Fixed Inductors

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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

1143AA-722J=P3

Murata Manufacturing

General Purpose Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Dual Ended

1

125 kHz

0.118 in (3 mm)

3112

5 %

Tape and Reel, Embossed, 13 in

0.315 in (8 mm)

Rectangular Package

Wraparound

7.2 mH

AEC-Q200

0.118 in (3 mm)

125 °C (257 °F)

146-07

Coilcraft

General Purpose Inductor

PCB Mount

No

0.02 in (0.51 mm)

72

-40 °C (-40 °F)

350 MHz

15.6 mΩ

0.138 in (3.5 mm)

Air

0.45 in (11.43 mm)

2727

Unshielded

0.268 in (6.81 mm)

146(UNSH,NC)

198 nH

0.268 in (6.81 mm)

85 °C (185 °F)

4650

Bourns

General Purpose Inductor

RF Inductor

2

Axial

No

No

59

-55 °C (-67 °F)

4.5 MHz

Axial

15 Ω

1

1.5 in (38.1 mm)

Phenolic

790 kHz

4600

Wirewound

5 %

0.748 in (19 mm)

Tubular Package

4600

Wire

620 μH

125 °C (257 °F)

160 mA

760806302

Wurth Elektronik

General Purpose Inductor

6

PCB Mount

No

No

0.031 in (0.8 mm)

-40 °C (-40 °F)

Dual In-Line

310 mΩ

1

0.13 in (3.3 mm)

100 kHz

0.551 in (14 mm)

Rectangular

10 %

1.496 in (38 mm)

Rectangular Package

Wire

300 μH

1.26 in (32 mm)

125 °C (257 °F)

3 A

7687714222

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

1.2 MHz

Dual Ended

6.5 Ω

1

100 kHz

0.236 in (6 mm)

3939

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.394 in (10 mm)

Rectangular Package

Wraparound

2.2 mH

0.394 in (10 mm)

125 °C (257 °F)

260 mA

77A-100M-01

Fastron Electronics

General Purpose Inductor

2

Axial

No

No

0.031 in (0.8 mm)

-55 °C (-67 °F)

Axial

42 mΩ

1

Ferrite

1 MHz

Tubular

20 %

Tape and Reel

1.024 in (26 mm)

Tubular Package

Wire

10 μH

0.315 in (8 mm)

125 °C (257 °F)

5 A

B82111E0000C020

TDK

General Purpose Inductor

RF Inductor

2

Axial

No

No

-55 °C (-67 °F)

Tin

Axial

20 mΩ

1

Ferrite

180 MHz

DC Resistance is measured at 20% Tolerance

Tubular

20 %

Tape and Reel, 13 in

1.024 in (26 mm)

e3

Tubular Package

Wire

7 μH

0.295 in (7.5 mm)

125 °C (257 °F)

6 A

B82462G4472M000

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin

Dual Ended

40 mΩ

1

Ferrite

100 kHz

0.118 in (3 mm)

2525

Rectangular

20 %

Tape and Reel, Blister, 13 in

0.248 in (6.3 mm)

e3

Rectangular Package

One Surface

4.7 μH

AEC-Q200

0.248 in (6.3 mm)

150 °C (302 °F)

2 A

BRC2518T220K

Taiyo Yuden

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

10 MHz

Dual Ended

728 mΩ

1

Ferrite

1 MHz

0.071 in (1.8 mm)

1007

DC Resistance measured at 30% Tolerance

Rectangular

10 %

Tape and Reel, Embossed, 7 in

0.098 in (2.5 mm)

Rectangular Package

Wraparound

22 μH

0.071 in (1.8 mm)

105 °C (221 °F)

490 mA

DLFP-0147-12D5

Schurter Ag

General Purpose Inductor

RF Inductor

2

Chassis Mount

No

No

-25 °C (-13 °F)

1.16 MHz

Flexible Lead

38 mΩ

1

Powdered Iron

1.803 in (45.8 mm)

Rectangular

1.969 in (50 mm)

Rectangular Package

Flexible Lead

500 μH

1.969 in (50 mm)

100 °C (212 °F)

12 A

IHLP1212BZER1R5M11

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin

70 MHz

Dual Ended

32 mΩ

1

Composite

100 kHz

0.079 in (2 mm)

1212

Rectangular

20 %

Tape and Reel, 13 in

0.118 in (3 mm)

e3

Rectangular Package

Wraparound

1.5 μH

0.118 in (3 mm)

125 °C (257 °F)

3.8 A

IHLP1616BZER1R0M11

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

64 MHz

Dual Ended

27 mΩ

1

Composite

100 kHz

0.079 in (2 mm)

1616

Shielded

20 %

Tape and Reel, 13 in

0.16 in (4.06 mm)

Rectangular Package

Wraparound

1 μH

0.16 in (4.06 mm)

125 °C (257 °F)

4.5 A

IHLP4040DZER2R2M01

Vishay Intertechnology

General Purpose Inductor

High Current Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Matte Tin Over Nickel

Dual Ended

9 mΩ

1

Composite

100 kHz

0.157 in (4 mm)

4240

Rectangular

20 %

Tape and Reel, 13 in

0.425 in (10.795 mm)

e3

Rectangular Package

Wraparound

2.2 μH

0.4 in (10.16 mm)

125 °C (257 °F)

12 A

L-07C1N5SV6T

Johanson Technology

General Purpose Inductor

Matte Tin with Nickel barrier

e3

L-07C2N2SV6T

Johanson Technology

General Purpose Inductor

RF Inductor

2

No

Yes

8

-40 °C (-40 °F)

Matte Tin with Nickel barrier

12000 MHz

Dual Ended

160 mΩ

1

Ceramic

100 MHz

13.636 %

e3

Rectangular Package

Wraparound

2.2 nH

100 °C (212 °F)

300 mA

LQH32CN4R7M33L

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Tin Copper

43 MHz

Dual Ended

195 mΩ

1

Ferrite

1 MHz

0.079 in (2 mm)

1210

Unshielded

20 %

Tape and Reel, Embossed, 7 in

0.126 in (3.2 mm)

e2

Rectangular Package

Wraparound

4.7 μH

0.098 in (2.5 mm)

85 °C (185 °F)

650 mA

LQW15AN2N2B80D

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

30

-55 °C (-67 °F)

Matte Tin Over Nickel

15500 MHz

Dual Ended

22 mΩ

1

250 MHz

0.02 in (0.5 mm)

0402

Q measured at 250 MHz

4.55 %

Tape and Reel, Paper, 7 in

0.039 in (1 mm)

e3

Rectangular Package

One Surface

2.2 nH

0.024 in (0.6 mm)

125 °C (257 °F)

2.53 A

LQW15AN2N2C10D

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

25

-55 °C (-67 °F)

Matte Tin Over Nickel

14000 MHz

Dual Ended

27 mΩ

1

Alumina

250 MHz

0.02 in (0.5 mm)

0402

Q measured at 250 MHz

Wirewound Chip

9.09 %

Tape and Reel, Paper, 7 in

0.039 in (1 mm)

e3

Rectangular Package

One Surface

2.2 nH

0.024 in (0.6 mm)

125 °C (257 °F)

1 A

SDR1005-330KL

Bourns

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Copper Tin

14 MHz

Dual Ended

120 mΩ

1

Ferrite

1 kHz

0.197 in (5 mm)

5039

Rectangular

10 %

Tape and Reel, Embossed, 13 in

0.5 in (12.7 mm)

e2

Rectangular Package

One Surface

33 μH

0.394 in (10 mm)

125 °C (257 °F)

1.8 A

SRN3015-4R7M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver/Copper

65 MHz

Dual Ended

136 mΩ

1

Ferrite

1 MHz

0.059 in (1.5 mm)

1212

Rectangular

20 %

Tape and Reel, 7 in

0.118 in (3 mm)

e1

Rectangular Package

One Surface

4.7 μH

0.118 in (3 mm)

125 °C (257 °F)

1.4 A

SRP1038A-150M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

20

-55 °C (-67 °F)

Tin Over Nickel

9 MHz

Dual Ended

45 mΩ

1

Carbonyl Powder

100 kHz

0.15 in (3.8 mm)

4339

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.433 in (11 mm)

e3

Rectangular Package

Wraparound

15 μH

AEC-Q200

0.394 in (10 mm)

150 °C (302 °F)

6.25 A

SRP7030-2R2M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

Dual Ended

20 mΩ

1

Iron

100 kHz

0.126 in (3.2 mm)

2725

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.27 in (6.86 mm)

e3

Rectangular Package

Wraparound

2.2 μH

0.255 in (6.47 mm)

125 °C (257 °F)

8 A

SRR6028-100Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

25 MHz

Dual Ended

65 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2727

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.268 in (6.8 mm)

e2

Rectangular Package

One Surface

10 μH

0.268 in (6.8 mm)

125 °C (257 °F)

2 A

744043003

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Silver Copper

80 MHz

Dual Ended

35 mΩ

1

Manganese-Zinc

100 kHz

0.11 in (2.8 mm)

1919

Rectangular

30 %

Tape and Reel, Plastic

0.189 in (4.8 mm)

e1

Rectangular Package

One Surface

3.3 μH

0.189 in (4.8 mm)

125 °C (257 °F)

2.15 A

744771220

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Silver Copper

3.8 MHz

Dual Ended

340 mΩ

1

Ferrite

100 kHz

0.236 in (6 mm)

4747

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.472 in (12 mm)

e1

Rectangular Package

Wraparound

220 μH

AEC-Q200

0.472 in (12 mm)

125 °C (257 °F)

1.1 A

82103C

Murata Manufacturing

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

35

-40 °C (-40 °F)

Tin

38 MHz

Dual Ended

400 mΩ

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

10 μH

0.126 in (3.2 mm)

85 °C (185 °F)

500 mA

B82111-B-C21

TDK

General Purpose Inductor

RF Inductor

2

No

No

-55 °C (-67 °F)

Tin

175 MHz

Axial

5 mΩ

1

Ferrite

1 MHz

B82111B

20 %

e3

Cylindrical Package

Wire

5 μH

125 °C (257 °F)

10 A

B82472G4103M000

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin

Dual Ended

80 mΩ

1

Ferrite

100 kHz

0.138 in (3.5 mm)

2929

Rectangular

20 %

Tape and Reel, Blister, 13 in

0.287 in (7.3 mm)

e3

Rectangular Package

One Surface

10 μH

0.287 in (7.3 mm)

125 °C (257 °F)

1.7 A

B82477R4223M100

TDK

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Dual Ended

32 mΩ

1

Ferrite

100 kHz

0.335 in (8.5 mm)

4949

Rectangular

20 %

Tape and Reel, Blister, 13 in

0.492 in (12.5 mm)

Rectangular Package

Wraparound

22 μH

AEC-Q200

0.492 in (12.5 mm)

150 °C (302 °F)

4.45 A

CDRH104RNP-100NC

Sumida

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

35 mΩ

3

Ferrite

100 kHz

0.15 in (3.8 mm)

4039

Rectangular

30 %

Tape and Reel, 13 in

0.402 in (10.2 mm)

Rectangular Package

Wraparound

10 μH

0.394 in (10 mm)

100 °C (212 °F)

4.5 A

LQH43PN470M26L

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

8 MHz

Dual Ended

861.6 mΩ

1

Ferrite

1 MHz

0.102 in (2.6 mm)

1812

DC Resistance is measured at 20% Tolerance

Magnetic Shielding

20 %

Tape and Reel, Embossed, 7 in

0.177 in (4.5 mm)

Rectangular Package

Wraparound

47 μH

0.126 in (3.2 mm)

85 °C (185 °F)

520 mA

LQP03TN1N0B02D

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

14

-55 °C (-67 °F)

Tin Over Nickel

17000 MHz

Dual Ended

100 mΩ

1

500 MHz

0.012 in (0.3 mm)

0201

Inductance Tolerance is 0.1 nH

Chip

10 %

Tape and Reel, Paper, 7 in

0.024 in (0.6 mm)

e3

Rectangular Package

Wraparound

1 nH

0.012 in (0.3 mm)

125 °C (257 °F)

750 mA

LQP15MN2N5W02D

Murata Manufacturing

General Purpose Inductor

RF Inductor

2

SMT

No

Yes

13

-40 °C (-40 °F)

Tin

6000 MHz

Dual Ended

300 mΩ

1

500 MHz

0.014 in (0.35 mm)

0402

Inductance Tolerance is 0.05 nH

Chip

2 %

Tape and Reel, Paper, 7 in

0.039 in (1 mm)

e3

Rectangular Package

Wraparound

2.5 nH

0.02 in (0.5 mm)

85 °C (185 °F)

220 mA

MPI4040R3-4R7-R

Eaton Corporation

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin with Nickel barrier

Dual Ended

92 mΩ

1

100 kHz

0.073 in (1.85 mm)

1816

DC Resistance measured at 20% Tolerance

Magnetic Shielding

20 %

Tape and Reel, 13 in

0.175 in (4.45 mm)

e3

Rectangular Package

Wraparound

4.7 μH

0.16 in (4.06 mm)

125 °C (257 °F)

2.3 A

MPLC0730L1R0

KEMET Corporation

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Dual Ended

9 mΩ

1

Composite

0.118 in (3 mm)

3026

Rectangular

20 %

Tape and Reel, 13 in

0.303 in (7.7 mm)

Rectangular Package

Wraparound

1 μH

0.264 in (6.7 mm)

125 °C (257 °F)

10.6 A

NLC453232T-220K-PF

TDK

General Purpose Inductor

2

SMT

No

Yes

10

-40 °C (-40 °F)

Dual Ended

900 mΩ

1

Ferrite

2.52 MHz

0.126 in (3.2 mm)

1812

Rectangular

10 %

Tape and Reel, Blister Plastic, 7 in

0.177 in (4.5 mm)

Rectangular Package

Wraparound

22 μH

0.126 in (3.2 mm)

105 °C (221 °F)

370 mA

NLCV32T-100K-PF

TDK

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

15

-40 °C (-40 °F)

Tin Copper

30 MHz

Dual Ended

360 mΩ

1

Ferrite

2.52 MHz

0.087 in (2.2 mm)

1210

DC Resistance is measured at 30% Tolerance

Rectangular

10 %

Tape and Reel, 7 in

0.126 in (3.2 mm)

e2

Rectangular Package

Wraparound

10 μH

0.098 in (2.5 mm)

105 °C (221 °F)

450 mA

P0770.103NLT

Pulse Electronics

General Purpose Inductor

Power Inductor

2

SMT

No

Yes

-40 °C (-40 °F)

Dual Ended

160 mΩ

1

Ferrite

100 kHz

0.115 in (2.92 mm)

2618

Inductance is measured with Peak Rated Current

Unshielded

20 %

Tape and Reel

0.26 in (6.6 mm)

Rectangular Package

One Surface

10 μH

0.175 in (4.45 mm)

130 °C (266 °F)

1.1 A

SC0914471K

TE Connectivity

General Purpose Inductor

RF Inductor

2

Radial

No

No

0.026 in (0.65 mm)

30

0.197 in (5 mm)

-20 °C (-4 °F)

6 MHz

Radial

140 mΩ

1

0.709 in (18 mm)

Ferrite

0914

Q is measured at 0.796 MHz

Tubular

10 %

Box

0.472 in (12 mm)

Cylindrical Package

Wire

470 μH

0.343 in (8.7 mm)

80 °C (176 °F)

1.5 mA

SCRH103R-101

Bel Fuse

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

Dual Ended

700 mΩ

1

100 kHz

0.122 in (3.1 mm)

4141

Rectangular

30 %

0.413 in (10.5 mm)

Rectangular Package

Wraparound

100 μH

0.406 in (10.3 mm)

920 mA

SRN8040-150M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

14 MHz

Dual Ended

70 mΩ

1

Ferrite

100 kHz

0.157 in (4 mm)

3231

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.321 in (8.15 mm)

e1

Rectangular Package

One Surface

15 μH

0.311 in (7.9 mm)

125 °C (257 °F)

2.4 A

SRP2512A-2R2M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

62 MHz

Dual Ended

98 mΩ

1

Powdered Metal Alloy

1 MHz

0.047 in (1.2 mm)

1008

Rectangular

20 %

Tape and Reel, 7 in

0.098 in (2.5 mm)

e3

Rectangular Package

Wraparound

2.2 μH

AEC-Q200

0.079 in (2 mm)

125 °C (257 °F)

2.27 A

SRP7028A-2R2M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

20

-55 °C (-67 °F)

Tin Over Nickel

32 MHz

Dual Ended

20 mΩ

1

Carbonyl Powder

100 kHz

0.11 in (2.8 mm)

2626

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.264 in (6.7 mm)

e3

Rectangular Package

Wraparound

2.2 μH

AEC-Q200

0.26 in (6.6 mm)

150 °C (302 °F)

8 A

SRR1210-330M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin Over Nickel

6.5 MHz

Dual Ended

52 mΩ

1

Ferrite

1 kHz

0.394 in (10 mm)

4747

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.472 in (12 mm)

e3

Rectangular Package

Wraparound

33 μH

0.472 in (12 mm)

125 °C (257 °F)

4.4 A

XAL4020-222MED

Coilcraft

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Silver (Sn96.5Ag3.5)

52 MHz

Dual Ended

38.7 mΩ

1

Composite

1 MHz

0.083 in (2.1 mm)

1616

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.157 in (4 mm)

e2

Rectangular Package

One Surface

2.2 μH

AEC-Q200

0.157 in (4 mm)

125 °C (257 °F)

5.5 A

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

744311220

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

No

Yes

-40 °C (-40 °F)

Tin Copper Silver

52 MHz

Dual Ended

11.4 mΩ

1

100 kHz

20 %

Rectangular Package

One Surface

2.2 μH

150 °C (302 °F)

9 A

7447714680

Wurth Elektronik

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin/Copper

8 MHz

Dual Ended

132 mΩ

1

Manganese-Zinc

100 kHz

0.197 in (5 mm)

3939

Rectangular

20 %

Tape and Reel, Embossed Plastic, 13 in

0.394 in (10 mm)

e2

Rectangular Package

Wraparound

68 μH

AEC-Q200

0.394 in (10 mm)

150 °C (302 °F)

1.9 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.