Resettable Fuses - PPTC – Mouser Canada

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Radial-Leaded PolySwitch Resettable PPTCs

Littelfuse Radial-Leaded Resettable PPTCs are designed to provide overcurrent protection for applications where space is not a concern, and resettable protection is preferred. With so many options in the radial-leaded PPTCs family, engineers can design with more flexibility. The components feature current ratings from 50mA to 15A, low resistance, and a fast time-to-trip. Higher voltage ratings (6V to 72V) allow for use in new applications. Littelfuse Radial-Leaded Resettable PPTCs are compatible with high-volume electronics assembly and can assist in meeting regulatory requirements.

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Part #

Resettable Fuses - PPTC 60V 40A 2.20W Radial-leaded Device

RKEF110
Littelfuse
1: $0.729
6,654In Stock

Mfr. Part #
RKEF110

Mouser Part #
650-RKEF110

Littelfuse

Resettable Fuses - PPTC 60V 40A 2.20W Radial-leaded Device

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Datasheet

6,654In Stock

$0.729

$0.662

$0.55

$0.508

View

Min.: 1
Mult.: 1

RKEF

PCB Mount

Radial

1.1 A

60 VDC

2.2 A

40 A

470 mOhms

- 40 C

+ 85 C

5.84 mm

Bulk

Resettable Fuses - PPTC 60V 40A 2.30W Radial-leaded Device

RKEF135
Littelfuse
1: $0.775
10,434In Stock

Mfr. Part #
RKEF135

Mouser Part #
650-RKEF135

Littelfuse

Resettable Fuses - PPTC 60V 40A 2.30W Radial-leaded Device

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Datasheet

10,434In Stock

$0.775

$0.705

$0.586

$0.541

View

Min.: 1
Mult.: 1

RKEF

PCB Mount

Radial

1.35 A

60 VDC

2.7 A

40 A

370 mOhms

- 40 C

+ 85 C

5.84 mm

Bulk

Resettable Fuses - PPTC 60V 40A 2.80W Radial-leaded Device

RKEF250
Littelfuse
1: $0.915
5,791In Stock

Mfr. Part #
RKEF250

Mouser Part #
650-RKEF250

Littelfuse

Resettable Fuses - PPTC 60V 40A 2.80W Radial-leaded Device

Learn More

Datasheet

5,791In Stock

$0.915

$0.84

$0.698

$0.643

View

Min.: 1
Mult.: 1

RKEF

PCB Mount

Radial

2.5 A

60 VDC

5 A

40 A

85 mOhms

- 40 C

+ 85 C

5.84 mm

Bulk

Resettable Fuses - PPTC 60V 40A 0.03Ohms

RKEF500-1
Littelfuse
1: $1.75
7,701In Stock

Mfr. Part #
RKEF500-1

Mouser Part #
650-RKEF500-1

Littelfuse

Resettable Fuses - PPTC 60V 40A 0.03Ohms

Learn More

Datasheet

7,701In Stock

$1.75

$1.61

$1.34

$1.23

View

Min.: 1
Mult.: 1

RKEF

PCB Mount

Radial

5 A

60 VDC

10 A

40 A

30 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

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

RUEF090
Littelfuse
1: $0.589
10,300In Stock
8,000Expected 2026-02-20

Mfr. Part #
RUEF090

Mouser Part #
650-RUEF090

Littelfuse

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

Learn More

Datasheet

10,300In Stock

8,000Expected 2026-02-20

$0.589

$0.544

$0.468

$0.426

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

900 mA

30 VDC

1.8 A

100 A

220 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 1.1A 30V 100A Imax

RUEF110-2
Littelfuse
1: $0.744
9,246In Stock

Mfr. Part #
RUEF110-2

Mouser Part #
650-RUEF110-2

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 100A Imax

Learn More

Datasheet

9,246In Stock

Cut Tape

$0.744

$0.682

$0.567

$0.522

Reel

$0.315

View

Min.: 1
Mult.: 1

Reel: 3,000

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

Resettable Fuses - PPTC 1.35A 30V 100A Imax

RUEF135
Littelfuse
1: $0.651
7,514In Stock
4,000Expected 2026-02-20

Mfr. Part #
RUEF135

Mouser Part #
650-RUEF135

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 100A Imax

Learn More

Datasheet

7,514In Stock

4,000Expected 2026-02-20

$0.651

$0.589

$0.49

$0.451

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 100A Imax

RUEF160
Littelfuse
1: $0.651
11,903In Stock

Mfr. Part #
RUEF160

Mouser Part #
650-RUEF160

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 100A Imax

Learn More

Datasheet

11,903In Stock

$0.651

$0.601

$0.499

$0.429

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
Littelfuse
1: $0.636
25,399In Stock

Mfr. Part #
RUEF185

Mouser Part #
650-RUEF185

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

25,399In Stock

$0.636

$0.563

$0.51

$0.463

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 3A 30V 100A Imax

RUEF300
Littelfuse
1: $0.744
25,657In Stock

Mfr. Part #
RUEF300

Mouser Part #
650-RUEF300

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

25,657In Stock

$0.744

$0.676

$0.561

$0.519

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

3 A

30 VDC

6 A

100 A

80 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400
Littelfuse
1: $0.868
16,117In Stock

Mfr. Part #
RUEF400

Mouser Part #
650-RUEF400

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

16,117In Stock

$0.868

$0.795

$0.66

$0.609

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 5A 30V 100A Imax

RUEF500
Littelfuse
1: $1.05
5,808In Stock

Mfr. Part #
RUEF500

Mouser Part #
650-RUEF500

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

Learn More

Datasheet

5,808In Stock

$1.05

$0.959

$0.797

$0.715

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 6A 30V 100A Imax

RUEF600
Littelfuse
1: $1.12
6,513In Stock

Mfr. Part #
RUEF600

Mouser Part #
650-RUEF600

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

Learn More

Datasheet

6,513In Stock

$1.12

$1.02

$0.82

$0.781

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

6 A

30 VDC

12 A

100 A

40 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC 9A 30V 100A Imax

RUEF900
Littelfuse
1: $1.64
4,182In Stock
3,991Expected 2026-03-24

Mfr. Part #
RUEF900

Mouser Part #
650-RUEF900

Littelfuse

Resettable Fuses - PPTC 9A 30V 100A Imax

Learn More

Datasheet

4,182In Stock

3,991Expected 2026-03-24

$1.64

$1.51

$1.25

$1.15

View

Min.: 1
Mult.: 1

RUEF

PCB Mount

Radial

9 A

30 VDC

18 A

100 A

20 mOhms

- 40 C

+ 85 C

10.9 mm

Bulk

Resettable Fuses - PPTC .05A 60V 40A Imax

RXEF005
Littelfuse
1: $0.574
17,340In Stock

Mfr. Part #
RXEF005

Mouser Part #
650-RXEF005

Littelfuse

Resettable Fuses - PPTC .05A 60V 40A Imax

Learn More

Datasheet

Product Comments

17,340In Stock

$0.574

$0.522

$0.434

$0.40

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

50 mA

60 VDC

100 mA

40 A

20 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax

RXEF005-2
Littelfuse
1: $0.682
18,899In Stock

Mfr. Part #
RXEF005-2

Mouser Part #
650-RXEF005-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax

Learn More

Datasheet

Product Comments

18,899In Stock

Cut Tape

$0.682

$0.615

$0.521

$0.462

Reel

$0.29

View

Min.: 1
Mult.: 1

Reel: 3,000

RXEF

PCB Mount

Radial

50 mA

60 VDC

100 mA

40 A

20 Ohms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

RXEF010
Littelfuse
1: $0.558
15,874In Stock

Mfr. Part #
RXEF010

Mouser Part #
650-RXEF010

Littelfuse

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

Learn More

Datasheet

Product Comments

15,874In Stock

$0.558

$0.505

$0.412

$0.353

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

100 mA

60 VDC

200 mA

40 A

7.5 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

RXEF020
Littelfuse
1: $0.558
21,308In Stock

Mfr. Part #
RXEF020

Mouser Part #
650-RXEF020

Littelfuse

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

Learn More

Datasheet

Product Comments

21,308In Stock

$0.558

$0.513

$0.412

$0.353

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

200 mA

72 VDC

400 mA

40 A

4.4 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

RXEF025
Littelfuse
1: $0.574
16,329In Stock

Mfr. Part #
RXEF025

Mouser Part #
650-RXEF025

Littelfuse

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

Learn More

Datasheet

Product Comments

16,329In Stock

$0.574

$0.465

$0.412

$0.352

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

250 mA

72 VDC

500 mA

40 A

3 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

RXEF025-2
Littelfuse
1: $0.682
8,093In Stock

Mfr. Part #
RXEF025-2

Mouser Part #
650-RXEF025-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

Learn More

Datasheet

Product Comments

8,093In Stock

Cut Tape

$0.682

$0.615

$0.516

$0.467

View

Reel

$0.287

Min.: 1
Mult.: 1

Reel: 3,000

RXEF

PCB Mount

Radial

250 mA

72 VDC

500 mA

40 A

3 Ohms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax

RXEF030
Littelfuse
1: $0.589
12,815In Stock

Mfr. Part #
RXEF030

Mouser Part #
650-RXEF030

Littelfuse

Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax

Learn More

Datasheet

Product Comments

12,815In Stock

$0.589

$0.535

$0.443

$0.375

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

300 mA

72 VDC

600 mA

40 A

2.1 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

RXEF050
Littelfuse
1: $0.589
39,590In Stock

Mfr. Part #
RXEF050

Mouser Part #
650-RXEF050

Littelfuse

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

Learn More

Datasheet

Product Comments

39,590In Stock

$0.589

$0.535

$0.443

$0.381

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

500 mA

72 VDC

1 A

40 A

1.17 Ohms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

RXEF050-2
Littelfuse
1: $0.698
13,042In Stock

Mfr. Part #
RXEF050-2

Mouser Part #
650-RXEF050-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

Learn More

Datasheet

Product Comments

13,042In Stock

Cut Tape

$0.698

$0.631

$0.532

$0.477

Reel

$0.296

View

Min.: 1
Mult.: 1

Reel: 3,000

RXEF

PCB Mount

Radial

500 mA

72 VDC

1 A

40 A

1.17 Ohms

- 40 C

+ 85 C

5.8 mm

Reel, Cut Tape

Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax

RXEF075
Littelfuse
1: $0.667
14,482In Stock

Mfr. Part #
RXEF075

Mouser Part #
650-RXEF075

Littelfuse

Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax

Learn More

Datasheet

Product Comments

14,482In Stock

$0.667

$0.606

$0.504

$0.465

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

750 mA

72 VDC

1.5 A

40 A

600 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

RXEF090
Littelfuse
1: $0.698
8,943In Stock

Mfr. Part #
RXEF090

Mouser Part #
650-RXEF090

Littelfuse

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

Learn More

Datasheet

Product Comments

8,943In Stock

$0.698

$0.636

$0.527

$0.487

View

Min.: 1
Mult.: 1

RXEF

PCB Mount

Radial

900 mA

72 VDC

1.8 A

40 A

470 mOhms

- 40 C

+ 85 C

5.8 mm

Bulk

Radial-Leaded PolySwitch Resettable PPTCs

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50 mA
80 mA
100 mA
120 mA
145 mA
150 mA
160 mA
170 mA
180 mA
200 mA
250 mA
300 mA
400 mA
500 mA
650 mA
700 mA
750 mA
900 mA
1 A
1.1 A

100 mA
160 mA
200 mA
240 mA
290 mA
300 mA
320 mA
340 mA
400 mA
500 mA
600 mA
650 mA
800 mA
900 mA
920 mA
1 A
1.3 A
1.4 A
1.5 A
1.8 A

6.4 mOhms
6.7 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
13 mOhms
13.1 mOhms
13.5 mOhms
14 mOhms
15 mOhms
16 mOhms
17 mOhms
17.5 mOhms
18.1 mOhms