WE-LQ SMT Inductor
SizeDimen­sionsL
(mm)
W
(mm)
H
(mm)
Mount
1210
3.2 2.5 2 SMT
1812
4.5 3.2 2.6 SMT

Characteristics

  • Miniature chip inductor wound on a special ferrite core
  • Small inductances for compact circuits
  • High Q at high frequencies
  • Low DC-resistance
  • Operating temperature: –40 ºC to +125 ºC
  • Recommended solder profile: Reflow

Applications

  • Low power DC/DC-converters from Linear Technology, National Semiconductor, Texas Instruments, Fairchild Semiconductor, ON Semiconductor, STMicroelectronics, Maxim, MPS, Semtech, Exar, Analogic Tech, Diodes and Cologne Chip
  • EMI-Filtering
  • RF-circuits

Products

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1210
1812
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Order Code
Data­sheet
Simu­lation
Downloads
Status
L(µH)
IR(A)
ISAT(A)
RDC max.(Ω)
fres(MHz)
Q(%)
Design Kit
Samples
744032001
1 µH, 0.75 A, 3.2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1 µH
Rated Current0.75 A
Saturation Current3.2 A
DC Resistance0.1 Ω
Self Resonant Frequency100 MHz
Q-Factor20 %
Design Kit
744045001
1 µH, 1.8 A, 4.4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1 µH
Rated Current1.8 A
Saturation Current4.4 A
DC Resistance0.08 Ω
Self Resonant Frequency165 MHz
Q-Factor40 %
Design Kit
7440320015
1.5 µH, 0.66 A, 2.1 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1.5 µH
Rated Current0.66 A
Saturation Current2.1 A
DC Resistance0.13 Ω
Self Resonant Frequency75 MHz
Q-Factor20 %
Design Kit
7440450015
1.5 µH, 1.75 A, 4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1.5 µH
Rated Current1.75 A
Saturation Current4 A
DC Resistance0.09 Ω
Self Resonant Frequency130 MHz
Q-Factor42 %
Design Kit
7440320018
1.8 µH, 0.64 A, 2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1.8 µH
Rated Current0.64 A
Saturation Current2 A
DC Resistance0.14 Ω
Self Resonant Frequency60 MHz
Q-Factor20 %
Design Kit
7440450018
1.8 µH, 1.7 A, 3.5 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1.8 µH
Rated Current1.7 A
Saturation Current3.5 A
DC Resistance0.1 Ω
Self Resonant Frequency100 MHz
Q-Factor45 %
Design Kit
744032002
2.2 µH, 0.62 A, 1.8 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Rated Current0.62 A
Saturation Current1.8 A
DC Resistance0.15 Ω
Self Resonant Frequency50 MHz
Q-Factor20 %
Design Kit
744045002
2.2 µH, 1.6 A, 2.75 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Rated Current1.6 A
Saturation Current2.75 A
DC Resistance0.11 Ω
Self Resonant Frequency80 MHz
Q-Factor40 %
Design Kit
7440320027
2.7 µH, 0.6 A, 1.6 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.7 µH
Rated Current0.6 A
Saturation Current1.6 A
DC Resistance0.18 Ω
Self Resonant Frequency43 MHz
Q-Factor20 %
Design Kit
7440450027
2.7 µH, 1.5 A, 2.7 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.7 µH
Rated Current1.5 A
Saturation Current2.7 A
DC Resistance0.12 Ω
Self Resonant Frequency63 MHz
Q-Factor40 %
Design Kit
744032003
3.3 µH, 0.58 A, 1.5 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.3 µH
Rated Current0.58 A
Saturation Current1.5 A
DC Resistance0.2 Ω
Self Resonant Frequency38 MHz
Q-Factor20 %
Design Kit
744045003
3.3 µH, 1.4 A, 2.7 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.3 µH
Rated Current1.4 A
Saturation Current2.7 A
DC Resistance0.13 Ω
Self Resonant Frequency58 MHz
Q-Factor45 %
Design Kit
7440320039
3.9 µH, 0.54 A, 1.35 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.9 µH
Rated Current0.54 A
Saturation Current1.35 A
DC Resistance0.25 Ω
Self Resonant Frequency35 MHz
Q-Factor20 %
Design Kit
7440450039
3.9 µH, 1.32 A, 2.5 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.9 µH
Rated Current1.32 A
Saturation Current2.5 A
DC Resistance0.14 Ω
Self Resonant Frequency54 MHz
Q-Factor40 %
Design Kit
744032004
4.7 µH, 0.49 A, 1.25 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Rated Current0.49 A
Saturation Current1.25 A
DC Resistance0.28 Ω
Self Resonant Frequency31 MHz
Q-Factor20 %
Design Kit
744045004
4.7 µH, 1.24 A, 2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Rated Current1.24 A
Saturation Current2 A
DC Resistance0.15 Ω
Self Resonant Frequency45 MHz
Q-Factor36 %
Design Kit
7440320056
5.6 µH, 0.44 A, 1.15 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5.6 µH
Rated Current0.44 A
Saturation Current1.15 A
DC Resistance0.36 Ω
Self Resonant Frequency28 MHz
Q-Factor20 %
Design Kit
7440450056
5.6 µH, 1.18 A, 1.9 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5.6 µH
Rated Current1.18 A
Saturation Current1.9 A
DC Resistance0.18 Ω
Self Resonant Frequency41 MHz
Q-Factor36 %
Design Kit
744032006
6.8 µH, 0.42 A, 1.1 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6.8 µH
Rated Current0.42 A
Saturation Current1.1 A
DC Resistance0.4 Ω
Self Resonant Frequency25 MHz
Q-Factor20 %
Design Kit
744045006
6.8 µH, 1.1 A, 1.6 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6.8 µH
Rated Current1.1 A
Saturation Current1.6 A
DC Resistance0.2 Ω
Self Resonant Frequency37 MHz
Q-Factor36 %
Design Kit
744032008
8.2 µH, 0.39 A, 0.95 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8.2 µH
Rated Current0.39 A
Saturation Current0.95 A
DC Resistance0.45 Ω
Self Resonant Frequency23 MHz
Q-Factor20 %
Design Kit
744045008
8.2 µH, 1 A, 1.6 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8.2 µH
Rated Current1 A
Saturation Current1.6 A
DC Resistance0.25 Ω
Self Resonant Frequency34 MHz
Q-Factor36 %
Design Kit
744032100
10 µH, 0.32 A, 0.85 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance10 µH
Rated Current0.32 A
Saturation Current0.85 A
DC Resistance0.65 Ω
Self Resonant Frequency20 MHz
Q-Factor35 %
Design Kit
744045100
10 µH, 0.95 A, 1.5 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance10 µH
Rated Current0.95 A
Saturation Current1.5 A
DC Resistance0.3 Ω
Self Resonant Frequency30 MHz
Q-Factor48 %
Design Kit
744032120
12 µH, 0.29 A, 0.78 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance12 µH
Rated Current0.29 A
Saturation Current0.78 A
DC Resistance0.7 Ω
Self Resonant Frequency18 MHz
Q-Factor35 %
Design Kit
744045120
12 µH, 0.8 A, 1.4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance12 µH
Rated Current0.8 A
Saturation Current1.4 A
DC Resistance0.42 Ω
Self Resonant Frequency28 MHz
Q-Factor48 %
Design Kit
744032150
15 µH, 0.27 A, 0.7 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance15 µH
Rated Current0.27 A
Saturation Current0.7 A
DC Resistance1 Ω
Self Resonant Frequency16 MHz
Q-Factor35 %
Design Kit
744045150
15 µH, 0.73 A, 1.24 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance15 µH
Rated Current0.73 A
Saturation Current1.24 A
DC Resistance0.5 Ω
Self Resonant Frequency26 MHz
Q-Factor45 %
Design Kit
744032180
18 µH, 0.24 A, 0.65 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance18 µH
Rated Current0.24 A
Saturation Current0.65 A
DC Resistance1.1 Ω
Self Resonant Frequency15 MHz
Q-Factor35 %
Design Kit
744045180
18 µH, 0.68 A, 1.1 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance18 µH
Rated Current0.68 A
Saturation Current1.1 A
DC Resistance0.6 Ω
Self Resonant Frequency22 MHz
Q-Factor42 %
Design Kit
744032220
22 µH, 0.22 A, 0.6 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance22 µH
Rated Current0.22 A
Saturation Current0.6 A
DC Resistance1.3 Ω
Self Resonant Frequency14 MHz
Q-Factor35 %
Design Kit
744045220
22 µH, 0.63 A, 1 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance22 µH
Rated Current0.63 A
Saturation Current1 A
DC Resistance0.7 Ω
Self Resonant Frequency20 MHz
Q-Factor50 %
Design Kit
744045330
33 µH, 0.43 A, 0.85 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance33 µH
Rated Current0.43 A
Saturation Current0.85 A
DC Resistance1.1 Ω
Self Resonant Frequency18 MHz
Q-Factor55 %
Design Kit
744045470
47 µH, 0.39 A, 0.73 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance47 µH
Rated Current0.39 A
Saturation Current0.73 A
DC Resistance1.5 Ω
Self Resonant Frequency16 MHz
Q-Factor55 %
Design Kit
744032470
47 µH, 0.146 A, 0.4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance47 µH
Rated Current0.146 A
Saturation Current0.4 A
DC Resistance3 Ω
Self Resonant Frequency11 MHz
Q-Factor40 %
Design Kit
744032680
68 µH, 0.13 A, 0.3 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance68 µH
Rated Current0.13 A
Saturation Current0.3 A
DC Resistance3.8 Ω
Self Resonant Frequency9 MHz
Q-Factor35 %
Design Kit
744045680
68 µH, 0.33 A, 0.61 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance68 µH
Rated Current0.33 A
Saturation Current0.61 A
DC Resistance2.1 Ω
Self Resonant Frequency15 MHz
Q-Factor55 %
Design Kit
744045820
82 µH, 0.3 A, 0.57 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance82 µH
Rated Current0.3 A
Saturation Current0.57 A
DC Resistance2.3 Ω
Self Resonant Frequency12 MHz
Q-Factor55 %
Design Kit
744032101
100 µH, 0.1 A, 0.25 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance100 µH
Rated Current0.1 A
Saturation Current0.25 A
DC Resistance6.5 Ω
Self Resonant Frequency8 MHz
Q-Factor40 %
Design Kit
744045210
100 µH, 0.27 A, 0.45 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance100 µH
Rated Current0.27 A
Saturation Current0.45 A
DC Resistance2.5 Ω
Self Resonant Frequency10 MHz
Q-Factor60 %
Design Kit
744032121
120 µH, 0.095 A, 0.18 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance120 µH
Rated Current0.095 A
Saturation Current0.18 A
DC Resistance7 Ω
Self Resonant Frequency7 MHz
Q-Factor40 %
Design Kit
744045215
150 µH, 0.22 A, 0.42 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance150 µH
Rated Current0.22 A
Saturation Current0.42 A
DC Resistance3.7 Ω
Self Resonant Frequency8 MHz
Q-Factor55 %
Design Kit
744032221
220 µH, 0.075 A, 0.24 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance220 µH
Rated Current0.075 A
Saturation Current0.24 A
DC Resistance11.8 Ω
Self Resonant Frequency5 MHz
Q-Factor40 %
Design Kit
744032331
330 µH, 0.065 A, 0.18 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance330 µH
Rated Current0.065 A
Saturation Current0.18 A
DC Resistance16.5 Ω
Self Resonant Frequency5 MHz
Q-Factor40 %
Design Kit
744045391
390 µH, 0.11 A, 0.27 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance390 µH
Rated Current0.11 A
Saturation Current0.27 A
DC Resistance13 Ω
Self Resonant Frequency5 MHz
Q-Factor50 %
Design Kit
744032471
470 µH, 0.055 A, 0.12 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance470 µH
Rated Current0.055 A
Saturation Current0.12 A
DC Resistance25 Ω
Self Resonant Frequency5 MHz
Q-Factor46 %
Design Kit
744045471
470 µH, 0.105 A, 0.18 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance470 µH
Rated Current0.105 A
Saturation Current0.18 A
DC Resistance14.2 Ω
Self Resonant Frequency5 MHz
Q-Factor50 %
Design Kit
744045681
680 µH, 0.09 A, 0.2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance680 µH
Rated Current0.09 A
Saturation Current0.2 A
DC Resistance16.8 Ω
Self Resonant Frequency3 MHz
Q-Factor45 %
Design Kit
744045821
820 µH, 0.085 A, 0.15 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance820 µH
Rated Current0.085 A
Saturation Current0.15 A
DC Resistance20 Ω
Self Resonant Frequency2 MHz
Q-Factor50 %
Design Kit
744045102
1000 µH, 0.07 A, 0.16 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1000 µH
Rated Current0.07 A
Saturation Current0.16 A
DC Resistance30 Ω
Self Resonant Frequency2 MHz
Q-Factor28 %
Design Kit
744045152
1500 µH, 0.055 A, 0.095 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1500 µH
Rated Current0.055 A
Saturation Current0.095 A
DC Resistance38.5 Ω
Self Resonant Frequency2 MHz
Q-Factor35 %
Design Kit
744045222
2200 µH, 0.04 A, 0.078 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2200 µH
Rated Current0.04 A
Saturation Current0.078 A
DC Resistance47 Ω
Self Resonant Frequency1 MHz
Q-Factor30 %
Design Kit

REDEXPERT loss simulation

Find the best inductor!

REDEXPERT loss simulation

Find the best inductor!

REDEXPERT has the world’s most accurate AC loss model, which even includes the DC-bias current. With dedicated DC-DC topologies or the generic loss simulator, you can accurately determine the AC and DC losses for your converter. The model includes the core material, shape and winding structure of the inductor. REDEXPERT recommends suitable inductors and allows you to add more filters to find the best inductor for your application.

Schematic representations of the REDEXPERT loss simulator

Assortments

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

Videos

How to choose the right coil type (inductor)?!