Circuit Protection – Mouser Japan

.hide-partial { max-height: none; } .show-more { display: none; }

Automotive Application Solutions

Littelfuse Automotive Solutions contain a portfolio of AEC-Q101 and AEC-Q200 qualified TVS diodes, diode arrays, varistors, multilayer varistors, and POLY-FUSE® PTCs. Each new generation of vehicles has an increased number of electronics that control everything from the radio to fuel injection. Littelfuse provides circuit protection solutions for a range of difficult automotive applications.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 5,278

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Cartridge Fuses 125V 3.15A METI Medium Acting

02323.15MX125P
Littelfuse
1: ¥242.5
670In Stock

Mfr. Part #
02323.15MX125P

Mouser Part #
576-02323.15MX125P

Littelfuse

Cartridge Fuses 125V 3.15A METI Medium Acting

Learn More

Datasheet

670In Stock

¥242.5

¥215.9

¥202.6

¥167.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .5A Fast Acting

0235.500MXEP
Littelfuse
1: ¥302.3
434In Stock

Mfr. Part #
0235.500MXEP

Mouser Part #
576-0235.500MXEP

Littelfuse

Cartridge Fuses 250V .5A Fast Acting

Learn More

Datasheet

434In Stock

¥302.3

¥265.8

¥252.5

¥204.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .250A FA 3AG CC PB-FREE

0312.250MXCCP
Littelfuse
1: ¥503.3
218In Stock

Mfr. Part #
0312.250MXCCP

Mouser Part #
576-0312.250MXCCP

Littelfuse

Cartridge Fuses 250V .250A FA 3AG CC PB-FREE

Learn More

Datasheet

218In Stock

¥503.3

¥450.1

¥435.2

¥342.2

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.25A Axial Fast Acting

03181.25MXP
Littelfuse
1: ¥240.8
989In Stock

Mfr. Part #
03181.25MXP

Mouser Part #
576-03181.25MXP

Littelfuse

Cartridge Fuses 250V 1.25A Axial Fast Acting

Learn More

Datasheet

989In Stock

¥240.8

¥215.9

¥201

¥167.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 20A Slo-Blo 3AB

0325020.MXF80P
Littelfuse
1: ¥315.6
71In Stock
1,000Expected 8/28/2026

Mfr. Part #
0325020.MXF80P

Mouser Part #
576-0325020.MXF80P

Littelfuse

Cartridge Fuses 250V 20A Slo-Blo 3AB

Learn More

Datasheet

71In Stock

1,000Expected 8/28/2026

¥315.6

¥279

¥264.1

¥214.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .15A Slo-Blo 3AB

0326.150HXP
Littelfuse
1: ¥1,066.4
94In Stock

Mfr. Part #
0326.150HXP

Mouser Part #
576-0326.150HXP

Littelfuse

Cartridge Fuses 250V .15A Slo-Blo 3AB

Learn More

Datasheet

94In Stock

¥1,066.4

¥998.3

¥961.7

¥749.1

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 450Vdc 5x20 TL 5A

0977005.MXP
Littelfuse
1: ¥1,775.6
4In Stock
1,000Expected 11/4/2026

Mfr. Part #
0977005.MXP

Mouser Part #
576-0977005.MXP

Littelfuse

Cartridge Fuses 500Vac 450Vdc 5x20 TL 5A

Learn More

Datasheet

4In Stock

1,000Expected 11/4/2026

¥1,775.6

¥1,445.1

¥1,333.8

¥1,106.2

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .250A SB 2AG Pb-FREE

2205.250MXP
Littelfuse
1: ¥269.1
909In Stock

Mfr. Part #
2205.250MXP

Mouser Part #
576-2205.250MXP

Littelfuse

Cartridge Fuses 250V .250A SB 2AG Pb-FREE

Learn More

Datasheet

909In Stock

¥269.1

¥237.5

¥225.9

¥182.7

View

Min.: 1
Mult.: 1

Cartridge Fuses 300V 3A 2AG PT Fast Acting

2206003.MXP
Littelfuse
1: ¥194.3
274In Stock

Mfr. Part #
2206003.MXP

Mouser Part #
576-2206003.MXP

Littelfuse

Cartridge Fuses 300V 3A 2AG PT Fast Acting

Learn More

Datasheet

274In Stock

¥194.3

¥171.1

¥158.8

¥131.4

View

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE

V14P50AUTO
Littelfuse
1: ¥257.5
4In Stock

Mfr. Part #
V14P50AUTO

Mouser Part #
576-V14P50AUTO

Littelfuse

Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE

Learn More

Datasheet

4In Stock

Cut Tape

¥257.5

¥158.5

¥145.8

¥119.9

Reel

¥99

View

Min.: 1
Mult.: 1

: 600

Resettable Fuses - PPTC Polyswitch 2.7A

RXEF135-1
Littelfuse
1: ¥141.2
400In Stock

Mfr. Part #
RXEF135-1

Mouser Part #
650-RXEF135-1

Littelfuse

Resettable Fuses - PPTC Polyswitch 2.7A

Learn More

Datasheet

Product Comments

400In Stock

¥141.2

¥107.5

¥100.8

¥76.2

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.7A 16V 100A Imax

VTP170XSF
Littelfuse
1: ¥176.1
26In Stock

Mfr. Part #
VTP170XSF

Mouser Part #
650-VTP170XSF

Littelfuse

Resettable Fuses - PPTC 1.7A 16V 100A Imax

Learn More

Datasheet

26In Stock

¥176.1

¥161.9

¥112

¥103.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 350V 4A SB PT 2AG PB-FREE

0209004.MXEP
Littelfuse
1: ¥232.5
990In Stock

Mfr. Part #
0209004.MXEP

Mouser Part #
576-0209004.MXEP

Littelfuse

Cartridge Fuses 350V 4A SB PT 2AG PB-FREE

Learn More

Datasheet

990In Stock

¥232.5

¥207.6

¥194.3

¥160.5

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .4A Slo-Blo

0213.400MXEP
Littelfuse
1: ¥275.7
231In Stock

Mfr. Part #
0213.400MXEP

Mouser Part #
576-0213.400MXEP

Littelfuse

Cartridge Fuses 250V .4A Slo-Blo

Learn More

Datasheet

231In Stock

¥275.7

¥244.2

¥232.5

¥187.7

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2.5A 5x20mm Fast Acting

021602.5MRET1SPP
Littelfuse
1: ¥83.1
2,676In Stock

Mfr. Part #
021602.5MRET1SPP

Mouser Part #
576-021602.5MRET1SPP

Littelfuse

Cartridge Fuses 250V 2.5A 5x20mm Fast Acting

Learn More

Datasheet

2,676In Stock

Cut Tape

¥83.1

¥68.6

¥66.4

¥56

View

Reel

¥40.9

Min.: 1
Mult.: 1

: 1,000

Cartridge Fuses 250 V 2A 5x20mm Fast Acting

0217002.MXBP
Littelfuse
1: ¥257.5
347In Stock
1,000Expected 10/5/2026

Mfr. Part #
0217002.MXBP

Mouser Part #
576-0217002.MXBP

Littelfuse

Cartridge Fuses 250 V 2A 5x20mm Fast Acting

Learn More

Datasheet

347In Stock

1,000Expected 10/5/2026

¥257.5

¥229.2

¥214.3

¥177.7

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.25A Medium Acting

02321.25MXP
Littelfuse
1: ¥240.8
856In Stock

Mfr. Part #
02321.25MXP

Mouser Part #
576-02321.25MXP

Littelfuse

Cartridge Fuses 250V 1.25A Medium Acting

Learn More

Datasheet

856In Stock

¥240.8

¥215.9

¥202.6

¥167.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 125V 2A Medium Acting

0233002.MXEP
Littelfuse
1: ¥388.7
557In Stock

Mfr. Part #
0233002.MXEP

Mouser Part #
576-0233002.MXEP

Littelfuse

Cartridge Fuses 125V 2A Medium Acting

Learn More

Datasheet

557In Stock

¥388.7

¥353.8

¥337.2

¥272.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 125V 3A Medium Acting

0233003.MXEP
Littelfuse
1: ¥388.7
609In Stock

Mfr. Part #
0233003.MXEP

Mouser Part #
576-0233003.MXEP

Littelfuse

Cartridge Fuses 125V 3A Medium Acting

Learn More

Datasheet

609In Stock

¥388.7

¥353.8

¥337.2

¥272.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 125V 5X20MM ROHS 8A UL LBC MA PT

0233008.MXEP
Littelfuse
1: ¥141.2
248In Stock

Mfr. Part #
0233008.MXEP

Mouser Part #
576-0233008.MXEP

Littelfuse

Cartridge Fuses 125V 5X20MM ROHS 8A UL LBC MA PT

Learn More

Datasheet

248In Stock

¥141.2

¥124.2

¥120.3

¥101.2

View

Min.: 1
Mult.: 1

Cartridge Fuses 125V 3.15A Medium Acting

02333.15MXEP
Littelfuse
1: ¥388.7
409In Stock

Mfr. Part #
02333.15MXEP

Mouser Part #
576-02333.15MXEP

Littelfuse

Cartridge Fuses 125V 3.15A Medium Acting

Learn More

Datasheet

409In Stock

¥388.7

¥353.8

¥337.2

¥272.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 6A Medium Acting

0234006.MXEP
Littelfuse
1: ¥405.3
85In Stock

Mfr. Part #
0234006.MXEP

Mouser Part #
576-0234006.MXEP

Littelfuse

Cartridge Fuses 250V 6A Medium Acting

Learn More

Datasheet

85In Stock

¥405.3

¥375.4

¥357.1

¥287.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .3A Slo-Blo 3AG

0315.300HXP
Littelfuse
1: ¥416.9
76In Stock

Mfr. Part #
0315.300HXP

Mouser Part #
576-0315.300HXP

Littelfuse

Cartridge Fuses 250V .3A Slo-Blo 3AG

Learn More

Datasheet

76In Stock

¥416.9

¥385.4

¥365.4

¥295.7

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A Axial Fast Acting

0318004.MXP
Littelfuse
1: ¥240.8
229In Stock

Mfr. Part #
0318004.MXP

Mouser Part #
576-0318004.MXP

Littelfuse

Cartridge Fuses 250V 4A Axial Fast Acting

Learn More

Datasheet

229In Stock

¥240.8

¥215.9

¥201

¥167.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .75A Fast Acting 3AB

0324.750HXP
Littelfuse
1: ¥485
3In Stock

Mfr. Part #
0324.750HXP

Mouser Part #
576-0324.750HXP

Littelfuse

Cartridge Fuses 250V .75A Fast Acting 3AB

Learn More

Datasheet

3In Stock

¥485

¥393.7

¥363.8

¥302.3

View

Min.: 1
Mult.: 1