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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

744776268

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Tin Copper

2.7 MHz

Dual Ended

2.25 Ω

1

Nickel-Zinc

10 kHz

0.213 in (5.4 mm)

3935

Rectangular

10 %

Tape and Reel, Embossed Plastic, 13 in

0.394 in (10 mm)

e2

Rectangular Package

One Surface

680 μH

0.354 in (9 mm)

125 °C (257 °F)

360 mA

744776333

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

900 kHz

Dual Ended

7 Ω

1

1 kHz

0.256 in (6.5 mm)

4035

Rectangular

10 %

Tape and Reel, Embossed Plastic, 13 in

0.402 in (10.2 mm)

Rectangular Package

One Surface

3 mH

0.354 in (9 mm)

125 °C (257 °F)

350 mA

74479032

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

25

-55 °C (-67 °F)

140 MHz

Dual Ended

600 mΩ

1

25 MHz

0.049 in (1.25 mm)

0805

Rectangular

10 %

Tape and Reel, Embossed Plastic, 7 in

0.079 in (2 mm)

Rectangular Package

Wraparound

470 nH

0.049 in (1.25 mm)

125 °C (257 °F)

550 mA

74479184

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

35

-55 °C (-67 °F)

13 MHz

Dual Ended

900 mΩ

1

1 MHz

0.043 in (1.1 mm)

1206

Rectangular

10 %

Tape and Reel, Embossed Plastic, 7 in

0.126 in (3.2 mm)

Rectangular Package

Wraparound

33 μH

0.063 in (1.6 mm)

125 °C (257 °F)

385 mA

74479876210C

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

15

-40 °C (-40 °F)

70 MHz

Dual Ended

93.75 mΩ

1

1 MHz

0.039 in (1 mm)

0806

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.079 in (2 mm)

Rectangular Package

Wraparound

1 μH

0.063 in (1.6 mm)

125 °C (257 °F)

1.8 A

744851101

Wurth Elektronik

General Purpose Inductor

Power Inductor

4

No

Yes

-40 °C (-40 °F)

17 MHz

Dual In-Line

22 mΩ

2

100 kHz

9359

10 %

Rectangular Package

One Surface

10 μH

125 °C (257 °F)

5.3 A

744912156

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

100

-40 °C (-40 °F)

1500 MHz

Dual Ended

6.2 mΩ

1

Air

150 MHz

0.165 in (4.2 mm)

1915

Rectangular

5 %

Tape and Reel, Embossed Plastic, 13 in

0.19 in (4.83 mm)

Rectangular Package

Wire

56 nH

AEC-Q200

0.15 in (3.81 mm)

125 °C (257 °F)

3 A

744912210

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

100

-40 °C (-40 °F)

1200 MHz

Dual Ended

12.3 mΩ

1

Air

150 MHz

0.165 in (4.2 mm)

1915

Rectangular

5 %

Tape and Reel, Embossed Plastic, 13 in

0.19 in (4.83 mm)

Rectangular Package

Wire

100 nH

AEC-Q200

0.15 in (3.81 mm)

125 °C (257 °F)

1.7 A

760308101214

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

PCB Mount

No

No

-20 °C (-4 °F)

11 MHz

Radial

520 mΩ

1

125 kHz

Circular

10 %

0.031 in (0.8 mm)

Circular Package

Flexible Lead

26 μH

0.748 in (19 mm)

105 °C (221 °F)

1.1 A

760308103203

Wurth Elektronik

General Purpose Inductor

RF Inductor

2

PCB Mount

No

No

0.02 in (0.51 mm)

-20 °C (-4 °F)

11 MHz

Radial

360 mΩ

1

125 kHz

0.031 in (0.8 mm)

Inductance is measured at 10 mA DC Current

Rectangular

10 %

1.89 in (48 mm)

Rectangular Package

Flexible Lead

12 μH

1.26 in (32 mm)

105 °C (221 °F)

1.8 A

760804111

Wurth Elektronik

General Purpose Inductor

11

PCB Mount

No

No

0.031 in (0.8 mm)

-40 °C (-40 °F)

Dual In-Line

350 mΩ

2

0.138 in (3.5 mm)

100 kHz

0.551 in (14 mm)

Rectangular

10 %

1.22 in (31 mm)

Rectangular Package

Wire

250 μH

1.181 in (30 mm)

125 °C (257 °F)

1.1 A

768775312

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

2.1 MHz

Dual Ended

4.5 Ω

1

Ferrite

100 kHz

0.193 in (4.9 mm)

2831

Rectangular

10 %

Tape and Reel, Embossed Plastic, 13 in

0.307 in (7.8 mm)

Rectangular Package

One Surface

1.2 mH

0.276 in (7 mm)

85 °C (185 °F)

280 mA

822LY-102K

Toko

General Purpose Inductor

DC-DC Converter

2

No

No

1.3 MHz

Radial

2.96 Ω

1

1 kHz

10 %

Cylindrical Package

Wire

1 mH

160 mA

82683C

Murata Manufacturing

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

40

-40 °C (-40 °F)

Tin

15 MHz

Dual Ended

2.55 Ω

1

10 kHz

0.079 in (2 mm)

1210

Q is measured at 1 MHz

Rectangular

10 %

Tape and Reel, Embossed, 13 in

0.098 in (2.5 mm)

e3

Rectangular Package

Wraparound

68 μH

0.126 in (3.2 mm)

85 °C (185 °F)

200 mA

90-23

Coilcraft

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.02 in (0.511 mm)

40

-40 °C (-40 °F)

Tin/Copper

40 MHz

Axial

900 mΩ

1

1.11 in (28.19 mm)

Ferrite

7.9 MHz

90

Epoxy Encapsulated

10 %

Ammo Pack; Bulk; Tape and Reel

0.3 in (7.62 mm)

e2

Tubular Package

90

Wire

6.8 μH

0.118 in (2.997 mm)

105 °C (221 °F)

185 mA

9565R-1.5

Api Delevan

General Purpose Inductor

DC-DC Converter

4

No

No

-55 °C (-67 °F)

Tin

Radial

60 mΩ

1

Ferrite

9565R

RoHS Compliant

e3

Rectangular Package

Wire

22 μH

125 °C (257 °F)

1.5 A

A02TGLC

Coilcraft

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

140

-40 °C (-40 °F)

Tin/Silver (Sn96.5Ag3.5)

6500 MHz

Dual Ended

1.8 mΩ

1

Air

150 MHz

0.124 in (3.15 mm)

1618

Rectangular

2 %

Tape and Reel, Embossed Plastic, 7 in

0.155 in (3.94 mm)

e2

Rectangular Package

Wraparound

5 nH

AEC-Q200

0.175 in (4.45 mm)

125 °C (257 °F)

4 A

A03TGLC

Coilcraft

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

140

-40 °C (-40 °F)

Tin/Silver (Sn96.5Ag3.5)

5000 MHz

Dual Ended

2.6 mΩ

1

Air

150 MHz

0.124 in (3.15 mm)

1618

Rectangular

2 %

Tape and Reel, Embossed Plastic, 7 in

0.155 in (3.94 mm)

e2

Rectangular Package

Wraparound

8 nH

AEC-Q200

0.175 in (4.45 mm)

125 °C (257 °F)

4 A

AIAP-01-8R2K-T

Abracon

General Purpose Inductor

Power Inductor

2

Axial

No

No

0.02 in (0.51 mm)

-40 °C (-40 °F)

32 MHz

Axial

87 mΩ

1

1.15 in (29.2 mm)

7.9 MHz

Epoxy Coating

10 %

Tape and Reel

0.36 in (9.14 mm)

Tubular Package

Wire

8.2 μH

0.13 in (3.3 mm)

105 °C (221 °F)

1.5 A

AIMC-0402-5N6S-T

Abracon

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

9

-55 °C (-67 °F)

Matte Tin with Nickel barrier

5000 MHz

Dual Ended

230 mΩ

1

Ceramic

100 MHz

0.02 in (0.5 mm)

0402

Inductance Tolerance is 0.3 nH

Multi-Layer

5.358 %

Tape and Reel

0.039 in (1 mm)

e3

Rectangular Package

Wraparound

5.6 nH

0.02 in (0.5 mm)

125 °C (257 °F)

300 mA

AISC-0402HP-10NJ-T

Abracon

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

25

-40 °C (-40 °F)

Gold - with Nickel barrier

4700 MHz

Dual Ended

85 mΩ

1

Ceramic

250 MHz

0.02 in (0.5 mm)

0402

Rectangular

5 %

Tape and Reel, 7 in

0.039 in (1 mm)

e4

Rectangular Package

One Surface

10 nH

0.022 in (0.55 mm)

125 °C (257 °F)

1.3 A

AISC-0402HP-3N3J-T

Abracon

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

23

-40 °C (-40 °F)

Gold - with Nickel barrier

8500 MHz

Dual Ended

45 mΩ

1

Ceramic

250 MHz

0.02 in (0.5 mm)

0402

Rectangular

5 %

Tape and Reel, 7 in

0.039 in (1 mm)

e4

Rectangular Package

One Surface

3.3 nH

0.022 in (0.55 mm)

125 °C (257 °F)

1.7 A

AISC-0603-R0051J-T

Abracon

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

21

-40 °C (-40 °F)

Gold - with Nickel barrier

6000 MHz

Dual Ended

130 mΩ

1

Ceramic

250 MHz

0.04 in (1.02 mm)

0603

Rectangular

5 %

Tape and Reel, Embossed, 7 in

0.071 in (1.8 mm)

e4

Rectangular Package

Wraparound

5.1 nH

0.044 in (1.12 mm)

125 °C (257 °F)

600 mA

AISC-0805-1R0J-T

Abracon

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

20

-40 °C (-40 °F)

Gold Over Nickel

63 MHz

Dual Ended

1.2 Ω

1

Ceramic

7.9 MHz

0.061 in (1.55 mm)

0805

Q measured at 50 MHz

Chip

5 %

Tape and Reel

0.09 in (2.29 mm)

e4

Rectangular Package

Wraparound

1 μH

0.068 in (1.73 mm)

125 °C (257 °F)

245 mA

AIUR-02H-221K

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

340 mΩ

1

0.197 in (5 mm)

Ferrite

1 kHz

Cylindrical

10 %

0.472 in (12 mm)

Cylindrical Package

Wire

220 μH

0.354 in (9 mm)

125 °C (257 °F)

500 mA

AIUR-15-102K

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

710 mΩ

1

0.512 in (13 mm)

Ferrite

1 kHz

Cylindrical

10 %

Bulk

0.787 in (20 mm)

Cylindrical Package

Wire

1 mH

0.709 in (18 mm)

125 °C (257 °F)

1 A

AWCCA-50N50H30-C21-B

Abracon

General Purpose Inductor

RF Coil

2

Chassis Mount

No

No

-25 °C (-13 °F)

Radial

38 mΩ

1

100 kHz

0.118 in (3 mm)

DC Resistance is measured at 20% Tolerance

Rectangular

10 %

Bulk

1.969 in (50 mm)

Rectangular Package

Flexible Lead

6.3 μH

1.969 in (50 mm)

85 °C (185 °F)

B78108-S1185-J

TDK

General Purpose Inductor

RF Inductor

2

No

No

50

-55 °C (-67 °F)

Tin

1.2 MHz

Axial

26 Ω

1

Ferrite

B78108S

Q is measured at 0.252 MHz

5 %

e3

Tubular Package

Wire

1.8 mH

125 °C (257 °F)

95 mA

B78108S1184J000

TDK

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.031 in (0.8 mm)

70

-55 °C (-67 °F)

Tin with Nickel barrier

3.9 MHz

Axial

3 Ω

1

Ferrite

100 kHz

Q Factor is measured at 0.796 MHz

Tubular

5 %

Tape and Reel, 14 in

0.362 in (9.2 mm)

e3

Tubular Package

Wire

180 μH

0.157 in (4 mm)

125 °C (257 °F)

270 mA

B78108S1185J009

TDK

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.031 in (0.8 mm)

50

-55 °C (-67 °F)

Tin Over Nickel

1.2 MHz

Axial

26 Ω

1

Ferrite

100 kHz

Q Factor is measured at 0.252 MHz

Tubular

5 %

Ammo Pack

0.362 in (9.2 mm)

e3

Tubular Package

Wire

1.8 mH

0.157 in (4 mm)

125 °C (257 °F)

95 mA

B78108S1333K000

TDK

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.031 in (0.8 mm)

55

-55 °C (-67 °F)

Tin with Nickel barrier

9 MHz

Axial

920 mΩ

1

Ferrite

100 kHz

Q Factor is measured at 2.52 MHz

Tubular

10 %

Tape and Reel, 14 in

0.362 in (9.2 mm)

e3

Tubular Package

Wire

33 μH

0.157 in (4 mm)

125 °C (257 °F)

500 mA

B82145A1684J000

TDK

General Purpose Inductor

RF Inductor

2

Axial

No

No

0.031 in (0.8 mm)

20

-55 °C (-67 °F)

Tin

1.5 MHz

Axial

2.5 Ω

1

Ferrite

100 kHz

Flame Proof, Q Factor is measured at 0.796 MHz, Inductance is measured at 1 mA

Tubular

5 %

Tape and Reel, 14 in

0.472 in (12 mm)

e3

Tubular Package

Wire

680 μH

0.256 in (6.5 mm)

125 °C (257 °F)

440 mA

B82432-C1105-K

TDK

General Purpose Inductor

RF Inductor

2

No

Yes

30

-55 °C (-67 °F)

Tin Silver Copper

2.8 MHz

Dual Ended

32 Ω

1

Ferrite

796 kHz

B82432C

Q is measured at 0.796 MHz

10 %

e1

Rectangular Package

J Bend

1 mH

150 °C (302 °F)

55 mA

B82432A1102K000

TDK

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

25

-55 °C (-67 °F)

Copper Silver

260 MHz

Dual Ended

280 mΩ

1

Ferrite

1 MHz

0.126 in (3.2 mm)

1812

Q measured at 7.96 MHz

Flame Retardant

10 %

Tape and Reel

0.177 in (4.5 mm)

e4

Rectangular Package

Wraparound

1 μH

0.126 in (3.2 mm)

125 °C (257 °F)

600 mA

B82432A1105K000

TDK

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

30

-55 °C (-67 °F)

Copper Silver

2.3 MHz

Dual Ended

32 Ω

1

Ferrite

1 MHz

0.126 in (3.2 mm)

1812

Q is measured at 0.796 MHz

Flame Retardant

10 %

Tape and Reel

0.177 in (4.5 mm)

e4

Rectangular Package

Wraparound

1 mH

0.126 in (3.2 mm)

125 °C (257 °F)

55 mA

B82432C1102K000

TDK

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

40

-55 °C (-67 °F)

Tin Silver Copper

200 MHz

Dual Ended

280 mΩ

1

Ferrite

1 MHz

0.126 in (3.2 mm)

1812

Q Factor is measured at 7.96 MHz

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.177 in (4.5 mm)

e1

Rectangular Package

J Bend

1 μH

AEC-Q200

0.126 in (3.2 mm)

150 °C (302 °F)

600 mA

B82432C1105K000

TDK

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

30

-55 °C (-67 °F)

Tin Silver Copper

2.8 MHz

Dual Ended

32 Ω

1

Ferrite

100 kHz

0.126 in (3.2 mm)

1812

Q Factor is measured at 0.796 MHz

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.177 in (4.5 mm)

e1

Rectangular Package

J Bend

1 mH

AEC-Q200

0.126 in (3.2 mm)

150 °C (302 °F)

55 mA

B82432T1224K000

TDK

General Purpose Inductor

DC-DC Converter

2

SMT

No

Yes

20

-55 °C (-67 °F)

Tin Silver Copper

4.5 MHz

Dual Ended

7.5 Ω

1

Ferrite

796 kHz

0.126 in (3.2 mm)

1812

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.177 in (4.5 mm)

e1

Rectangular Package

J Bend

220 μH

AEC-Q200

0.126 in (3.2 mm)

150 °C (302 °F)

130 mA

B82442-A1105-K

TDK

General Purpose Inductor

RF Inductor

2

No

Yes

30

-55 °C (-67 °F)

Tin/Silver/Copper

1.1 MHz

Dual Ended

44 Ω

1

Ferrite

252 kHz

2220

B82442A

Q is measured at 0.252 MHz

10 %

e1

Rectangular Package

Wraparound

1 mH

150 °C (302 °F)

45 mA

B82442A1105K000

TDK

General Purpose Inductor

DC-DC Converter

2

SMT

No

Yes

30

-55 °C (-67 °F)

Tin Silver Copper

1.8 MHz

Dual Ended

12 Ω

1

Ferrite

252 kHz

0.197 in (5 mm)

2220

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.22 in (5.6 mm)

e1

Rectangular Package

J Bend

1 mH

AEC-Q200

0.197 in (5 mm)

150 °C (302 °F)

85 mA

B82442A1472K000

TDK

General Purpose Inductor

DC-DC Converter

2

SMT

No

Yes

10

-55 °C (-67 °F)

Tin/Silver/Copper

29 MHz

Dual Ended

88 mΩ

1

Ferrite

7.96 MHz

0.197 in (5 mm)

2220

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.22 in (5.6 mm)

e1

Rectangular Package

J Bend

4.7 μH

AEC-Q200

0.197 in (5 mm)

150 °C (302 °F)

950 mA

B82442A1475K000

TDK

General Purpose Inductor

DC-DC Converter

2

SMT

No

Yes

30

-55 °C (-67 °F)

Tin Silver Copper

900 kHz

Dual Ended

62.4 Ω

1

Ferrite

252 kHz

0.197 in (5 mm)

2220

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.22 in (5.6 mm)

e1

Rectangular Package

J Bend

4.7 mH

AEC-Q200

0.197 in (5 mm)

150 °C (302 °F)

36 mA

B82442H1104K000

TDK

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

20

-55 °C (-67 °F)

Tin/Silver/Copper

6 MHz

Dual Ended

1.28 Ω

1

Ferrite

796 kHz

0.197 in (5 mm)

2220

B82442H

Flame Retardant

10 %

Tape and Reel, 13 in

0.22 in (5.6 mm)

e1

Rectangular Package

B82442H

Wraparound

100 μH

AEC-Q200

0.197 in (5 mm)

150 °C (302 °F)

350 mA

B82442T1154K050

TDK

General Purpose Inductor

High Current Inductor

2

SMT

No

Yes

20

-55 °C (-67 °F)

Tin Silver Copper

4.6 MHz

Dual Ended

1.5 Ω

1

Ferrite

796 kHz

0.197 in (5 mm)

2220

Flame Retardant Molding

10 %

Tape and Reel, Blister, 13 in

0.22 in (5.6 mm)

e1

Rectangular Package

J Bend

150 μH

AEC-Q200

0.197 in (5 mm)

150 °C (302 °F)

410 mA

B82473A1104K000

TDK

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Over Nickel

Dual Ended

430 mΩ

1

Ferrite

100 kHz

0.217 in (5.5 mm)

3330

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.327 in (8.3 mm)

e3

Rectangular Package

Wraparound

100 μH

0.295 in (7.5 mm)

150 °C (302 °F)

720 mA

B82473A1683K000

TDK

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin Over Nickel

Dual Ended

280 mΩ

1

Ferrite

100 kHz

0.217 in (5.5 mm)

3330

Rectangular

10 %

Tape and Reel, Blister, 13 in

0.327 in (8.3 mm)

e3

Rectangular Package

Wraparound

68 μH

0.295 in (7.5 mm)

150 °C (302 °F)

850 mA

B82478A1224M000

TDK

General Purpose Inductor

Power Inductor

2

No

Yes

-55 °C (-67 °F)

Tin

Dual Ended

730 mΩ

1

Ferrite

10 kHz

20 %

e3

Rectangular Package

Wraparound

220 μH

125 °C (257 °F)

950 mA

B82479A1334M000

TDK

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-55 °C (-67 °F)

Tin

Dual Ended

560 mΩ

1

Ferrite

100 kHz

0.28 in (7.11 mm)

7360

Rectangular

20 %

Tape and Reel, Blister, 13 in

0.73 in (18.54 mm)

e3

Rectangular Package

One Surface

330 μH

0.6 in (15.24 mm)

150 °C (302 °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.