Bourns Fixed Inductors 2,031

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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

5219

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.064 in (1.62 mm)

-55 °C (-67 °F)

Axial

16 mΩ

1

1.25 in (31.75 mm)

Iron

7.96 MHz

5200

Varnish Coating

20 %

1.25 in (31.75 mm)

Tubular Package

5200

Wire

4.9 μH

0.6 in (15.24 mm)

105 °C (221 °F)

15 A

5250-RC

Bourns

General Purpose Inductor

2

Axial

No

No

-55 °C (-67 °F)

Matte Tin

Axial

216 mΩ

1

1.25 in (31.75 mm)

Ferrite

1 kHz

Tubular

20 %

Bulk

1.25 in (31.75 mm)

e3

Tubular Package

Wire

100 μH

0.38 in (9.65 mm)

105 °C (221 °F)

2 A

5300-13-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.02 in (0.51 mm)

-55 °C (-67 °F)

Matte Tin

25 MHz

Axial

95 mΩ

1

1 in (25.4 mm)

Ferrite

1 kHz

Conformal Coated

10 %

Bulk

0.5 in (12.7 mm)

e3

Tubular Package

Wire

10 μH

0.16 in (4.06 mm)

105 °C (221 °F)

1.5 A

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

5720-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

Yes

No

0.012 in (0.3048 mm)

0.65 in (16.51 mm)

-55 °C (-67 °F)

Radial

2.64 Ω

1

0.5 in (12.7 mm)

1 kHz

Vertical Mount

15 %

1.812 in (46.0248 mm)

Cylindrical Package

Wire

4.5 mH

0.75 in (19.05 mm)

105 °C (221 °F)

1.25 A

5721-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Toroidal

Yes

No

0.062 in (1.5748 mm)

0.79 in (20.066 mm)

-55 °C (-67 °F)

Radial

41 mΩ

1

0.5 in (12.7 mm)

1 kHz

Vertical Mount

15 %

2.125 in (53.975 mm)

Cylindrical Package

Wire

250 μH

0.937 in (23.7998 mm)

105 °C (221 °F)

8 A

5800-101-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

210 mΩ

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

100 μH

0.275 in (6.985 mm)

125 °C (257 °F)

800 mA

5800-102-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

2.5 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

1 mH

0.275 in (6.985 mm)

125 °C (257 °F)

240 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

5800-391-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

860 mΩ

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

390 μH

0.275 in (6.985 mm)

125 °C (257 °F)

400 mA

5800-3R9-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

15 mΩ

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

3.9 μH

0.275 in (6.985 mm)

125 °C (257 °F)

3.1 A

5800-681-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.026 in (0.65024 mm)

-40 °C (-40 °F)

Axial

1.7 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.7 in (17.78 mm)

Tubular Package

Wire

680 μH

0.275 in (6.985 mm)

125 °C (257 °F)

300 mA

5900-472-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.031 in (0.7976 mm)

-40 °C (-40 °F)

400 kHz

Axial

3.7 Ω

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.9 in (22.86 mm)

Tubular Package

Wire

4.7 mH

0.453 in (11.5062 mm)

125 °C (257 °F)

340 mA

5900-681-RC

Bourns

General Purpose Inductor

High Current Inductor

2

Axial

No

No

0.031 in (0.7976 mm)

-40 °C (-40 °F)

1 MHz

Axial

515 mΩ

1

1.12 in (28.448 mm)

Ferrite

1 kHz

Bobbin Core

10 %

0.9 in (22.86 mm)

Tubular Package

Wire

680 μH

0.453 in (11.5062 mm)

125 °C (257 °F)

900 mA

6000-100K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.028 in (0.7 mm)

50

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

14 MHz

Radial

45 mΩ

1

0.394 in (10 mm)

Ferrite

1 kHz

Q is measured at 2.52 MHz

Bobbin Core

10 %

0.48 in (12.2 mm)

Cylindrical Package

Wire

10 μH

0.354 in (9 mm)

105 °C (221 °F)

3.4 A

6000-102K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.028 in (0.7 mm)

20

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

1.3 MHz

Radial

2.9 Ω

1

0.394 in (10 mm)

Ferrite

1 kHz

Q is measured at 0.252 MHz

Bobbin Core

10 %

0.48 in (12.2 mm)

Cylindrical Package

Wire

1 mH

0.354 in (9 mm)

105 °C (221 °F)

510 mA

6000-121K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.028 in (0.7 mm)

20

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

3.4 MHz

Radial

320 mΩ

1

0.394 in (10 mm)

Ferrite

1 kHz

Q is measured at 0.796 MHz

Bobbin Core

10 %

0.48 in (12.2 mm)

Cylindrical Package

Wire

120 μH

0.354 in (9 mm)

105 °C (221 °F)

1.25 A

6000-3R3M-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.028 in (0.7 mm)

20

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

79 MHz

Radial

25 mΩ

1

0.394 in (10 mm)

Ferrite

1 kHz

Q is measured at 7.96 MHz

Bobbin Core

20 %

0.48 in (12.2 mm)

Cylindrical Package

Wire

3.3 μH

0.354 in (9 mm)

105 °C (221 °F)

5.5 A

6000-470K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.028 in (0.7 mm)

30

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

6.5 MHz

Radial

160 mΩ

1

0.394 in (10 mm)

Ferrite

1 kHz

Q is measured at 2.52 MHz

Bobbin Core

10 %

0.48 in (12.2 mm)

Cylindrical Package

Wire

47 μH

0.354 in (9 mm)

105 °C (221 °F)

1.77 A

6000-4R7M-RC

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.028 in (0.7 mm)

20

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

51 MHz

Radial

30 mΩ

1

0.394 in (10 mm)

Ferrite

1 kHz

Q is measured at 7.96 MHz

Bobbin Core

20 %

0.48 in (12.2 mm)

Cylindrical Package

Wire

4.7 μH

0.354 in (9 mm)

105 °C (221 °F)

4.6 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

7009

Bourns

General Purpose Inductor

RF Inductor

2

Toroidal

No

No

0.05 in (1.27 mm)

0.8 in (20.32 mm)

-55 °C (-67 °F)

Radial

320 mΩ

1

0.2 in (5.08 mm)

Iron

1 kHz

1.25 in (31.75 mm)

7000

Dual Winding

15 %

1.125 in (28.575 mm)

Rectangular Package

7000

Wire

200 μH

0.6 in (15.24 mm)

105 °C (221 °F)

1.75 A

77F100K-TR-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Axial

No

No

0.025 in (0.64 mm)

85

-55 °C (-67 °F)

Tin Silver Copper

40 MHz

Axial

650 mΩ

1

1 in (25.4 mm)

Ferrite

7.96 MHz

Conformal Coated

10 %

Tape and Reel, 14 in

0.41 in (10.41 mm)

e1

Tubular Package

Wire

10 μH

0.157 in (3.99 mm)

105 °C (221 °F)

500 mA

77F271J-TR-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Axial

No

No

0.025 in (0.64 mm)

60

-55 °C (-67 °F)

Tin Silver Copper

2.6 MHz

Axial

6 Ω

1

1 in (25.4 mm)

Ferrite

796 kHz

Conformal Coated

5 %

Tape and Reel, 14 in

0.41 in (10.41 mm)

e1

Tubular Package

Wire

270 μH

0.157 in (3.99 mm)

105 °C (221 °F)

145 mA

77F4R7K-TR-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Axial

No

No

0.025 in (0.64 mm)

70

-55 °C (-67 °F)

Tin Silver Copper

80 MHz

Axial

400 mΩ

1

1 in (25.4 mm)

Ferrite

7.96 MHz

Conformal Coated

10 %

Tape and Reel, 14 in

0.41 in (10.41 mm)

e1

Tubular Package

Wire

4.7 μH

0.157 in (3.99 mm)

105 °C (221 °F)

620 mA

78F820J-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Axial

No

No

0.02 in (0.51 mm)

60

-55 °C (-67 °F)

Tin

6 MHz

Axial

3.6 Ω

1

1 in (25.4 mm)

Ferrite

2.5 MHz

Conformal Coated

5 %

Bulk

0.28 in (7.11 mm)

e3

Tubular Package

Wire

82 μH

0.11 in (2.79 mm)

105 °C (221 °F)

175 mA

8230-26-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Axial

No

No

0.02 in (0.51 mm)

30

-55 °C (-67 °F)

Tin Copper

125 MHz

Axial

300 mΩ

1

1 in (25.4 mm)

Ferrite

7.9 MHz

Tubular

10 %

Bulk

0.3 in (7.62 mm)

e2

Tubular Package

Wire

1.8 μH

0.12 in (3.05 mm)

105 °C (221 °F)

640 mA

8230-92-RC

Bourns

General Purpose Inductor

DC-DC Converter

2

Axial

No

No

0.02 in (0.51 mm)

30

-55 °C (-67 °F)

Tin Copper

3.4 MHz

Axial

72 Ω

1

1 in (25.4 mm)

Ferrite

790 kHz

Tubular

10 %

Bulk

0.3 in (7.62 mm)

e2

Tubular Package

Wire

1 mH

0.12 in (3.05 mm)

105 °C (221 °F)

38 mA

8250-100K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.02 in (0.51 mm)

46

-55 °C (-67 °F)

Tin

53 MHz

Axial

1.27 Ω

1

1 in (25.4 mm)

Ferrite

7.9 MHz

Tubular

10 %

Bulk

0.45 in (11.43 mm)

e3

Tubular Package

Wire

10 μH

0.164 in (4.17 mm)

105 °C (221 °F)

532 mA

8250-103K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.02 in (0.51 mm)

70

-55 °C (-67 °F)

Tin

1.3 MHz

Axial

93.1 Ω

1

1 in (25.4 mm)

Ferrite

250 kHz

Tubular

10 %

Bulk

0.45 in (11.43 mm)

e3

Tubular Package

Wire

10 mH

0.164 in (4.17 mm)

105 °C (221 °F)

50 mA

8250-123K-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.02 in (0.51 mm)

50

-55 °C (-67 °F)

Tin

880 kHz

Axial

84 Ω

1

1 in (25.4 mm)

Ferrite

79 kHz

Tubular

10 %

Bulk

0.45 in (11.43 mm)

e3

Tubular Package

Wire

12 mH

0.164 in (4.17 mm)

105 °C (221 °F)

53 mA

9230-28

Bourns

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.02 in (0.508 mm)

30

-55 °C (-67 °F)

115 MHz

Axial

400 mΩ

1

1 in (25.4 mm)

Iron

7.9 MHz

9230

Flame Retardant Coat

10 %

0.25 in (6.35 mm)

Tubular Package

9230

Wire

2.2 μH

0.095 in (2.413 mm)

105 °C (221 °F)

550 mA

9230-44-RC

Bourns

General Purpose Inductor

Filter Choke

2

Axial

No

No

0.02 in (0.51 mm)

55

-55 °C (-67 °F)

Matte Tin

50 MHz

Axial

3.7 Ω

1

1.15 in (29.21 mm)

Ferrite

7.9 MHz

Molded

10 %

Bulk

0.25 in (6.35 mm)

e3

Tubular Package

Wire

10 μH

0.095 in (2.41 mm)

125 °C (257 °F)

180 mA

9230-64-RC

Bourns

General Purpose Inductor

Filter Choke

2

Axial

No

No

0.02 in (0.51 mm)

50

-55 °C (-67 °F)

Matte Tin

15 MHz

Axial

6.7 Ω

1

1.15 in (29.21 mm)

Ferrite

2.5 MHz

Molded

10 %

Bulk

0.25 in (6.35 mm)

e3

Tubular Package

Wire

68 μH

0.095 in (2.41 mm)

125 °C (257 °F)

135 mA

9230-68

Bourns

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.02 in (0.508 mm)

50

-55 °C (-67 °F)

13 MHz

Axial

8 Ω

1

1 in (25.4 mm)

Ferrite

2.5 MHz

9230

Flame Retardant Coat

10 %

0.25 in (6.35 mm)

Tubular Package

9230

Wire

100 μH

0.095 in (2.413 mm)

105 °C (221 °F)

130 mA

9230-94-RC

Bourns

General Purpose Inductor

Filter Choke

2

Axial

No

No

0.02 in (0.51 mm)

40

-55 °C (-67 °F)

Matte Tin

690 MHz

Axial

70 mΩ

1

1.15 in (29.21 mm)

Phenolic

25 MHz

Molded

10 %

Bulk

0.25 in (6.35 mm)

e3

Tubular Package

Wire

100 nH

0.095 in (2.41 mm)

105 °C (221 °F)

1.1 A

9250A-103-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

50

-55 °C (-67 °F)

Matte Tin

46 MHz

Axial

1.62 Ω

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

10 μH

0.162 in (4.11 mm)

125 °C (257 °F)

220 mA

9250A-105-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

60

-55 °C (-67 °F)

Matte Tin

3.8 MHz

Axial

17.5 Ω

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

1 mH

0.162 in (4.11 mm)

125 °C (257 °F)

70 mA

9250A-123-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

55

-55 °C (-67 °F)

Matte Tin

44 MHz

Axial

2 Ω

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

12 μH

0.162 in (4.11 mm)

125 °C (257 °F)

200 mA

9250A-153-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

45

-55 °C (-67 °F)

Matte Tin

49 MHz

Axial

800 mΩ

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

15 μH

0.162 in (4.11 mm)

125 °C (257 °F)

315 mA

9250A-333-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

45

-55 °C (-67 °F)

Matte Tin

34 MHz

Axial

1.37 Ω

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

33 μH

0.162 in (4.11 mm)

125 °C (257 °F)

240 mA

9250A-393-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

50

-55 °C (-67 °F)

Matte Tin

29 MHz

Axial

1.93 Ω

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

39 μH

0.162 in (4.11 mm)

125 °C (257 °F)

205 mA

9250A-563-RC

Bourns

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

50

-55 °C (-67 °F)

Matte Tin

25 MHz

Axial

2.23 Ω

1

1 in (25.4 mm)

Ferrite

Tubular

10 %

Bulk

0.41 in (10.41 mm)

e3

Tubular Package

Wire

56 μH

0.162 in (4.11 mm)

125 °C (257 °F)

190 mA

CC322522A-120K

Bourns

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

15

-40 °C (-40 °F)

26 MHz

Dual Ended

1.1 Ω

1

Ferrite

2.52 MHz

0.087 in (2.2 mm)

1110

Chip

10 %

Tape and Reel, Embossed, 7 in

0.114 in (2.9 mm)

Rectangular Package

J Bend

12 μH

AEC-Q200

0.098 in (2.5 mm)

150 °C (302 °F)

500 mA

CC322522A-1R0K

Bourns

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

8

-40 °C (-40 °F)

100 MHz

Dual Ended

156 mΩ

1

Ferrite

7.96 MHz

0.087 in (2.2 mm)

1110

Chip

10 %

Tape and Reel, Embossed, 7 in

0.114 in (2.9 mm)

Rectangular Package

J Bend

1 μH

AEC-Q200

0.098 in (2.5 mm)

150 °C (302 °F)

1.45 A

CC322522A-470K

Bourns

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

20

-40 °C (-40 °F)

11 MHz

Dual Ended

4.8 Ω

1

Ferrite

2.52 MHz

0.087 in (2.2 mm)

1110

Chip

10 %

Tape and Reel, Embossed, 7 in

0.114 in (2.9 mm)

Rectangular Package

J Bend

47 μH

AEC-Q200

0.098 in (2.5 mm)

150 °C (302 °F)

270 mA

CC322522A-6R8K

Bourns

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

8

-40 °C (-40 °F)

35 MHz

Dual Ended

580 mΩ

1

Ferrite

7.96 MHz

0.087 in (2.2 mm)

1110

Chip

10 %

Tape and Reel, Embossed, 7 in

0.114 in (2.9 mm)

Rectangular Package

J Bend

6.8 μH

AEC-Q200

0.098 in (2.5 mm)

150 °C (302 °F)

700 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.