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 #

ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Uni-Directional

SMCJ100A
Littelfuse
1: ¥151.2
2,280In Stock

Mfr. Part #
SMCJ100A

Mouser Part #
576-SMCJ100A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Uni-Directional

Learn More

Datasheet

2,280In Stock

Cut Tape

¥151.2

¥80.7

¥60.8

¥46.5

Reel

¥31.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Bi-Directional

SMCJ100CA
Littelfuse
1: ¥167.8
3,588In Stock
3,000Expected 5/26/2027

Mfr. Part #
SMCJ100CA

Mouser Part #
576-SMCJ100CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Bi-Directional

Learn More

Datasheet

3,588In Stock

3,000Expected 5/26/2027

Cut Tape

¥167.8

¥80.2

¥68.3

¥52.8

¥47.8

Reel

¥36.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Uni-Directional

SMCJ10A
Littelfuse
1: ¥127.9
2,102In Stock
3,000Expected 5/11/2027

Mfr. Part #
SMCJ10A

Mouser Part #
576-SMCJ10A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Uni-Directional

Learn More

Datasheet

2,102In Stock

3,000Expected 5/11/2027

Cut Tape

¥127.9

¥69.8

¥51.8

¥39.9

Reel

¥31.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional

SMCJ110A
Littelfuse
1: ¥139.5
1,562In Stock
3,000Expected 12/28/2026

Mfr. Part #
SMCJ110A

Mouser Part #
576-SMCJ110A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional

Learn More

Datasheet

1,562In Stock

3,000Expected 12/28/2026

Cut Tape

¥139.5

¥68.9

¥58.5

¥44.3

Reel

¥30.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Bi-Directional

SMCJ110CA
Littelfuse
1: ¥184.4
364In Stock
3,000Expected 10/28/2026

Mfr. Part #
SMCJ110CA

Mouser Part #
576-SMCJ110CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Bi-Directional

Learn More

Datasheet

364In Stock

3,000Expected 10/28/2026

Cut Tape

¥184.4

¥90.2

¥75.2

¥55.8

¥53.2

Reel

¥38.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 11V 5% Uni-Directional

SMCJ11A
Littelfuse
1: ¥131.2
2,725In Stock

Mfr. Part #
SMCJ11A

Mouser Part #
576-SMCJ11A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 11V 5% Uni-Directional

Learn More

Datasheet

2,725In Stock

Cut Tape

¥131.2

¥71.1

¥52.3

¥49

Reel

¥27.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 11V 5% Bi-Directional

SMCJ11CA
Littelfuse
1: ¥162.8
328In Stock
3,000Expected 2/22/2027

Mfr. Part #
SMCJ11CA

Mouser Part #
576-SMCJ11CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 11V 5% Bi-Directional

Learn More

Datasheet

328In Stock

3,000Expected 2/22/2027

Cut Tape

¥162.8

¥82.4

¥65.4

¥50.3

Reel

¥35.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional

SMCJ120A
Littelfuse
1: ¥154.5
148In Stock
12,000Expected 5/18/2027

Mfr. Part #
SMCJ120A

Mouser Part #
576-SMCJ120A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional

Learn More

Datasheet

148In Stock

12,000Expected 5/18/2027

Cut Tape

¥154.5

¥82.7

¥62

¥46.5

Reel

¥31.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional

SMCJ12A
Littelfuse
1: ¥126.2
7,890In Stock
47,700On Order

Mfr. Part #
SMCJ12A

Mouser Part #
576-SMCJ12A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional

Learn More

Datasheet

7,890In Stock

47,700On Order

Cut Tape

¥126.2

¥78.6

¥50.7

¥38.5

Reel

¥29.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Bi-Directional

SMCJ12CA
Littelfuse
1: ¥162.8
1,114In Stock
18,000Expected 10/20/2026

Mfr. Part #
SMCJ12CA

Mouser Part #
576-SMCJ12CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Bi-Directional

Learn More

Datasheet

1,114In Stock

18,000Expected 10/20/2026

Cut Tape

¥162.8

¥97.7

¥65.4

¥50.3

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Bi-Directional

SMCJ130CA
Littelfuse
1: ¥174.4
571In Stock
6,000Expected 4/13/2027

Mfr. Part #
SMCJ130CA

Mouser Part #
576-SMCJ130CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Bi-Directional

Learn More

Datasheet

571In Stock

6,000Expected 4/13/2027

Cut Tape

¥174.4

¥90.4

¥70.9

¥54.6

¥47.8

Reel

¥36.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 13V 5% Uni-Directional

SMCJ13A
Littelfuse
1: ¥131.2
7,605In Stock
6,000Expected 5/26/2027

Mfr. Part #
SMCJ13A

Mouser Part #
576-SMCJ13A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 13V 5% Uni-Directional

Learn More

Datasheet

7,605In Stock

6,000Expected 5/26/2027

Cut Tape

¥131.2

¥75.2

¥52.3

¥39.9

Reel

¥30.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 13V 5% Bi-Directional

SMCJ13CA
Littelfuse
1: ¥147.8
1,243In Stock
3,000Expected 11/19/2026

Mfr. Part #
SMCJ13CA

Mouser Part #
576-SMCJ13CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 13V 5% Bi-Directional

Learn More

Datasheet

1,243In Stock

3,000Expected 11/19/2026

Cut Tape

¥147.8

¥74.1

¥61

¥47.8

¥44.3

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 14V 5% Uni-Directional

SMCJ14A
Littelfuse
1: ¥106.3
3,000In Stock
2,750Expected 9/10/2026

Mfr. Part #
SMCJ14A

Mouser Part #
576-SMCJ14A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 14V 5% Uni-Directional

Learn More

Datasheet

3,000In Stock

2,750Expected 9/10/2026

Cut Tape

¥106.3

¥67.9

¥46.2

¥36.9

Reel

¥29.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 14V 5% Bi-Directional

SMCJ14CA
Littelfuse
1: ¥144.5
3,720In Stock
6,000Expected 9/22/2026

Mfr. Part #
SMCJ14CA

Mouser Part #
576-SMCJ14CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 14V 5% Bi-Directional

Learn More

Datasheet

3,720In Stock

6,000Expected 9/22/2026

Cut Tape

¥144.5

¥74.1

¥60.5

¥47.3

¥45.2

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 150V 5% Uni-Directional

SMCJ150A
Littelfuse
1: ¥159.5
37In Stock
24,000On Order

Mfr. Part #
SMCJ150A

Mouser Part #
576-SMCJ150A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 150V 5% Uni-Directional

Learn More

Datasheet

37In Stock

24,000On Order

Cut Tape

¥159.5

¥73.1

¥62.5

¥47.8

Reel

¥31.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Uni-Directional

SMCJ160A
Littelfuse
1: ¥151.2
1,256In Stock
3,000Expected 10/5/2026

Mfr. Part #
SMCJ160A

Mouser Part #
576-SMCJ160A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Uni-Directional

Learn More

Datasheet

1,256In Stock

3,000Expected 10/5/2026

Cut Tape

¥151.2

¥68.9

¥60.8

¥46.5

Reel

¥31.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional

SMCJ170A
Littelfuse
1: ¥137.9
2,236In Stock
3,000Expected 10/6/2026

Mfr. Part #
SMCJ170A

Mouser Part #
576-SMCJ170A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional

Learn More

Datasheet

2,236In Stock

3,000Expected 10/6/2026

Cut Tape

¥137.9

¥68.9

¥57

¥46.2

Reel

¥30.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Bi-Directional

SMCJ170CA
Littelfuse
1: ¥179.4
76In Stock
15,000On Order

Mfr. Part #
SMCJ170CA

Mouser Part #
576-SMCJ170CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Bi-Directional

Learn More

Datasheet

76In Stock

15,000On Order

Cut Tape

¥179.4

¥93.7

¥72.4

¥54.6

Reel

¥36.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Uni-Directional

SMCJ17A
Littelfuse
1: ¥126.2
2,161In Stock
3,000Expected 11/16/2026

Mfr. Part #
SMCJ17A

Mouser Part #
576-SMCJ17A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Uni-Directional

Learn More

Datasheet

2,161In Stock

3,000Expected 11/16/2026

Cut Tape

¥126.2

¥68.8

¥50.8

¥49

Reel

¥29.9

¥27.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Bi-Directional

SMCJ17CA
Littelfuse
1: ¥162.8
2,123In Stock
3,000Expected 4/29/2027

Mfr. Part #
SMCJ17CA

Mouser Part #
576-SMCJ17CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Bi-Directional

Learn More

Datasheet

2,123In Stock

3,000Expected 4/29/2027

Cut Tape

¥162.8

¥78.6

¥65.4

¥50.2

¥45.2

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Uni-Directional

SMCJ180A
Littelfuse
1: ¥156.1
451In Stock
15,000On Order

Mfr. Part #
SMCJ180A

Mouser Part #
576-SMCJ180A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Uni-Directional

Learn More

Datasheet

451In Stock

15,000On Order

Cut Tape

¥156.1

¥81.7

¥62.8

¥48

¥40.4

Reel

¥31.1

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Uni-Directional

SMCJ18A
Littelfuse
1: ¥127.9
1,983In Stock
9,000Expected 12/7/2026

Mfr. Part #
SMCJ18A

Mouser Part #
576-SMCJ18A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Uni-Directional

Learn More

Datasheet

1,983In Stock

9,000Expected 12/7/2026

Cut Tape

¥127.9

¥75.2

¥50.8

¥38.7

Reel

¥28.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Bi-Directional

SMCJ200CA
Littelfuse
1: ¥187.7
657In Stock
36,000On Order

Mfr. Part #
SMCJ200CA

Mouser Part #
576-SMCJ200CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Bi-Directional

Learn More

Datasheet

657In Stock

36,000On Order

Cut Tape

¥187.7

¥88.5

¥76.4

¥58.8

¥52

Reel

¥36.5

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Uni-Directional

SMCJ20A
Littelfuse
1: ¥124.6
2,646In Stock
3,000Expected 4/5/2027

Mfr. Part #
SMCJ20A

Mouser Part #
576-SMCJ20A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Uni-Directional

Learn More

Datasheet

2,646In Stock

3,000Expected 4/5/2027

Cut Tape

¥124.6

¥68.6

¥50.8

¥38.7

Reel

¥26.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000