Circuit Protection – Mouser Japan

Skip to Main Content

Part of the TTI Family of Specialists Contact Mouser 0120-954-990 Feedback

Change Location

JPY

In Stock RoHS

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

Renewable Energy Solutions

Littelfuse provides a wide range of renewable energy solutions that include high-speed fuses, fast-acting relays, surge protection devices, and temperature sensors. These products from Littelfuse are designed to protect equipment from arc-flashes and fault conditions caused by equipment failure, phase-to-phase or ground faults, insulation breakdown, or temperature extremes. This selection of fuses, relays, surge protection devices, and temperature sensors can be found and used in Battery Energy Storage Systems (BESS), Solar/Photovoltaic (PV) energy solutions, and wind turbines.

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

Types of Circuit Protection

List Images

Results: 336

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 #

NTC Thermistors 10K OHM 10% DO-35

103JG1KE
Littelfuse
1: ¥48.2
12,699In Stock

Mfr. Part #
103JG1KE

Mouser Part #
803-103JG1KE

NTC Thermistors 10K OHM 10% DO-35

Datasheet

12,699In Stock

Cut Tape

¥48.2

¥44.3

¥39

¥37.2

View

Reel

¥23.9

Min.: 1
Mult.: 1

: 5,000

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS200.V
Littelfuse
1: ¥27,803.5
65In Stock

Mfr. Part #
L70QS200.V

Mouser Part #
576-L70QS200.V

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

Datasheet

65In Stock

¥27,803.5

¥23,636

¥21,059.8

¥18,307.5

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS090.T
Littelfuse
1: ¥9,512.5
62In Stock

Mfr. Part #
L50QS090.T

Mouser Part #
576-L50QS090.T

Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

62In Stock

¥9,512.5

¥8,391.4

¥6,841.7

¥6,678.9

¥6,124.1

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS600.X
Littelfuse
1: ¥58,462.2
16In Stock

Mfr. Part #
L70QS600.X

Mouser Part #
576-L70QS600.X

Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED

Datasheet

16In Stock

¥58,462.2

¥49,710.4

Min.: 1
Mult.: 1

NTC Thermistors NTC THRM GLASS BEAD 3977 30K 10%

GS303J1K
Littelfuse
1: ¥229.2
2,729In Stock

Mfr. Part #
GS303J1K

Mouser Part #
576-GS303J1K

NTC Thermistors NTC THRM GLASS BEAD 3977 30K 10%

Datasheet

2,729In Stock

¥229.2

¥219.3

¥206

¥196

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A

L75QS080.V
Littelfuse
1: ¥19,553.3
24In Stock

Mfr. Part #
L75QS080.V

Mouser Part #
576-L75QS080.V

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A

Datasheet

24In Stock

¥19,553.3

¥16,066.9

¥15,630

Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A

PSX1XLDB0630X
Littelfuse
1: ¥119,593.7
9In Stock

Mfr. Part #
PSX1XLDB0630X

Mouser Part #
576-PSX1XLDB0630X

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A

Datasheet

9In Stock

¥119,593.7

¥101,792.7

¥86,117.9

Quote

Min.: 1
Mult.: 1

PTC Thermistors 1.6K OHM 5% DO-35

162PS1J
Littelfuse
1: ¥996.6
197In Stock

Mfr. Part #
162PS1J

Mouser Part #
803-162PS1J

PTC Thermistors 1.6K OHM 5% DO-35

Datasheet

197In Stock

¥996.6

¥855.4

¥747.5

¥696

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 30A 250VAC 250VDC FF L25S POWR-SPEED

L25S030.T
Littelfuse
1: ¥6,683.9
38In Stock

Mfr. Part #
L25S030.T

Mouser Part #
576-L25S030.T

Industrial & Electrical Fuses 30A 250VAC 250VDC FF L25S POWR-SPEED

Datasheet

38In Stock

¥6,683.9

¥5,546.1

¥5,117.5

¥4,325.2

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, U.S. SENS

205V4G1K
Littelfuse
1: ¥187.7
490In Stock

Mfr. Part #
205V4G1K

Mouser Part #
803-205V4G1K

NTC Thermistors THERMISTOR, U.S. SENS

Datasheet

490In Stock

¥187.7

¥177.7

¥150.7

¥141.5

View

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 33K OHM 10% DO41

333RH1K
Littelfuse
1: ¥305.6
499In Stock

Mfr. Part #
333RH1K

Mouser Part #
803-333RH1K

NTC Thermistors NTC THERMISTOR 33K OHM 10% DO41

Datasheet

499In Stock

¥305.6

¥290.7

¥282.4

¥118.6

Min.: 1
Mult.: 1

NTC Thermistors 10K OHM 10% EPOXY COATED

DC103G2K
Littelfuse
1: ¥235.9
189In Stock

Mfr. Part #
DC103G2K

Mouser Part #
803-DC103G2K

NTC Thermistors 10K OHM 10% EPOXY COATED

Datasheet

189In Stock

¥235.9

¥177.7

¥141.7

¥133.2

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR

KC103J2F
Littelfuse
1: ¥697.6
4,396In Stock

Mfr. Part #
KC103J2F

Mouser Part #
576-KC103J2F

NTC Thermistors THERMISTOR

Datasheet

4,396In Stock

¥697.6

¥624.5

¥598

¥566.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS450.X
Littelfuse
1: ¥62,848.9
5In Stock

Mfr. Part #
L70QS450.X

Mouser Part #
576-L70QS450.X

Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED

Datasheet

5In Stock

¥62,848.9

¥53,721.7

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

L75QS200.V
Littelfuse
1: ¥28,447.9
73In Stock

Mfr. Part #
L75QS200.V

Mouser Part #
576-L75QS200.V

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

Datasheet

73In Stock

¥28,447.9

¥22,591.3

¥20,166.2

¥17,739.5

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 750V

L75QS040.V
Littelfuse
1: ¥16,746.2
79In Stock

Mfr. Part #
L75QS040.V

Mouser Part #
576-L75QS040.V

Industrial & Electrical Fuses 40A 750V

Datasheet

79In Stock

¥16,746.2

¥13,447.5

¥12,027.3

¥10,741.7

¥10,289.9

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR P/

105V3G1K
Littelfuse
1: ¥250.8
373In Stock

Mfr. Part #
105V3G1K

Mouser Part #
803-105V3G1K

NTC Thermistors THERMISTOR, US SENSOR P/

Datasheet

373In Stock

¥250.8

¥189.4

¥150.7

¥141.5

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR

222E1G1K
Littelfuse
1: ¥149.5
90In Stock

Mfr. Part #
222E1G1K

Mouser Part #
803-222E1G1K

NTC Thermistors THERMISTOR, US SENSOR

Datasheet

90In Stock

¥149.5

¥113.9

¥98.2

¥94.7

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR

503JL1A
Littelfuse
1: ¥294
206In Stock

Mfr. Part #
503JL1A

Mouser Part #
803-503JL1A

NTC Thermistors THERMISTOR, US SENSOR

Datasheet

206In Stock

¥294

¥280.7

¥237.5

¥232.5

View

Min.: 1
Mult.: 1

NTC Thermistors NTC THRM GLASS BEAD 3047 100 10%

GS201B1K
Littelfuse
1: ¥275.7
17In Stock
500Expected 10/12/2026

Mfr. Part #
GS201B1K

Mouser Part #
576-GS201B1K

NTC Thermistors NTC THRM GLASS BEAD 3047 100 10%

Datasheet

17In Stock

500Expected 10/12/2026

¥275.7

¥262.4

¥206

¥196

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

L75QS125.V
Littelfuse
1: ¥28,205.4
61In Stock

Mfr. Part #
L75QS125.V

Mouser Part #
576-L75QS125.V

Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

Datasheet

61In Stock

¥28,205.4

¥22,813.8

¥20,458.5

¥18,332.5

Min.: 1
Mult.: 1

NTC Thermistors 1K OHM 10%

102FH1K
Littelfuse
1: ¥229.2
267In Stock

Mfr. Part #
102FH1K

Mouser Part #
803-102FH1K

NTC Thermistors 1K OHM 10%

Datasheet

267In Stock

¥229.2

¥172.7

¥137.4

¥129.1

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR

LC302J2J
Littelfuse
1: ¥317.3
458In Stock

Mfr. Part #
LC302J2J

Mouser Part #
803-LC302J2J

NTC Thermistors THERMISTOR, US SENSOR

Datasheet

458In Stock

¥317.3

¥244.2

¥204.3

¥199.3

View

Min.: 1
Mult.: 1

NTC Thermistors 100K 1 DEG C DO-35

104JM1A
Littelfuse
1: ¥172.7
5In Stock

Mfr. Part #
104JM1A

Mouser Part #
803-104JM1A

NTC Thermistors 100K 1 DEG C DO-35

Datasheet

5In Stock

¥172.7

¥135.9

¥127.2

¥121.4

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED

L25S600.V
Littelfuse
1: ¥18,800.9
9In Stock

Mfr. Part #
L25S600.V

Mouser Part #
576-L25S600.V

Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED

Datasheet

9In Stock

¥18,800.9

¥15,593.5

¥15,402.5

¥13,811.2

¥12,764.8

Min.: 1
Mult.: 1