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 1.6A Slo-Blo

031301.6MXP
Littelfuse
1: ¥262.4
1,317In Stock

Mfr. Part #
031301.6MXP

Mouser Part #
576-031301.6MXP

Littelfuse

Cartridge Fuses 250V 1.6A Slo-Blo

Learn More

Datasheet

1,317In Stock

¥262.4

¥217.6

¥201

¥167.8

View

Min.: 1
Mult.: 1

Varistors 50V 7mm Epoxy UltraMOV

V07E50P
Littelfuse
1: ¥33.2
9,588In Stock

Mfr. Part #
V07E50P

Mouser Part #
576-V07E50P

Littelfuse

Varistors 50V 7mm Epoxy UltraMOV

Learn More

Datasheet

9,588In Stock

¥33.2

¥24.3

¥23.4

¥23.3

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 75V NOMINAL SMT

CG75LS
Littelfuse
1: ¥490
706In Stock

Mfr. Part #
CG75LS

Mouser Part #
576-CG75LS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 75V NOMINAL SMT

Datasheet

706In Stock

Cut Tape

¥490

¥408.6

¥342.2

Reel

¥274.1

¥255.8

MouseReel Available

Min.: 1
Mult.: 1

: 500

Thyristor Surge Protection Devices - TSPD 50A 140V

P1500SALRP
Littelfuse
1: ¥274.1
1,848In Stock

Mfr. Part #
P1500SALRP

Mouser Part #
576-P1500SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 140V

Learn More

Datasheet

1,848In Stock

Cut Tape

¥274.1

¥174.4

¥115.4

¥90.7

¥82.7

Reel

¥72.3

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD 500A 190V

P2300SALRP
Littelfuse
1: ¥274.1
2,400In Stock

Mfr. Part #
P2300SALRP

Mouser Part #
576-P2300SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 190V

Learn More

Datasheet

2,400In Stock

Cut Tape

¥274.1

¥147.5

¥109

¥90.7

¥82.7

Reel

¥72.3

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN

SP3530-01UTG
Littelfuse
1: ¥41.5
13,760In Stock

Mfr. Part #
SP3530-01UTG

Mouser Part #
576-SP3530-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN

Learn More

Datasheet

13,760In Stock

Cut Tape

¥41.5

¥19.3

¥14.6

¥11.8

View

Reel

¥7.6

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 50V 2POLE AXIAL LEADS GDT

GTCA26-501M-R05
Littelfuse
1: ¥453.5
771In Stock

Mfr. Part #
GTCA26-501M-R05

Mouser Part #
650-GTCA26-501M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 50V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

771In Stock

¥453.5

¥347.1

¥287.4

¥267.4

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE AXIAL LEADS GDT

GTCA28-750M-R10
Littelfuse
1: ¥250.8
813In Stock
1,000Expected 8/27/2026

Mfr. Part #
GTCA28-750M-R10

Mouser Part #
650-GTCA28-750M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

813In Stock

1,000Expected 8/27/2026

¥250.8

¥210.9

¥194.3

¥192.7

View

Min.: 1
Mult.: 1

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

CG90
Littelfuse
1: ¥458.4
700In Stock

Mfr. Part #
CG90

Mouser Part #
576-CG90

Littelfuse

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

Datasheet

700In Stock

¥458.4

¥315.6

¥274.1

¥260.8

¥240.8

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 50A 320V

P3500SALRP
Littelfuse
1: ¥274.1
2,876In Stock

Mfr. Part #
P3500SALRP

Mouser Part #
576-P3500SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 320V

Learn More

Datasheet

2,876In Stock

Cut Tape

¥274.1

¥174.4

¥115.4

¥90.7

¥82.7

Reel

¥72.3

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 35V 10mm Epoxy UltraMOV

V10E35P
Littelfuse
1: ¥86.4
4,384In Stock

Mfr. Part #
V10E35P

Mouser Part #
576-V10E35P

Littelfuse

Varistors 35V 10mm Epoxy UltraMOV

Learn More

Datasheet

4,384In Stock

¥86.4

¥61.1

¥54.8

¥47.7

View

Min.: 1
Mult.: 1

Varistors 275V 14mm Epoxy UltraMOV

V14E275PL1T
Littelfuse
1: ¥101.3
2,904In Stock

Mfr. Part #
V14E275PL1T

Mouser Part #
576-V14E275PL1T

Littelfuse

Varistors 275V 14mm Epoxy UltraMOV

Learn More

Datasheet

2,904In Stock

Cut Tape

¥101.3

¥73.9

¥66.8

¥58.5

Reel

¥45.2

View

Min.: 1
Mult.: 1

: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 350V2POLE SMT GDT

GTCS26-351M-R05-2
Littelfuse
1: ¥157.8
1,463In Stock

Mfr. Part #
GTCS26-351M-R05-2

Mouser Part #
650-GTCS26-351M-R052

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 350V2POLE SMT GDT

Learn More

Datasheet

1,463In Stock

Cut Tape

¥157.8

¥125.6

¥106.6

¥101.8

Reel

¥98.5

¥97.7

MouseReel Available

Min.: 1
Mult.: 1

: 750

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 230V 3POLE SMT GDT

GTCS35-231M-R05
Littelfuse
1: ¥274.1
2,130In Stock

Mfr. Part #
GTCS35-231M-R05

Mouser Part #
650-GTCS35-231M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 230V 3POLE SMT GDT

Learn More

Datasheet

2,130In Stock

¥274.1

¥209.3

¥174.4

¥159.8

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .175A Slo-Blo 3AG

0313.175MXP
Littelfuse
1: ¥337.2
850In Stock

Mfr. Part #
0313.175MXP

Mouser Part #
576-0313.175MXP

Littelfuse

Cartridge Fuses 250V .175A Slo-Blo 3AG

Learn More

Datasheet

850In Stock

¥337.2

¥285.7

¥265.8

¥219.3

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2.25A Slo-Blo

03132.25HXP
Littelfuse
1: ¥274.1
1,161In Stock

Mfr. Part #
03132.25HXP

Mouser Part #
576-03132.25HXP

Littelfuse

Cartridge Fuses 250V 2.25A Slo-Blo

Learn More

Datasheet

1,161In Stock

¥274.1

¥184.4

¥174.4

¥147.5

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term

SG350
Littelfuse
1: ¥237.5
1,995In Stock

Mfr. Part #
SG350

Mouser Part #
576-SG350

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term

Learn More

Datasheet

1,995In Stock

Cut Tape

¥237.5

¥181

¥150.2

¥138.7

Reel

¥105.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 60V 20mm Epoxy UltraMOV

V20E60P
Littelfuse
1: ¥108
2,857In Stock

Mfr. Part #
V20E60P

Mouser Part #
576-V20E60P

Littelfuse

Varistors 60V 20mm Epoxy UltraMOV

Learn More

Datasheet

2,857In Stock

¥108

¥77.4

¥69.6

¥61

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

GTCR36-231M-R10
Littelfuse
1: ¥451.8
1,042In Stock

Mfr. Part #
GTCR36-231M-R10

Mouser Part #
650-GTCR36-231M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

Learn More

Datasheet

1,042In Stock

¥451.8

¥347.1

¥285.7

¥264.1

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V .175A Slo-Blo 3AG

0313.175HXP
Littelfuse
1: ¥350.5
719In Stock

Mfr. Part #
0313.175HXP

Mouser Part #
576-0313.175HXP

Littelfuse

Cartridge Fuses 250V .175A Slo-Blo 3AG

Learn More

Datasheet

719In Stock

¥350.5

¥292.3

¥269.1

¥230.9

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.8A Slo-Blo

031301.8MXP
Littelfuse
1: ¥264.1
1,007In Stock

Mfr. Part #
031301.8MXP

Mouser Part #
576-031301.8MXP

Littelfuse

Cartridge Fuses 250V 1.8A Slo-Blo

Learn More

Datasheet

1,007In Stock

¥264.1

¥219.3

¥202.6

¥169.4

View

Min.: 1
Mult.: 1

Varistors 11V 7mm Epoxy UltraMOV

V07E11P
Littelfuse
1: ¥68.1
4,444In Stock

Mfr. Part #
V07E11P

Mouser Part #
576-V07E11P

Littelfuse

Varistors 11V 7mm Epoxy UltraMOV

Learn More

Datasheet

4,444In Stock

¥68.1

¥47.2

¥42.2

¥37

View

Min.: 1
Mult.: 1

Varistors 50V 10mm Epoxy UltraMOV

V10E50P
Littelfuse
1: ¥63.1
5,457In Stock

Mfr. Part #
V10E50P

Mouser Part #
576-V10E50P

Littelfuse

Varistors 50V 10mm Epoxy UltraMOV

Learn More

Datasheet

5,457In Stock

¥63.1

¥44.3

¥39.7

¥34.4

View

Min.: 1
Mult.: 1

Varistors 250V 14mm Epoxy UltraMOV

V14E250PL2T1
Littelfuse
1: ¥91.4
2,573In Stock

Mfr. Part #
V14E250PL2T1

Mouser Part #
576-V14E250PL2T1

Littelfuse

Varistors 250V 14mm Epoxy UltraMOV

Learn More

Datasheet

2,573In Stock

Cut Tape

¥91.4

¥76.6

¥70.1

¥61.3

Reel

¥45.3

View

Min.: 1
Mult.: 1

: 500

Varistors 300V 14mm Epoxy UltraMOV

V14E300PL1T
Littelfuse
1: ¥94.7
3,592In Stock

Mfr. Part #
V14E300PL1T

Mouser Part #
576-V14E300PL1T

Littelfuse

Varistors 300V 14mm Epoxy UltraMOV

Learn More

Datasheet

3,592In Stock

Cut Tape

¥94.7

¥79.6

¥72.6

¥63.5

Reel

¥47

View

Min.: 1
Mult.: 1

: 400