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: 5,277

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 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

Cartridge Fuses 500Vac 400Vdc TL 12A 5X20

0477012.MXP
Littelfuse
1: ¥553.1
658In Stock
2,000Expected 11/25/2026

Mfr. Part #
0477012.MXP

Mouser Part #
576-0477012.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 12A 5X20

Learn More

Datasheet

658In Stock

2,000Expected 11/25/2026

¥553.1

¥500

¥483.4

¥380.4

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W 11V AEC-Q101 5% Bi-Directional

TPSMB11CA
Littelfuse
1: ¥141.2
2,023In Stock

Mfr. Part #
TPSMB11CA

Mouser Part #
576-TPSMB11CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 11V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

2,023In Stock

Cut Tape

¥141.2

¥86.5

¥55.8

¥42.5

Reel

¥32.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3kW 48V AEC-Q101 5% Bi-Directional

TPSMD48CA
Littelfuse
1: ¥179.4
3,000In Stock
3,000Expected 10/26/2026

Mfr. Part #
TPSMD48CA

Mouser Part #
576-TPSMD48CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 48V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

3,000In Stock

3,000Expected 10/26/2026

Cut Tape

¥179.4

¥144.2

¥112.1

¥92.2

¥79.2

Reel

¥73.4

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors 18V 290pF 0805 AEC-Q200 MLA AUTO

V18MLA0805LNHAUTO
Littelfuse
1: ¥141.2
3,344In Stock

Mfr. Part #
V18MLA0805LNHAUTO

Mouser Part #
576-V18MLA0805LNHAUT

Littelfuse

Varistors 18V 290pF 0805 AEC-Q200 MLA AUTO

Learn More

Datasheet

3,344In Stock

Cut Tape

¥141.2

¥85

¥78.2

¥62.6

Reel

¥34.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 11A 16V High Temp AEC-Q200

AHRF1100
Littelfuse
1: ¥270.7
520In Stock

Mfr. Part #
AHRF1100

Mouser Part #
650-AHRF1100

Littelfuse

Resettable Fuses - PPTC 11A 16V High Temp AEC-Q200

Learn More

Datasheet

520In Stock

¥270.7

¥240.8

¥197.7

¥179.4

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .65A 72V 40A Imax

RXEF065S
Littelfuse
1: ¥91.4
236In Stock

Mfr. Part #
RXEF065S

Mouser Part #
650-RXEF065S

Littelfuse

Resettable Fuses - PPTC Radial Lead .65A 72V 40A Imax

Learn More

Datasheet

Product Comments

236In Stock

¥91.4

¥84

¥69.6

¥62.1

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2.5A Fast Acting 5x20

021602.5MXESPP
Littelfuse
1: ¥167.8
1,740In Stock

Mfr. Part #
021602.5MXESPP

Mouser Part #
576-021602.5MXESPP

Littelfuse

Cartridge Fuses 250V 2.5A Fast Acting 5x20

Learn More

Datasheet

1,740In Stock

¥167.8

¥138.5

¥127.7

¥106.1

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1A Time Lag (Slo-Blo)

0218001.MXEP
Littelfuse
1: ¥418.6
835In Stock

Mfr. Part #
0218001.MXEP

Mouser Part #
576-0218001.MXEP

Littelfuse

Cartridge Fuses 250V 1A Time Lag (Slo-Blo)

Learn More

Datasheet

835In Stock

¥418.6

¥348.8

¥322.2

¥267.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.25A Time Lag (Slo-Blo)

02181.25MXEP
Littelfuse
1: ¥421.9
718In Stock

Mfr. Part #
02181.25MXEP

Mouser Part #
576-02181.25MXEP

Littelfuse

Cartridge Fuses 250V 1.25A Time Lag (Slo-Blo)

Learn More

Datasheet

718In Stock

¥421.9

¥390.3

¥370.4

¥299

View

Min.: 1
Mult.: 1

Cartridge Fuses 5x20 C/CODE T LBC 3.15A/250V (P)

02183.15MXBP
Littelfuse
1: ¥289
933In Stock

Mfr. Part #
02183.15MXBP

Mouser Part #
576-02183.15MXBP

Littelfuse

Cartridge Fuses 5x20 C/CODE T LBC 3.15A/250V (P)

Learn More

Datasheet

933In Stock

¥289

¥240.8

¥220.9

¥120.6

View

Min.: 1
Mult.: 1

Cartridge Fuses 125V 5A Fast Acting

0225005.MXUP
Littelfuse
1: ¥164.4
2,406In Stock

Mfr. Part #
0225005.MXUP

Mouser Part #
576-0225005.MXUP

Littelfuse

Cartridge Fuses 125V 5A Fast Acting

Learn More

Datasheet

2,406In Stock

¥164.4

¥136.2

¥125.7

¥104.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2.5A Slo-Blo 2AG

023003.5DRT1P
Littelfuse
1: ¥299
1,471In Stock

Mfr. Part #
023003.5DRT1P

Mouser Part #
576-023003.5DRT1P

Littelfuse

Cartridge Fuses 250V 2.5A Slo-Blo 2AG

Learn More

Datasheet

1,471In Stock

Cut Tape

¥299

¥264.1

¥250.8

¥202.6

View

Reel

¥120.4

Min.: 1
Mult.: 1

: 1,500

Cartridge Fuses 250V .7A Slo-Blo

0239.700MXP
Littelfuse
1: ¥245.8
1,512In Stock

Mfr. Part #
0239.700MXP

Mouser Part #
576-0239.700MXP

Littelfuse

Cartridge Fuses 250V .7A Slo-Blo

Learn More

Datasheet

1,512In Stock

¥245.8

¥204.3

¥189.4

¥156.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V FA 3AB 20A 52MM LEAD

0314020.MX52LEP
Littelfuse
1: ¥352.1
1,382In Stock

Mfr. Part #
0314020.MX52LEP

Mouser Part #
576-0314020.MX52LEP

Littelfuse

Cartridge Fuses 250V FA 3AB 20A 52MM LEAD

Learn More

Datasheet

1,382In Stock

¥352.1

¥292.3

¥270.7

¥224.2

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 5A Axial Fast Acting

0318005.MXP
Littelfuse
1: ¥237.5
1,170In Stock

Mfr. Part #
0318005.MXP

Mouser Part #
576-0318005.MXP

Littelfuse

Cartridge Fuses 250V 5A Axial Fast Acting

Learn More

Datasheet

1,170In Stock

¥237.5

¥197.7

¥182.7

¥150.5

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC 16V 5A POLY RADIAL LEADS

16R500GU
Littelfuse
1: ¥132.9
2,645In Stock

Mfr. Part #
16R500GU

Mouser Part #
576-16R500GU

Littelfuse

Resettable Fuses - PPTC PTC 16V 5A POLY RADIAL LEADS

Learn More

Datasheet

2,645In Stock

¥132.9

¥104

¥86.7

¥76.2

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC 60V/250V.145A POLY TELECOM

250R145ZR
Littelfuse
1: ¥156.1
1,844In Stock

Mfr. Part #
250R145ZR

Mouser Part #
576-250R145ZR

Littelfuse

Resettable Fuses - PPTC PTC 60V/250V.145A POLY TELECOM

Learn More

Datasheet

1,844In Stock

¥156.1

¥144.2

¥117.1

¥110.5

Reel

¥67.1

View

Min.: 1
Mult.: 1

: 1,200

Resettable Fuses - PPTC 60V .170A RADIAL LEADS

60R017XPR
Littelfuse
1: ¥101.3
2,836In Stock

Mfr. Part #
60R017XPR

Mouser Part #
576-60R017XPR

Littelfuse

Resettable Fuses - PPTC 60V .170A RADIAL LEADS

Learn More

Datasheet

2,836In Stock

¥101.3

¥93.2

¥77.4

¥71.4

Reel

¥43

View

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes 16V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S16A
Littelfuse
1: ¥709.2
768In Stock

Mfr. Part #
SLD8S16A

Mouser Part #
576-SLD8S16A

Littelfuse

ESD Protection Diodes / TVS Diodes 16V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

768In Stock

Cut Tape

¥709.2

¥385.4

¥350.5

Reel

¥239.2

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 22V 600W UNI-DIR TP6KE AEC-Q101

TP6KE22A
Littelfuse
1: ¥68.1
4,186In Stock

Mfr. Part #
TP6KE22A

Mouser Part #
576-TP6KE22A

Littelfuse

ESD Protection Diodes / TVS Diodes 22V 600W UNI-DIR TP6KE AEC-Q101

Learn More

Datasheet

4,186In Stock

Cut Tape

¥68.1

¥40.2

¥34.4

¥29.1

View

Reel

¥27.2

Min.: 1
Mult.: 1

: 4,000