Resettable Fuses - PPTC – Mouser United Kingdom

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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: £0.917
2,920In Stock

Mfr. Part No.
LR4-600XF

Mouser Part No
650-LR4-600XF

Littelfuse

Resettable Fuses - PPTC LR4-600XF

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Datasheet

2,920In Stock

£0.917

£0.849

£0.684

£0.65

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: £1.58
5,590In Stock

Mfr. Part No.
LR4-1300SSF

Mouser Part No
650-LR4-1300SSF

Littelfuse

Resettable Fuses - PPTC LR4-1300SSF

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Datasheet

5,590In Stock

£1.58

£1.33

£1.06

£0.925

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: £0.653
4,355In Stock

Mfr. Part No.
LR4-380F

Mouser Part No
650-LR4-380F

Littelfuse

Resettable Fuses - PPTC LR4-380F

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Datasheet

4,355In Stock

£0.653

£0.601

£0.478

£0.457

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: £0.698
5,976In Stock

Mfr. Part No.
LR4-450F

Mouser Part No
650-LR4-450F

Littelfuse

Resettable Fuses - PPTC 4.5A 20V 100A Imax

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Datasheet

5,976In Stock

£0.698

£0.638

£0.53

£0.489

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: £0.856
11,569In Stock

Mfr. Part No.
LR4-600F

Mouser Part No
650-LR4-600F

Littelfuse

Resettable Fuses - PPTC 6A 20V 100A Imax

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Datasheet

11,569In Stock

£0.856

£0.722

£0.548

£0.494

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: £1.07
9,673In Stock

Mfr. Part No.
LR4-900F

Mouser Part No
650-LR4-900F

Littelfuse

Resettable Fuses - PPTC 9A 20V 100A Imax

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Datasheet

9,673In Stock

£1.07

£0.995

£0.818

£0.759

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: £0.465
2,630In Stock

Mfr. Part No.
LR4-190F

Mouser Part No
650-LR4-190F

Littelfuse

Resettable Fuses - PPTC LR4-190F

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Datasheet

2,630In Stock

£0.465

£0.428

£0.356

£0.328

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: £0.646
597In Stock
28,000Expected 03/04/2026

Mfr. Part No.
LR4-260F

Mouser Part No
650-LR4-260F

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

597In Stock

28,000Expected 03/04/2026

£0.646

£0.543

£0.502

£0.421

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: £0.571
1,965Expected 19/02/2026

Mfr. Part No.
LR4-260SF

Mouser Part No
650-LR4-260SF

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

1,965Expected 19/02/2026

£0.571

£0.525

£0.436

£0.402

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: £0.653
503In Stock

Mfr. Part No.
LR4-380XF

Mouser Part No
650-LR4-380XF

Littelfuse

Resettable Fuses - PPTC LR4-380XF

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Datasheet

503In Stock

£0.653

£0.601

£0.498

£0.46

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: £1.10
972In Stock
6,000Expected 19/02/2026

Mfr. Part No.
LR4-730F

Mouser Part No
650-LR4-730F

Littelfuse

Resettable Fuses - PPTC 7.3A 20V 100A Imax

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Datasheet

972In Stock

6,000Expected 19/02/2026

£1.10

£0.917

£0.811

£0.773

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: £0.759
2,618Expected 27/03/2026

Mfr. Part No.
LR4-550F

Mouser Part No
650-LR4-550F

Littelfuse

Resettable Fuses - PPTC 5.5A 20V 100A Imax

Learn More

Datasheet

2,618Expected 27/03/2026

£0.759

£0.694

£0.576

£0.532

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: £0.235
Non-Stocked

Mfr. Part No.
LR4-170UF

Mouser Part No
650-LR4-170UF

Littelfuse

Resettable Fuses - PPTC 1.7A 15V 100A Imax

Learn More

Datasheet

Non-Stocked

£0.235

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: £0.235
Non-Stocked

Mfr. Part No.
LR4-190LF

Mouser Part No
650-LR4-190LF

Littelfuse

Resettable Fuses - PPTC 15V 1.9A Ih 0.102ohm

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Datasheet

Non-Stocked

£0.235

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: £0.235
Non-Stocked

Mfr. Part No.
LR4-190SF

Mouser Part No
650-LR4-190SF

Littelfuse

Resettable Fuses - PPTC 1.9A 15V 100A Imax

Learn More

Datasheet

Non-Stocked

£0.235

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: £0.235
Non-Stocked

Mfr. Part No.
LR4-190SLF

Mouser Part No
650-LR4-190SLF

Littelfuse

Resettable Fuses - PPTC 1.9A STRAP Polyswitch PTC RESET

Learn More

Datasheet

Non-Stocked

£0.235

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: £0.235
Non-Stocked

Mfr. Part No.
LR4-190XF

Mouser Part No
650-LR4-190XF

Littelfuse

Resettable Fuses - PPTC 1.9A STRAP Polyswitch PTC RESET

Learn More

Datasheet

Non-Stocked

£0.235

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: £0.759
Non-Stocked

Mfr. Part No.
LR4-250UF

Mouser Part No
650-LR4-250UF

Littelfuse

Resettable Fuses - PPTC Battery Strap 2.5A

Learn More

Datasheet

Non-Stocked

£0.759

£0.65

£0.569

£0.517

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: £0.934
Non-Stocked

Mfr. Part No.
LR4-380LF

Mouser Part No
650-LR4-380LF

Littelfuse

Resettable Fuses - PPTC

Learn More

Datasheet

Non-Stocked

£0.934

£0.796

£0.694

£0.63

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: £0.33
Non-Stocked

Mfr. Part No.
LR4-380SSF

Mouser Part No
650-LR4-380SSF

Littelfuse

Resettable Fuses - PPTC 3.8A 15V 100A Imax

Learn More

Datasheet

Non-Stocked

£0.33

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: £0.294
Non-Stocked

Mfr. Part No.
LR4-380XHDF

Mouser Part No
650-LR4-380XHDF

Littelfuse

Resettable Fuses - PPTC 15V 3.8A Ih 0.37 ohm

Learn More

Datasheet

Non-Stocked

£0.294

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: £0.34
Non-Stocked

Mfr. Part No.
LR4-550RAF

Mouser Part No
650-LR4-550RAF

Littelfuse

Resettable Fuses - PPTC 5.5A STRAP Polyswitch PTC RESET

Learn More

Datasheet

Non-Stocked

£0.34

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: £0.34
Non-Stocked

Mfr. Part No.
LR4-550RF

Mouser Part No
650-LR4-550RF

Littelfuse

Resettable Fuses - PPTC 20V 5.5A Ih 0.016ohm

Learn More

Datasheet

Non-Stocked

£0.34

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: £0.462
Non-Stocked

Mfr. Part No.
LR4-560F

Mouser Part No
650-LR4-560F

Littelfuse

Resettable Fuses - PPTC Battery Strap 5.6A

Learn More

Datasheet

Non-Stocked

£0.462

£0.38

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: £0.395
Non-Stocked

Mfr. Part No.
LR4-600-C100F

Mouser Part No
650-LR4-600-C100F

Littelfuse

Resettable Fuses - PPTC Battery Strap 6.0A

Learn More

Datasheet

Non-Stocked

£0.395

£0.387

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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