Fixed Inductors

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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

MS75083-11RU

Vishay Intertechnology

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.02 in (0.508 mm)

28

-55 °C (-67 °F)

Tin

275 MHz

Axial

600 mΩ

1

1.44 in (36.575 mm)

Phenolic

25 MHz

Epoxy Molded

10 %

Tape and Reel

0.25 in (6.35 mm)

e3

Tubular Package

Wire

680 nH

0.095 in (2.415 mm)

MIL-PRF-15305

125 °C (257 °F)

495 mA

ASPI-8040S-3R9N-T

Abracon

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

26 MHz

Dual Ended

17 mΩ

1

Nickel-Zinc Ferrite

100 kHz

0.157 in (4 mm)

3232

Chip

30 %

Tape and Reel

0.315 in (8 mm)

Rectangular Package

One Surface

3.9 μH

0.315 in (8 mm)

125 °C (257 °F)

4.35 A

LQH44PN150MJ0L

Murata Manufacturing

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

25 MHz

Dual Ended

462 mΩ

1

Ferrite

100 kHz

0.043 in (1.1 mm)

1515

DC Resistance is measured at 20% Tolerance

Magnetic Shielding

20 %

Tape and Reel, Embossed, 7 in

0.157 in (4 mm)

Rectangular Package

Wraparound

15 μH

0.157 in (4 mm)

125 °C (257 °F)

610 mA

LQH44PN1R0NJ0L

Murata Manufacturing

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

130 MHz

Dual Ended

57.6 mΩ

1

Ferrite

100 kHz

0.043 in (1.1 mm)

1515

DC Resistance is measured at 20% Tolerance

Magnetic Shielding

30 %

Tape and Reel, Embossed, 7 in

0.157 in (4 mm)

Rectangular Package

Wraparound

1 μH

0.157 in (4 mm)

125 °C (257 °F)

1.53 A

LQH44PN2R2MJ0L

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

68 MHz

Dual Ended

88.8 mΩ

1

Ferrite

100 kHz

0.043 in (1.1 mm)

1515

DC Resistance is measured at 20% Tolerance

Magnetic Shielding

20 %

Tape and Reel, Embossed, 7 in

0.157 in (4 mm)

Rectangular Package

Wraparound

2.2 μH

0.157 in (4 mm)

125 °C (257 °F)

1.23 A

IHSM4825ER120L

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

Dual Ended

79 mΩ

1

Ferrite

1 kHz

0.225 in (5.72 mm)

4825

Chip

15 %

Tape and Reel, 13 in

0.54 in (13.72 mm)

e3

Rectangular Package

Wraparound

12 μH

0.25 in (6.35 mm)

125 °C (257 °F)

2.7 A

IHSM4825ER220L

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

Dual Ended

152 mΩ

1

Ferrite

1 kHz

0.225 in (5.72 mm)

4825

Chip

15 %

Tape and Reel, 13 in

0.54 in (13.72 mm)

e3

Rectangular Package

Wraparound

22 μH

0.25 in (6.35 mm)

125 °C (257 °F)

1.7 A

IHSM4825ER221L

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

Dual Ended

1.58 Ω

1

Ferrite

1 kHz

0.225 in (5.72 mm)

4825

Chip

15 %

Tape and Reel, 13 in

0.54 in (13.72 mm)

e3

Rectangular Package

Wraparound

220 μH

0.25 in (6.35 mm)

125 °C (257 °F)

460 mA

ELJPE8N2KFA

Panasonic

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

9

-20 °C (-4 °F)

Tin

3500 MHz

Dual Ended

60 mΩ

1

Ceramic

100 MHz

0.031 in (0.8 mm)

0603

Chip

10 %

Tape and Reel

0.063 in (1.6 mm)

e3

Rectangular Package

Wraparound

8.2 nH

0.031 in (0.8 mm)

85 °C (185 °F)

1.7 A

ELJRF2N2DFB

Panasonic

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

8

-20 °C (-4 °F)

Tin

6000 MHz

Dual Ended

90 mΩ

1

Non-Magnetic

100 MHz

0.02 in (0.5 mm)

0402

Inductance Tolerance is 0.3 nH

Chip

13.637 %

Tape and Reel, Embossed, 7 in

0.039 in (1 mm)

e3

Rectangular Package

Wraparound

2.2 nH

0.02 in (0.5 mm)

85 °C (185 °F)

400 mA

MSS1038-105KLC

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin with Nickel barrier

3 MHz

Dual Ended

2.853 Ω

1

Ferrite

100 kHz

0.15 in (3.8 mm)

4039

Rectangular

10 %

Tape and Reel, Embossed Plastic, 7 in

0.402 in (10.2 mm)

e3

Rectangular Package

Wraparound

1 mH

AEC-Q200

0.394 in (10 mm)

85 °C (185 °F)

450 mA

PE-92102NL

Pulse Electronics

General Purpose Inductor

Power Inductor

2

Toroidal

No

No

0.02 in (0.508 mm)

0.28 in (7.11 mm)

-40 °C (-40 °F)

20 kHz

Radial

100 mΩ

1

0.377 in (9.58 mm)

Ferrite

Toroidal

20 %

0.41 in (10.41 mm)

Cylindrical Package

Wire

94.1 μH

0.85 in (21.59 mm)

130 °C (266 °F)

2.6 A

VLCF4018T-470MR34-2

TDK

General Purpose Inductor

DC-DC Converter

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

760 mΩ

1

Ferrite

100 kHz

0.071 in (1.8 mm)

1616

Rectangular

20 %

Tape and Reel, 7 in

0.156 in (3.95 mm)

Rectangular Package

One Surface

47 μH

0.156 in (3.95 mm)

105 °C (221 °F)

620 mA

VLF12060T-101M1R9

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

152 mΩ

1

Ferrite

100 kHz

0.236 in (6 mm)

4746

Magnetic Shielding

20 %

Tape and Reel

0.472 in (12 mm)

Rectangular Package

Wraparound

100 μH

0.461 in (11.7 mm)

105 °C (221 °F)

2 A

VLF3012AT-150MR41

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

620 mΩ

1

Ferrite

100 kHz

0.047 in (1.2 mm)

1110

Magnetic Shielding

20 %

Tape and Reel

0.11 in (2.8 mm)

Rectangular Package

Wraparound

15 μH

0.102 in (2.6 mm)

105 °C (221 °F)

540 mA

VLF3012AT-2R2M1R0

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

100 mΩ

1

Ferrite

100 kHz

0.047 in (1.2 mm)

1110

Magnetic Shielding

20 %

Tape and Reel

0.11 in (2.8 mm)

Rectangular Package

Wraparound

2.2 μH

0.102 in (2.6 mm)

105 °C (221 °F)

1.3 A

VLF3012AT-4R7MR74

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

190 mΩ

1

Ferrite

100 kHz

0.047 in (1.2 mm)

1110

Magnetic Shielding

20 %

Tape and Reel

0.11 in (2.8 mm)

Rectangular Package

Wraparound

4.7 μH

0.102 in (2.6 mm)

105 °C (221 °F)

980 mA

RL622-100K-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Radial

No

No

0.024 in (0.62 mm)

50

0.197 in (5 mm)

-55 °C (-67 °F)

Matte Tin

14 MHz

Radial

45 mΩ

1

0.197 in (5 mm)

Ferrite

2.52 MHz

Cylindrical

10 %

Bulk

0.433 in (11 mm)

e3

Cylindrical Package

Wire

10 μH

0.335 in (8.5 mm)

105 °C (221 °F)

3 A

RL622-681K-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Radial

No

No

0.024 in (0.62 mm)

20

0.197 in (5 mm)

-55 °C (-67 °F)

Matte Tin

1.6 MHz

Radial

1.6 Ω

1

0.197 in (5 mm)

Ferrite

796 kHz

Cylindrical

10 %

Bulk

0.433 in (11 mm)

e3

Cylindrical Package

Wire

680 μH

0.335 in (8.5 mm)

105 °C (221 °F)

380 mA

VLCF5020T-6R8N1R3-1

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

165 mΩ

1

Ferrite

100 kHz

0.079 in (2 mm)

2020

Rectangular

30 %

Tape and Reel, 7 in

0.197 in (5 mm)

Rectangular Package

One Surface

6.8 μH

0.197 in (5 mm)

105 °C (221 °F)

1.8 A

VLF10045T-2R2N7R4

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

10.2 mΩ

1

Ferrite

100 kHz

0.177 in (4.5 mm)

3938

Magnetic Shielding

30 %

Tape and Reel

0.394 in (10 mm)

Rectangular Package

Wraparound

2.2 μH

0.382 in (9.7 mm)

105 °C (221 °F)

7.4 A

VLF10045T-6R8N5R1

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

21.4 mΩ

1

Ferrite

100 kHz

0.177 in (4.5 mm)

3938

Magnetic Shielding

30 %

Tape and Reel

0.394 in (10 mm)

Rectangular Package

Wraparound

6.8 μH

0.382 in (9.7 mm)

105 °C (221 °F)

5.1 A

VLF4012AT-100MR79

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

350 mΩ

1

Ferrite

100 kHz

0.047 in (1.2 mm)

1514

Magnetic Shielding

20 %

Tape and Reel

0.146 in (3.7 mm)

Rectangular Package

Wraparound

10 μH

0.138 in (3.5 mm)

105 °C (221 °F)

790 mA

VLF4012AT-2R2M1R5

TDK

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Dual Ended

87 mΩ

1

100 kHz

20 %

Rectangular Package

Wraparound

2.2 μH

105 °C (221 °F)

1.5 A

VLF4012AT-3R3M1R3

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

120 mΩ

1

Ferrite

100 kHz

0.047 in (1.2 mm)

1514

Magnetic Shielding

20 %

Tape and Reel

0.146 in (3.7 mm)

Rectangular Package

Wraparound

3.3 μH

0.138 in (3.5 mm)

105 °C (221 °F)

1.3 A

VLF4012AT-4R7M1R1

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

160 mΩ

1

Ferrite

100 kHz

0.047 in (1.2 mm)

1514

Rectangular

20 %

Tape and Reel

0.146 in (3.7 mm)

Rectangular Package

Wraparound

4.7 μH

0.138 in (3.5 mm)

105 °C (221 °F)

1.1 A

SRP1235-6R8M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

14 MHz

Dual Ended

22 mΩ

1

Iron

100 kHz

0.146 in (3.7 mm)

5050

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.5 in (12.7 mm)

e3

Rectangular Package

Wraparound

6.8 μH

0.5 in (12.7 mm)

125 °C (257 °F)

9 A

SRP1235-R47M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

85 MHz

Dual Ended

2 mΩ

1

Iron

100 kHz

0.146 in (3.7 mm)

5050

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.5 in (12.7 mm)

e3

Rectangular Package

Wraparound

470 nH

0.5 in (12.7 mm)

125 °C (257 °F)

32 A

SRP1250-6R8M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin

Dual Ended

18.5 mΩ

1

Iron

100 kHz

0.205 in (5.2 mm)

5050

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.5 in (12.7 mm)

e3

Rectangular Package

Wraparound

6.8 μH

0.5 in (12.7 mm)

150 °C (302 °F)

11 A

6100-101K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.031 in (0.8 mm)

0.236 in (6 mm)

-40 °C (-40 °F)

Tin

5.8 MHz

Radial

160 mΩ

1

0.157 in (4 mm)

Ferrite

100 kHz

Cylindrical

10 %

Tray

0.413 in (10.5 mm)

e3

Cylindrical Package

Wire

100 μH

0.433 in (11 mm)

125 °C (257 °F)

1.98 A

6100-331K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.031 in (0.8 mm)

0.236 in (6 mm)

-40 °C (-40 °F)

Tin

2.9 MHz

Radial

600 mΩ

1

0.157 in (4 mm)

Ferrite

100 kHz

Cylindrical

10 %

Tray

0.413 in (10.5 mm)

e3

Cylindrical Package

Wire

330 μH

0.433 in (11 mm)

125 °C (257 °F)

1.1 A

RL262-103J-RC

Bourns

General Purpose Inductor

RF Choke

2

Radial

No

No

0.028 in (0.7 mm)

60

0.197 in (5 mm)

-55 °C (-67 °F)

Matte Tin

600 kHz

Radial

55 Ω

1

0.197 in (5 mm)

Ferrite

79.6 kHz

Cylindrical

5 %

Bulk

0.244 in (6.2 mm)

e3

Cylindrical Package

Wire

10 mH

0.315 in (8 mm)

105 °C (221 °F)

20 mA

RL262-222J-RC

Bourns

General Purpose Inductor

RF Choke

2

Radial

No

No

0.028 in (0.7 mm)

80

0.197 in (5 mm)

-55 °C (-67 °F)

Matte Tin

1.5 MHz

Radial

14 Ω

1

0.197 in (5 mm)

Ferrite

252 kHz

Cylindrical

5 %

Bulk

0.244 in (6.2 mm)

e3

Cylindrical Package

Wire

2.2 mH

0.315 in (8 mm)

105 °C (221 °F)

50 mA

SRP1040-2R2M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Copper/Tin

Dual Ended

8.6 mΩ

1

Iron

100 kHz

0.165 in (4.2 mm)

4239

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.421 in (10.7 mm)

e2

Rectangular Package

Wraparound

2.2 μH

0.394 in (10 mm)

150 °C (302 °F)

12 A

PM2110-470K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

22 mΩ

1

Iron

1 kHz

0.62 in (15.75 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

47 μH

1 in (25.4 mm)

105 °C (221 °F)

6.5 A

PM2110-560K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

24 mΩ

1

Iron

1 kHz

0.62 in (15.75 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

56 μH

1 in (25.4 mm)

105 °C (221 °F)

6.2 A

PM2110-151K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

49 mΩ

1

Iron

1 kHz

0.59 in (14.99 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

150 μH

1 in (25.4 mm)

105 °C (221 °F)

4.3 A

PM2110-181K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

66 mΩ

1

Iron

1 kHz

0.53 in (13.46 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

180 μH

1 in (25.4 mm)

105 °C (221 °F)

3.7 A

PM2110-331K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

90 mΩ

1

Iron

1 kHz

0.6 in (15.24 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

330 μH

1 in (25.4 mm)

105 °C (221 °F)

3.2 A

PM2110-561K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

146 mΩ

1

Iron

1 kHz

0.57 in (14.48 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

560 μH

1 in (25.4 mm)

105 °C (221 °F)

2.5 A

PM2110-102K-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Silver Copper

Dual Ended

244 mΩ

1

Iron

1 kHz

0.6 in (15.24 mm)

1210

Toroidal Core

10 %

Box

1.201 in (30.5 mm)

e1

Rectangular Package

Wraparound

1 mH

1 in (25.4 mm)

105 °C (221 °F)

1.9 A

2200HT-101H

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.034 in (0.864 mm)

0.9 in (22.86 mm)

-55 °C (-67 °F)

Radial

61 mΩ

1

1 kHz

2200HT

Horizontal Mounting

15 %

0.55 in (13.97 mm)

Cylindrical Package

2200HT

Wire

100 μH

0.95 in (24.13 mm)

200 °C (392 °F)

5.3 A

2300HT-100H

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.066 in (1.676 mm)

1.18 in (29.972 mm)

-55 °C (-67 °F)

Radial

6 mΩ

1

1 kHz

2300HT

Toroidal

15 %

0.65 in (16.51 mm)

Cylindrical Package

2300HT

Wire

10 μH

1.28 in (32.512 mm)

200 °C (392 °F)

23.3 A

2300HT-100V

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.066 in (1.676 mm)

0.56 in (14.224 mm)

-55 °C (-67 °F)

Radial

6 mΩ

1

1 kHz

2300HT

Toroidal

15 %

0.65 in (16.51 mm)

Cylindrical Package

2300HT

Wire

10 μH

1.28 in (32.512 mm)

200 °C (392 °F)

23.3 A

2300HT-101H

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.042 in (1.067 mm)

1.17 in (29.718 mm)

-55 °C (-67 °F)

Radial

41 mΩ

1

1 kHz

2300HT

Toroidal

15 %

0.65 in (16.51 mm)

Cylindrical Package

2300HT

Wire

100 μH

1.28 in (32.512 mm)

200 °C (392 °F)

8.3 A

2300HT-181H

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.042 in (1.067 mm)

1.17 in (29.718 mm)

-55 °C (-67 °F)

Radial

55 mΩ

1

1 kHz

2300HT

Toroidal

15 %

0.65 in (16.51 mm)

Cylindrical Package

2300HT

Wire

180 μH

1.28 in (32.512 mm)

200 °C (392 °F)

7.2 A

AIUR-15-221K

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

0.394 in (10 mm)

-40 °C (-40 °F)

Radial

160 mΩ

1

0.512 in (13 mm)

Ferrite

1 kHz

Cylindrical

10 %

Bulk

0.787 in (20 mm)

Cylindrical Package

Wire

220 μH

0.709 in (18 mm)

125 °C (257 °F)

2.3 A

AIUR-16822K

Abracon

General Purpose Inductor

Power Inductor

2

No

No

-40 °C (-40 °F)

Radial

20 Ω

1

Ferrite

10 kHz

10 %

Cylindrical Package

Wire

8.2 mH

125 °C (257 °F)

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.