Resettable Fuses - PPTC – Mouser Canada

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Battery Strap PolySwitch PTCs

Littelfuse Battery Strap PolySwitch Resettable Polymeric Positive Temperature Coefficient (PPTC) Devices provide reliable, non-cycling protection against overcharging and short circuit events for rechargeable battery cells where resettable protection is desired. The axial leaded products offer several material platforms to help protect battery applications. Each material platform offers different performance characteristics that allow the engineer greater design flexibility. Littelfuse PolySwitch devices for battery protection include the SRP, LR4, VTP, VLP, VLR series, disc, and other special application strap devices.

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Part #

Resettable Fuses - PPTC 1.75A 16V 100A Imax

VTP175F
Littelfuse
1: $1.44
3,551In Stock

Mfr. Part #
VTP175F

Mouser Part #
650-VTP175F

Littelfuse

Resettable Fuses - PPTC 1.75A 16V 100A Imax

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Datasheet

3,551In Stock

$1.44

$1.32

$1.01

$0.989

View

Min.: 1
Mult.: 1

VTP

Strap Mount

SMD/SMT

1.75 A

16 VDC

3.6 A

100 A

102 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 1.7A 16V 100A Imax

VTP170XSF
Littelfuse
1: $1.53
26In Stock

Mfr. Part #
VTP170XSF

Mouser Part #
650-VTP170XSF

Littelfuse

Resettable Fuses - PPTC 1.7A 16V 100A Imax

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Datasheet

26In Stock

$1.53

$1.40

$1.08

$1.06

View

Min.: 1
Mult.: 1

VTP

Strap Mount

SMD/SMT

1.7 A

16 VDC

3.4 A

100 A

52 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC LR4-1300SSF

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

Mfr. Part #
LR4-1300SSF

Mouser Part #
650-LR4-1300SSF

Littelfuse

Resettable Fuses - PPTC LR4-1300SSF

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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
19,637In Stock
40,000Expected 2026-10-07

Mfr. Part #
LR4-260F

Mouser Part #
650-LR4-260F

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

19,637In Stock

40,000Expected 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
5,551In Stock

Mfr. Part #
LR4-380F

Mouser Part #
650-LR4-380F

Littelfuse

Resettable Fuses - PPTC LR4-380F

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Datasheet

5,551In 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 5.5A 20V 100A Imax

LR4-550F
Littelfuse
1: $1.76
18,698In Stock

Mfr. Part #
LR4-550F

Mouser Part #
650-LR4-550F

Littelfuse

Resettable Fuses - PPTC 5.5A 20V 100A Imax

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Datasheet

18,698In Stock

$1.76

$1.61

$1.33

$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 6A 20V 100A Imax

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

Mfr. Part #
LR4-600F

Mouser Part #
650-LR4-600F

Littelfuse

Resettable Fuses - PPTC 6A 20V 100A Imax

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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 7.3A 20V 100A Imax

LR4-730F
Littelfuse
1: $1.92
15,630In Stock

Mfr. Part #
LR4-730F

Mouser Part #
650-LR4-730F

Littelfuse

Resettable Fuses - PPTC 7.3A 20V 100A Imax

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Datasheet

15,630In Stock

$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 9A 20V 100A Imax

LR4-900F
Littelfuse
1: $2.49
7,373In Stock

Mfr. Part #
LR4-900F

Mouser Part #
650-LR4-900F

Littelfuse

Resettable Fuses - PPTC 9A 20V 100A Imax

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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 SRP175F

SRP175F
Littelfuse
1: $0.85
6,754In Stock
8,000Expected 2026-10-19

Mfr. Part #
SRP175F

Mouser Part #
650-SRP175F

Littelfuse

Resettable Fuses - PPTC SRP175F

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Datasheet

6,754In Stock

8,000Expected 2026-10-19

$0.85

$0.785

$0.651

$0.60

View

Min.: 1
Mult.: 1

SRP

Strap Mount

SMD/SMT

1.75 A

15 VDC

3.8 A

100 A

120 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC SRP200F

SRP200F
Littelfuse
1: $1.32
12,138In Stock
35,000Expected 2026-10-21

Mfr. Part #
SRP200F

Mouser Part #
650-SRP200F

Littelfuse

Resettable Fuses - PPTC SRP200F

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Datasheet

12,138In Stock

35,000Expected 2026-10-21

$1.32

$1.02

$0.844

$0.779

View

Min.: 1
Mult.: 1

SRP

Strap Mount

SMD/SMT

2 A

30 VDC

4.4 A

100 A

100 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC SRP350F

SRP350F
Littelfuse
1: $1.11
13,312In Stock
22,000Expected 2026-09-08

Mfr. Part #
SRP350F

Mouser Part #
650-SRP350F

Littelfuse

Resettable Fuses - PPTC SRP350F

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Datasheet

13,312In Stock

22,000Expected 2026-09-08

$1.11

$0.985

$0.844

$0.779

View

Min.: 1
Mult.: 1

SRP

Strap Mount

SMD/SMT

3.5 A

30 VDC

6.3 A

100 A

50 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 4.2A 30V

SRP420F
Littelfuse
1: $1.40
24,526In Stock
19,000Expected 2026-08-20

Mfr. Part #
SRP420F

Mouser Part #
650-SRP420F

Littelfuse

Resettable Fuses - PPTC 4.2A 30V

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Datasheet

24,526In Stock

19,000Expected 2026-08-20

$1.40

$1.29

$1.00

$0.973

View

Min.: 1
Mult.: 1

SRP

Strap Mount

SMD/SMT

4.2 A

30 VDC

7.6 A

100 A

40 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 1.75A 12V 100A Imax

VLR175F
Littelfuse
1: $1.20
15,773In Stock
10,000Expected 2026-10-07

Mfr. Part #
VLR175F

Mouser Part #
650-VLR175F

Littelfuse

Resettable Fuses - PPTC 1.75A 12V 100A Imax

Learn More

Datasheet

15,773In Stock

10,000Expected 2026-10-07

$1.20

$1.10

$0.912

$0.841

View

Min.: 1
Mult.: 1

VLR

Strap Mount

SMD/SMT

1.75 A

12 VDC

4.2 A

100 A

62 mOhms

- 40 C

+ 70 C

Bulk

Resettable Fuses - PPTC 1.7A 16V 100A Imax

VTP170F
Littelfuse
1: $1.34
13,590In Stock

Mfr. Part #
VTP170F

Mouser Part #
650-VTP170F

Littelfuse

Resettable Fuses - PPTC 1.7A 16V 100A Imax

Learn More

Datasheet

13,590In Stock

$1.34

$1.24

$1.03

$0.948

View

Min.: 1
Mult.: 1

VTP

Strap Mount

Axial

1.7 A

16 V

3.4 A

100 A

52 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

Littelfuse

Resettable Fuses - PPTC LR4-190F

Learn More

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 4.5A 20V 100A Imax

LR4-450F
Littelfuse
1: $1.54
1,665In Stock
7,000Expected 2026-10-07

Mfr. Part #
LR4-450F

Mouser Part #
650-LR4-450F

Littelfuse

Resettable Fuses - PPTC 4.5A 20V 100A Imax

Learn More

Datasheet

1,665In Stock

7,000Expected 2026-10-07

$1.54

$1.41

$1.17

$1.08

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 1.2A 15V 100A Imax

SRP120F
Littelfuse
1: $0.936
292In Stock
1,000Expected 2026-12-14

Mfr. Part #
SRP120F

Mouser Part #
650-SRP120F

Littelfuse

Resettable Fuses - PPTC 1.2A 15V 100A Imax

Learn More

Datasheet

292In Stock

1,000Expected 2026-12-14

$0.936

$0.855

$0.71

$0.655

View

Min.: 1
Mult.: 1

SRP

Strap Mount

SMD/SMT

1.2 A

15 VDC

2.7 A

100 A

220 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 2.7A 16V 60A Imax

VLP270F
Littelfuse
1: $1.09
1,478In Stock
1,000Expected 2026-12-07

Mfr. Part #
VLP270F

Mouser Part #
650-VLP270F

Littelfuse

Resettable Fuses - PPTC 2.7A 16V 60A Imax

Learn More

Datasheet

1,478In Stock

1,000Expected 2026-12-07

$1.09

$1.00

$0.832

$0.782

View

Min.: 1
Mult.: 1

VLP

Strap Mount

SMD/SMT

2.7 A

16 VDC

6.5 A

60 A

36 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 1.7A 12V 100A Imax

VLR170F
Littelfuse
1: $1.20
1,715In Stock

Mfr. Part #
VLR170F

Mouser Part #
650-VLR170F

Littelfuse

Resettable Fuses - PPTC 1.7A 12V 100A Imax

Learn More

Datasheet

1,715In Stock

$1.20

$1.10

$0.912

$0.841

View

Min.: 1
Mult.: 1

VLR

Strap Mount

SMD/SMT

1.7 A

12 VDC

4.1 A

100 A

64 mOhms

- 40 C

+ 70 C

Bulk

Resettable Fuses - PPTC 1.1A 16V 100A Imax

VTP110F
Littelfuse
1: $0.979
894In Stock

Mfr. Part #
VTP110F

Mouser Part #
650-VTP110F

Littelfuse

Resettable Fuses - PPTC 1.1A 16V 100A Imax

Learn More

Datasheet

894In Stock

$0.979

$0.896

$0.744

$0.687

View

Min.: 1
Mult.: 1

VTP

Strap Mount

SMD/SMT

1.1 A

16 VDC

2.7 A

100 A

140 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 2.1A 16V 100A Imax

VTP210GF
Littelfuse
1: $1.20
2,413In Stock
4,000Expected 2026-12-14

Mfr. Part #
VTP210GF

Mouser Part #
650-VTP210GF

Littelfuse

Resettable Fuses - PPTC 2.1A 16V 100A Imax

Learn More

Datasheet

2,413In Stock

4,000Expected 2026-12-14

$1.20

$1.10

$0.912

$0.841

View

Min.: 1
Mult.: 1

VTP

Strap Mount

SMD/SMT

2.1 A

16 VDC

4.7 A

100 A

60 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC 2.1A 16V 100A Imax

VTP210SF
Littelfuse
1: $1.20
2,000Expected 2026-08-20

Mfr. Part #
VTP210SF

Mouser Part #
650-VTP210SF

Littelfuse

Resettable Fuses - PPTC 2.1A 16V 100A Imax

Learn More

Datasheet

2,000Expected 2026-08-20

$1.20

$1.10

$0.912

$0.841

View

Min.: 1
Mult.: 1

VTP

Strap Mount

SMD/SMT

2.1 A

16 VDC

4.7 A

100 A

60 mOhms

- 40 C

+ 85 C

Bulk

Resettable Fuses - PPTC LR4-380XF

LR4-380XF
Littelfuse
1: $1.45
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
LR4-380XF

Mouser Part #
650-LR4-380XF

Littelfuse

Resettable Fuses - PPTC LR4-380XF

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$1.45

$1.33

$1.11

$1.02

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

Littelfuse

Resettable Fuses - PPTC LR4-600XF

Learn More

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

Battery Strap PolySwitch PTCs

Mouser®

Company

Resources

Support

1.1 A
1.2 A
1.7 A
1.75 A
1.9 A
2 A
2.1 A
2.2 A
2.3 A
2.6 A
2.7 A
3.5 A
3.8 A
4.2 A
4.5 A
5.5 A
6 A
7.3 A
9 A
13 A

2.7 A
3.4 A
3.6 A
3.8 A
3.9 A
4.1 A
4.2 A
4.4 A
4.7 A
5 A
5.3 A
5.8 A
6.3 A
6.5 A
7.6 A
8.3 A
8.9 A
10.5 A
11.7 A
14.1 A

6.5 mOhms
10 mOhms
12 mOhms
14 mOhms
16 mOhms
20 mOhms
26 mOhms
31 mOhms
36 mOhms
40 mOhms
42 mOhms
50 mOhms
52 mOhms
58 mOhms
60 mOhms
62 mOhms
64 mOhms
72 mOhms
100 mOhms
102 mOhms