Radial Fixed Inductors 154

Reset All
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

744772047

Wurth Elektronik

General Purpose Inductor

Filter Choke

2

Radial

No

No

0.028 in (0.7 mm)

0.197 in (5 mm)

-40 °C (-40 °F)

Tin over Copper

Radial

18 mΩ

1

0.197 in (5 mm)

Ferrite

1 kHz

0.374 in (9.5 mm)

3131

Unshielded

20 %

0.307 in (7.8 mm)

Cylindrical Package

Wire

4.7 μH

0.307 in (7.8 mm)

125 °C (257 °F)

4 A

19R333C

Murata Manufacturing

General Purpose Inductor

2

Radial

No

No

0.031 in (0.8 mm)

0.236 in (6 mm)

-40 °C (-40 °F)

Bright Tin

Radial

32 mΩ

1

1 kHz

0.827 in (21 mm)

Cylindrical

10 %

Bulk

0.472 in (12 mm)

e3

Cylindrical Package

Wire

33 μH

0.472 in (12 mm)

0.472 in (12 mm)

95 °C (203 °F)

3.7 A

19R476C

Murata Manufacturing

General Purpose Inductor

2

Radial

No

No

0.031 in (0.8 mm)

0.236 in (6 mm)

-40 °C (-40 °F)

Bright Tin

Radial

36 Ω

1

1 kHz

0.827 in (21 mm)

Cylindrical

10 %

Bulk

0.472 in (12 mm)

e3

Cylindrical Package

Wire

47 mH

0.472 in (12 mm)

0.472 in (12 mm)

95 °C (203 °F)

110 mA

Z-7E

Ohmite Manufacturing

General Purpose Inductor

RF Inductor

2

Radial

No

No

13 MHz

Radial

4.7 Ω

1

1 kHz

Z

Single Layer

10 %

6 in (152.4 mm)

Tubular Package

Z

Flat

84 μH

0.563 in (14.29 mm)

1 A

744772022

Wurth Elektronik

General Purpose Inductor

Filter Choke

2

Radial

No

No

0.024 in (0.6 mm)

0.197 in (5 mm)

-40 °C (-40 °F)

Tin over Copper

Radial

10 mΩ

1

0.197 in (5 mm)

Ferrite

1 kHz

0.374 in (9.5 mm)

3131

Unshielded

20 %

Tray

0.307 in (7.8 mm)

Cylindrical Package

Wire

2.2 μH

0.307 in (7.8 mm)

125 °C (257 °F)

6 A

ELC09D102F

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.024 in (0.6 mm)

0.197 in (5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

2.1 Ω

1

0.157 in (4 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

0.35 in (8.9 mm)

e2

Cylindrical Package

Wire

1 mH

0.374 in (9.5 mm)

105 °C (221 °F)

280 mA

ELC09D150F

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.024 in (0.6 mm)

0.197 in (5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

35 mΩ

1

0.157 in (4 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

20 %

0.35 in (8.9 mm)

e2

Cylindrical Package

Wire

15 μH

0.374 in (9.5 mm)

105 °C (221 °F)

2.1 A

ELC09D220F

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.024 in (0.6 mm)

0.197 in (5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

51 mΩ

1

0.157 in (4 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

0.35 in (8.9 mm)

e2

Cylindrical Package

Wire

22 μH

0.374 in (9.5 mm)

105 °C (221 °F)

1.8 A

ELC16B101L

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

0.295 in (7.5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

72 mΩ

1

0.177 in (4.5 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

0.906 in (23 mm)

e2

Cylindrical Package

Wire

100 μH

0.512 in (13 mm)

105 °C (221 °F)

2.6 A

ELC18B102L

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

0.295 in (7.5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

390 mΩ

1

0.197 in (5 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

1.063 in (27 mm)

e2

Cylindrical Package

Wire

1 mH

0.63 in (16 mm)

105 °C (221 °F)

1.1 A

ELC18B221L

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

0.295 in (7.5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

90 mΩ

1

0.197 in (5 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

1.063 in (27 mm)

e2

Cylindrical Package

Wire

220 μH

0.63 in (16 mm)

105 °C (221 °F)

2.4 A

ELC18B470L

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

0.295 in (7.5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

37 mΩ

1

0.197 in (5 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

1.063 in (27 mm)

e2

Cylindrical Package

Wire

47 μH

0.63 in (16 mm)

105 °C (221 °F)

4.3 A

AIUR-02H-330K

Abracon

General Purpose Inductor

DC-DC Converter

2

Radial

No

No

0.024 in (0.6 mm)

0.197 in (5 mm)

-40 °C (-40 °F)

Radial

80 mΩ

1

0.197 in (5 mm)

Ferrite

1 kHz

Cylindrical

10 %

0.472 in (12 mm)

Cylindrical Package

Wire

33 μH

0.354 in (9 mm)

125 °C (257 °F)

1.1 A

AIUR-02H-680K

Abracon

General Purpose Inductor

DC-DC Converter

2

Radial

No

No

0.024 in (0.6 mm)

0.197 in (5 mm)

-40 °C (-40 °F)

Radial

161 mΩ

1

0.197 in (5 mm)

Ferrite

1 kHz

Cylindrical

10 %

0.472 in (12 mm)

Cylindrical Package

Wire

68 μH

0.354 in (9 mm)

125 °C (257 °F)

810 mA

AIUR-06-182K

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.031 in (0.8 mm)

-40 °C (-40 °F)

Dual Ended

1.8 Ω

1

Ferrite

1 kHz

Radial

10 %

Tray

0.709 in (18 mm)

Cylindrical Package

Wire

1.8 mH

0.531 in (13.5 mm)

125 °C (257 °F)

460 mA

DC1390-334K

Api Delevan

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.051 in (1.2954 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin/Lead

Radial

74 mΩ

1

0.75 in (19.05 mm)

1 kHz

Cylindrical

10 %

Bulk

1.064 in (27.03 mm)

e0

Cylindrical Package

Wire

330 μH

1.48 in (37.6 mm)

125 °C (257 °F)

5.67 A

DC1390R-334K

Api Delevan

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.051 in (1.2954 mm)

1.15 in (29.21 mm)

-55 °C (-67 °F)

Tin/Copper (Sn99.3Cu0.7)

Radial

74 mΩ

1

0.75 in (19.05 mm)

1 kHz

Cylindrical

10 %

Bulk

1.064 in (27.03 mm)

e2

Cylindrical Package

Wire

330 μH

1.48 in (37.6 mm)

125 °C (257 °F)

5.67 A

ELC12D681E

Panasonic

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.031 in (0.8 mm)

0.295 in (7.5 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

460 mΩ

1

0.138 in (3.5 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

0.65 in (16.5 mm)

e2

Cylindrical Package

Wire

680 μH

0.472 in (12 mm)

105 °C (221 °F)

980 mA

TSL0808RA-102KR26-PF

TDK

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.024 in (0.62 mm)

30

0.197 in (5 mm)

-20 °C (-4 °F)

Tin

1.3 MHz

Radial

2.2 Ω

1

0.197 in (5 mm)

1 kHz

Q measured at 252 kHz

Non-Flammable

10 %

Ammo Pack

0.327 in (8.3 mm)

e3

Cylindrical Package

Wire

1 mH

0.335 in (8.5 mm)

85 °C (185 °F)

300 mA

P0846NL

Pulse Electronics

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.035 in (0.89 mm)

0.3 in (7.62 mm)

-40 °C (-40 °F)

Radial

23 mΩ

1

0.13 in (3.31 mm)

0.75 in (19.05 mm)

Simple Switcher

Toroidal

20 %

0.67 in (17.02 mm)

Rectangular Package

Wire

14.8 μH

0.46 in (11.69 mm)

130 °C (266 °F)

5 A

P0848NL

Pulse Electronics

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (0.99 mm)

0.45 in (11.44 mm)

-40 °C (-40 °F)

Radial

50 mΩ

1

0.13 in (3.31 mm)

1.35 in (34.29 mm)

Simple Switcher

Toroidal

20 %

0.95 in (24.13 mm)

Rectangular Package

Wire

50 μH

0.6 in (15.24 mm)

130 °C (266 °F)

5 A

PE-53932NL

Pulse Electronics

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.02 in (0.51 mm)

-40 °C (-40 °F)

Radial

100 mΩ

1

0.135 in (3.43 mm)

Amorphous Magnetic

0.365 in (9.27 mm)

6464

Simple Switcher

Toroidal

20 %

0.635 in (16.13 mm)

Rectangular Package

Wire

37 μH

0.635 in (16.13 mm)

130 °C (266 °F)

2.24 A

PE-53933NL

Pulse Electronics

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.02 in (0.51 mm)

-40 °C (-40 °F)

Radial

70 mΩ

1

0.135 in (3.43 mm)

Amorphous Magnetic

0.365 in (9.27 mm)

6464

Simple Switcher

Toroidal

20 %

0.635 in (16.13 mm)

Rectangular Package

Wire

24 μH

0.635 in (16.13 mm)

130 °C (266 °F)

2.74 A

PE-53935NL

Pulse Electronics

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.023 in (0.584 mm)

0.3 in (7.62 mm)

-40 °C (-40 °F)

Radial

230 mΩ

1

0.13 in (3.31 mm)

Amorphous Magnetic

0.95 in (24.13 mm)

8345

Simple Switcher

Toroidal

20 %

0.83 in (21.08 mm)

Rectangular Package

Wire

250 μH

0.45 in (11.43 mm)

130 °C (266 °F)

1.5 A

3HCR-100

Api Delevan

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.042 in (1.07 mm)

0.937 in (23.8 mm)

Tin/Copper (Sn99.3Cu0.7)

Radial

65 mΩ

1

1 in (25.4 mm)

Ferrite

1 kHz

Cylindrical

10 %

Bulk

1.125 in (28.58 mm)

e2

Cylindrical Package

Wire

100 μH

0.812 in (20.62 mm)

3 A

PTHF100R-50

Api Delevan

General Purpose Inductor

Power Inductor

2

Radial

Yes

No

0.025 in (0.63 mm)

0.25 in (6.35 mm)

Tin/Copper (Sn99.3Cu0.7)

4 MHz

Radial

55 mΩ

1

0.5 in (12.7 mm)

1 kHz

Toroidal

10 %

0.3 in (7.62 mm)

e2

Circular Package

Wire

100 μH

0.625 in (15.87 mm)

3.14 A

RLB0812-182KL

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.026 in (0.65 mm)

0.118 in (3 mm)

-40 °C (-40 °F)

Matte Tin

800 kHz

Radial

7 Ω

1

Ferrite

252 kHz

Tubular

10 %

Bulk

0.394 in (10 mm)

e3

Tubular Package

Wire

1.8 mH

0.264 in (6.7 mm)

125 °C (257 °F)

90 mA

RLB0912-681KL

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.026 in (0.65 mm)

0.197 in (5 mm)

-40 °C (-40 °F)

Matte Tin

2.3 MHz

Radial

2.3 Ω

1

Ferrite

1 kHz

Tubular

10 %

Bulk

0.394 in (10 mm)

e3

Tubular Package

Wire

680 μH

0.343 in (8.7 mm)

125 °C (257 °F)

500 mA

RLB0914-821KL

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.026 in (0.65 mm)

0.197 in (5 mm)

-40 °C (-40 °F)

Matte Tin

1.5 MHz

Radial

1.8 Ω

1

Ferrite

796 kHz

Tubular

10 %

Tray

0.472 in (12 mm)

e3

Tubular Package

Wire

820 μH

0.343 in (8.7 mm)

125 °C (257 °F)

460 mA

AIRD-06-102K

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.071 in (1.8 mm)

15

0.748 in (19 mm)

-40 °C (-40 °F)

Radial

818 mΩ

1

0.492 in (12.5 mm)

Ferrite

1 kHz

Cylindrical

10 %

Bulk

0.827 in (21 mm)

Cylindrical Package

Wire

1 mH

0.827 in (21 mm)

125 °C (257 °F)

1 A

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

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

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

ATCA-02-220M-V

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.037 in (0.95 mm)

0.472 in (12 mm)

-40 °C (-40 °F)

Radial

14 mΩ

1

Powdered Iron

0.866 in (22 mm)

Toroidal

20 %

Tray

0.866 in (22 mm)

Toroidal Package

Wire

22 μH

0.492 in (12.5 mm)

105 °C (221 °F)

5 A

ATCA-07-101M-V

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

0.709 in (18 mm)

-40 °C (-40 °F)

Radial

36 mΩ

1

Powdered Iron

1.417 in (36 mm)

Toroidal

20 %

Tray

1.417 in (36 mm)

Toroidal Package

Wire

100 μH

0.768 in (19.5 mm)

105 °C (221 °F)

5 A

ATCA-08-251M-V

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.063 in (1.6 mm)

0.787 in (20 mm)

-40 °C (-40 °F)

Radial

27 mΩ

1

Powdered Iron

1.673 in (42.5 mm)

Toroidal

20 %

Tray

1.673 in (42.5 mm)

Toroidal Package

Wire

250 μH

0.846 in (21.5 mm)

105 °C (221 °F)

10 A

ATCA-08-681M-H

Abracon

General Purpose Inductor

Power Inductor

2

Radial

No

No

0.039 in (1 mm)

1.614 in (41 mm)

-40 °C (-40 °F)

Radial

105 mΩ

1

Powdered Iron

0.846 in (21.5 mm)

Toroidal

20 %

Tray

1.673 in (42.5 mm)

Toroidal Package

Wire

680 μH

1.673 in (42.5 mm)

105 °C (221 °F)

5 A

RLB0913-4R7K

Bourns

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.026 in (0.65 mm)

20

0.197 in (5 mm)

-55 °C (-67 °F)

Tin Silver Copper

51 MHz

Radial

30 mΩ

1

0.197 in (5 mm)

Ferrite

7.96 MHz

Radial

10 %

Tray

0.492 in (12.5 mm)

e1

Cylindrical Package

Wire

4.7 μH

0.335 in (8.5 mm)

125 °C (257 °F)

4 A

760308101208

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.008 in (0.2 mm)

-20 °C (-4 °F)

26 MHz

Radial

500 mΩ

1

0.197 in (5 mm)

125 kHz

Wireless

10 %

Disk Package

Flexible Lead

13 μH

0.394 in (10 mm)

105 °C (221 °F)

800 mA

WR222230-26M8-G

TDK

General Purpose Inductor

2

Radial

No

-30 °C (-22 °F)

Radial

1.1 Ω

1

1.142 in (29 mm)

100 kHz

0.034 in (0.87 mm)

Circular

Circular Package

Wire

27 μH

0.866 in (22 mm)

70 °C (158 °F)

744750530047

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

Radial

Yes

No

0.043 in (1.1 mm)

0.472 in (12 mm)

-40 °C (-40 °F)

Radial

4.8 mΩ

1

0.197 in (5 mm)

100 kHz

Cylindrical

20 %

0.433 in (11 mm)

Cylindrical Package

Wire

4.7 μH

0.583 in (14.8 mm)

125 °C (257 °F)

11.8 A

744750530068

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

Radial

Yes

No

0.039 in (1 mm)

0.472 in (12 mm)

-40 °C (-40 °F)

Radial

6.5 mΩ

1

0.197 in (5 mm)

100 kHz

Cylindrical

20 %

0.433 in (11 mm)

Cylindrical Package

Wire

6.8 μH

0.583 in (14.8 mm)

125 °C (257 °F)

10.7 A

760308101208A

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.008 in (0.2 mm)

-20 °C (-4 °F)

24 MHz

Radial

650 mΩ

1

0.197 in (5 mm)

125 kHz

Inductance is measured at 10 mA

Wireless

10 %

Disk Package

Flexible Lead

18 μH

0.394 in (10 mm)

105 °C (221 °F)

700 mA

WR483265-15F5-G

TDK

General Purpose Inductor

2

Radial

No

No

-30 °C (-22 °F)

Radial

200 mΩ

1

100 kHz

0.049 in (1.25 mm)

Rectangular

1.898 in (48.2 mm)

Rectangular Package

Wire

13.3 μH

1.268 in (32.2 mm)

70 °C (158 °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.