Circuit Protection – Mouser Japan

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

General Port Protection Solutions

Littelfuse General Port Protection provides a wide array of solutions for power and communication ports. Ports need protection from common electrical hazards such as lightning surges, induced power surges, power cross, electrical fast transient, electrostatic discharge, and short-circuits due to aging wires or installation errors. Littelfuse General Port Protection products are ideal for automotive, building automation, consumer electronics, and industrial applications.

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

Types of Circuit Protection

List Images

Results: 981

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 250V 5A Slo-Blo

0313005.HXP
Littelfuse
1: ¥307.3
4,804In Stock

Mfr. Part #
0313005.HXP

Mouser Part #
576-0313005.HXP

Littelfuse

Cartridge Fuses 250V 5A Slo-Blo

Learn More

Datasheet

4,804In Stock

¥307.3

¥227.6

¥219.3

¥184.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 5A Slo-Blo

0313005.MXP
Littelfuse
1: ¥295.7
1,820In Stock
2,000Expected 9/14/2026

Mfr. Part #
0313005.MXP

Mouser Part #
576-0313005.MXP

Littelfuse

Cartridge Fuses 250V 5A Slo-Blo

Learn More

Datasheet

1,820In Stock

2,000Expected 9/14/2026

¥295.7

¥247.5

¥229.2

¥172.7

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 8A Slo-Blo

0313008.MXP
Littelfuse
1: ¥297.3
1,948In Stock

Mfr. Part #
0313008.MXP

Mouser Part #
576-0313008.MXP

Littelfuse

Cartridge Fuses 250V 8A Slo-Blo

Learn More

Datasheet

1,948In Stock

¥297.3

¥247.5

¥229.2

¥189.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.5A Slo-Blo

031301.5MXP
Littelfuse
1: ¥262.4
2,999In Stock

Mfr. Part #
031301.5MXP

Mouser Part #
576-031301.5MXP

Littelfuse

Cartridge Fuses 250V 1.5A Slo-Blo

Learn More

Datasheet

2,999In Stock

¥262.4

¥217.6

¥201

¥167.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V SB 3AG PB-FREE 10A

0313010.MX250P
Littelfuse
1: ¥255.8
3,259In Stock
3,000Expected 9/14/2026

Mfr. Part #
0313010.MX250P

Mouser Part #
576-0313010.MX250P

Littelfuse

Cartridge Fuses 250V SB 3AG PB-FREE 10A

Learn More

Datasheet

3,259In Stock

3,000Expected 9/14/2026

¥255.8

¥212.6

¥187.7

¥162.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2.5A Slo-Blo

031302.5HXP
Littelfuse
1: ¥274.1
2,178In Stock

Mfr. Part #
031302.5HXP

Mouser Part #
576-031302.5HXP

Littelfuse

Cartridge Fuses 250V 2.5A Slo-Blo

Learn More

Datasheet

2,178In Stock

¥274.1

¥227.6

¥210.9

¥155.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 3.2A Slo-Blo

031303.2MXP
Littelfuse
1: ¥262.4
2,364In Stock

Mfr. Part #
031303.2MXP

Mouser Part #
576-031303.2MXP

Littelfuse

Cartridge Fuses 250V 3.2A Slo-Blo

Learn More

Datasheet

2,364In Stock

¥262.4

¥217.6

¥201

¥167.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 6.3A Slo-Blo

031306.3MXP
Littelfuse
1: ¥297.3
2,570In Stock
2,000Expected 9/7/2026

Mfr. Part #
031306.3MXP

Mouser Part #
576-031306.3MXP

Littelfuse

Cartridge Fuses 250V 6.3A Slo-Blo

Learn More

Datasheet

2,570In Stock

2,000Expected 9/7/2026

¥297.3

¥247.5

¥229.2

¥189.4

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.25A Slo-Blo

03131.25MXP
Littelfuse
1: ¥257.5
2,597In Stock

Mfr. Part #
03131.25MXP

Mouser Part #
576-03131.25MXP

Littelfuse

Cartridge Fuses 250V 1.25A Slo-Blo

Learn More

Datasheet

2,597In Stock

¥257.5

¥222.6

¥206

¥171.1

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 6.25A Slo-Blo

03136.25MXP
Littelfuse
1: ¥297.3
5,143In Stock
5,000Expected 9/22/2026

Mfr. Part #
03136.25MXP

Mouser Part #
576-03136.25MXP

Littelfuse

Cartridge Fuses 250V 6.25A Slo-Blo

Learn More

Datasheet

5,143In Stock

5,000Expected 9/22/2026

¥297.3

¥247.5

¥229.2

¥189.4

View

Min.: 1
Mult.: 1

Surface Mount Fuses 32V .250A SLIM Fast Acting 0402

0435.250KRS
Littelfuse
1: ¥267.4
10,827In Stock
10,000Expected 8/27/2026

Mfr. Part #
0435.250KRS

Mouser Part #
576-0435.250KRS

Littelfuse

Surface Mount Fuses 32V .250A SLIM Fast Acting 0402

Learn More

Datasheet

10,827In Stock

10,000Expected 8/27/2026

Cut Tape

¥267.4

¥240.8

¥230.9

¥186

View

Reel

¥116.9

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

0461.500ER
Littelfuse
1: ¥403.6
5,614In Stock
5,000Expected 11/3/2026

Mfr. Part #
0461.500ER

Mouser Part #
576-0461.500ER

Littelfuse

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

Learn More

Datasheet

5,614In Stock

5,000Expected 11/3/2026

Cut Tape

¥403.6

¥365.4

¥322.2

¥272.4

View

Reel

¥164.4

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

04611.25ER
Littelfuse
1: ¥325.6
17,838In Stock
52,500On Order

Mfr. Part #
04611.25ER

Mouser Part #
576-04611.25ER

Littelfuse

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

Learn More

Datasheet

17,838In Stock

52,500On Order

Cut Tape

¥325.6

¥290.7

¥245.8

¥212.6

View

Reel

¥117.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA

0477.500MXP
Littelfuse
1: ¥373.7
6,765In Stock
5,000Expected 9/22/2026

Mfr. Part #
0477.500MXP

Mouser Part #
576-0477.500MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA

Learn More

Datasheet

6,765In Stock

5,000Expected 9/22/2026

¥373.7

¥327.2

¥302.3

¥250.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 4A 5X20

0477004.MXP
Littelfuse
1: ¥387
1,309In Stock
12,000Expected 11/2/2026

Mfr. Part #
0477004.MXP

Mouser Part #
576-0477004.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 4A 5X20

Learn More

Datasheet

1,309In Stock

12,000Expected 11/2/2026

¥387

¥327.2

¥302.3

¥250.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 10A 5X20

0477010.MXP
Littelfuse
1: ¥448.5
3,384In Stock
7,550On Order

Mfr. Part #
0477010.MXP

Mouser Part #
576-0477010.MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 10A 5X20

Learn More

Datasheet

3,384In Stock

7,550On Order

¥448.5

¥373.7

¥343.8

¥285.7

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5X20 6.3A

047706.3MXP
Littelfuse
1: ¥385.4
1,715In Stock
14,000On Order

Mfr. Part #
047706.3MXP

Mouser Part #
576-047706.3MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 6.3A

Learn More

Datasheet

1,715In Stock

14,000On Order

¥385.4

¥323.9

¥299

¥247.5

View

Min.: 1
Mult.: 1

Cartridge Fuses 500Vac 400Vdc TL 5X20 3.15A

04773.15MXP
Littelfuse
1: ¥385.4
8,686In Stock
7,000Expected 10/6/2026

Mfr. Part #
04773.15MXP

Mouser Part #
576-04773.15MXP

Littelfuse

Cartridge Fuses 500Vac 400Vdc TL 5X20 3.15A

Learn More

Datasheet

8,686In Stock

7,000Expected 10/6/2026

¥385.4

¥323.9

¥299

¥247.5

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL

AXGD10603MR
Littelfuse
1: ¥126.2
24,678In Stock

Mfr. Part #
AXGD10603MR

Mouser Part #
576-AXGD10603MR

Littelfuse

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL

Learn More

Datasheet

24,678In Stock

Cut Tape

¥126.2

¥78.7

¥67.8

¥53.7

Reel

¥40.2

¥34.7

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL

AXGD10603NR
Littelfuse
1: ¥139.5
40,236In Stock
110,000On Order

Mfr. Part #
AXGD10603NR

Mouser Part #
576-AXGD10603NR

Littelfuse

ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL

Learn More

Datasheet

40,236In Stock

110,000On Order

Cut Tape

¥139.5

¥78.7

¥67.8

¥53.7

Reel

¥32.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD

CG590LTR
Littelfuse
1: ¥450.1
1,013In Stock

Mfr. Part #
CG590LTR

Mouser Part #
576-CG590LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD

Datasheet

1,013In Stock

Cut Tape

¥450.1

¥343.8

¥285.7

¥262.4

Reel

¥240.8

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF

CG6230SM
Littelfuse
1: ¥365.4
1,297In Stock

Mfr. Part #
CG6230SM

Mouser Part #
576-CG6230SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF

Learn More

Datasheet

1,297In Stock

Cut Tape

¥365.4

¥335.5

¥232.5

¥215.9

Reel

¥215.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF

CG675SM
Littelfuse
1: ¥405.3
3,803In Stock

Mfr. Part #
CG675SM

Mouser Part #
576-CG675SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF

Learn More

Datasheet

3,803In Stock

Cut Tape

¥405.3

¥310.6

¥257.5

¥237.5

¥215.9

Reel

¥215.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

CG75L
Littelfuse
1: ¥471.7
1,912In Stock
2,100Expected 11/11/2026

Mfr. Part #
CG75L

Mouser Part #
576-CG75L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

Datasheet

1,912In Stock

2,100Expected 11/11/2026

¥471.7

¥362.1

¥287.4

¥285.7

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

CG75LTR
Littelfuse
1: ¥539.8
1,890In Stock

Mfr. Part #
CG75LTR

Mouser Part #
576-CG75LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM

Datasheet

1,890In Stock

Cut Tape

¥539.8

¥413.6

¥342.2

Reel

¥294

Min.: 1
Mult.: 1

: 500