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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

B82144B1476J000

TDK

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.031 in (0.8 mm)

40

0.197 in (5 mm)

-55 °C (-67 °F)

Tin

260 kHz

Radial

230 Ω

1

Ferrite

10 kHz

Q is measured at 0.0796 MHz

Tubular

5 %

Tape and Reel, 14 in

0.362 in (9.2 mm)

e3

Tubular Package

Wire

47 mH

0.256 in (6.5 mm)

125 °C (257 °F)

30 mA

B82500C0000A008

TDK

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.031 in (0.8 mm)

-55 °C (-67 °F)

Tin

4.2 MHz

Axial

600 mΩ

1

Ferrite

100 kHz

Tubular

20 %

Bulk

1.26 in (32 mm)

e3

Tubular Package

Wire

330 μH

0.394 in (10 mm)

125 °C (257 °F)

1 A

B82615B2102M001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin Nickel

Dual In-Line

3 Ω

1

0.157 in (4 mm)

Powdered Iron

10 kHz

1.181 in (30 mm)

Inductance is measured at 0.1 mA

Rectangular

20 %

Tray

1.732 in (44 mm)

e2

Rectangular Package

Wire

20 mH

1.669 in (42.4 mm)

125 °C (257 °F)

1 A

B82720A2601N040

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.024 in (0.6 mm)

-40 °C (-40 °F)

Tin

Dual In-Line

400 mΩ

2

0.118 in (3 mm)

Ferrite

10 kHz

0.378 in (9.6 mm)

Rectangular

50 %

Bulk

0.559 in (14.2 mm)

e3

Rectangular Package

Wire

4.4 mH

0.559 in (14.2 mm)

125 °C (257 °F)

600 mA

B82720K2202N040

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin

Dual In-Line

65 mΩ

2

0.138 in (3.5 mm)

Ferrite

10 kHz

0.551 in (14 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Bulk

0.512 in (13 mm)

e3

Rectangular Package

Flat

1.1 mH

0.374 in (9.5 mm)

125 °C (257 °F)

2 A

B82721A2501N001

TDK

General Purpose Inductor

Power Inductor

4

No

No

0.028 in (0.7 mm)

-40 °C (-40 °F)

Tin Over Nickel

Dual In-Line

1.4 Ω

2

0.118 in (3 mm)

Ferrite

10 kHz

0.496 in (12.6 mm)

Inductance is measured at 0.1 mA DC Current

Rectangular

30 %

Tray

0.705 in (17.9 mm)

e3

Rectangular Package

Wire

18 mH

0.681 in (17.3 mm)

125 °C (257 °F)

500 mA

B82721K2202N001

TDK

General Purpose Inductor

Power Inductor

4

No

No

0.028 in (0.7 mm)

-40 °C (-40 °F)

Tin

Dual In-Line

80 mΩ

2

0.118 in (3 mm)

Ferrite

100 kHz

0.799 in (20.3 mm)

Inductance is measured at 0.1 mA DC Current

Rectangular

30 %

Tray

0.717 in (18.2 mm)

e3

Rectangular Package

Wire

1 mH

0.52 in (13.2 mm)

125 °C (257 °F)

2 A

B82723A2402N001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin

Dual In-Line

60 mΩ

2

0.157 in (4 mm)

Ferrite

10 kHz

0.661 in (16.8 mm)

Inductance is measured at 0.1 mA

Rectangular

30 %

Tray

1.102 in (28 mm)

e3

Rectangular Package

Flat

2.7 mH

1.063 in (27 mm)

125 °C (257 °F)

4 A

B82724A2501N001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.028 in (0.7 mm)

-40 °C (-40 °F)

Tin

Dual In-Line

2.3 Ω

2

0.157 in (4 mm)

Ferrite

10 kHz

0.776 in (19.7 mm)

Rectangular

30 %

Tray

1.303 in (33.1 mm)

e3

Rectangular Package

Wire

82 mH

1.283 in (32.6 mm)

125 °C (257 °F)

500 mA

B82724B2602N001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.028 in (0.7 mm)

-40 °C (-40 °F)

Tin Over Nickel

Dual In-Line

23 mΩ

2

0.157 in (4 mm)

Ferrite

10 kHz

0.984 in (25 mm)

Inductance is measured at 0.1 mA

Rectangular

30 %

Tray

1.323 in (33.6 mm)

e3

Rectangular Package

Wire

1.8 mH

1.283 in (32.6 mm)

125 °C (257 °F)

6 A

B82724J2142N001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.028 in (0.7 mm)

-40 °C (-40 °F)

Tin

Dual In-Line

460 mΩ

2

0.157 in (4 mm)

Ferrite

10 kHz

1.307 in (33.2 mm)

Rectangular

30 %

Tray

1.232 in (31.3 mm)

e3

Rectangular Package

Wire

27 mH

0.728 in (18.5 mm)

125 °C (257 °F)

1.4 A

B82725A2802N001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin

Dual In-Line

22 mΩ

2

0.157 in (4 mm)

Ferrite

10 kHz

0.984 in (25 mm)

Inductance is measured at 0.1 mA

Rectangular

30 %

Tray

1.732 in (44 mm)

e3

Rectangular Package

Flat

2.7 mH

1.669 in (42.4 mm)

125 °C (257 °F)

8 A

B82725J2402N020

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.039 in (1 mm)

-40 °C (-40 °F)

Tin

Dual In-Line

75 mΩ

2

0.118 in (3 mm)

Ferrite

10 kHz

1.575 in (40 mm)

Rectangular

30 %

Tray

1.591 in (40.4 mm)

e3

Rectangular Package

Wire

6.8 mH

0.846 in (21.5 mm)

125 °C (257 °F)

4 A

B82734R2322B030

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin Over Nickel

Radial

85 mΩ

2

0.118 in (3 mm)

Ferrite

10 kHz

1.22 in (31 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Tray

1.28 in (32.5 mm)

e3

Rectangular Package

Flat

6.8 mH

0.827 in (21 mm)

125 °C (257 °F)

3.2 A

B82734W2462B030

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin Over Nickel

Radial

46 mΩ

2

0.118 in (3 mm)

Ferrite

10 kHz

0.854 in (21.7 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Tray

1.28 in (32.5 mm)

e3

Rectangular Package

Flat

3.3 mH

1.22 in (31 mm)

125 °C (257 °F)

4.6 A

B82791H2701N001

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

0.024 in (0.6 mm)

-40 °C (-40 °F)

Tin Over Nickel

Dual In-Line

440 mΩ

2

0.11 in (2.8 mm)

Ferrite

10 kHz

0.693 in (17.6 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Bulk

0.602 in (15.3 mm)

e3

Rectangular Package

Wire

4.7 mH

0.291 in (7.4 mm)

125 °C (257 °F)

700 mA

8451

Api Technologies

General Purpose Inductor

2

PCB Mount

No

No

Radial

800 mΩ

1

Ferrite

0.354 in (9 mm)

Rectangular

0.354 in (9 mm)

Rectangular Package

Wire

1 μH

0.146 in (3.7 mm)

500 mA

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

AIUR-11-122K

Abracon

General Purpose Inductor

Power Inductor

2

No

No

-40 °C (-40 °F)

Radial

2.4 Ω

1

Ferrite

10 kHz

10 %

Cylindrical Package

Wire

1.2 mH

125 °C (257 °F)

AIUR-10-103K

Abracon

General Purpose Inductor

Power Inductor

2

No

No

-40 °C (-40 °F)

Radial

25 Ω

1

Ferrite

1 kHz

10 %

Cylindrical Package

Wire

10 mH

125 °C (257 °F)

B82731T2132A020

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin Over Nickel

Dual In-Line

370 mΩ

2

0.138 in (3.5 mm)

Ferrite

10 kHz

0.831 in (21.1 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Tray

0.846 in (21.5 mm)

e3

Rectangular Package

Flat

6.8 mH

0.531 in (13.5 mm)

125 °C (257 °F)

1.3 A

B82731T2801A020

TDK

General Purpose Inductor

Power Inductor

4

PCB Mount

No

No

-40 °C (-40 °F)

Tin Over Nickel

Dual In-Line

950 mΩ

2

0.138 in (3.5 mm)

Ferrite

10 kHz

0.831 in (21.1 mm)

Inductance is measured at 0.1 mA

Rectangular

50 %

Tray

0.846 in (21.5 mm)

e3

Rectangular Package

Flat

15 mH

0.531 in (13.5 mm)

125 °C (257 °F)

800 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

ELC15E101L

Panasonic

General Purpose Inductor

Power Inductor

3

PCB Mount

Yes

No

0.028 in (0.7 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

53 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

0.63 in (16 mm)

105 °C (221 °F)

3 A

ELC18E101L

Panasonic

General Purpose Inductor

Power Inductor

4

PCB Mount

Yes

No

0.031 in (0.8 mm)

-20 °C (-4 °F)

Tin/Copper

Radial

44 mΩ

1

0.138 in (3.5 mm)

Ferrite

10 kHz

DC Resistance is measured at 20% Tolerance

Cylindrical

10 %

0.984 in (25 mm)

e2

Cylindrical Package

Wire

100 μH

0.748 in (19 mm)

105 °C (221 °F)

3 A

4590R-107K

Api Delevan

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.032 in (0.813 mm)

-55 °C (-67 °F)

Tin/Copper (Sn99.3Cu0.7)

Axial

76 Ω

1

1.1 in (27.94 mm)

Ferrite

1 kHz

Rectangular

10 %

Bulk

0.9 in (22.86 mm)

e2

Rectangular Package

Wire

100 mH

0.455 in (11.55 mm)

125 °C (257 °F)

90 mA

4590R-334K

Api Delevan

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.032 in (0.813 mm)

-55 °C (-67 °F)

Tin/Copper (Sn99.3Cu0.7)

Axial

257 mΩ

1

1.1 in (27.94 mm)

Ferrite

1 kHz

Rectangular

10 %

Bulk

0.9 in (22.86 mm)

e2

Rectangular Package

Wire

330 μH

0.455 in (11.55 mm)

125 °C (257 °F)

1.61 A

1537R-46J

Api Delevan

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.025 in (0.635 mm)

60

-55 °C (-67 °F)

Tin/Copper

26 MHz

Axial

2.5 Ω

1

1.44 in (36.58 mm)

Iron

Tubular

5 %

Tape and Reel, 14 in

0.375 in (9.53 mm)

e2

Tubular Package

Wire

24 μH

0.156 in (3.96 mm)

105 °C (221 °F)

202 mA

1641R-332K

Api Delevan

General Purpose Inductor

RF Inductor

2

Axial

Yes

No

0.025 in (0.635 mm)

44

-55 °C (-67 °F)

Tin

85 MHz

Axial

350 mΩ

1

1.44 in (36.58 mm)

Iron

7.9 MHz

Tubular

10 %

Tape and Reel, 14 in

0.41 in (10.41 mm)

e3

Tubular Package

Wire

3.3 μH

0.162 in (4.11 mm)

105 °C (221 °F)

490 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

LPA1020-100KL

Bourns

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.026 in (0.65 mm)

-40 °C (-40 °F)

Tin Copper

Axial

50 mΩ

2

0.984 in (25 mm)

Ferrite

1 kHz

Axial

10 %

0.787 in (20 mm)

e2

Tubular Package

Wire

10 μH

0.394 in (10 mm)

85 °C (185 °F)

3.5 A

LPA1020-500KL

Bourns

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.026 in (0.65 mm)

-40 °C (-40 °F)

Tin Copper

Axial

120 mΩ

2

0.984 in (25 mm)

Ferrite

1 kHz

Axial

10 %

0.787 in (20 mm)

e2

Tubular Package

Wire

50 μH

0.394 in (10 mm)

85 °C (185 °F)

2 A

LPA1226-500KL

Bourns

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.031 in (0.8 mm)

-40 °C (-40 °F)

Tin Copper

Axial

80 mΩ

2

0.984 in (25 mm)

Ferrite

1 kHz

Axial

10 %

1.024 in (26 mm)

e2

Tubular Package

Wire

50 μH

0.472 in (12 mm)

85 °C (185 °F)

3 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

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.