Resettable Fuses - PPTC – Mouser Japan

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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: ¥395.3
4,127In Stock

Mfr. Part #
LR4-1300SSF

Mouser Part #
650-LR4-1300SSF

Resettable Fuses - PPTC LR4-1300SSF

Datasheet

4,127In Stock

¥395.3

¥318.9

¥295.7

¥272.4

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
7,637In Stock
40,000Expected 9/1/2026

Mfr. Part #
LR4-260F

Mouser Part #
650-LR4-260F

Resettable Fuses - PPTC 2.6A 15V 100A Imax

Datasheet

7,637In Stock

40,000Expected 9/1/2026

¥152.8

¥139.5

¥115.1

¥103.6

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

Resettable Fuses - PPTC LR4-380F

Datasheet

6,551In Stock

¥174.4

¥161

¥128.2

¥120.4

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: ¥202.6
16,548In Stock

Mfr. Part #
LR4-550F

Mouser Part #
650-LR4-550F

Resettable Fuses - PPTC 5.5A 20V 100A Imax

Datasheet

16,548In Stock

¥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 6A 20V 100A Imax

LR4-600F
Littelfuse
1: ¥201
5,426In Stock

Mfr. Part #
LR4-600F

Mouser Part #
650-LR4-600F

Resettable Fuses - PPTC 6A 20V 100A Imax

Datasheet

5,426In Stock

¥201

¥186

¥148.2

¥141.8

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 7.3A 20V 100A Imax

LR4-730F
Littelfuse
1: ¥220.9
15,630In Stock

Mfr. Part #
LR4-730F

Mouser Part #
650-LR4-730F

Resettable Fuses - PPTC 7.3A 20V 100A Imax

Datasheet

15,630In Stock

¥220.9

¥204.3

¥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 9A 20V 100A Imax

LR4-900F
Littelfuse
1: ¥287.4
7,373In Stock

Mfr. Part #
LR4-900F

Mouser Part #
650-LR4-900F

Resettable Fuses - PPTC 9A 20V 100A Imax

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

Resettable Fuses - PPTC LR4-190F

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
440In Stock
1,000Expected 9/1/2026

Mfr. Part #
LR4-260SF

Mouser Part #
650-LR4-260SF

Resettable Fuses - PPTC 2.6A 15V 100A Imax

Datasheet

440In Stock

1,000Expected 9/1/2026

¥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: ¥177.7
1,665In Stock
7,000Expected 10/7/2026

Mfr. Part #
LR4-450F

Mouser Part #
650-LR4-450F

Resettable Fuses - PPTC 4.5A 20V 100A Imax

Datasheet

1,665In Stock

7,000Expected 10/7/2026

¥177.7

¥163.1

¥135

¥124.9

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 LR4-380XF

LR4-380XF
Littelfuse
1: ¥167.8
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

¥167.8

¥153.6

¥127.6

¥117.6

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

Resettable Fuses - PPTC LR4-600XF

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