Circuit Protection – Mouser Japan

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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.

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Types of Circuit Protection

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Results: 981

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Part #

ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional

SMCJ250CA
Littelfuse
1: ¥217.6
3,160In Stock
6,000Expected 3/2/2027

Mfr. Part #
SMCJ250CA

Mouser Part #
576-SMCJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional

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Datasheet

3,160In Stock

6,000Expected 3/2/2027

Cut Tape

¥217.6

¥115.8

¥93.5

¥74.6

Reel

¥60.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 26V 5% Uni-Directional

SMCJ26A
Littelfuse
1: ¥131.2
7,294In Stock

Mfr. Part #
SMCJ26A

Mouser Part #
576-SMCJ26A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 26V 5% Uni-Directional

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Datasheet

7,294In Stock

Cut Tape

¥131.2

¥72.3

¥54.3

¥41.7

Reel

¥31.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 300V 5% Bi-Directional

SMCJ300CA
Littelfuse
1: ¥247.5
193In Stock
15,000On Order

Mfr. Part #
SMCJ300CA

Mouser Part #
576-SMCJ300CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 300V 5% Bi-Directional

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Datasheet

193In Stock

15,000On Order

Cut Tape

¥247.5

¥132.4

¥103.6

¥81.1

¥73.9

Reel

¥59.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Uni-Directional

SMCJ350A
Littelfuse
1: ¥247.5
187In Stock
12,000On Order

Mfr. Part #
SMCJ350A

Mouser Part #
576-SMCJ350A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Uni-Directional

Learn More

Datasheet

187In Stock

12,000On Order

Cut Tape

¥247.5

¥117.3

¥102.6

¥80.1

Reel

¥55.1

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional

SMCJ350CA
Littelfuse
1: ¥232.5
5In Stock
21,000On Order

Mfr. Part #
SMCJ350CA

Mouser Part #
576-SMCJ350CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional

Learn More

Datasheet

5In Stock

21,000On Order

Cut Tape

¥232.5

¥113.6

¥94.5

¥75.6

Reel

¥55.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Bi-Directional

SMCJ400CA
Littelfuse
1: ¥229.2
21,536In Stock
45,000On Order

Mfr. Part #
SMCJ400CA

Mouser Part #
576-SMCJ400CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Bi-Directional

Learn More

Datasheet

21,536In Stock

45,000On Order

Cut Tape

¥229.2

¥144.8

¥96

¥75.1

¥68.1

Reel

¥59.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 40V 5% Bi-Directional

SMCJ40CA
Littelfuse
1: ¥116.3
6,470In Stock
12,000Expected 5/11/2027

Mfr. Part #
SMCJ40CA

Mouser Part #
576-SMCJ40CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 40V 5% Bi-Directional

Learn More

Datasheet

6,470In Stock

12,000Expected 5/11/2027

Cut Tape

¥116.3

¥68.8

¥53.8

¥43.5

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Uni-Directional

SMCJ43A
Littelfuse
1: ¥124.6
4,070In Stock
3,000Expected 10/7/2026

Mfr. Part #
SMCJ43A

Mouser Part #
576-SMCJ43A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Uni-Directional

Learn More

Datasheet

4,070In Stock

3,000Expected 10/7/2026

Cut Tape

¥124.6

¥68.8

¥52.2

¥39.9

Reel

¥31.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Bi-Directional

SMCJ43CA
Littelfuse
1: ¥144.5
4,914In Stock

Mfr. Part #
SMCJ43CA

Mouser Part #
576-SMCJ43CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Bi-Directional

Learn More

Datasheet

4,914In Stock

Cut Tape

¥144.5

¥74.1

¥65.4

¥50.2

¥45.2

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Uni-Directional

SMCJ440A
Littelfuse
1: ¥207.6
3,320In Stock

Mfr. Part #
SMCJ440A

Mouser Part #
576-SMCJ440A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Uni-Directional

Learn More

Datasheet

3,320In Stock

Cut Tape

¥207.6

¥109

¥94.3

¥74.1

Reel

¥55.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 45V 5% Bi-Directional

SMCJ45CA
Littelfuse
1: ¥161.1
1,340In Stock
3,000Expected 5/26/2027

Mfr. Part #
SMCJ45CA

Mouser Part #
576-SMCJ45CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 45V 5% Bi-Directional

Learn More

Datasheet

1,340In Stock

3,000Expected 5/26/2027

Cut Tape

¥161.1

¥74.1

¥65.4

¥50.2

¥45.2

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 48V 5% Bi-Directional

SMCJ48CA
Littelfuse
1: ¥154.5
741In Stock
9,000On Order

Mfr. Part #
SMCJ48CA

Mouser Part #
576-SMCJ48CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 48V 5% Bi-Directional

Learn More

Datasheet

741In Stock

9,000On Order

Cut Tape

¥154.5

¥78.6

¥63.3

¥50.2

Reel

¥34.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 5V 5% Uni-Directional

SMCJ5.0A
Littelfuse
1: ¥127.9
8,061In Stock
42,000On Order

Mfr. Part #
SMCJ5.0A

Mouser Part #
576-SMCJ5.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 5V 5% Uni-Directional

Learn More

Datasheet

8,061In Stock

42,000On Order

Cut Tape

¥127.9

¥70.4

¥50.8

¥38.7

Reel

¥28.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional

SMCJ51CA
Littelfuse
1: ¥162.8
362In Stock
9,000On Order

Mfr. Part #
SMCJ51CA

Mouser Part #
576-SMCJ51CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional

Learn More

Datasheet

362In Stock

9,000On Order

Cut Tape

¥162.8

¥88.9

¥67.1

¥53.8

¥50.3

Reel

¥35.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 54V 5% Uni-Directional

SMCJ54A
Littelfuse
1: ¥127.9
7,325In Stock
6,000Expected 5/4/2027

Mfr. Part #
SMCJ54A

Mouser Part #
576-SMCJ54A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 54V 5% Uni-Directional

Learn More

Datasheet

7,325In Stock

6,000Expected 5/4/2027

Cut Tape

¥127.9

¥68.4

¥52.3

¥39.9

Reel

¥30.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 54V 5% Bi-Directional

SMCJ54CA
Littelfuse
1: ¥171.1
254In Stock
6,000On Order

Mfr. Part #
SMCJ54CA

Mouser Part #
576-SMCJ54CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 54V 5% Bi-Directional

Learn More

Datasheet

254In Stock

6,000On Order

Cut Tape

¥171.1

¥83.9

¥69.4

¥53.3

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 6V 5% Uni-Directional

SMCJ6.0A
Littelfuse
1: ¥164.4
907In Stock
27,000On Order

Mfr. Part #
SMCJ6.0A

Mouser Part #
576-SMCJ6.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 6V 5% Uni-Directional

Learn More

Datasheet

907In Stock

27,000On Order

Cut Tape

¥164.4

¥80.2

¥66.4

¥51

¥35.9

Reel

¥24.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 6V 5% Bi-Directional

SMCJ6.0CA
Littelfuse
1: ¥149.5
4,540In Stock

Mfr. Part #
SMCJ6.0CA

Mouser Part #
576-SMCJ6.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 6V 5% Bi-Directional

Learn More

Datasheet

4,540In Stock

Cut Tape

¥149.5

¥77.2

¥62

¥48.7

Reel

¥34.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 6.5V 5% Uni-Directional

SMCJ6.5A
Littelfuse
1: ¥127.9
3,684In Stock
6,000Expected 5/11/2027

Mfr. Part #
SMCJ6.5A

Mouser Part #
576-SMCJ6.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 6.5V 5% Uni-Directional

Learn More

Datasheet

3,684In Stock

6,000Expected 5/11/2027

Cut Tape

¥127.9

¥69.4

¥52.3

¥49

Reel

¥31.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 6.5V 5% Bi-Directional

SMCJ6.5CA
Littelfuse
1: ¥167.8
39In Stock
12,000Expected 10/12/2026

Mfr. Part #
SMCJ6.5CA

Mouser Part #
576-SMCJ6.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 6.5V 5% Bi-Directional

Learn More

Datasheet

39In Stock

12,000Expected 10/12/2026

Cut Tape

¥167.8

¥90.4

¥68.3

¥52.5

Reel

¥37.4

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 64V 5% Bi-Directional

SMCJ64CA
Littelfuse
1: ¥147.8
6,089In Stock

Mfr. Part #
SMCJ64CA

Mouser Part #
576-SMCJ64CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 64V 5% Bi-Directional

Learn More

Datasheet

6,089In Stock

Cut Tape

¥147.8

¥74.1

¥61.1

¥48

¥45.2

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 7V 5% Uni-Directional

SMCJ7.0A
Littelfuse
1: ¥127.9
7,403In Stock

Mfr. Part #
SMCJ7.0A

Mouser Part #
576-SMCJ7.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 7V 5% Uni-Directional

Learn More

Datasheet

7,403In Stock

Cut Tape

¥127.9

¥70.4

¥51.8

¥39.9

Reel

¥31.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 7V 5% Bi-Directional

SMCJ7.0CA
Littelfuse
1: ¥167.8
345In Stock
9,000On Order

Mfr. Part #
SMCJ7.0CA

Mouser Part #
576-SMCJ7.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 7V 5% Bi-Directional

Learn More

Datasheet

345In Stock

9,000On Order

Cut Tape

¥167.8

¥81.7

¥68.3

¥47.8

¥45.2

Reel

¥33.6

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 7.5V 5% Uni-Directional

SMCJ7.5A
Littelfuse
1: ¥164.4
255In Stock
6,000On Order

Mfr. Part #
SMCJ7.5A

Mouser Part #
576-SMCJ7.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 7.5V 5% Uni-Directional

Learn More

Datasheet

255In Stock

6,000On Order

Cut Tape

¥164.4

¥76.1

¥66.4

¥51

¥34.9

Reel

¥29.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 70V 5% Uni-Directional

SMCJ70A
Littelfuse
1: ¥126.2
120In Stock
15,000Expected 10/26/2026

Mfr. Part #
SMCJ70A

Mouser Part #
576-SMCJ70A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 70V 5% Uni-Directional

Learn More

Datasheet

120In Stock

15,000Expected 10/26/2026

Cut Tape

¥126.2

¥78.6

¥50.7

¥38.5

Reel

¥29.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000