No Fixed Inductors 1,024

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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

B82747S4183N021

TDK

General Purpose Inductor

Power Inductor

6

PCB Mount

No

No

0.079 in (2 mm)

-40 °C (-40 °F)

Tin

Radial

4.7 mΩ

3

0.138 in (3.5 mm)

Ferrite

10 kHz

Inductance is measured at 0.1 mA

Cylindrical

30 %

Bulk

1.299 in (33 mm)

e3

Cylindrical Package

Wire

1.8 mH

2.677 in (68 mm)

125 °C (257 °F)

18 A

PM3308-101M-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Tin/Nickel/Copper

Dual Ended

800 mΩ

1

Ferrite

100 kHz

0.118 in (3 mm)

5039

Rectangular

20 %

Tape and Reel, 13 in

0.5 in (12.7 mm)

e2

Rectangular Package

Wraparound

100 μH

0.394 in (10 mm)

125 °C (257 °F)

600 mA

PM3308-220M-RC

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Tin/Nickel/Copper

Dual Ended

230 mΩ

1

Ferrite

100 kHz

0.118 in (3 mm)

5039

Rectangular

20 %

Tape and Reel, 13 in

0.5 in (12.7 mm)

e2

Rectangular Package

Wraparound

22 μH

0.394 in (10 mm)

125 °C (257 °F)

1.3 A

RLB9012-121KL

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

No

0.026 in (0.65 mm)

0.197 in (5 mm)

-55 °C (-67 °F)

Tin

3.4 MHz

Dual Ended

320 mΩ

1

Ferrite

1 kHz

Cylindrical

10 %

Tray

0.48 in (12.2 mm)

e3

Cylindrical Package

Wire

120 μH

0.354 in (9 mm)

125 °C (257 °F)

1.25 A

RLB9012-220KL

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

No

0.026 in (0.65 mm)

0.197 in (5 mm)

-55 °C (-67 °F)

Tin

9.2 MHz

Dual Ended

70 mΩ

1

Ferrite

1 kHz

Cylindrical

10 %

Tray

0.48 in (12.2 mm)

e3

Cylindrical Package

Wire

22 μH

0.354 in (9 mm)

125 °C (257 °F)

2.4 A

RLB9012-472KL

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

No

0.026 in (0.65 mm)

0.197 in (5 mm)

-55 °C (-67 °F)

Tin

500 kHz

Dual Ended

13.6 Ω

1

Ferrite

1 kHz

Cylindrical

10 %

Tray

0.48 in (12.2 mm)

e3

Cylindrical Package

Wire

4.7 mH

0.354 in (9 mm)

125 °C (257 °F)

240 mA

5800-100-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

32 mΩ

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

10 μH

0.275 in (6.985 mm)

125 °C (257 °F)

2.1 A

5800-152-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

3.9 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

1.5 mH

0.275 in (6.985 mm)

125 °C (257 °F)

190 mA

5800-182-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

4.4 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

1.8 mH

0.275 in (6.985 mm)

125 °C (257 °F)

180 mA

5800-272-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

6.6 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

2.7 mH

0.275 in (6.985 mm)

125 °C (257 °F)

150 mA

5800-561-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

1.3 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

560 μH

0.275 in (6.985 mm)

125 °C (257 °F)

300 mA

6306-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.032 in (0.813 mm)

95

-55 °C (-67 °F)

710 kHz

Axial

31 Ω

1

1.5 in (38.1 mm)

Ferrite

79.6 kHz

Varnish Coating

5 %

0.875 in (22.225 mm)

Tubular Package

6300

Wire

10 mH

0.53 in (13.462 mm)

105 °C (221 °F)

100 mA

L04022R7BHNTR

KYOCERA AVX

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

15

Matte Tin with Nickel barrier

9500 MHz

Dual Ended

250 mΩ

1

450 MHz

0.014 in (0.35 mm)

0402

Rectangular

3.7037 %

Tape and Reel

0.039 in (1 mm)

e3

Rectangular Package

One Surface

2.7 nH

0.023 in (0.58 mm)

250 mA

1110-271K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.02 in (0.508 mm)

0.47 in (11.938 mm)

-55 °C (-67 °F)

Tin

Radial

300 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

270 μH

0.66 in (16.764 mm)

105 °C (221 °F)

1.6 A

1110-331K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.02 in (0.508 mm)

0.47 in (11.938 mm)

-55 °C (-67 °F)

Tin

Radial

336 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

330 μH

0.66 in (16.764 mm)

105 °C (221 °F)

1.3 A

1120-120K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.055 in (1.397 mm)

0.63 in (16.002 mm)

-55 °C (-67 °F)

Radial

9 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

Cylindrical Package

Wire

12 μH

0.81 in (20.574 mm)

105 °C (221 °F)

11.4 A

1120-180K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.047 in (1.1938 mm)

0.63 in (16.002 mm)

-55 °C (-67 °F)

Tin

Radial

18 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

18 μH

0.81 in (20.574 mm)

105 °C (221 °F)

7.2 A

1130-101K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.051 in (1.2954 mm)

0.79 in (20.066 mm)

-55 °C (-67 °F)

Tin

Radial

34 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

100 μH

1.1 in (27.94 mm)

105 °C (221 °F)

9 A

1130-220K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.064 in (1.6256 mm)

0.79 in (20.066 mm)

-55 °C (-67 °F)

Tin

Radial

11 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

22 μH

1.1 in (27.94 mm)

105 °C (221 °F)

13.5 A

1130-272K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.023 in (0.5842 mm)

0.75 in (19.05 mm)

-55 °C (-67 °F)

Tin

Radial

1.14 Ω

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

2.7 mH

1.1 in (27.94 mm)

105 °C (221 °F)

1.3 A

1130-332K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.02 in (0.508 mm)

0.75 in (19.05 mm)

-55 °C (-67 °F)

Tin

Radial

1.27 Ω

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

3.3 mH

1.1 in (27.94 mm)

105 °C (221 °F)

1.3 A

1130-471K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.036 in (0.9144 mm)

0.77 in (19.558 mm)

-55 °C (-67 °F)

Tin

Radial

187 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.84 in (21.336 mm)

e3

Cylindrical Package

Wire

470 μH

1.1 in (27.94 mm)

105 °C (221 °F)

4 A

1140-100K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.081 in (2.0574 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

5 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

10 μH

1.5 in (38.1 mm)

105 °C (221 °F)

21.8 A

1140-121K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.057 in (1.4478 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

28 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

120 μH

1.5 in (38.1 mm)

105 °C (221 °F)

9.9 A

1140-122K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.036 in (0.9144 mm)

1.14 in (28.956 mm)

-55 °C (-67 °F)

Tin Copper

Radial

232 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

1.2 mH

1.5 in (38.1 mm)

105 °C (221 °F)

3.4 A

1140-151K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.057 in (1.4478 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

40 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

150 μH

1.5 in (38.1 mm)

105 °C (221 °F)

8.3 A

1140-153K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.02 in (0.508 mm)

1.1 in (27.94 mm)

-55 °C (-67 °F)

Tin Copper

Radial

3.39 Ω

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

15 mH

1.5 in (38.1 mm)

105 °C (221 °F)

900 mA

1140-180K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.081 in (2.0574 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

8 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

18 μH

1.5 in (38.1 mm)

105 °C (221 °F)

17.2 A

1140-181K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.057 in (1.4478 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

45 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

180 μH

1.5 in (38.1 mm)

105 °C (221 °F)

7.8 A

1140-182K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.036 in (0.9144 mm)

1.14 in (28.956 mm)

-55 °C (-67 °F)

Tin Copper

Radial

360 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

1.8 mH

1.5 in (38.1 mm)

105 °C (221 °F)

2.8 A

1140-221K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.051 in (1.2954 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

50 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

220 μH

1.5 in (38.1 mm)

105 °C (221 °F)

7.4 A

1140-222K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.032 in (0.8128 mm)

1.1 in (27.94 mm)

-55 °C (-67 °F)

Tin Copper

Radial

494 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

2.2 mH

1.5 in (38.1 mm)

105 °C (221 °F)

2.4 A

1140-272K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.032 in (0.8128 mm)

1.12 in (28.448 mm)

-55 °C (-67 °F)

Tin Copper

Radial

555 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

2.7 mH

1.5 in (38.1 mm)

105 °C (221 °F)

2.2 A

1140-331K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.051 in (1.2954 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

74 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

330 μH

1.5 in (38.1 mm)

105 °C (221 °F)

6.1 A

1140-332K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.029 in (0.7366 mm)

1.1 in (27.94 mm)

-55 °C (-67 °F)

Tin Copper

Radial

773 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

3.3 mH

1.5 in (38.1 mm)

105 °C (221 °F)

1.9 A

1140-471K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.045 in (1.143 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin Copper

Radial

114 mΩ

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

470 μH

1.5 in (38.1 mm)

105 °C (221 °F)

4.9 A

1140-472K-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.029 in (0.7366 mm)

1.12 in (28.448 mm)

-55 °C (-67 °F)

Tin Copper

Radial

1.14 Ω

1

0.5 in (12.7 mm)

Ferrite

1 kHz

Bobbin Core

10 %

1.03 in (26.162 mm)

e2

Cylindrical Package

Wire

4.7 mH

1.5 in (38.1 mm)

105 °C (221 °F)

1.6 A

2000-1R2-H-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.059 in (1.4986 mm)

0.6 in (15.24 mm)

-55 °C (-67 °F)

Tin

Radial

2.2 mΩ

1

1 kHz

Horizontal Mounting

20 %

0.41 in (10.414 mm)

e3

Cylindrical Package

Wire

1.2 μH

0.68 in (17.272 mm)

105 °C (221 °F)

20.2 A

2000-5R6-H-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.042 in (1.0668 mm)

0.58 in (14.732 mm)

-55 °C (-67 °F)

Tin

Radial

8.4 mΩ

1

1 kHz

Horizontal Mounting

20 %

0.41 in (10.414 mm)

e3

Cylindrical Package

Wire

5.6 μH

0.68 in (17.272 mm)

105 °C (221 °F)

9.7 A

2300LL-100-H-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.066 in (1.6764 mm)

1.21 in (30.734 mm)

-55 °C (-67 °F)

Radial

4 mΩ

1

0.5 in (12.7 mm)

1 kHz

Horizontal Mounting

15 %

0.65 in (16.51 mm)

Cylindrical Package

Wire

10 μH

1.28 in (32.512 mm)

125 °C (257 °F)

20.8 A

2300LL-101-H-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.042 in (1.0668 mm)

1.16 in (29.464 mm)

-55 °C (-67 °F)

Radial

27 mΩ

1

0.5 in (12.7 mm)

1 kHz

Horizontal Mounting

15 %

0.65 in (16.51 mm)

Cylindrical Package

Wire

100 μH

1.28 in (32.512 mm)

125 °C (257 °F)

7.8 A

2300LL-181-H-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.042 in (1.0668 mm)

1.16 in (29.464 mm)

-55 °C (-67 °F)

Radial

37 mΩ

1

0.5 in (12.7 mm)

1 kHz

Horizontal Mounting

15 %

0.65 in (16.51 mm)

Cylindrical Package

Wire

180 μH

1.28 in (32.512 mm)

125 °C (257 °F)

6.7 A

2300LL-1R5-H-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.066 in (1.6764 mm)

1.21 in (30.734 mm)

-55 °C (-67 °F)

Radial

1 mΩ

1

0.5 in (12.7 mm)

1 kHz

Horizontal Mounting

20 %

0.65 in (16.51 mm)

Cylindrical Package

Wire

1.5 μH

1.28 in (32.512 mm)

125 °C (257 °F)

34 A

2309-V-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

No

No

0.053 in (1.3462 mm)

0.53 in (13.462 mm)

-55 °C (-67 °F)

Radial

16 mΩ

1

1 kHz

Vertical Mount

15 %

0.65 in (16.51 mm)

Cylindrical Package

Wire

47 μH

1.28 in (32.512 mm)

105 °C (221 °F)

10.7 A

5218-RC

Bourns

General Purpose Inductor

2

Axial

No

No

-55 °C (-67 °F)

Matte Tin

Axial

10 mΩ

1

1.161 in (29.5 mm)

Iron

7.96 MHz

Tubular

20 %

Bulk

1.25 in (31.75 mm)

e3

Tubular Package

Wire

3.35 μH

0.6 in (15.24 mm)

105 °C (221 °F)

20 A

5300-37-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.02 in (0.51 mm)

-55 °C (-67 °F)

Matte Tin

1 MHz

Axial

7.9 Ω

1

1 in (25.4 mm)

Ferrite

1 kHz

Conformal Coated

10 %

Bulk

0.5 in (12.7 mm)

e3

Tubular Package

Wire

1 mH

0.16 in (4.06 mm)

105 °C (221 °F)

160 mA

5509-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Radial

No

No

0.053 in (1.346 mm)

1 in (25.4 mm)

-55 °C (-67 °F)

Radial

12 mΩ

1

1 in (25.4 mm)

Ferrite

1 kHz

5500

Shrink Tube

20 %

1.12 in (28.448 mm)

Rectangular Package

5500

Wire

10 μH

0.64 in (16.256 mm)

105 °C (221 °F)

12 A

5900-470-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.031 in (0.7976 mm)

-40 °C (-40 °F)

6.5 MHz

Axial

45 mΩ

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.9 in (22.86 mm)

Tubular Package

Wire

47 μH

0.453 in (11.5062 mm)

125 °C (257 °F)

3.1 A

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.