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

SRR1280-4R7Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

30 MHz

Dual Ended

15.5 mΩ

1

Ferrite

100 kHz

0.295 in (7.5 mm)

4949

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.492 in (12.5 mm)

e3

Rectangular Package

Wraparound

4.7 μH

0.492 in (12.5 mm)

125 °C (257 °F)

8.2 A

SRR1280-680M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

6.5 MHz

Dual Ended

120 mΩ

1

Ferrite

1 kHz

0.295 in (7.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.492 in (12.5 mm)

e3

Rectangular Package

Wraparound

68 μH

0.492 in (12.5 mm)

125 °C (257 °F)

2.4 A

SRR1280-820M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

5 MHz

Dual Ended

130 mΩ

1

Ferrite

1 kHz

0.295 in (7.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.492 in (12.5 mm)

e3

Rectangular Package

Wraparound

82 μH

0.492 in (12.5 mm)

125 °C (257 °F)

2.3 A

SRR1280A-101M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

4.5 MHz

Dual Ended

150 mΩ

1

Ferrite

1 kHz

0.295 in (7.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.492 in (12.5 mm)

e3

Rectangular Package

Wraparound

100 μH

AEC-Q200

0.492 in (12.5 mm)

125 °C (257 °F)

2.1 A

SRR1280A-560M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

7 MHz

Dual Ended

100 mΩ

1

Ferrite

1 kHz

0.295 in (7.5 mm)

4949

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.492 in (12.5 mm)

e3

Rectangular Package

Wraparound

56 μH

AEC-Q200

0.492 in (12.5 mm)

125 °C (257 °F)

2.6 A

SRR1806-101M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin Over Nickel

4.6 MHz

Dual Ended

270 mΩ

1

Ferrite

100 kHz

0.268 in (6.8 mm)

7255

DC Resistance is measured at 20% Tolerance

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.72 in (18.3 mm)

e3

Rectangular Package

Wraparound

100 μH

0.551 in (14 mm)

125 °C (257 °F)

1.3 A

SRR1806-220M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin Over Nickel

16 MHz

Dual Ended

53 mΩ

1

Ferrite

100 kHz

0.268 in (6.8 mm)

7255

DC Resistance is measured at 20% Tolerance

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.72 in (18.3 mm)

e3

Rectangular Package

Wraparound

22 μH

0.551 in (14 mm)

125 °C (257 °F)

3 A

SRR3818A-220M

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin

25 MHz

Dual Ended

500 mΩ

1

Ferrite

100 kHz

20 %

e3

Rectangular Package

Wraparound

22 μH

AEC-Q200

150 °C (302 °F)

800 mA

SRR3818A-330M

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin Silver Copper

20 MHz

Dual Ended

740 mΩ

1

Ferrite

100 kHz

20 %

e1

Rectangular Package

Wraparound

33 μH

AEC-Q200

150 °C (302 °F)

650 mA

SRR3818A-3R3Y

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin

75 MHz

Dual Ended

85 mΩ

1

Ferrite

100 kHz

30 %

e3

Rectangular Package

Wraparound

3.3 μH

AEC-Q200

150 °C (302 °F)

2.1 A

SRR3818A-3R9Y

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin

70 MHz

Dual Ended

105 mΩ

1

Ferrite

100 kHz

30 %

e3

Rectangular Package

Wraparound

3.9 μH

AEC-Q200

150 °C (302 °F)

2 A

SRR4011-2R2YL

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Nickel Silver

92 MHz

Dual Ended

75 mΩ

1

Ferrite

100 kHz

0.045 in (1.15 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e2

Rectangular Package

One Surface

2.2 μH

0.189 in (4.8 mm)

125 °C (257 °F)

2 A

SRR4018-150Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

30 MHz

Dual Ended

220 mΩ

1

Ferrite

100 kHz

0.071 in (1.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e3

Rectangular Package

One Surface

15 μH

0.189 in (4.8 mm)

125 °C (257 °F)

1.03 A

SRR4018-180Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

30 MHz

Dual Ended

280 mΩ

1

Ferrite

100 kHz

0.071 in (1.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e3

Rectangular Package

One Surface

18 μH

0.189 in (4.8 mm)

125 °C (257 °F)

920 mA

SRR4018-270Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

23 MHz

Dual Ended

370 mΩ

1

Ferrite

100 kHz

0.071 in (1.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e3

Rectangular Package

One Surface

27 μH

0.189 in (4.8 mm)

125 °C (257 °F)

770 mA

SRR4018-680Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

13 MHz

Dual Ended

860 mΩ

1

Ferrite

100 kHz

0.071 in (1.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e3

Rectangular Package

One Surface

68 μH

0.189 in (4.8 mm)

125 °C (257 °F)

500 mA

SRR4028-181Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

7 MHz

Dual Ended

1 Ω

1

Ferrite

100 kHz

0.11 in (2.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e2

Rectangular Package

One Surface

180 μH

0.189 in (4.8 mm)

125 °C (257 °F)

390 mA

SRR4028-220Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

23 MHz

Dual Ended

185 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e2

Rectangular Package

One Surface

22 μH

0.189 in (4.8 mm)

125 °C (257 °F)

930 mA

SRR4028-221Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

5 MHz

Dual Ended

1.25 Ω

1

Ferrite

100 kHz

0.11 in (2.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e2

Rectangular Package

One Surface

220 μH

0.189 in (4.8 mm)

125 °C (257 °F)

340 mA

SRR4028-391Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

4 MHz

Dual Ended

2.2 Ω

1

Ferrite

100 kHz

0.11 in (2.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e2

Rectangular Package

One Surface

390 μH

0.189 in (4.8 mm)

125 °C (257 °F)

260 mA

SRR4028-820Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

8 MHz

Dual Ended

520 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

1919

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.189 in (4.8 mm)

e2

Rectangular Package

One Surface

82 μH

0.189 in (4.8 mm)

125 °C (257 °F)

560 mA

SRR4528A-151M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

8.5 MHz

Dual Ended

905 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2020

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.197 in (5 mm)

e3

Rectangular Package

One Surface

150 μH

AEC-Q200

0.197 in (5 mm)

125 °C (257 °F)

480 mA

SRR4528A-470M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

15 MHz

Dual Ended

300 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2020

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.197 in (5 mm)

e3

Rectangular Package

One Surface

47 μH

AEC-Q200

0.197 in (5 mm)

125 °C (257 °F)

860 mA

SRR4828A-221M

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin

5.5 MHz

Dual Ended

1.25 Ω

1

Ferrite

100 kHz

20 %

e3

Rectangular Package

Wraparound

220 μH

AEC-Q200

150 °C (302 °F)

500 mA

SRR4828A-470M

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin

13 MHz

Dual Ended

270 mΩ

1

Ferrite

100 kHz

20 %

e3

Rectangular Package

Wraparound

47 μH

AEC-Q200

150 °C (302 °F)

1.2 A

SRR4828A-4R7Y

Bourns

General Purpose Inductor

Power Inductor

2

Yes

Yes

-40 °C (-40 °F)

Tin

50 MHz

Dual Ended

54 mΩ

1

Ferrite

100 kHz

30 %

e3

Rectangular Package

Wraparound

4.7 μH

AEC-Q200

150 °C (302 °F)

3 A

SRR5018-470Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

14 MHz

Dual Ended

550 mΩ

1

Ferrite

100 kHz

0.071 in (1.8 mm)

2323

Shielded

30 %

Tape and Reel

0.228 in (5.8 mm)

e2

Rectangular Package

One Surface

47 μH

0.228 in (5.8 mm)

125 °C (257 °F)

600 mA

SRR5028-150Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

22 MHz

Dual Ended

100 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2323

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.228 in (5.8 mm)

e2

Rectangular Package

One Surface

15 μH

0.228 in (5.8 mm)

125 °C (257 °F)

1.37 A

SRR5028-151Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

7.5 MHz

Dual Ended

900 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2323

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.228 in (5.8 mm)

e2

Rectangular Package

One Surface

150 μH

0.228 in (5.8 mm)

125 °C (257 °F)

330 mA

SRR5028-221Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

6.5 MHz

Dual Ended

1.25 Ω

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2323

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.228 in (5.8 mm)

e2

Rectangular Package

One Surface

220 μH

0.228 in (5.8 mm)

125 °C (257 °F)

300 mA

SRR5028-2R6Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

77 MHz

Dual Ended

30 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

2323

Rectangular

30 %

Tape and Reel, Embossed, 7 in

0.228 in (5.8 mm)

e2

Rectangular Package

One Surface

2.6 μH

0.228 in (5.8 mm)

125 °C (257 °F)

3 A

SRR6028-6R0Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

35 MHz

Dual Ended

40 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

6 μH

0.268 in (6.8 mm)

125 °C (257 °F)

2.3 A

SRR6038-390Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

11.8 MHz

Dual Ended

138 mΩ

1

Ferrite

100 kHz

0.15 in (3.8 mm)

2727

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.268 in (6.8 mm)

e2

Rectangular Package

One Surface

39 μH

0.268 in (6.8 mm)

125 °C (257 °F)

1 A

SRR6038-8R2Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

29.6 MHz

Dual Ended

34 mΩ

1

Ferrite

100 kHz

0.15 in (3.8 mm)

2727

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.268 in (6.8 mm)

e2

Rectangular Package

One Surface

8.2 μH

0.268 in (6.8 mm)

125 °C (257 °F)

2.2 A

SRR6040A-220M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

Dual Ended

87 mΩ

1

Ferrite

10 kHz

0.157 in (4 mm)

2626

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.264 in (6.7 mm)

e3

Rectangular Package

One Surface

22 μH

AEC-Q200

0.264 in (6.7 mm)

125 °C (257 °F)

1.3 A

SRR6603-151ML

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin Copper Silver

9 MHz

Dual Ended

590 mΩ

1

Ferrite

100 kHz

0.118 in (3 mm)

2617

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.26 in (6.6 mm)

Rectangular Package

Wraparound

150 μH

0.173 in (4.4 mm)

125 °C (257 °F)

260 mA

SRR6603-152ML

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin Copper Silver

2 MHz

Dual Ended

4.2 Ω

1

Ferrite

100 kHz

0.118 in (3 mm)

2617

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.26 in (6.6 mm)

Rectangular Package

Wraparound

1.5 mH

0.173 in (4.4 mm)

125 °C (257 °F)

120 mA

SRR6603-222ML

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin/Copper/Silver

2 MHz

Dual Ended

8.5 Ω

1

Ferrite

100 kHz

0.118 in (3 mm)

2617

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.26 in (6.6 mm)

Rectangular Package

Wraparound

2.2 mH

0.173 in (4.4 mm)

125 °C (257 °F)

100 mA

SRR6603-6R8ML

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-55 °C (-67 °F)

Tin Copper Silver

50 MHz

Dual Ended

65 mΩ

1

Ferrite

100 kHz

0.118 in (3 mm)

2617

Rectangular

20 %

Tape and Reel, Embossed, 7 in

0.26 in (6.6 mm)

Rectangular Package

Wraparound

6.8 μH

0.173 in (4.4 mm)

125 °C (257 °F)

1.2 A

SRR7032-100M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

35 MHz

Dual Ended

68 Ω

1

Ferrite

1 kHz

0.126 in (3.2 mm)

2828

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.276 in (7 mm)

e3

Rectangular Package

Wraparound

10 μH

0.276 in (7 mm)

125 °C (257 °F)

1.4 A

SRR7032-220M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

29 MHz

Dual Ended

135 mΩ

1

Ferrite

1 kHz

0.126 in (3.2 mm)

2828

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.276 in (7 mm)

e3

Rectangular Package

Wraparound

22 μH

0.276 in (7 mm)

125 °C (257 °F)

960 mA

SRR7045-150M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

17 MHz

Dual Ended

62 mΩ

1

Ferrite

1 kHz

0.177 in (4.5 mm)

2828

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.276 in (7 mm)

e3

Rectangular Package

Wraparound

15 μH

0.276 in (7 mm)

125 °C (257 °F)

2.2 A

SRR7045-151M

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin Over Nickel

5 MHz

Dual Ended

460 mΩ

1

Ferrite

1 kHz

0.177 in (4.5 mm)

2828

Rectangular

20 %

Tape and Reel, Embossed, 13 in

0.276 in (7 mm)

e3

Rectangular Package

Wraparound

150 μH

0.276 in (7 mm)

125 °C (257 °F)

800 mA

SRU1028-220Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

16 MHz

Dual Ended

104 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

3939

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.394 in (10 mm)

e2

Rectangular Package

One Surface

22 μH

0.394 in (10 mm)

125 °C (257 °F)

1.6 A

SRU1028-8R2Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Silver Nickel Tin

28 MHz

Dual Ended

28 mΩ

1

Ferrite

100 kHz

0.11 in (2.8 mm)

3939

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.394 in (10 mm)

e2

Rectangular Package

One Surface

8.2 μH

0.394 in (10 mm)

125 °C (257 °F)

3.3 A

SRU1038-221Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Matte Tin

4 MHz

Dual Ended

565 mΩ

1

Ferrite

100 kHz

0.15 in (3.8 mm)

3939

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.394 in (10 mm)

e3

Rectangular Package

One Surface

220 μH

0.394 in (10 mm)

125 °C (257 °F)

650 mA

SRU1038A-150Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

16 MHz

Dual Ended

50 mΩ

1

Ferrite

100 kHz

0.15 in (3.8 mm)

3939

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.394 in (10 mm)

e3

Rectangular Package

One Surface

15 μH

AEC-Q200

0.394 in (10 mm)

125 °C (257 °F)

2.8 A

SRU1038A-3R5Y

Bourns

General Purpose Inductor

Power Inductor

2

SMT

Yes

Yes

-40 °C (-40 °F)

Tin

35 MHz

Dual Ended

15 mΩ

1

Ferrite

100 kHz

0.15 in (3.8 mm)

3939

Rectangular

30 %

Tape and Reel, Embossed, 13 in

0.394 in (10 mm)

e3

Rectangular Package

One Surface

3.5 μH

AEC-Q200

0.394 in (10 mm)

125 °C (257 °F)

5.5 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.