Circuit Protection – Mouser Japan

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AC Protection & Motor Control in HVAC Solutions

Littelfuse AC Protection and Motor Control in HVAC Solutions are essential to improve energy efficiency in commercial and industrial buildings. These solutions include fuses, surge protection devices, voltage monitors, transducers, sensors, and time delay relays. Littelfuse AC Protection and Motor Control in HVAC products are designed for control units, rectifiers, inverters, communication interfaces, and user interfaces.

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Types of Circuit Protection

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Results: 1,997

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Part #

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

KLKR025.T
Littelfuse
1: ¥5,343.4
150In Stock

Mfr. Part #
KLKR025.T

Mouser Part #
576-KLKR025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 300VDC Fast Acting

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Datasheet

150In Stock

¥5,343.4

¥4,669.1

¥4,029.6

¥3,652.5

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS150.V
Littelfuse
1: ¥16,297.7
147In Stock

Mfr. Part #
L50QS150.V

Mouser Part #
576-L50QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

147In Stock

¥16,297.7

¥13,592

¥12,542.2

¥10,595.5

¥9,755.1

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS200.V
Littelfuse
1: ¥16,651.5
39In Stock

Mfr. Part #
L50QS200.V

Mouser Part #
576-L50QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

39In Stock

¥16,651.5

¥13,831.1

¥12,808

¥10,595.5

¥9,755.1

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS250.V
Littelfuse
1: ¥25,993
23In Stock

Mfr. Part #
L50QS250.V

Mouser Part #
576-L50QS250.V

Littelfuse

Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

23In Stock

¥25,993

¥22,541.4

¥20,819

¥16,430.6

¥15,123.4

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS300.V
Littelfuse
1: ¥25,642.5
27In Stock
33Expected 10/5/2026

Mfr. Part #
L50QS300.V

Mouser Part #
576-L50QS300.V

Littelfuse

Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

27In Stock

33Expected 10/5/2026

¥25,642.5

¥21,553.1

¥19,872.2

¥16,284.4

¥15,123.4

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: ¥37,973.8
56In Stock

Mfr. Part #
L50QS600.X

Mouser Part #
576-L50QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

56In Stock

¥37,973.8

¥31,613.8

¥28,826.7

¥25,428.2

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS150.V
Littelfuse
1: ¥30,791.6
18In Stock

Mfr. Part #
L70QS150.V

Mouser Part #
576-L70QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

18In Stock

¥30,791.6

¥26,107.6

¥24,104.4

¥19,453.6

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS300.X
Littelfuse
1: ¥44,049.7
10In Stock

Mfr. Part #
L70QS300.X

Mouser Part #
576-L70QS300.X

Littelfuse

Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

10In Stock

¥44,049.7

¥37,422.3

¥32,962.5

¥28,497.8

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, U.S. SENSOR

SM103J1F
Littelfuse
1: ¥245.8
2,450In Stock
2,500Expected 10/5/2026

Mfr. Part #
SM103J1F

Mouser Part #
576-SM103J1F

Littelfuse

NTC Thermistors THERMISTOR, U.S. SENSOR

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Datasheet

2,450In Stock

2,500Expected 10/5/2026

Cut Tape

¥245.8

¥234.2

¥219.3

¥209.3

View

Reel

¥166.1

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Industrial & Electrical Fuses 900V FAST BLOW 800A

PSR073UL0800X
Littelfuse
1: ¥100,412.4
3In Stock
3Expected 3/11/2027

Mfr. Part #
PSR073UL0800X

Mouser Part #
576-PSR073UL0800X

Littelfuse

Industrial & Electrical Fuses 900V FAST BLOW 800A

Datasheet

3In Stock

3Expected 3/11/2027

¥100,412.4

¥83,162.9

¥76,621.9

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA100A
Littelfuse
1: ¥1,955
304In Stock

Mfr. Part #
15KPA100A

Mouser Part #
576-15KPA100A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

304In Stock

Cut Tape

¥1,955

¥1,159.4

¥1,121.2

¥1,046.4

Reel

¥1,046.4

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA100CA
Littelfuse
1: ¥1,908.5
1,058In Stock

Mfr. Part #
15KPA100CA

Mouser Part #
576-15KPA100CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

1,058In Stock

Cut Tape

¥1,908.5

¥1,159.4

¥1,121.2

¥1,046.4

Reel

¥1,046.4

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA110A
Littelfuse
1: ¥1,790.6
525In Stock

Mfr. Part #
15KPA110A

Mouser Part #
576-15KPA110A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

525In Stock

Cut Tape

¥1,790.6

¥1,187.6

¥1,169.3

¥1,151.1

Reel

¥1,064.7

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA110CA
Littelfuse
1: ¥1,715.8
577In Stock

Mfr. Part #
15KPA110CA

Mouser Part #
576-15KPA110CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

577In Stock

Cut Tape

¥1,715.8

¥1,083

¥1,046.4

Reel

¥1,046.4

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA120CA
Littelfuse
1: ¥2,101.2
903In Stock

Mfr. Part #
15KPA120CA

Mouser Part #
576-15KPA120CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

903In Stock

Cut Tape

¥2,101.2

¥1,390.3

¥1,317.2

¥1,099.6

Reel

¥1,046.4

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA150CA
Littelfuse
1: ¥2,352
836In Stock

Mfr. Part #
15KPA150CA

Mouser Part #
576-15KPA150CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

836In Stock

Cut Tape

¥2,352

¥1,401.9

¥1,308.9

Reel

¥1,308.9

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA170CA
Littelfuse
1: ¥2,551.3
760In Stock

Mfr. Part #
15KPA170CA

Mouser Part #
576-15KPA170CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

760In Stock

Cut Tape

¥2,551.3

¥1,739.1

¥1,566.3

¥1,438.4

Reel

¥1,408.5

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA17A
Littelfuse
1: ¥1,546.4
337In Stock

Mfr. Part #
15KPA17A

Mouser Part #
576-15KPA17A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

337In Stock

Cut Tape

¥1,546.4

¥911.9

¥842.1

¥785.7

Reel

¥785.7

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA180CA
Littelfuse
1: ¥2,352
281In Stock

Mfr. Part #
15KPA180CA

Mouser Part #
576-15KPA180CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

281In Stock

Cut Tape

¥2,352

¥1,401.9

¥1,308.9

Reel

¥1,308.9

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA240CA
Littelfuse
1: ¥2,345.3
288In Stock

Mfr. Part #
15KPA240CA

Mouser Part #
576-15KPA240CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

288In Stock

Cut Tape

¥2,345.3

¥1,401.9

¥1,308.9

Reel

¥1,308.9

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA24CA
Littelfuse
1: ¥1,687.6
1,381In Stock

Mfr. Part #
15KPA24CA

Mouser Part #
576-15KPA24CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

1,381In Stock

Cut Tape

¥1,687.6

¥1,092.9

¥988.3

¥825.5

Reel

¥823.9

View

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA26A
Littelfuse
1: ¥1,504.9
370In Stock

Mfr. Part #
15KPA26A

Mouser Part #
576-15KPA26A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

370In Stock

Cut Tape

¥1,504.9

¥911.9

¥842.1

¥785.7

Reel

¥785.7

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA26CA
Littelfuse
1: ¥1,546.4
1,572In Stock

Mfr. Part #
15KPA26CA

Mouser Part #
576-15KPA26CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

1,572In Stock

Cut Tape

¥1,546.4

¥911.9

¥842.1

¥785.7

Reel

¥785.7

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA28A
Littelfuse
1: ¥1,873.6
693In Stock

Mfr. Part #
15KPA28A

Mouser Part #
576-15KPA28A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

693In Stock

Cut Tape

¥1,873.6

¥1,227.5

¥1,121.2

¥971.7

Reel

¥970

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA30A
Littelfuse
1: ¥1,926.8
1,162In Stock
800Expected 2/15/2027

Mfr. Part #
15KPA30A

Mouser Part #
576-15KPA30A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

1,162In Stock

800Expected 2/15/2027

Cut Tape

¥1,926.8

¥1,159.4

¥1,121.2

¥1,046.4

Reel

¥1,046.4

Min.: 1
Mult.: 1

: 800