC
9 files 15 ±5% 250 MHz 35 250 MHz 0.17 700 4000744761
744762115ASPEC
9 files 15 ±5% 100 MHz 60 500 MHz 0.08 1000 2700744762
744765115GASPEC
9 files 15 ±2% 250 MHz 26 250 MHz 0.172 560 3280744765G
744761115GASPEC
9 files 15 ±2% 250 MHz 35 250 MHz 0.17 700 4000744761G
744760115ASPEC
9 files 15 ±5% 250 MHz 60 500 MHz 0.08 600 3600744762
744760115GASPEC
9 files 15 ±2% 250 MHz 60 500 MHz 0.08 600 3600744762G
744762115GASPEC
9 files 15 ±2% 100 MHz 60 500 MHz 0.08 1000 2700744762G
744765116ASPEC
9 files 16 ±5% 250 MHz 24 250 MHz 0.22 560 3100
744761116ASPEC
9 files 16 ±5% 250 MHz 34 250 MHz 0.17 700 3300744761
744765116GASPEC
9 files 16 ±2% 250 MHz 24 250 MHz 0.22 460 3100
744761116GASPEC
9 files 16 ±2% 250 MHz 34 250 MHz 0.17 700 3300744761G
744765118ASPEC
9 files 18 ±5% 250 MHz 25 250 MHz 0.23 420 3100744765A
744762118ASPEC
9 files 18 ±5% 100 MHz 60 350 MHz 0.1 1000 2700744762
744765118GASPEC
9 files 18 ±2% 250 MHz 25 250 MHz 0.23 420 3100744765G
744761118ASPEC
9 files 18 ±5% 250 MHz 38 250 MHz 0.17 700 3100744761
744761118GASPEC
9 files 18 ±2% 250 MHz 38 250 MHz 0.17 700 3100744761G
744760118ASPEC
9 files 18 ±5% 250 MHz 60 500 MHz 0.08 600 3400
744760118GASPEC
9 files 18 ±2% 250 MHz 60 500 MHz 0.08 600 3400
744762118GASPEC
9 files 18 ±2% 100 MHz 60 350 MHz 0.1 1000 2700744762G
744765119ASPEC
9 files 19 ±5% 250 MHz 26 250 MHz 0.202 480 3040744765A
744765119GASPEC
9 files 19 ±2% 250 MHz 26 250 MHz 0.202 480 3040744765G
744765120ASPEC
9 files 20 ±5% 250 MHz 25 250 MHz 0.25 420 3000744765A
744761120ASPEC
9 files 20 ±5% 250 MHz 38 250 MHz 0.22 700 3000744761
744761120GASPEC
9 files 20 ±2% 250 MHz 38 250 MHz 0.22 700 3000744761G
744765120GASPEC
9 files 20 ±2% 250 MHz 25 250 MHz 0.25 420 3000744765G
744765122ASPEC
9 files 22 ±5% 250 MHz 25 250 MHz 0.3 400 2800744765A
744761122ASPEC
9 files 22 ±5% 250 MHz 38 250 MHz 0.22 700 3000744761
744760122ASPEC
9 files 22 ±5% 250 MHz 60 500 MHz 0.1 600 3300744762
744762122ASPEC
9 files 22 ±5% 100 MHz 60 350 MHz 0.1 1000 2500
744765122GASPEC
9 files 22 ±2% 250 MHz 25 250 MHz 0.3 400 2800744765G
744761122GASPEC
9 files 22 ±2% 250 MHz 38 250 MHz 0.22 700 3000744761G
744760122GASPEC
9 files 22 ±2% 250 MHz 60 500 MHz 0.1 600 3300744762G
744762122GASPEC
9 files 22 ±2% 100 MHz 60 350 MHz 0.1 1000 2500
744765123ASPEC
9 files 23 ±5% 250 MHz 26 250 MHz 0.214 400 2720
744765123GASPEC
9 files 23 ±2% 250 MHz 26 250 MHz 0.214 400 2720
744765124ASPEC
9 files 24 ±5% 250 MHz 25 250 MHz 0.3 400 2700744765A
744761124GASPEC
9 files 24 ±2% 250 MHz 37 250 MHz 0.14 700 2650
744765124GASPEC
9 files 24 ±2% 250 MHz 25 250 MHz 0.3 400 2700744765G
744761124ASPEC
9 files 24 ±5% 250 MHz 37 250 MHz 0.14 700 2650
744765127ASPEC
9 files 27 ±5% 250 MHz 26 250 MHz 0.298 400 2480744765A
744761127ASPEC
9 files 27 ±5% 250 MHz 40 250 MHz 0.22 600 2800744761
744760127ASPEC
9 files 27 ±5% 250 MHz 60 500 MHz 0.12 600 2600
744762127ASPEC
9 files 27 ±5% 100 MHz 60 350 MHz 0.1 1000 1800744762
744765127GASPEC
9 files 27 ±2% 250 MHz 26 250 MHz 0.298 400 2480744765G
744761127GASPEC
9 files 27 ±2% 250 MHz 40 250 MHz 0.22 600 2800744761G
744760127GASPEC
9 files 27 ±2% 250 MHz 60 500 MHz 0.12 600 2600
744762127GASPEC
9 files 27 ±2% 100 MHz 60 350 MHz 0.1 1000 1800744762G
744765130ASPEC
9 files 30 ±5% 250 MHz 25 250 MHz 0.3 400 2350744765A
744761130ASPEC
9 files 30 ±5% 250 MHz 40 250 MHz 0.22 600 2500744761
744761130GASPEC
10 files 30 ±2% 250 MHz 40 250 MHz 0.22 600 2500744761G
744765130GASPEC
9 files 30 ±2% 250 MHz 25 250 MHz 0.3 400 2350744765G
744765133ASPEC
9 files 33 ±5% 250 MHz 24 250 MHz 0.35 400 2350744765A
744760133ASPEC
9 files 33 ±5% 250 MHz 60 500 MHz 0.15 500 2400744762
744762133ASPEC
9 files 33 ±5% 100 MHz 60 350 MHz 0.1 1000 1700744762
744765133GASPEC
9 files 33 ±2% 250 MHz 24 250 MHz 0.35 400 2350744765G
744761133ASPEC
9 files 33 ±5% 250 MHz 43 250 MHz 0.22 600 2300744761
744761133GASPEC
9 files 33 ±2% 250 MHz 43 250 MHz 0.22 600 2300744761G
744760133GASPEC
9 files 33 ±2% 250 MHz 60 500 MHz 0.15 500 2400744762G
744762133GASPEC
9 files 33 ±2% 100 MHz 60 350 MHz 0.1 1000 1700744762G
744765136ASPEC
9 files 36 ±5% 250 MHz 26 250 MHz 0.403 320 2320744765A
744760136ASPEC
9 files 36 ±5% 250 MHz 60 500 MHz 0.18 500 2000
744765136GASPEC
9 files 36 ±2% 250 MHz 26 250 MHz 0.403 320 2320744765G
744761136GASPEC
9 files 36 ±2% 250 MHz 36 250 MHz 0.22 600 2300
744761136ASPEC
9 files 36 ±5% 250 MHz 36 250 MHz 0.22 600 2300
744760136GASPEC
9 files 36 ±2% 250 MHz 60 500 MHz 0.18 500 2000
744765139ASPEC
9 files 39 ±5% 250 MHz 25 250 MHz 0.55 320 2100744765A
744762139ASPEC
9 files 39 ±5% 100 MHz 60 350 MHz 0.1 1000 1500744762
744761139ASPEC
9 files 39 ±5% 250 MHz 43 250 MHz 0.25 600 2200744761
744761139GASPEC
9 files 39 ±2% 250 MHz 43 250 MHz 0.25 600 2200744761G
744765139GASPEC
9 files 39 ±2% 250 MHz 25 250 MHz 0.55 320 2100744765G
744760139ASPEC
9 files 39 ±5% 250 MHz 60 500 MHz 0.18 500 2100744762
744760139GASPEC
9 files 39 ±2% 250 MHz 60 500 MHz 0.18 500 2100744762G
744762139GASPEC
9 files 39 ±2% 100 MHz 60 350 MHz 0.1 1000 1500744762G
744765140ASPEC
9 files 40 ±5% 250 MHz 26 250 MHz 0.438 320 2240
744765140GASPEC
9 files 40 ±2% 250 MHz 26 250 MHz 0.438 320 2240
744765143ASPEC
9 files 43 ±5% 250 MHz 25 250 MHz 0.81 100 2030744765A
744761143GASPEC
9 files 43 ±2% 250 MHz 38 250 MHz 0.28 600 2000
744765143GASPEC
9 files 43 ±2% 250 MHz 25 250 MHz 0.81 100 2030744765G
744761143ASPEC
9 files 43 ±5% 250 MHz 38 250 MHz 0.28 600 2000
744760143ASPEC
9 files 43 ±5% 250 MHz 60 500 MHz 0.18 500 1800
744760143GASPEC
9 files 43 ±2% 200 MHz 60 500 MHz 0.18 500 1800
744765147ASPEC
9 files 47 ±5% 200 MHz 26 200 MHz 0.83 100 2100744765A
744760147ASPEC
9 files 47 ±5% 200 MHz 60 500 MHz 0.15 500 1700744762
744762147ASPEC
9 files 47 ±5% 100 MHz 60 350 MHz 0.1 1000 1500
744761147ASPEC
9 files 47 ±5% 200 MHz 40 200 MHz 0.28 600 2000744761
744761147GASPEC
9 files 47 ±2% 200 MHz 40 200 MHz 0.28 600 2000744761G
744765147GASPEC
9 files 47 ±2% 200 MHz 26 200 MHz 0.83 100 2100744765G
744760147GASPEC
9 files 47 ±2% 200 MHz 60 500 MHz 0.15 500 1700744762G
744762147GASPEC
9 files 47 ±2% 100 MHz 60 350 MHz 0.1 1000 1500
744765151ASPEC
9 files 51 ±5% 200 MHz 25 200 MHz 0.82 100 1750744765A
744761151GASPEC
9 files 51 ±2% 200 MHz 40 200 MHz 0.31 600 1900744761G
744765151GASPEC
9 files 51 ±2% 200 MHz 25 200 MHz 0.82 100 1750744765G
744761151ASPEC
9 files 51 ±5% 200 MHz 40 200 MHz 0.31 600 1900744761
744765156ASPEC
9 files 56 ±5% 200 MHz 22 200 MHz 0.97 100 1760744765A
744760156ASPEC
9 files 56 ±5% 200 MHz 60 500 MHz 0.25 500 1600
744762156ASPEC
9 files 56 ±5% 100 MHz 60 350 MHz 0.12 1000 1350744762
744765156GASPEC
9 files 56 ±2% 200 MHz 22 200 MHz 0.97 100 1760744765G
744761156ASPEC
9 files 56 ±5% 200 MHz 40 200 MHz 0.31 600 1900744761
744761156GASPEC
9 files 56 ±2% 200 MHz 40 200 MHz 0.31 600 1900744761G
744760156GASPEC
9 files 56 ±2% 200 MHz 60 500 MHz 0.25 500 1600
744762156GASPEC
9 files 56 ±2% 100 MHz 60 350 MHz 0.12 1000 1350744762G
744761162ASPEC
9 files 62 ±5% 200 MHz 40 200 MHz 0.34 600 1700
744761162GASPEC
9 files 62 ±2% 200 MHz 40 200 MHz 0.34 600 1700
744765168ASPEC
9 files 68 ±5% 200 MHz 22 200 MHz 1.12 100 1620744765A
744761168ASPEC
9 files 68 ±5% 200 MHz 40 250 MHz 0.34 600 1700744761
744762168ASPEC
9 files 68 ±5% 100 MHz 60 350 MHz 0.15 1000 1300
744765168GASPEC
9 files 68 ±2% 200 MHz 22 200 MHz 1.12 100 1620744765G
744761168GASPEC
9 files 68 ±2% 200 MHz 40 200 MHz 0.34 600 1700744761G
744760168ASPEC
9 files 68 ±5% 200 MHz 60 500 MHz 0.27 500 1450744762
744760168GASPEC
9 files 68 ±2% 200 MHz 60 500 MHz 0.27 500 1450744762G
744762168GASPEC
9 files 68 ±2% 100 MHz 60 350 MHz 0.15 1000 1300
744761172ASPEC
9 files 72 ±5% 150 MHz 35 150 MHz 0.49 400 1700744761
744761172GASPEC
9 files 72 ±2% 150 MHz 35 150 MHz 0.49 400 1700744761G
744765175ASPEC
9 files 75 ±5% 200 MHz 20 200 MHz 1.2 160 1550744765A
744765175GASPEC
9 files 75 ±2% 200 MHz 20 200 MHz 1.2 160 1550744765G
744760182ASPEC
9 files 82 ±5% 150 MHz 60 500 MHz 0.32 500 1350744762
744762182ASPEC
9 files 82 ±5% 100 MHz 60 350 MHz 0.18 1000 1100744762
744765182ASPEC
9 files 82 ±5% 150 MHz 20 150 MHz 1.25 100 1500744765A
744761182ASPEC
9 files 82 ±5% 150 MHz 35 150 MHz 0.54 400 1700744761
744761182GASPEC
9 files 82 ±2% 150 MHz 35 150 MHz 0.54 400 1700744761G
744765182GASPEC
9 files 82 ±2% 150 MHz 20 150 MHz 1.25 100 1500744765G
744760182GASPEC
9 files 82 ±2% 150 MHz 60 500 MHz 0.32 500 1350744762G
744762182GASPEC
9 files 82 ±2% 100 MHz 60 350 MHz 0.18 1000 1100744762G
744761190ASPEC
9 files 90 ±5% 150 MHz 35 150 MHz 0.54 400 1700
744761190GASPEC
9 files 90 ±2% 150 MHz 35 150 MHz 0.54 400 1700
744765191ASPEC
9 files 91 ±5% 150 MHz 20 150 MHz 2.3 120 1350744765A
744765191GASPEC
9 files 91 ±2% 150 MHz 20 150 MHz 2.3 120 1350744765G
744760191ASPEC
9 files 91 ±5% 150 MHz 60 500 MHz 0.35 500 1200
744760191GASPEC
9 files 91 ±2% 150 MHz 60 500 MHz 0.35 500 1200
744765210ASPEC
9 files 100 ±5% 150 MHz 20 150 MHz 2.52 100 1300744765A
744761210ASPEC
9 files 100 ±5% 150 MHz 35 150 MHz 0.63 400 1400744761
744762210ASPEC
9 files 100 ±5% 25 MHz 60 350 MHz 0.18 1000 1100744762
744765210GASPEC
9 files 100 ±2% 150 MHz 20 150 MHz 2.52 100 1300744765G
744761210GASPEC
9 files 100 ±2% 150 MHz 35 150 MHz 0.63 400 1400744761G
744760210ASPEC
9 files 100 ±5% 150 MHz 60 500 MHz 0.43 500 1200
744760210GASPEC
9 files 100 ±2% 150 MHz 60 500 MHz 0.43 500 1200744762G
744762210GASPEC
9 files 100 ±2% 100 MHz 60 350 MHz 0.18 1000 1100744762G
744761211GASPEC
9 files 110 ±2% 150 MHz 35 150 MHz 0.63 400 1400
744761211ASPEC
9 files 110 ±5% 150 MHz 35 150 MHz 0.63 400 1400
744762212ASPEC
9 files 120 ±5% 25 MHz 45 100 MHz 0.2 800 950744762
744761212ASPEC
9 files 120 ±5% 100 MHz 35 150 MHz 0.65 300 1300744761
744765212ASPEC
9 files 120 ±5% 150 MHz 20 150 MHz 2.66 100 1100744765A
744765212GASPEC
9 files 120 ±2% 150 MHz 20 150 MHz 2.66 100 1100744765G
744761212GASPEC
9 files 120 ±2% 150 MHz 35 150 MHz 0.65 300 1300744761G
744760212ASPEC
9 files 120 ±5% 150 MHz 50 250 MHz 0.48 500 1100
744760212GASPEC
9 files 120 ±2% 150 MHz 50 250 MHz 0.48 500 1100
744762212GASPEC
9 files 120 ±2% 25 MHz 45 100 MHz 0.2 800 950744762G
744761215ASPEC
9 files 150 ±5% 100 MHz 35 150 MHz 0.92 280 1000744761
744762215ASPEC
9 files 150 ±5% 25 MHz 45 100 MHz 0.22 800 880
744761215GASPEC
9 files 150 ±2% 150 MHz 35 150 MHz 0.92 280 1000744761G
744760215ASPEC
9 files 150 ±5% 100 MHz 50 250 MHz 0.56 400 950744762
744760215GASPEC
9 files 150 ±2% 100 MHz 50 250 MHz 0.56 400 950744762G
744762215GASPEC
9 files 150 ±2% 25 MHz 45 100 MHz 0.22 800 880
744761216ASPEC
9 files 160 ±5% 100 MHz 30 100 MHz 1 250 1000
744761216GASPEC
9 files 160 ±2% 100 MHz 30 100 MHz 1 250 1000
744760218ASPEC
9 files 180 ±5% 100 MHz 50 250 MHz 0.78 400 900744762
744762218ASPEC
9 files 180 ±5% 25 MHz 45 100 MHz 0.33 800 800744762
744761218ASPEC
9 files 180 ±5% 100 MHz 30 100 MHz 1.25 240 1000744761
744761218GASPEC
9 files 180 ±2% 100 MHz 30 100 MHz 1.25 240 1000744761G
744760218GASPEC
9 files 180 ±2% 100 MHz 50 250 MHz 0.78 400 900744762G
744762218GASPEC
9 files 180 ±2% 25 MHz 45 100 MHz 0.33 800 800744762G
744761220ASPEC
9 files 200 ±5% 100 MHz 30 100 MHz 1.25 240 1000
744761220GASPEC
9 files 200 ±2% 100 MHz 30 100 MHz 1.25 240 1000
744761221ASPEC
9 files 210 ±5% 100 MHz 27 100 MHz 1.7 200 1000
744761221GASPEC
9 files 210 ±2% 100 MHz 27 100 MHz 1.7 200 1000
744760222ASPEC
9 files 220 ±5% 100 MHz 50 250 MHz 1 400 860
744762222ASPEC
9 files 220 ±5% 25 MHz 45 100 MHz 0.45 800 730744762
744762222GASPEC
9 files 220 ±2% 25 MHz 45 100 MHz 0.45 800 730744762G
744761222ASPEC
9 files 220 ±5% 100 MHz 30 100 MHz 1.7 200 1000744761
744761222GASPEC
9 files 220 ±2% 100 MHz 30 100 MHz 1.7 200 1000744761G
744760222GASPEC
9 files 220 ±2% 100 MHz 50 250 MHz 1 400 860
744761224ASPEC
9 files 240 ±5% 100 MHz 30 100 MHz 1.7 200 1000
744761224GASPEC
9 files 240 ±2% 100 MHz 30 100 MHz 1.7 200 1000
744761227ASPEC
9 files 270 ±5% 100 MHz 30 100 MHz 1.8 170 1000744761
744762227ASPEC
9 files 270 ±5% 25 MHz 45 100 MHz 0.75 600 650
744761227GASPEC
9 files 270 ±2% 100 MHz 30 100 MHz 1.8 170 1000744761G
744760227ASPEC
9 files 270 ±5% 100 MHz 45 250 MHz 1.46 350 850744762
744760227GASPEC
9 files 270 ±2% 100 MHz 45 250 MHz 1.46 350 850744762G
744762227GASPEC
9 files 270 ±2% 25 MHz 45 100 MHz 0.75 600 650
744761233ASPEC
9 files 330 ±5% 100 MHz 25 100 MHz 2 150 450744761
744760233ASPEC
9 files 330 ±5% 100 MHz 45 250 MHz 1.65 300 800
744762233ASPEC
9 files 330 ±5% 25 MHz 45 100 MHz 0.9 500 570744762
744762233GASPEC
9 files 330 ±2% 25 MHz 45 100 MHz 0.9 500 570744762G
744761233GASPEC
9 files 330 ±2% 100 MHz 25 100 MHz 2 150 450744761G
744760233GASPEC
9 files 330 ±2% 100 MHz 45 250 MHz 1.65 300 800
744761239ASPEC
9 files 390 ±5% 100 MHz 20 100 MHz 2 170 350744761
744760239ASPEC
9 files 390 ±5% 100 MHz 45 250 MHz 2.2 210 780744762
744762239ASPEC
9 files 390 ±5% 25 MHz 45 100 MHz 1.06 470 530
744761239GASPEC
9 files 390 ±2% 100 MHz 20 100 MHz 2 170 350744761G
744760239GASPEC
9 files 390 ±2% 100 MHz 45 250 MHz 2.2 210 780744762G
744762239GASPEC
9 files 390 ±2% 25 MHz 45 100 MHz 1.06 470 530
744762247ASPEC
9 files 470 ±5% 25 MHz 45 100 MHz 1.17 420 480
744762247GASPEC
9 files 470 ±2% 25 MHz 45 100 MHz 1.17 420 480
744761247ASPEC
9 files 470 ±5% 25 MHz 15 25 MHz 2.1 170 250
7447602470ASPEC
9 files 470 ±5% 25 MHz 25 100 MHz 1.05 210 350
744762256ASPEC
9 files 560 ±5% 25 MHz 45 100 MHz 1.5 310 430744762
744762256GASPEC
9 files 560 ±2% 25 MHz 45 100 MHz 1.5 310 430744762G
744761256ASPEC
9 files 560 ±5% 25 MHz 15 25 MHz 2.5 120 220
7447602560ASPEC
9 files 560 ±5% 25 MHz 18 100 MHz 1.1 230 250
7447602620ASPEC
9 files 620 ±5% 25 MHz 18 100 MHz 1.2 230 250
744761268ASPEC
9 files 680 ±5% 25 MHz 15 25 MHz 2.9 120 200
744762268ASPEC
9 files 680 ±5% 25 MHz 45 100 MHz 2.06 230 380744762
744762268GASPEC
9 files 680 ±2% 25 MHz 45 100 MHz 2.06 230 380744762G
7447602680ASPEC
9 files 680 ±5% 25 MHz 15 100 MHz 1.2 400 188
744762275ASPEC
9 files 750 ±5% 25 MHz 45 100 MHz 2.2 200 360
744762275GASPEC
9 files 750 ±2% 25 MHz 45 100 MHz 2.2 200 360
744762282ASPEC
9 files 820 ±5% 25 MHz 45 100 MHz 2.3 180 350744762
744762282GASPEC
9 files 820 ±2% 25 MHz 45 100 MHz 2.3 180 350744762G
744761282ASPEC
9 files 820 ±5% 25 MHz 15 25 MHz 3.2 120 200
7447602820ASPEC
9 files 820 ±5% 25 MHz 15 100 MHz 1.5 300 215
744762291ASPEC
9 files 910 ±5% 25 MHz 45 100 MHz 3.18 150 330
744762291GASPEC
9 files 910 ±2% 25 MHz 45 100 MHz 3.18 150 330
744762310ASPEC
9 files 1000 ±5% 25 MHz 35 50 MHz 3.3 120 310744762
744761310ASPEC
9 files 1000 ±5% 25 MHz 15 25 MHz 3.5 120 200
744762310GASPEC
9 files 1000 ±2% 25 MHz 35 50 MHz 3.3 120 310744762G
7447603100ASPEC
9 files 1000 ±5% 25 MHz 20 50 MHz 2.8 180 250
7447603120ASPEC
9 files 1200 ±5% 25 MHz 18 50 MHz 3.2 200 190
7447603150ASPEC
9 files 1500 ±5% 25 MHz 18 50 MHz 5.88 160 210
7447603180ASPEC
9 files 1800 ±5% 25 MHz 18 50 MHz 6.26 140 210
Order Code Data­sheet Simu­lation
744765010ASPEC
744761016ASPEC
744761018ASPEC
744765019ASPEC
744765020ASPEC
744761020ASPEC
744765022ASPEC
744760022ASPEC
744765024ASPEC
744765027ASPEC
744760027ASPEC
744765033ASPEC
744761033ASPEC
744760033ASPEC
744762033ASPEC
744765036ASPEC
744761036ASPEC
744765039ASPEC
744760039ASPEC
744761039ASPEC
744762039ASPEC
744765043ASPEC
744761043ASPEC
744765047ASPEC
744760047ASPEC
744761047ASPEC
744765051ASPEC
744761051ASPEC
744761051GASPEC
744765051GASPEC
744760051ASPEC
744765056ASPEC
744761056ASPEC
744761056GASPEC
744765056GASPEC
744760056ASPEC
744760056GASPEC
744765062ASPEC
744765062GASPEC
744765068ASPEC
744761068ASPEC
744762068ASPEC
744765068GASPEC
744761068GASPEC
744760068ASPEC
744760068GASPEC
744762068GASPEC
744765075ASPEC
744761075ASPEC
744765075GASPEC
744761075GASPEC
744765082ASPEC
744760082ASPEC
744762082ASPEC
744765082GASPEC
744761082ASPEC
744761082GASPEC
744760082GASPEC
744762082GASPEC
744765087ASPEC
744761087GASPEC
744761087ASPEC
744765090ASPEC
744765090GASPEC
744761091ASPEC
744761091GASPEC
744765095ASPEC
744761095ASPEC
744761095GASPEC
744765095GASPEC
744765110ASPEC
744761110ASPEC
744760110ASPEC
744762110ASPEC
744765110GASPEC
744761110GASPEC
744760110GASPEC
744762110GASPEC
744765111ASPEC
744765111GASPEC
744761111ASPEC
744761111GASPEC
744765112ASPEC
744761112ASPEC
744762112ASPEC
744765112GASPEC
744761112GASPEC
744760112ASPEC
744760112GASPEC
744762112GASPEC
744765113ASPEC
744765113GASPEC
744761113ASPEC
744761113GASPEC
744765115ASPEC
744761115ASPEC
744762115ASPEC
744765115GASPEC
744761115GASPEC
744760115ASPEC
744760115GASPEC
744762115GASPEC
744765116ASPEC
744761116ASPEC
744765116GASPEC
744761116GASPEC
744765118ASPEC
744762118ASPEC
744765118GASPEC
744761118ASPEC
744761118GASPEC
744760118ASPEC
744760118GASPEC
744762118GASPEC
744765119ASPEC
744765119GASPEC
744765120ASPEC
744761120ASPEC
744761120GASPEC
744765120GASPEC
744765122ASPEC
744761122ASPEC
744760122ASPEC
744762122ASPEC
744765122GASPEC
744761122GASPEC
744760122GASPEC
744762122GASPEC
744765123ASPEC
744765123GASPEC
744765124ASPEC
744761124GASPEC
744765124GASPEC
744761124ASPEC
744765127ASPEC
744761127ASPEC
744760127ASPEC
744762127ASPEC
744765127GASPEC
744761127GASPEC
744760127GASPEC
744762127GASPEC
744765130ASPEC
744761130ASPEC
744761130GASPEC
744765130GASPEC
744765133ASPEC
744760133ASPEC
744762133ASPEC
744765133GASPEC
744761133ASPEC
744761133GASPEC
744760133GASPEC
744762133GASPEC
744765136ASPEC
744760136ASPEC
744765136GASPEC
744761136GASPEC
744761136ASPEC
744760136GASPEC
744765139ASPEC
744762139ASPEC
744761139ASPEC
744761139GASPEC
744765139GASPEC
744760139ASPEC
744760139GASPEC
744762139GASPEC
744765140ASPEC
744765140GASPEC
744765143ASPEC
744761143GASPEC
744765143GASPEC
744761143ASPEC
744760143ASPEC
744760143GASPEC
744765147ASPEC
744760147ASPEC
744762147ASPEC
744761147ASPEC
744761147GASPEC
744765147GASPEC
744760147GASPEC
744762147GASPEC
744765151ASPEC
744761151GASPEC
744765151GASPEC
744761151ASPEC
744765156ASPEC
744760156ASPEC
744762156ASPEC
744765156GASPEC
744761156ASPEC
744761156GASPEC
744760156GASPEC
744762156GASPEC
744761162ASPEC
744761162GASPEC
744765168ASPEC
744761168ASPEC
744762168ASPEC
744765168GASPEC
744761168GASPEC
744760168ASPEC
744760168GASPEC
744762168GASPEC
744761172ASPEC
744761172GASPEC
744765175ASPEC
744765175GASPEC
744760182ASPEC
744762182ASPEC
744765182ASPEC
744761182ASPEC
744761182GASPEC
744765182GASPEC
744760182GASPEC
744762182GASPEC
744761190ASPEC
744761190GASPEC
744765191ASPEC
744765191GASPEC
744760191ASPEC
744760191GASPEC
744765210ASPEC
744761210ASPEC
744762210ASPEC
744765210GASPEC
744761210GASPEC
744760210ASPEC
744760210GASPEC
744762210GASPEC
744761211GASPEC
744761211ASPEC
744762212ASPEC
744761212ASPEC
744765212ASPEC
744765212GASPEC
744761212GASPEC
744760212ASPEC
744760212GASPEC
744762212GASPEC
744761215ASPEC
744762215ASPEC
744761215GASPEC
744760215ASPEC
744760215GASPEC
744762215GASPEC
744761216ASPEC
744761216GASPEC
744760218ASPEC
744762218ASPEC
744761218ASPEC
744761218GASPEC
744760218GASPEC
744762218GASPEC
744761220ASPEC
744761220GASPEC
744761221ASPEC
744761221GASPEC
744760222ASPEC
744762222ASPEC
744762222GASPEC
744761222ASPEC
744761222GASPEC
744760222GASPEC
744761224ASPEC
744761224GASPEC
744761227ASPEC
744762227ASPEC
744761227GASPEC
744760227ASPEC
744760227GASPEC
744762227GASPEC
744761233ASPEC
744760233ASPEC
744762233ASPEC
744762233GASPEC
744761233GASPEC
744760233GASPEC
744761239ASPEC
744760239ASPEC
744762239ASPEC
744761239GASPEC
744760239GASPEC
744762239GASPEC
744762247ASPEC
744762247GASPEC
744761247ASPEC
7447602470ASPEC
744762256ASPEC
744762256GASPEC
744761256ASPEC
7447602560ASPEC
7447602620ASPEC
744761268ASPEC
744762268ASPEC
744762268GASPEC
7447602680ASPEC
744762275ASPEC
744762275GASPEC
744762282ASPEC
744762282GASPEC
744761282ASPEC
7447602820ASPEC
744762291ASPEC
744762291GASPEC
744762310ASPEC
744761310ASPEC
744762310GASPEC
7447603100ASPEC
7447603120ASPEC
7447603150ASPEC
7447603180ASPEC
Samples
Order Code Data­sheet Simu­lation DownloadsL
(nH)
Tol. LTest Condition LQmin.Test Condition QRDC max.
(Ω)
IR
(mA)
fres
(MHz)
Design Kit Samples

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.

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.

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 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/antenna-matching

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