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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Part #

Resettable Fuses - PPTC LR4-1300SSF

LR4-1300SSF
Littelfuse
1: $3.43
4,149In Stock

Mfr. Part #
LR4-1300SSF

Mouser Part #
650-LR4-1300SSF

Resettable Fuses - PPTC LR4-1300SSF

Datasheet

4,149In Stock

$3.43

$2.76

$2.19

$1.92

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: $1.32
20,142In Stock
42,000Expected 2026-10-07

Mfr. Part #
LR4-260F

Mouser Part #
650-LR4-260F

Resettable Fuses - PPTC 2.6A 15V 100A Imax

Datasheet

20,142In Stock

42,000Expected 2026-10-07

$1.32

$1.22

$1.01

$0.871

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: $1.51
6,551In Stock

Mfr. Part #
LR4-380F

Mouser Part #
650-LR4-380F

Resettable Fuses - PPTC LR4-380F

Datasheet

6,551In Stock

$1.51

$1.22

$0.984

$0.906

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 6A 20V 100A Imax

LR4-600F
Littelfuse
1: $2.10
5,426In Stock

Mfr. Part #
LR4-600F

Mouser Part #
650-LR4-600F

Resettable Fuses - PPTC 6A 20V 100A Imax

Datasheet

5,426In Stock

$2.10

$1.64

$1.36

$1.31

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: $2.49
7,373In Stock

Mfr. Part #
LR4-900F

Mouser Part #
650-LR4-900F

Resettable Fuses - PPTC 9A 20V 100A Imax

Datasheet

7,373In Stock

$2.49

$2.16

$1.80

$1.66

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: $0.979
2,830In Stock

Mfr. Part #
LR4-190F

Mouser Part #
650-LR4-190F

Resettable Fuses - PPTC LR4-190F

Datasheet

2,830In Stock

$0.979

$0.896

$0.744

$0.687

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

LR4-260SF
Littelfuse
1: $1.20
555In Stock
1,000Expected 2026-11-23

Mfr. Part #
LR4-260SF

Mouser Part #
650-LR4-260SF

Resettable Fuses - PPTC 2.6A 15V 100A Imax

Datasheet

555In Stock

1,000Expected 2026-11-23

$1.20

$1.10

$0.912

$0.841

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 4.5A 20V 100A Imax

LR4-450F
Littelfuse
1: $1.45
1,665In Stock
7,000Expected 2026-10-07

Mfr. Part #
LR4-450F

Mouser Part #
650-LR4-450F

Resettable Fuses - PPTC 4.5A 20V 100A Imax

Datasheet

1,665In Stock

7,000Expected 2026-10-07

$1.45

$1.19

$1.09

$1.02

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 5.5A 20V 100A Imax

LR4-550F
Littelfuse
1: $1.76
695In Stock
18,000Expected 2026-08-13

Mfr. Part #
LR4-550F

Mouser Part #
650-LR4-550F

Resettable Fuses - PPTC 5.5A 20V 100A Imax

Datasheet

695In Stock

18,000Expected 2026-08-13

$1.76

$1.61

$1.34

$1.24

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 7.3A 20V 100A Imax

LR4-730F
Littelfuse
1: $1.92
1,632In Stock
14,000On Order

Mfr. Part #
LR4-730F

Mouser Part #
650-LR4-730F

Resettable Fuses - PPTC 7.3A 20V 100A Imax

Datasheet

1,632In Stock

14,000On Order

$1.92

$1.74

$1.47

$1.35

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 LR4-380XF

LR4-380XF
Littelfuse
1: $1.37
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
LR4-380XF

Mouser Part #
650-LR4-380XF

Resettable Fuses - PPTC LR4-380XF

Datasheet

Non-Stocked Lead-Time 17 Weeks

$1.37

$1.26

$1.04

$0.962

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 LR4-600XF

LR4-600XF
Littelfuse
10,000: $0.966
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
LR4-600XF

Mouser Part #
650-LR4-600XF

Resettable Fuses - PPTC LR4-600XF

Datasheet

Non-Stocked Lead-Time 17 Weeks

$0.966

Min.: 10,000
Mult.: 1,000

LR4

Strap Mount

SMD/SMT

6 A

20 VDC

11.7 A

100 A

14 mOhms

- 40 C

+ 85 C

Bulk