.hide-partial { max-height: none; } .show-more { display: none; }

PolySwitch Resettable Fuses - PPTC

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 692

Applied Filters:

Tradename = PolySwitch

Series

Mounting Style

Termination Style

Hold Current

Maximum Voltage

Trip Current

Current Rating - Max

Resistance

Package/Case

Minimum Operating Temperature

Maximum Operating Temperature

Lead Spacing

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Resettable Fuses - PPTC 30V 350MA-HD 20A SMD

NANOASMDCH035F/30-2
Littelfuse
1: Rp21.098
7.095In Stock

Mfr. Part No.
NANOASMDCH035F/30-2

Mouser Part No
576-NANOSMDCH035F302

Littelfuse

Resettable Fuses - PPTC 30V 350MA-HD 20A SMD

Learn More

Datasheet

7.095In Stock

Cut Tape

Rp21.098

Rp19.447

Rp15.576

Rp14.824

View

Reel

Rp9.778

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

nanoASMDCH

SMD/SMT

350 mA

30 VDC

1.75 A

20 A

400 mOhms

1206 (3216 metric)

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC .5A 32V High Temp AEC-Q200

AHEF050
Littelfuse
1: Rp13.209
4.181In Stock

Mfr. Part No.
AHEF050

Mouser Part No
650-AHEF050

Littelfuse

Resettable Fuses - PPTC .5A 32V High Temp AEC-Q200

Learn More

Datasheet

4.181In Stock

Rp13.209

Rp12.200

Rp10.127

Rp9.338

View

Min.: 1
Mult.: 1

AHEF

PCB Mount

Radial

500 mA

32 VDC

1 A

100 A

1.1 Ohms

- 40 C

+ 85 C

5.8 mm

AEC-Q100

Bulk

Resettable Fuses - PPTC 10A 32V High Temp AEC-Q200

AHEF1000
Littelfuse
1: Rp42.930
4.693In Stock

Mfr. Part No.
AHEF1000

Mouser Part No
650-AHEF1000

Littelfuse

Resettable Fuses - PPTC 10A 32V High Temp AEC-Q200

Learn More

Datasheet

4.693In Stock

Rp42.930

Rp35.775

Rp33.023

Rp32.472

View

Min.: 1
Mult.: 1

AHEF

PCB Mount

Radial

10 A

32 VDC

20 A

100 A

16 mOhms

- 40 C

+ 85 C

10.9 mm

AEC-Q100

Bulk

Resettable Fuses - PPTC 3A 32V High Temp AEC-Q200

AHEF300
Littelfuse
1: Rp15.227
3.649In Stock
1.500Expected 05/11/2026

Mfr. Part No.
AHEF300

Mouser Part No
650-AHEF300

Littelfuse

Resettable Fuses - PPTC 3A 32V High Temp AEC-Q200

Learn More

Datasheet

3.649In Stock

1.500Expected 05/11/2026

Rp15.227

Rp13.980

Rp11.613

Rp10.714

View

Min.: 1
Mult.: 1

AHEF

PCB Mount

Radial

3 A

32 VDC

6 A

100 A

110 mOhms

- 40 C

+ 85 C

5.84 mm

AEC-Q100

Bulk

Resettable Fuses - PPTC 5A 32V High Temp AEC-Q200

AHEF500
Littelfuse
1: Rp21.648
9.404In Stock

Mfr. Part No.
AHEF500

Mouser Part No
650-AHEF500

Littelfuse

Resettable Fuses - PPTC 5A 32V High Temp AEC-Q200

Learn More

Datasheet

9.404In Stock

Rp21.648

Rp19.997

Rp16.585

Rp15.301

View

Min.: 1
Mult.: 1

AHEF

PCB Mount

Radial

5 A

32 VDC

10 A

100 A

40 mOhms

- 40 C

+ 85 C

5.8 mm

AEC-Q100

Bulk

Resettable Fuses - PPTC .9A 30V SMD AEC-Q200

ASMD100F-2
Littelfuse
1: Rp14.860
4.925In Stock

Mfr. Part No.
ASMD100F-2

Mouser Part No
650-ASMD100F-2

Littelfuse

Resettable Fuses - PPTC .9A 30V SMD AEC-Q200

Learn More

Datasheet

4.925In Stock

Cut Tape

Rp14.860

Rp13.704

Rp11.393

Rp10.421

Reel

Rp6.329

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

ASMD

SMD/SMT

900 mA

30 VDC

2.16 A

40 A

480 mOhms

2920 (7450 metric)

- 40 C

+ 85 C

AEC-Q100

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC .75A 33VDC 40A 2920 AEC-Q200

ASMDC075F-2
Littelfuse
1: Rp22.749
5.033In Stock

Mfr. Part No.
ASMDC075F-2

Mouser Part No
650-ASMDC075F-2

Littelfuse

Resettable Fuses - PPTC .75A 33VDC 40A 2920 AEC-Q200

Learn More

Datasheet

5.033In Stock

Cut Tape

Rp22.749

Rp17.098

Rp12.824

Rp12.530

View

Reel

Rp7.669

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ASMDC

PCB Mount

SMD/SMT

750 mA

33 VDC

1.5 A

40 A

610 mOhms

- 40 C

+ 85 C

AEC-Q200

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 1.25A 33VDC 40A 2920 AEC-Q200

ASMDC125F/33-2
Littelfuse
1: Rp17.612
5.373In Stock

Mfr. Part No.
ASMDC125F/33-2

Mouser Part No
650-ASMDC125F/33-2

Littelfuse

Resettable Fuses - PPTC 1.25A 33VDC 40A 2920 AEC-Q200

Learn More

Datasheet

5.373In Stock

Cut Tape

Rp17.612

Rp15.851

Rp12.842

Rp12.200

View

Reel

Rp7.045

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ASMDC

PCB Mount

SMD/SMT

1.25 A

33 VDC

2.5 A

40 A

250 mOhms

- 40 C

+ 85 C

AEC-Q200

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 1.85A 33VDC 40A 2920 AEC-Q200

ASMDC185F/33-2
Littelfuse
1: Rp17.612
7.797In Stock

Mfr. Part No.
ASMDC185F/33-2

Mouser Part No
650-ASMDC185F/33-2

Littelfuse

Resettable Fuses - PPTC 1.85A 33VDC 40A 2920 AEC-Q200

Learn More

Datasheet

7.797In Stock

Cut Tape

Rp17.612

Rp16.255

Rp13.136

Rp12.457

View

Reel

Rp7.045

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ASMDC

SMD/SMT

1.85 A

33 VDC

3.7 A

40 A

150 mOhms

2920 (7450 metric)

- 40 C

+ 85 C

AEC-Q200

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 3A 24VDC 40A 2920 AEC-Q200

ASMDC300F/24-2
Littelfuse
1: Rp17.612
3.486In Stock

Mfr. Part No.
ASMDC300F/24-2

Mouser Part No
650-ASMDC300F/24-2

Littelfuse

Resettable Fuses - PPTC 3A 24VDC 40A 2920 AEC-Q200

Learn More

Datasheet

3.486In Stock

Cut Tape

Rp17.612

Rp16.200

Rp13.154

Rp12.439

View

Reel

Rp7.045

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ASMDC

PCB Mount

SMD/SMT

3 A

24 VDC

6 A

40 A

72 mOhms

- 40 C

+ 85 C

AEC-Q200

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 25A 115mV BladeDevice

BD280-1927-25/16-W
Littelfuse
1: Rp175.755
1.340In Stock

Mfr. Part No.
BD280-1927-25/16-W

Mouser Part No
650-BD280-1927-25/16

Littelfuse

Resettable Fuses - PPTC 25A 115mV BladeDevice

Learn More

Datasheet

1.340In Stock

Rp175.755

Rp145.851

Rp134.476

Rp111.544

View

Min.: 1
Mult.: 1

BD280

Holder

Blade

20 A

14 VDC

32 A

25 A

3.3 mOhms

- 40 C

+ 125 C

10.75 mm

Bulk

Resettable Fuses - PPTC 16V 21.0A-HD 100A MAX

BD540-30
Littelfuse
1: Rp144.200
1.238In Stock

Mfr. Part No.
BD540-30

Mouser Part No
650-BD540-30

Littelfuse

Resettable Fuses - PPTC 16V 21.0A-HD 100A MAX

Learn More

Datasheet

1.238In Stock

Rp144.200

Rp119.799

Rp110.443

Rp91.547

Rp78.521

Min.: 1
Mult.: 1

BD540

Holder

Blade

21 A

16 VDC

40 A

100 A

4.4 mOhms

- 40 C

+ 125 C

10.55 mm

Bulk

Resettable Fuses - PPTC .55A 60V 10A Imax

DECASMDC050F/60-2
Littelfuse
1: Rp9.540
7.073In Stock
14.000Expected 03/12/2026

Mfr. Part No.
DECASMDC050F/60-2

Mouser Part No
650-DECASMDC050F/60

Littelfuse

Resettable Fuses - PPTC .55A 60V 10A Imax

Learn More

Datasheet

7.073In Stock

14.000Expected 03/12/2026

Cut Tape

Rp9.540

Rp8.714

Rp7.247

Rp6.678

View

Reel

Rp5.522

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

decaSMD

SMD/SMT

550 mA

60 VDC

1.1 A

10 A

1.1 Ohms

2018 (5045 metric)

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC .1A 15VDC 10A 0603 AEC-Q200

FEMTOASMDC010F/15-2
Littelfuse
1: Rp22.015
3.389In Stock

Mfr. Part No.
FEMTOASMDC010F/15-2

Mouser Part No
650-FEMTASMDC010F152

Littelfuse

Resettable Fuses - PPTC .1A 15VDC 10A 0603 AEC-Q200

Learn More

Datasheet

3.389In Stock

Cut Tape

Rp22.015

Rp20.364

Rp16.548

Rp15.502

View

Reel

Rp8.971

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

femtoASMD

PCB Mount

SMD/SMT

100 mA

15 VDC

300 mA

10 A

14 Ohms

- 40 C

+ 85 C

AEC-Q200

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC .08A 12VDC 10A 0603 AEC-Q200

FEMTOASMDC008F-2
Littelfuse
1: Rp17.612
6.806In Stock

Mfr. Part No.
FEMTOASMDC008F-2

Mouser Part No
650-FEMTOASMDC008F-2

Littelfuse

Resettable Fuses - PPTC .08A 12VDC 10A 0603 AEC-Q200

Learn More

Datasheet

6.806In Stock

Cut Tape

Rp17.612

Rp15.301

Rp12.182

Rp11.631

View

Reel

Rp7.045

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

femtoASMD

PCB Mount

SMD/SMT

80 mA

12 VDC

200 mA

10 A

14 Ohms

- 40 C

+ 85 C

AEC-Q200

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 15V 50MA-HD 40A MAX

FEMTOSMDC005F-2
Littelfuse
1: Rp15.044
11.441In Stock

Mfr. Part No.
FEMTOSMDC005F-2

Mouser Part No
650-FEMTOSMDC005F-2

Littelfuse

Resettable Fuses - PPTC 15V 50MA-HD 40A MAX

Learn More

Datasheet

11.441In Stock

Cut Tape

Rp15.044

Rp13.576

Rp11.430

Rp10.457

View

Reel

Rp5.889

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

femtoSMD

PCB Mount

SMD/SMT

50 mA

15 VDC

150 mA

40 A

30 Ohms

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 14 Ohms 40 A 12 VDC - 40 C+ 85 C

FEMTOSMDC008F-2
Littelfuse
1: Rp15.044
4.278In Stock

Mfr. Part No.
FEMTOSMDC008F-2

Mouser Part No
650-FEMTOSMDC008F-2

Littelfuse

Resettable Fuses - PPTC 14 Ohms 40 A 12 VDC - 40 C+ 85 C

Learn More

Datasheet

4.278In Stock

Cut Tape

Rp15.044

Rp13.778

Rp11.081

Rp10.457

View

Reel

Rp5.871

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

femtoSMD

+ 85 C

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 12V 100MA-HD 40A 0603

FEMTOSMDC010F-2
Littelfuse
1: Rp15.044
6.200In Stock

Mfr. Part No.
FEMTOSMDC010F-2

Mouser Part No
650-FEMTOSMDC010F-2

Littelfuse

Resettable Fuses - PPTC 12V 100MA-HD 40A 0603

Learn More

Datasheet

6.200In Stock

Cut Tape

Rp15.044

Rp12.879

Rp11.081

Rp10.457

View

Reel

Rp5.889

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

femtoSMD

PCB Mount

SMD/SMT

100 mA

12 VDC

250 mA

40 A

8 Ohms

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC LR4-1300SSF

LR4-1300SSF
Littelfuse
1: Rp43.663
4.127In Stock

Mfr. Part No.
LR4-1300SSF

Mouser Part No
650-LR4-1300SSF

Littelfuse

Resettable Fuses - PPTC LR4-1300SSF

Learn More

Datasheet

4.127In Stock

Rp43.663

Rp35.224

Rp32.656

Rp30.087

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

13 A

20 VDC

21.2 A

100 A

6.5 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 2.6A 15V 100A Imax

LR4-260F
Littelfuse
1: Rp16.878
19.637In Stock
40.000Expected 01/09/2026

Mfr. Part No.
LR4-260F

Mouser Part No
650-LR4-260F

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

Learn More

Datasheet

19.637In Stock

40.000Expected 01/09/2026

Rp16.878

Rp15.411

Rp12.714

Rp11.448

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

2.6 A

15 VDC

5.8 A

100 A

42 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC LR4-380F

LR4-380F
Littelfuse
1: Rp19.263
6.551In Stock

Mfr. Part No.
LR4-380F

Mouser Part No
650-LR4-380F

Littelfuse

Resettable Fuses - PPTC LR4-380F

Learn More

Datasheet

6.551In Stock

Rp19.263

Rp17.777

Rp14.163

Rp13.301

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

3.8 A

15 VDC

8.3 A

100 A

26 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 5.5A 20V 100A Imax

LR4-550F
Littelfuse
1: Rp22.382
17.148In Stock

Mfr. Part No.
LR4-550F

Mouser Part No
650-LR4-550F

Littelfuse

Resettable Fuses - PPTC 5.5A 20V 100A Imax

Learn More

Datasheet

17.148In Stock

Rp22.382

Rp20.548

Rp17.062

Rp15.741

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

5.5 A

20 VDC

10.5 A

100 A

16 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 6A 20V 100A Imax

LR4-600F
Littelfuse
1: Rp22.199
5.426In Stock

Mfr. Part No.
LR4-600F

Mouser Part No
650-LR4-600F

Littelfuse

Resettable Fuses - PPTC 6A 20V 100A Imax

Learn More

Datasheet

5.426In Stock

Rp22.199

Rp20.548

Rp16.365

Rp15.667

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

6 A

20 VDC

11.7 A

100 A

14 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 7.3A 20V 100A Imax

LR4-730F
Littelfuse
1: Rp24.400
15.630In Stock

Mfr. Part No.
LR4-730F

Mouser Part No
650-LR4-730F

Littelfuse

Resettable Fuses - PPTC 7.3A 20V 100A Imax

Learn More

Datasheet

15.630In Stock

Rp24.400

Rp22.566

Rp18.713

Rp17.172

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

7.3 A

20 VDC

14.1 A

100 A

12 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 9A 20V 100A Imax

LR4-900F
Littelfuse
1: Rp31.739
7.373In Stock

Mfr. Part No.
LR4-900F

Mouser Part No
650-LR4-900F

Littelfuse

Resettable Fuses - PPTC 9A 20V 100A Imax

Learn More

Datasheet

7.373In Stock

Rp31.739

Rp27.519

Rp22.933

Rp21.098

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

9 A

20 VDC

16.7 A

100 A

10 mOhms

- 40 C

+ 85 C

Bulk

PolySwitch Resettable Fuses - PPTC

Customer Service Office

Company

Resources

Support

0603L
0805L
1206L
1210L
2920L
AGRF
AHEF
AHRF
AHS
ASMD
ASMDC
BD280
BD540
decaSMD
femtoASMD
femtoSMD
HT SMD
LR4
LSP
LVR

20 mA
50 mA
55 mA
80 mA
100 mA
110 mA
120 mA
130 mA
140 mA
145 mA
150 mA
160 mA
170 mA
180 mA
183 mA
184 mA
200 mA
230 mA
250 mA
300 mA

6 V
6 VDC
8 VDC
9 VDC
12 V
12 VDC
13.2 VDC
14 VDC
15 V
15 VDC
16 V
16 VDC
18 VDC
20 VDC
24 VDC
30 V
30 VDC
32 VDC
33 VDC
48 VDC

60 mA
100 mA
120 mA
150 mA
160 mA
170 mA
190 mA
200 mA
220 mA
240 mA
250 mA
260 mA
280 mA
290 mA
300 mA
320 mA
340 mA
350 mA
370 mA
390 mA

1 A
1.2 A
2 A
3 A
3.1 A
3.5 A
4.5 A
5.5 A
7 A
7.5 A
10 A
12.5 A
15 A
20 A
25 A
40 A
50 A
60 A
70 A
100 A

3.3 mOhms
4.4 mOhms
4.5 mOhms
6.4 mOhms
6.5 mOhms
6.7 mOhms
7 mOhms
8.6 mOhms
8.9 mOhms
9 mOhms
9.1 mOhms
9.2 mOhms
10 mOhms
10.2 mOhms
10.6 mOhms
11 mOhms
12 mOhms
13 mOhms
13.1 mOhms
13.5 mOhms