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PolySwitch Resettable Fuses - PPTC

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Part #

Resettable Fuses - PPTC RKEF500K-2

RKEF500K-2
Littelfuse
1: $1.75
874In Stock

Mfr. Part No.
RKEF500K-2

Mouser Part No
650-RKEF500K-2

Littelfuse

Resettable Fuses - PPTC RKEF500K-2

Learn More

Datasheet

874In Stock

Cut Tape

$1.75

$1.61

$1.33

$1.23

Reel

$0.845

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

RKEF

+ 85 C

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090-2
Littelfuse
1: $0.653
3,278In Stock

Mfr. Part No.
RUEF090-2

Mouser Part No
650-RUEF090-2

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

Learn More

Datasheet

3,278In Stock

Cut Tape

$0.653

$0.569

$0.482

$0.446

View

Reel

$0.295

Min.: 1
Mult.: 1

Reel: 3,000

RUEF

PCB Mount

Radial

900 mA

30 VDC

1.8 A

100 A

220 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 30V 900MA 100A RUEF

RUEF090-AP
Littelfuse
1: $0.598
1,724In Stock

Mfr. Part No.
RUEF090-AP

Mouser Part No
650-RUEF090-AP

Littelfuse

Resettable Fuses - PPTC 30V 900MA 100A RUEF

Learn More

Datasheet

1,724In Stock

Cut Tape

$0.598

$0.543

$0.452

$0.417

View

Reel

$0.295

Min.: 1
Mult.: 1

Reel: 2,000

RUEF

PCB Mount

Radial

900 mA

30 VDC

1.8 A

100 A

220 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC

RUEF110-AP
Littelfuse
1: $0.667
1,966In Stock

Mfr. Part No.
RUEF110-AP

Mouser Part No
650-RUEF110-AP

Littelfuse

Resettable Fuses - PPTC

Learn More

Datasheet

1,966In Stock

Cut Tape

$0.667

$0.612

$0.509

$0.468

View

Reel

$0.299

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

RUEF

PCB Mount

Radial

1.1 A

30 VDC

2.2 A

100 A

170 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape, MouseReel

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S
Littelfuse
1: $0.556
475In Stock

Mfr. Part No.
RUEF110S

Mouser Part No
650-RUEF110S

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 40A Imax

Learn More

Datasheet

475In Stock

$0.556

$0.513

$0.427

$0.393

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.1 A

30 VDC

2.2 A

100 A

170 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC

RUEF135-AP
Littelfuse
1: $0.681
2,937In Stock

Mfr. Part No.
RUEF135-AP

Mouser Part No
650-RUEF135-AP

Littelfuse

Resettable Fuses - PPTC

Learn More

Datasheet

2,937In Stock

Cut Tape

$0.681

$0.628

$0.523

$0.482

View

Reel

$0.309

Min.: 1
Mult.: 1

Reel: 2,000

RUEF

PCB Mount

Radial

1.35 A

30 VDC

2.7 A

100 A

130 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135S
Littelfuse
1: $0.584
105In Stock

Mfr. Part No.
RUEF135S

Mouser Part No
650-RUEF135S

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

105In Stock

$0.584

$0.528

$0.439

$0.404

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.35 A

30 VDC

2.7 A

100 A

130 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160-2
Littelfuse
1: $0.695
5,367In Stock

Mfr. Part No.
RUEF160-2

Mouser Part No
650-RUEF160-2

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

5,367In Stock

Cut Tape

$0.695

$0.641

$0.532

$0.492

Reel

$0.296

View

Min.: 1
Mult.: 1

Reel: 3,000

RUEF

PCB Mount

Radial

1.6 A

30 VDC

3.2 A

100 A

110 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160S
Littelfuse
1: $0.584
1,089In Stock

Mfr. Part No.
RUEF160S

Mouser Part No
650-RUEF160S

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

1,089In Stock

$0.584

$0.539

$0.538

$0.438

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.6 A

30 VDC

3.2 A

100 A

110 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185-1
Littelfuse
1: $0.639
202In Stock
500Expected 6/4/2026

Mfr. Part No.
RUEF185-1

Mouser Part No
650-RUEF185-1

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

202In Stock

500Expected 6/4/2026

$0.639

$0.588

$0.488

$0.45

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.85 A

30 VDC

3.7 A

100 A

90 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.85A 30V 40A Imax

RUEF185S
Littelfuse
1: $0.598
410In Stock

Mfr. Part No.
RUEF185S

Mouser Part No
650-RUEF185S

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 40A Imax

Learn More

Datasheet

410In Stock

$0.598

$0.552

$0.457

$0.423

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

1.85 A

30 VDC

3.7 A

100 A

90 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250
Littelfuse
1: $0.626
2,839In Stock
2,500Expected 8/4/2026

Mfr. Part No.
RUEF250

Mouser Part No
650-RUEF250

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

2,839In Stock

2,500Expected 8/4/2026

$0.626

$0.566

$0.47

$0.413

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

2.5 A

30 VDC

5 A

100 A

70 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250S
Littelfuse
1: $0.626
276In Stock

Mfr. Part No.
RUEF250S

Mouser Part No
650-RUEF250S

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

276In Stock

$0.626

$0.566

$0.47

$0.434

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

2.5 A

30 VDC

5 A

100 A

70 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

RUEF250U
Littelfuse
1: $0.626
2,054In Stock

Mfr. Part No.
RUEF250U

Mouser Part No
650-RUEF250U

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

Learn More

Datasheet

2,054In Stock

$0.626

$0.566

$0.468

$0.434

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

2.5 A

30 VDC

4.9 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated

RUEF250U-2
Littelfuse
1: $0.737
4,482In Stock

Mfr. Part No.
RUEF250U-2

Mouser Part No
650-RUEF250U-2

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated

Learn More

Datasheet

4,482In Stock

Cut Tape

$0.737

$0.667

$0.556

$0.513

Reel

$0.31

View

Min.: 1
Mult.: 1

Reel: 3,000

RUEF

PCB Mount

Radial

2.5 A

30 VDC

5 A

100 A

70 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-2
Littelfuse
1: $0.778
4,696In Stock

Mfr. Part No.
RUEF300-2

Mouser Part No
650-RUEF300-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

4,696In Stock

Cut Tape

$0.778

$0.714

$0.594

$0.548

Reel

$0.338

View

Min.: 1
Mult.: 1

Reel: 2,500

RUEF

PCB Mount

Radial

3 A

30 VDC

6 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-AP
Littelfuse
1: $0.778
2,313In Stock

Mfr. Part No.
RUEF300-AP

Mouser Part No
650-RUEF300-AP

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

2,313In Stock

$0.778

$0.714

$0.594

$0.548

Reel

$0.375

View

Min.: 1
Mult.: 1

Reel: 1,000

RUEF

PCB Mount

Radial

3 A

30 VDC

6 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Ammo Pack

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300K-2
Littelfuse
1: $0.778
3,713In Stock

Mfr. Part No.
RUEF300K-2

Mouser Part No
650-RUEF300K-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

3,713In Stock

Cut Tape

$0.778

$0.714

$0.594

$0.548

Reel

$0.338

View

Min.: 1
Mult.: 1

Reel: 2,500

RUEF

PCB Mount

Radial

3 A

30 VDC

6 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400-1
Littelfuse
1: $0.82
1,343In Stock

Mfr. Part No.
RUEF400-1

Mouser Part No
650-RUEF400-1

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

1,343In Stock

$0.82

$0.749

$0.623

$0.574

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

4 A

30 VDC

8 A

40 A

50 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400-2
Littelfuse
1: $0.904
2,811In Stock

Mfr. Part No.
RUEF400-2

Mouser Part No
650-RUEF400-2

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

2,811In Stock

Cut Tape

$0.904

$0.833

$0.692

$0.632

Reel

$0.417

View

Min.: 1
Mult.: 1

Reel: 1,500

RUEF

PCB Mount

Radial

4 A

30 VDC

8 A

100 A

50 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC

RUEF400-AP
Littelfuse
1: $0.904
810In Stock
1,000Expected 23/3/2026

Mfr. Part No.
RUEF400-AP

Mouser Part No
650-RUEF400-AP

Littelfuse

Resettable Fuses - PPTC

Learn More

Datasheet

810In Stock

1,000Expected 23/3/2026

Cut Tape

$0.904

$0.833

$0.692

$0.638

Reel

$0.438

View

Min.: 1
Mult.: 1

Reel: 1,000

RUEF

PCB Mount

Radial

4 A

30 VDC

8 A

100 A

50 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400K
Littelfuse
1: $0.778
668In Stock

Mfr. Part No.
RUEF400K

Mouser Part No
650-RUEF400K

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

668In Stock

$0.778

$0.713

$0.592

$0.542

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

4 A

30 VDC

8 A

100 A

50 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400K-2
Littelfuse
1: $0.834
1,440In Stock
1,500Expected 2/3/2026

Mfr. Part No.
RUEF400K-2

Mouser Part No
650-RUEF400K-2

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

1,440In Stock

1,500Expected 2/3/2026

Cut Tape

$0.834

$0.759

$0.651

$0.584

$0.541

Reel

$0.42

Min.: 1
Mult.: 1

Reel: 1,500

RUEF

PCB Mount

Radial

4 A

30 VDC

8 A

100 A

50 mOhms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500
Littelfuse
1: $0.945
3,868In Stock
3,250Expected 14/5/2026

Mfr. Part No.
RUEF500

Mouser Part No
650-RUEF500

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

Learn More

Datasheet

3,868In Stock

3,250Expected 14/5/2026

$0.945

$0.851

$0.669

$0.621

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

5 A

30 VDC

10 A

100 A

50 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 5A 30V 40A Imax

RUEF500-1
Littelfuse
1: $0.973
1,469In Stock

Mfr. Part No.
RUEF500-1

Mouser Part No
650-RUEF500-1

Littelfuse

Resettable Fuses - PPTC 5A 30V 40A Imax

Learn More

Datasheet

1,469In Stock

$0.973

$0.898

$0.745

$0.687

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

5 A

30 VDC

10 A

100 A

50 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

PolySwitch Resettable Fuses - PPTC

Customer Service Office

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

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 V
18 VDC
20 V
20 VDC
24 V
24 VDC
30 V
30 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
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
10.5 mOhms
10.6 mOhms
11 mOhms
12 mOhms
13 mOhms