Resettable Fuses - PPTC – Mouser Canada

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LR4 15/20V PolySwitch Battery Strap PPTCs

Littelfuse LR4 15/20V PolySwitch Battery Strap Polymeric Positive Temperature Coefficient Resettable Fuses (PPTCs) serve changing battery technology and help protect battery applications. Littelfuse LR4 offers a 3.8A to 13A hold current and 100A maximum current along with 15 or 20V maximum voltage. These Polyswitch devices provide fast time-to-trip and serve a variety of devices, including smartphones, tablet PCs, mobile radios, digital cameras, and power tool charge lines.

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Results: 31

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Part #

Resettable Fuses - PPTC LR4-600XF

LR4-600XF
Littelfuse
1: $1.89
2,920In Stock

Mfr. Part #
LR4-600XF

Mouser Part #
650-LR4-600XF

Littelfuse

Resettable Fuses - PPTC LR4-600XF

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Datasheet

2,920In Stock

$1.89

$1.75

$1.41

$1.34

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 LR4-1300SSF

LR4-1300SSF
Littelfuse
1: $3.27
5,590In Stock

Mfr. Part #
LR4-1300SSF

Mouser Part #
650-LR4-1300SSF

Littelfuse

Resettable Fuses - PPTC LR4-1300SSF

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Datasheet

5,590In Stock

$3.27

$2.74

$2.19

$1.91

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 LR4-380F

LR4-380F
Littelfuse
1: $1.35
4,355In Stock

Mfr. Part #
LR4-380F

Mouser Part #
650-LR4-380F

Littelfuse

Resettable Fuses - PPTC LR4-380F

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Datasheet

4,355In Stock

$1.35

$1.24

$0.986

$0.942

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 4.5A 20V 100A Imax

LR4-450F
Littelfuse
1: $1.44
5,976In Stock

Mfr. Part #
LR4-450F

Mouser Part #
650-LR4-450F

Littelfuse

Resettable Fuses - PPTC 4.5A 20V 100A Imax

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Datasheet

5,976In Stock

$1.44

$1.32

$1.09

$1.01

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

4.5 A

20 VDC

8.9 A

100 A

20 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 6A 20V 100A Imax

LR4-600F
Littelfuse
1: $1.77
11,569In Stock

Mfr. Part #
LR4-600F

Mouser Part #
650-LR4-600F

Littelfuse

Resettable Fuses - PPTC 6A 20V 100A Imax

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Datasheet

11,569In Stock

$1.77

$1.49

$1.13

$1.02

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 9A 20V 100A Imax

LR4-900F
Littelfuse
1: $2.22
9,673In Stock

Mfr. Part #
LR4-900F

Mouser Part #
650-LR4-900F

Littelfuse

Resettable Fuses - PPTC 9A 20V 100A Imax

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Datasheet

9,673In Stock

$2.22

$2.05

$1.69

$1.57

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

Resettable Fuses - PPTC LR4-190F

LR4-190F
Littelfuse
1: $0.961
2,630In Stock

Mfr. Part #
LR4-190F

Mouser Part #
650-LR4-190F

Littelfuse

Resettable Fuses - PPTC LR4-190F

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Datasheet

2,630In Stock

$0.961

$0.884

$0.735

$0.677

View

Min.: 1
Mult.: 1

LR4

Strap Mount

SMD/SMT

1.9 A

15 VDC

3.9 A

100 A

72 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 2.6A 15V 100A Imax

LR4-260F
Littelfuse
1: $1.33
597In Stock
28,000Expected 2026-04-03

Mfr. Part #
LR4-260F

Mouser Part #
650-LR4-260F

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

597In Stock

28,000Expected 2026-04-03

$1.33

$1.12

$1.04

$0.868

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 2.6A 15V 100A Imax

LR4-260SF
Littelfuse
1: $1.18
165In Stock
2,000Expected 2026-03-20

Mfr. Part #
LR4-260SF

Mouser Part #
650-LR4-260SF

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

165In Stock

2,000Expected 2026-03-20

$1.18

$1.08

$0.899

$0.829

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 LR4-380XF

LR4-380XF
Littelfuse
1: $1.35
503In Stock

Mfr. Part #
LR4-380XF

Mouser Part #
650-LR4-380XF

Littelfuse

Resettable Fuses - PPTC LR4-380XF

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Datasheet

503In Stock

$1.35

$1.24

$1.03

$0.95

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 7.3A 20V 100A Imax

LR4-730F
Littelfuse
1: $2.26
972In Stock
6,000Expected 2026-04-21

Mfr. Part #
LR4-730F

Mouser Part #
650-LR4-730F

Littelfuse

Resettable Fuses - PPTC 7.3A 20V 100A Imax

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Datasheet

972In Stock

6,000Expected 2026-04-21

$2.26

$1.89

$1.67

$1.60

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 5.5A 20V 100A Imax

LR4-550F
Littelfuse
1: $1.57
2,828Expected 2026-03-27

Mfr. Part #
LR4-550F

Mouser Part #
650-LR4-550F

Littelfuse

Resettable Fuses - PPTC 5.5A 20V 100A Imax

Learn More

Datasheet

2,828Expected 2026-03-27

$1.57

$1.43

$1.19

$1.10

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 1.7A 15V 100A Imax

LR4-170UF
Littelfuse
10,000: $0.485
Non-Stocked

Mfr. Part #
LR4-170UF

Mouser Part #
650-LR4-170UF

Littelfuse

Resettable Fuses - PPTC 1.7A 15V 100A Imax

Learn More

Datasheet

Non-Stocked

$0.485

Min.: 10,000
Mult.: 2,000

LR4

Strap Mount

Axial

1.7 A

15 V

3.4 A

100 A

78 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 15V 1.9A Ih 0.102ohm

LR4-190LF
Littelfuse
10,000: $0.485
Non-Stocked

Mfr. Part #
LR4-190LF

Mouser Part #
650-LR4-190LF

Littelfuse

Resettable Fuses - PPTC 15V 1.9A Ih 0.102ohm

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Datasheet

Non-Stocked

$0.485

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

1.9 A

15 V

3.9 A

100 A

102 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 1.9A 15V 100A Imax

LR4-190SF
Littelfuse
10,000: $0.485
Non-Stocked

Mfr. Part #
LR4-190SF

Mouser Part #
650-LR4-190SF

Littelfuse

Resettable Fuses - PPTC 1.9A 15V 100A Imax

Learn More

Datasheet

Non-Stocked

$0.485

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

1.9 A

15 V

3.9 A

100 A

72 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 1.9A STRAP Polyswitch PTC RESET

LR4-190SLF
Littelfuse
10,000: $0.485
Non-Stocked

Mfr. Part #
LR4-190SLF

Mouser Part #
650-LR4-190SLF

Littelfuse

Resettable Fuses - PPTC 1.9A STRAP Polyswitch PTC RESET

Learn More

Datasheet

Non-Stocked

$0.485

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

1.9 A

15 V

3.9 A

100 A

72 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 1.9A STRAP Polyswitch PTC RESET

LR4-190XF
Littelfuse
10,000: $0.485
Non-Stocked

Mfr. Part #
LR4-190XF

Mouser Part #
650-LR4-190XF

Littelfuse

Resettable Fuses - PPTC 1.9A STRAP Polyswitch PTC RESET

Learn More

Datasheet

Non-Stocked

$0.485

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

1.9 A

15 V

3.9 A

100 A

72 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC Battery Strap 2.5A

LR4-250UF
Littelfuse
1: $1.57
Non-Stocked

Mfr. Part #
LR4-250UF

Mouser Part #
650-LR4-250UF

Littelfuse

Resettable Fuses - PPTC Battery Strap 2.5A

Learn More

Datasheet

Non-Stocked

$1.57

$1.34

$1.17

$1.07

View

Min.: 1
Mult.: 1

LR4

Strap Mount

Axial

2.5 A

15 V

100 A

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC

LR4-380LF
Littelfuse
1: $1.92
Non-Stocked

Mfr. Part #
LR4-380LF

Mouser Part #
650-LR4-380LF

Littelfuse

Resettable Fuses - PPTC

Learn More

Datasheet

Non-Stocked

$1.92

$1.64

$1.43

$1.30

View

Min.: 1
Mult.: 1

LR4

Strap Mount

Axial

3.8 A

15 V

8.3 A

100 A

26 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 3.8A 15V 100A Imax

LR4-380SSF
Littelfuse
2,000: $0.68
Non-Stocked

Mfr. Part #
LR4-380SSF

Mouser Part #
650-LR4-380SSF

Littelfuse

Resettable Fuses - PPTC 3.8A 15V 100A Imax

Learn More

Datasheet

Non-Stocked

$0.68

Min.: 2,000
Mult.: 2,000

LR4

Strap Mount

Axial

3.8 A

15 V

8.3 A

100 A

26 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 15V 3.8A Ih 0.37 ohm

LR4-380XHDF
Littelfuse
10,000: $0.608
Non-Stocked

Mfr. Part #
LR4-380XHDF

Mouser Part #
650-LR4-380XHDF

Littelfuse

Resettable Fuses - PPTC 15V 3.8A Ih 0.37 ohm

Learn More

Datasheet

Non-Stocked

$0.608

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

3.8 A

15 V

8.3 A

100 A

370 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 5.5A STRAP Polyswitch PTC RESET

LR4-550RAF
Littelfuse
10,000: $0.701
Non-Stocked

Mfr. Part #
LR4-550RAF

Mouser Part #
650-LR4-550RAF

Littelfuse

Resettable Fuses - PPTC 5.5A STRAP Polyswitch PTC RESET

Learn More

Datasheet

Non-Stocked

$0.701

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

5.5 A

20 V

10.5 A

100 A

16 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 20V 5.5A Ih 0.016ohm

LR4-550RF
Littelfuse
10,000: $0.701
Non-Stocked

Mfr. Part #
LR4-550RF

Mouser Part #
650-LR4-550RF

Littelfuse

Resettable Fuses - PPTC 20V 5.5A Ih 0.016ohm

Learn More

Datasheet

Non-Stocked

$0.701

Min.: 10,000
Mult.: 10,000

LR4

Strap Mount

Axial

5.5 A

20 V

10.5 A

100 A

16 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC Battery Strap 5.6A

LR4-560F
Littelfuse
2,000: $0.953
Non-Stocked

Mfr. Part #
LR4-560F

Mouser Part #
650-LR4-560F

Littelfuse

Resettable Fuses - PPTC Battery Strap 5.6A

Learn More

Datasheet

Non-Stocked

$0.953

$0.784

Min.: 2,000
Mult.: 2,000

LR4

Strap Mount

Axial

5.6 A

20 V

100 A

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC Battery Strap 6.0A

LR4-600-C100F
Littelfuse
2,000: $0.817
Non-Stocked

Mfr. Part #
LR4-600-C100F

Mouser Part #
650-LR4-600-C100F

Littelfuse

Resettable Fuses - PPTC Battery Strap 6.0A

Learn More

Datasheet

Non-Stocked

$0.817

$0.798

Min.: 2,000
Mult.: 2,000

LR4

Strap Mount

Axial

6 A

20 V

11.7 A

100 A

14 mOhms

- 40 C

+ 85 C

Bulk

LR4 15/20V PolySwitch Battery Strap PPTCs

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