General Purpose Inductor Fixed Inductors 2,092

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Part RoHS Manufacturer Inductor Type Inductor Application No. of Terminals Package Style (Meter) Shielded Surface Mount Lead Diameter Minimum Quality Factor (at L-nom) Lead Spacing Minimum Operating Temperature Terminal Finish Self Resonance Frequency Terminal Placement DC Resistance No. of Functions Lead Length Core Material Test Frequency Package Height Case or Size Code Manufacturer Series Special Feature Construction Tolerance Packing Method Package Length JESD-609 Code Shape or Size Description Series Terminal Shape Nominal Inductance (L) Package Diameter Reference Standard Package Width Maximum Operating Temperature Maximum Rated Current

ETQP4LR68XFC

Panasonic

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

1.58 mΩ

1

Metal Composite

1 MHz

0.157 in (4 mm)

4639

DC Resistance is measured at 5%

Rectangular

20 %

Tape and Reel, Embossed, 15 in

0.461 in (11.7 mm)

Rectangular Package

Wraparound

680 nH

0.394 in (10 mm)

130 °C (266 °F)

28 A

IMC1210ER101J

Vishay Intertechnology

General Purpose Inductor

RF Inductor

2

No

Yes

20

-55 °C (-67 °F)

Matte Tin with Nickel barrier

9 MHz

Dual Ended

14 Ω

1

Iron

796 kHz

1210

5 %

e3

Rectangular Package

Wraparound

100 μH

125 °C (257 °F)

73 mA

IMC1210BN101K

Vishay Intertechnology

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

20

-55 °C (-67 °F)

9 MHz

Dual Ended

14 Ω

1

Iron

796 kHz

0.087 in (2.21 mm)

1210

Molded

10 %

Bulk

0.126 in (3.2 mm)

Rectangular Package

Wraparound

100 μH

0.098 in (2.49 mm)

125 °C (257 °F)

73 mA

IMC1210SY101K

Vishay Intertechnology

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

20

-55 °C (-67 °F)

9 MHz

Dual Ended

14 Ω

1

Iron

796 kHz

0.087 in (2.21 mm)

1210

Molded

10 %

Tape and Reel, 7 in

0.126 in (3.2 mm)

Rectangular Package

IMC-1210

Wraparound

100 μH

0.098 in (2.49 mm)

125 °C (257 °F)

73 mA

MSS7341T-104MLD

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin with Nickel barrier

7.2 MHz

Dual Ended

310 mΩ

1

Ferrite

100 kHz

0.161 in (4.1 mm)

2929

Chip

20 %

Tape and Reel, Embossed Plastic, 13 in

0.287 in (7.3 mm)

e3

Rectangular Package

Wraparound

100 μH

AEC-Q200

0.287 in (7.3 mm)

125 °C (257 °F)

1.15 A

MSS7341T-622NLD

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin with Nickel barrier

42 MHz

Dual Ended

27 mΩ

1

Ferrite

100 kHz

0.161 in (4.1 mm)

2929

Chip

30 %

Tape and Reel, Embossed Plastic, 13 in

0.287 in (7.3 mm)

e3

Rectangular Package

Wraparound

6.2 μH

AEC-Q200

0.287 in (7.3 mm)

125 °C (257 °F)

4.3 A

MSS7341T-683MLD

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin with Nickel barrier

9.6 MHz

Dual Ended

250 mΩ

1

Ferrite

100 kHz

0.161 in (4.1 mm)

2929

Chip

20 %

Tape and Reel, Embossed Plastic, 13 in

0.287 in (7.3 mm)

e3

Rectangular Package

Wraparound

68 μH

AEC-Q200

0.287 in (7.3 mm)

125 °C (257 °F)

1.35 A

XAL7070-651MEC

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver (Sn96.5Ag3.5)

74 MHz

Dual Ended

1.93 mΩ

1

Composite

1 MHz

0.276 in (7 mm)

3028

Rectangular

20 %

Tape and Reel, Embossed Plastic, 7 in

0.295 in (7.5 mm)

e2

Rectangular Package

One Surface

650 nH

AEC-Q200

0.283 in (7.2 mm)

125 °C (257 °F)

26.5 A

RFC20-5R0K-RC

Allied Components International

General Purpose Inductor

2

No

No

40

-20 °C (-4 °F)

Radial

80 mΩ

1

7.9 MHz

10 %

Rectangular Package

Wire

5 μH

100 °C (212 °F)

2.9 A

VCM7122-RC

Allied Components International

General Purpose Inductor

Common Mode Choke

4

No

No

-55 °C (-67 °F)

Radial

130 μΩ

2

1 kHz

Cylindrical Package

Wire

25.5 mH

105 °C (221 °F)

4 A

IHLP3232DZER1R0MA1

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

42 MHz

Dual Ended

5.78 mΩ

1

100 kHz

0.157 in (4 mm)

3232

Rectangular

20 %

Tape and Reel, 13 in

0.322 in (8.18 mm)

Rectangular Package

Wraparound

1 μH

AEC-Q200

0.322 in (8.18 mm)

125 °C (257 °F)

18 A

IHLP6767GZER100M5A

Vishay Intertechnology

General Purpose Inductor

RF Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

7.7 MHz

Dual Ended

10.91 mΩ

1

Composite

100 kHz

0.276 in (7 mm)

6767

Rectangular

20 %

Tape and Reel, 13 in

0.675 in (17.15 mm)

e3

Rectangular Package

Wraparound

10 μH

AEC-Q200

0.675 in (17.15 mm)

155 °C (311 °F)

16 A

IHLP2020BZER6R8M11

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

21 MHz

Dual Ended

121 mΩ

1

Composite

100 kHz

0.079 in (2 mm)

2020

Rectangular

20 %

Tape and Reel, 13 in

0.204 in (5.18 mm)

Rectangular Package

Wraparound

6.8 μH

0.204 in (5.18 mm)

125 °C (257 °F)

2.8 A

XAL5030-122MEC

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver

45 MHz

Dual Ended

12.4 mΩ

1

Composite

1 MHz

0.122 in (3.1 mm)

2221

Rectangular

20 %

Tape and Reel, Embossed Plastic, 7 in

0.216 in (5.48 mm)

e2

Rectangular Package

One Surface

1.2 μH

AEC-Q200

0.208 in (5.28 mm)

125 °C (257 °F)

10.4 A

XAL6030-561MEC

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver

61 MHz

Dual Ended

3.31 mΩ

1

Composite

1 MHz

0.122 in (3.1 mm)

2625

Rectangular

20 %

Tape and Reel, Embossed Plastic, 7 in

0.258 in (6.56 mm)

e2

Rectangular Package

One Surface

560 nH

AEC-Q200

0.25 in (6.36 mm)

125 °C (257 °F)

22 A

744851101

Wurth Elektronik

General Purpose Inductor

Power Inductor

4

No

Yes

-40 °C (-40 °F)

17 MHz

Dual In-Line

22 mΩ

2

100 kHz

9359

10 %

Rectangular Package

One Surface

10 μH

125 °C (257 °F)

5.3 A

744851221

Wurth Elektronik

General Purpose Inductor

Power Inductor

4

No

Yes

-40 °C (-40 °F)

16 MHz

Dual In-Line

45 mΩ

2

100 kHz

9359

10 %

Rectangular Package

One Surface

22 μH

125 °C (257 °F)

3.5 A

NS12555T150MN

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

16.6 MHz

Dual Ended

28 mΩ

1

Ferrite

100 kHz

0.217 in (5.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.492 in (12.5 mm)

Rectangular Package

Wraparound

15 μH

0.492 in (12.5 mm)

125 °C (257 °F)

4.18 A

NS12555T221MN

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

4.4 MHz

Dual Ended

324 mΩ

1

Ferrite

100 kHz

0.217 in (5.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.492 in (12.5 mm)

Rectangular Package

Wraparound

220 μH

0.492 in (12.5 mm)

125 °C (257 °F)

1.18 A

NS12555T470MN

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

9.3 MHz

Dual Ended

66.2 mΩ

1

Ferrite

100 kHz

0.217 in (5.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.492 in (12.5 mm)

Rectangular Package

Wraparound

47 μH

0.492 in (12.5 mm)

125 °C (257 °F)

2.7 A

NS12555T471MN

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

2.8 MHz

Dual Ended

624 mΩ

1

Ferrite

100 kHz

0.217 in (5.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.492 in (12.5 mm)

Rectangular Package

Wraparound

470 μH

0.492 in (12.5 mm)

125 °C (257 °F)

800 mA

NS12575T5R6NN

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

26.2 MHz

Dual Ended

14 mΩ

1

Ferrite

100 kHz

0.295 in (7.5 mm)

4949

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.492 in (12.5 mm)

Rectangular Package

Wraparound

5.6 μH

0.492 in (12.5 mm)

125 °C (257 °F)

6.36 A

CDRH10D68RT125NP-330PC

Sumida

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

59.1 mΩ

1

Ferrite

100 kHz

0.276 in (7 mm)

4242

Rectangular

25 %

Tape and Reel, 13 in

0.417 in (10.6 mm)

Rectangular Package

Wraparound

33 μH

AEC-Q200

0.417 in (10.6 mm)

125 °C (257 °F)

2.6 A

7447797180

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

40 °C (104 °F)

86 MHz

Dual Ended

8.4 mΩ

1

100 kHz

0.177 in (4.5 mm)

4040

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.402 in (10.2 mm)

Rectangular Package

Wraparound

1.8 μH

0.402 in (10.2 mm)

150 °C (302 °F)

9.4 A

7447798241

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

40 °C (104 °F)

16 MHz

Dual Ended

39.5 mΩ

1

Nickel-Zinc

100 kHz

0.252 in (6.4 mm)

4040

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.402 in (10.2 mm)

Rectangular Package

Wraparound

24 μH

0.402 in (10.2 mm)

150 °C (302 °F)

4.5 A

AIRD-01-6R8M

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.063 in (1.6 mm)

0.571 in (14.5 mm)

-40 °C (-40 °F)

Radial

8 mΩ

1

0.492 in (12.5 mm)

Ferrite

1 kHz

Cylindrical

20 %

Bulk

0.827 in (21 mm)

Cylindrical Package

Wire

6.8 μH

0.65 in (16.5 mm)

125 °C (257 °F)

9 A

60B334C

Murata Manufacturing

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

2.66 MHz

Dual Ended

80 mΩ

1

100 kHz

0.787 in (20 mm)

Rectangular

15 %

Bulk

0.925 in (23.5 mm)

Rectangular Package

Wraparound

330 μH

1.063 in (27 mm)

85 °C (185 °F)

4 A

AIRD-03-1R2M

Abracon

General Purpose Inductor

Power Inductor

2

No

No

-25 °C (-13 °F)

Radial

3 mΩ

1

Ferrite

10 Hz

AIRD-03

20 %

Cylindrical Package

Wire

1.2 μH

85 °C (185 °F)

21 A

HL021R0BTTR

KYOCERA AVX

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

15

-55 °C (-67 °F)

Tin

7000 MHz

Dual Ended

100 mΩ

1

450 MHz

0.014 in (0.35 mm)

0402

Rectangular

10 %

Tape and Reel

0.039 in (1 mm)

e3

Rectangular Package

Wraparound

1 μH

0.023 in (0.58 mm)

125 °C (257 °F)

420 mA

74408943680

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Silver Copper

9.5 MHz

Dual Ended

700 mΩ

1

100 kHz

0.15 in (3.8 mm)

1919

Inductance is measured at 1 mA

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e1

Rectangular Package

Wraparound

68 μH

0.189 in (4.8 mm)

125 °C (257 °F)

600 mA

744851330

Wurth Elektronik

General Purpose Inductor

Power Inductor

4

No

Yes

-40 °C (-40 °F)

57 MHz

Dual Ended

12.2 mΩ

1

100 kHz

9373

10 %

Rectangular Package

Wraparound

3.3 μH

125 °C (257 °F)

7.7 A

B82730G3951A020

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.024 in (0.6 mm)

-40 °C (-40 °F)

Dual In-Line

410 mΩ

2

0.118 in (3 mm)

Ferrite

10 kHz

0.472 in (12 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Tray

0.65 in (16.5 mm)

Rectangular Package

Wire

2.2 mH

0.591 in (15 mm)

125 °C (257 °F)

950 mA

SRP4012-1R0M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin/Silver/Copper

Dual Ended

33.6 mΩ

1

Iron

100 kHz

0.047 in (1.2 mm)

1916

Shielded

20 %

Tape and Reel, 13 in

0.185 in (4.7 mm)

e1

Rectangular Package

Wraparound

1 μH

0.157 in (4 mm)

125 °C (257 °F)

4.8 A

XAL1580-102MED

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver

30 MHz

Dual Ended

1.12 mΩ

1

Composite

1 MHz

0.323 in (8.2 mm)

6460

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.638 in (16.2 mm)

e2

Rectangular Package

One Surface

1 μH

AEC-Q200

0.598 in (15.2 mm)

125 °C (257 °F)

57.5 A

XAL1580-401MED

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver

53 MHz

Dual Ended

700 μΩ

1

Composite

1 MHz

0.323 in (8.2 mm)

6460

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.638 in (16.2 mm)

e2

Rectangular Package

One Surface

400 nH

AEC-Q200

0.598 in (15.2 mm)

125 °C (257 °F)

60 A

XAL1580-612MED

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver

11.7 MHz

Dual Ended

6.79 mΩ

1

Composite

1 MHz

0.315 in (8 mm)

6460

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.638 in (16.2 mm)

e2

Rectangular Package

One Surface

6.1 μH

AEC-Q200

0.598 in (15.2 mm)

125 °C (257 °F)

22.6 A

XAL1580-741MED

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver

35.1 MHz

Dual Ended

860 μΩ

1

Composite

1 MHz

0.323 in (8.2 mm)

6460

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.638 in (16.2 mm)

e2

Rectangular Package

One Surface

740 nH

AEC-Q200

0.598 in (15.2 mm)

125 °C (257 °F)

59.7 A

ASPI-0804T-151M-T

Abracon

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Dual Ended

400 mΩ

1

100 kHz

0.217 in (5.5 mm)

5337

Rectangular

20 %

Tape and Reel, 13 in

0.531 in (13.5 mm)

Rectangular Package

Wraparound

150 μH

0.374 in (9.5 mm)

85 °C (185 °F)

1 A

ASPI-0804T-680M-T

Abracon

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Dual Ended

200 mΩ

1

100 kHz

0.217 in (5.5 mm)

5337

Rectangular

20 %

Tape and Reel, 13 in

0.531 in (13.5 mm)

Rectangular Package

Wraparound

68 μH

0.374 in (9.5 mm)

85 °C (185 °F)

1.4 A

AGP2923-153KL

Coilcraft

General Purpose Inductor

Power Inductor

2

PCB Mount

Yes

No

-40 °C (-40 °F)

16 MHz

Radial

2.6 mΩ

1

Ferrite

300 kHz

0.915 in (23.24 mm)

Rectangular

10 %

Tray

1.06 in (26.92 mm)

Rectangular Package

Flat

15 μH

AEC-Q200

0.668 in (16.97 mm)

140 °C (284 °F)

26 A

AGP2923-223KL

Coilcraft

General Purpose Inductor

Power Inductor

2

PCB Mount

Yes

No

-40 °C (-40 °F)

Tin/Silver

13 MHz

Radial

2.6 mΩ

1

Ferrite

300 kHz

0.915 in (23.24 mm)

Rectangular

10 %

Tray

1.06 in (26.92 mm)

e2

Rectangular Package

Flat

22 μH

AEC-Q200

0.668 in (16.97 mm)

140 °C (284 °F)

26 A

AGP2923-472KL

Coilcraft

General Purpose Inductor

Power Inductor

2

PCB Mount

Yes

No

-40 °C (-40 °F)

30 MHz

Radial

2.6 mΩ

1

Ferrite

300 kHz

0.915 in (23.24 mm)

Rectangular

10 %

Tray

1.06 in (26.92 mm)

Rectangular Package

Flat

4.7 μH

AEC-Q200

0.668 in (16.97 mm)

140 °C (284 °F)

26 A

LQH43CN1R0M33L

Murata Manufacturing

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Tin

110 MHz

Dual Ended

42 mΩ

1

Ferrite

1 MHz

0.102 in (2.6 mm)

1812

DC Resistance is measured at 30%

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.177 in (4.5 mm)

e3

Rectangular Package

Wraparound

1 μH

0.126 in (3.2 mm)

85 °C (185 °F)

2.6 A

ASPI-0428S-2R2M-T

Abracon

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Dual Ended

383.7 mΩ

1

100 kHz

1919

ASPI-0428S

20 %

Rectangular Package

Wraparound

2.2 μH

85 °C (185 °F)

480 mA

IHLP5050FDER100MA1

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin Over Nickel

Dual Ended

17.2 mΩ

1

Composite

100 kHz

0.252 in (6.4 mm)

5251

Rectangular

20 %

Tape and Reel, 13 in

0.522 in (13.259 mm)

e3

Rectangular Package

Wraparound

10 μH

AEC-Q200

0.508 in (12.9 mm)

125 °C (257 °F)

10 A

IHLP5050FDER4R7MA1

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin Over Nickel

Dual Ended

11.2 mΩ

1

Composite

100 kHz

0.252 in (6.4 mm)

5251

Rectangular

20 %

Tape and Reel, 13 in

0.522 in (13.259 mm)

e3

Rectangular Package

Wraparound

4.7 μH

AEC-Q200

0.508 in (12.9 mm)

125 °C (257 °F)

13.5 A

IHTH0750JZEB2R2M5A

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

Radial

Yes

No

0.071 in (1.803 mm)

0.486 in (12.344 mm)

-55 °C (-67 °F)

Radial

1.63 mΩ

1

0.165 in (4.191 mm)

Composite

100 kHz

IHTH-0750JZ-5A

Shielded

20 %

Bulk

0.375 in (9.53 mm)

Cylindrical Package

IHTH-0750JZ-5A

Wire

2.2 μH

0.801 in (20.345 mm)

AEC-Q200

155 °C (311 °F)

44 A

BRC2518T330M

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

8 MHz

Dual Ended

1.105 Ω

1

Ferrite

1 MHz

0.071 in (1.8 mm)

1007

DC Resistance measured at 30% Tolerance

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.098 in (2.5 mm)

Rectangular Package

Wraparound

33 μH

0.071 in (1.8 mm)

105 °C (221 °F)

390 mA

Fixed Inductors

Fixed inductors, also known as passive inductors, are electronic components that are designed to store energy in a magnetic field. These components are used in a wide range of electronic applications, including power supplies, filters, oscillators, and RF circuits.

Fixed inductors can be classified into several types based on their specific characteristics and applications. Some of the most common types of fixed inductors include:

1. Wire-wound inductors - These inductors consist of a wire coil wound around a core, typically made of a magnetic material such as iron or ferrite. Wire-wound inductors are commonly used in power supplies and filters.

2. Multilayer ceramic inductors - These inductors are made by stacking thin layers of ceramic material with metal electrodes. Multilayer ceramic inductors are commonly used in high-frequency applications due to their high Q factor and small size.

3. Ferrite bead inductors - These inductors consist of a cylindrical or toroidal ferrite bead that is threaded onto a wire or placed over a PCB trace. Ferrite bead inductors are commonly used in EMI suppression and RF filtering applications.

Fixed inductors are available in a wide range of inductance values, sizes, and power ratings. They are typically characterized by their inductance value, tolerance, and frequency response. Inductance is measured in henries (H) or millihenries (mH), and tolerance refers to the allowed deviation from the specified inductance value.