Resettable Fuses - PPTC

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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: 12

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Part #

Resettable Fuses - PPTC LR4-1300SSF

LR4-1300SSF
Littelfuse
1: ¥395.3
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

¥395.3

¥318.9

¥252.5

¥220.9

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: ¥152.8
20,142In Stock
42,000Expected 10/7/2026

Mfr. Part #
LR4-260F

Mouser Part #
650-LR4-260F

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

20,142In Stock

42,000Expected 10/7/2026

¥152.8

¥140.7

¥116.8

¥100.5

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: ¥174.4
6,551In Stock

Mfr. Part #
LR4-380F

Mouser Part #
650-LR4-380F

Littelfuse

Resettable Fuses - PPTC LR4-380F

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Datasheet

6,551In Stock

¥174.4

¥140.9

¥113.4

¥104.5

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: ¥242.5
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

¥242.5

¥189.4

¥157

¥150.8

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: ¥287.4
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

¥287.4

¥249.2

¥207.6

¥191

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: ¥112.9
2,830In Stock

Mfr. Part #
LR4-190F

Mouser Part #
650-LR4-190F

Littelfuse

Resettable Fuses - PPTC LR4-190F

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Datasheet

2,830In Stock

¥112.9

¥103.3

¥85.9

¥79.2

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: ¥137.9
555In Stock
1,000Expected 11/23/2026

Mfr. Part #
LR4-260SF

Mouser Part #
650-LR4-260SF

Littelfuse

Resettable Fuses - PPTC 2.6A 15V 100A Imax

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Datasheet

555In Stock

1,000Expected 11/23/2026

¥137.9

¥126.6

¥105.1

¥97

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: ¥167.8
1,665In Stock
7,000Expected 10/7/2026

Mfr. Part #
LR4-450F

Mouser Part #
650-LR4-450F

Littelfuse

Resettable Fuses - PPTC 4.5A 20V 100A Imax

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Datasheet

1,665In Stock

7,000Expected 10/7/2026

¥167.8

¥137

¥125.2

¥117.9

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: ¥202.6
695In Stock
18,000Expected 8/13/2026

Mfr. Part #
LR4-550F

Mouser Part #
650-LR4-550F

Littelfuse

Resettable Fuses - PPTC 5.5A 20V 100A Imax

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Datasheet

695In Stock

18,000Expected 8/13/2026

¥202.6

¥186

¥154.5

¥142.5

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: ¥220.9
1,632In Stock
14,000On Order

Mfr. Part #
LR4-730F

Mouser Part #
650-LR4-730F

Littelfuse

Resettable Fuses - PPTC 7.3A 20V 100A Imax

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Datasheet

1,632In Stock

14,000On Order

¥220.9

¥201

¥169.4

¥155.5

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: ¥157.8
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
LR4-380XF

Mouser Part #
650-LR4-380XF

Littelfuse

Resettable Fuses - PPTC LR4-380XF

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Datasheet

Non-Stocked Lead-Time 17 Weeks

¥157.8

¥144.8

¥120.3

¥111

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: ¥111.5
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
LR4-600XF

Mouser Part #
650-LR4-600XF

Littelfuse

Resettable Fuses - PPTC LR4-600XF

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Datasheet

Non-Stocked Lead-Time 17 Weeks

¥111.5

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