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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Data­sheet
Simu­lation
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Status
L(µH)
IR(A)
ISAT(A)
RDC max.(Ω)
fres(MHz)
Q
Design Kit
SamplesAvailability & Sample
744032001
SPEC1 µH, 0.75 A, 3.2 A
Simu­lation
Availability
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
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744045001
SPEC1 µH, 1.8 A, 4.4 A
Simu­lation
Availability
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
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7440320015
SPEC1.5 µH, 0.66 A, 2.1 A
Simu­lation
Availability
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
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7440450015
SPEC1.5 µH, 1.75 A, 4 A
Simu­lation
Availability
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
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7440320018
SPEC1.8 µH, 0.64 A, 2 A
Simu­lation
Availability
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
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7440450018
SPEC1.8 µH, 1.7 A, 3.5 A
Simu­lation
Availability
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
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744032002
SPEC2.2 µH, 0.62 A, 1.8 A
Simu­lation
Availability
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
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744045002
SPEC2.2 µH, 1.6 A, 2.75 A
Simu­lation
Availability
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
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7440320027
SPEC2.7 µH, 0.6 A, 1.6 A
Simu­lation
Availability
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
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7440450027
SPEC2.7 µH, 1.5 A, 2.7 A
Simu­lation
Availability
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
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744032003
SPEC3.3 µH, 0.58 A, 1.5 A
Simu­lation
Availability
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
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744045003
SPEC3.3 µH, 1.4 A, 2.7 A
Simu­lation
Availability
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
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7440320039
SPEC3.9 µH, 0.54 A, 1.35 A
Simu­lation
Availability
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
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7440450039
SPEC3.9 µH, 1.32 A, 2.5 A
Simu­lation
Availability
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
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744032004
SPEC4.7 µH, 0.49 A, 1.25 A
Simu­lation
Availability
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
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744045004
SPEC4.7 µH, 1.24 A, 2 A
Simu­lation
Availability
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
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7440320056
SPEC5.6 µH, 0.44 A, 1.15 A
Simu­lation
Availability
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
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7440450056
SPEC5.6 µH, 1.18 A, 1.9 A
Simu­lation
Availability
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
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744032006
SPEC6.8 µH, 0.42 A, 1.1 A
Simu­lation
Availability
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
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744045006
SPEC6.8 µH, 1.1 A, 1.6 A
Simu­lation
Availability
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
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744032008
SPEC8.2 µH, 0.39 A, 0.95 A
Simu­lation
Availability
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
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744045008
SPEC8.2 µH, 1 A, 1.6 A
Simu­lation
Availability
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
Check availability
744032100
SPEC10 µH, 0.32 A, 0.85 A
Simu­lation
Availability
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
Check availability
744045100
SPEC10 µH, 0.95 A, 1.5 A
Simu­lation
Availability
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
Check availability
744032120
SPEC12 µH, 0.29 A, 0.78 A
Simu­lation
Availability
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
Check availability
744045120
SPEC12 µH, 0.8 A, 1.4 A
Simu­lation
Availability
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
Check availability
744032150
SPEC15 µH, 0.27 A, 0.7 A
Simu­lation
Availability
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
Check availability
744045150
SPEC15 µH, 0.73 A, 1.24 A
Simu­lation
Availability
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
Check availability
744032180
SPEC18 µH, 0.24 A, 0.65 A
Simu­lation
Availability
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
Check availability
744045180
SPEC18 µH, 0.68 A, 1.1 A
Simu­lation
Availability
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
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744032220
SPEC22 µH, 0.22 A, 0.6 A
Simu­lation
Availability
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
Check availability
744045220
SPEC22 µH, 0.63 A, 1 A
Simu­lation
Availability
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
Check availability
744045330
SPEC33 µH, 0.43 A, 0.85 A
Simu­lation
Availability
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
Check availability
744045470
SPEC47 µH, 0.39 A, 0.73 A
Simu­lation
Availability
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
Check availability
744032470
SPEC47 µH, 0.146 A, 0.4 A
Simu­lation
Availability
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
Check availability
744032680
SPEC68 µH, 0.13 A, 0.3 A
Simu­lation
Availability
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
Check availability
744045680
SPEC68 µH, 0.33 A, 0.61 A
Simu­lation
Availability
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
Check availability
744045820
SPEC82 µH, 0.3 A, 0.57 A
Simu­lation
Availability
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
Check availability
744032101
SPEC100 µH, 0.1 A, 0.25 A
Simu­lation
Availability
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
Check availability
744045210
SPEC100 µH, 0.27 A, 0.45 A
Simu­lation
Availability
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
Check availability
744032121
SPEC120 µH, 0.095 A, 0.18 A
Simu­lation
Availability
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
Check availability
744045215
SPEC150 µH, 0.22 A, 0.42 A
Simu­lation
Availability
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
Check availability
744032221
SPEC220 µH, 0.075 A, 0.24 A
Simu­lation
Availability
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
Check availability
744032331
SPEC330 µH, 0.065 A, 0.18 A
Simu­lation
Availability
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
Check availability
744045391
SPEC390 µH, 0.11 A, 0.27 A
Simu­lation
Availability
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
Check availability
744032471
SPEC470 µH, 0.055 A, 0.12 A
Simu­lation
Availability
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
Check availability
744045471
SPEC470 µH, 0.105 A, 0.18 A
Simu­lation
Availability
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
Check availability
744045681
SPEC680 µH, 0.09 A, 0.2 A
Simu­lation
Availability
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
Check availability
744045821
SPEC820 µH, 0.085 A, 0.15 A
Simu­lation
Availability
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
Check availability
744045102
SPEC1000 µH, 0.07 A, 0.16 A
Simu­lation
Availability
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
Check availability
744045152
SPEC1500 µH, 0.055 A, 0.095 A
Simu­lation
Availability
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
Check availability
744045222
SPEC2200 µH, 0.04 A, 0.078 A
Simu­lation
Availability
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
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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)?!