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 24V 5% Bi-Directional

SMCJ24CA
Littelfuse
1: ¥161.1
19,852In Stock

Mfr. Part #
SMCJ24CA

Mouser Part #
576-SMCJ24CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Bi-Directional

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Datasheet

19,852In Stock

Cut Tape

¥161.1

¥74.1

¥65.4

¥50.2

¥46.5

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ26CA
Littelfuse
1: ¥159.5
28,827In Stock

Mfr. Part #
SMCJ26CA

Mouser Part #
576-SMCJ26CA

Littelfuse

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

Learn More

Datasheet

28,827In Stock

Cut Tape

¥159.5

¥73.7

¥65.1

¥50

¥46.5

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 28V 5% Uni-Directional

SMCJ28A
Littelfuse
1: ¥124.6
31,419In Stock
30,000Expected 4/7/2027

Mfr. Part #
SMCJ28A

Mouser Part #
576-SMCJ28A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 28V 5% Uni-Directional

Learn More

Datasheet

31,419In Stock

30,000Expected 4/7/2027

Cut Tape

¥124.6

¥69.6

¥52.3

¥39.9

Reel

¥29.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 28V 5% Bi-Directional

SMCJ28CA
Littelfuse
1: ¥159.5
20,678In Stock
15,000Expected 5/18/2027

Mfr. Part #
SMCJ28CA

Mouser Part #
576-SMCJ28CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 28V 5% Bi-Directional

Learn More

Datasheet

20,678In Stock

15,000Expected 5/18/2027

Cut Tape

¥159.5

¥74.1

¥62.5

¥49.3

¥44.5

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ300A
Littelfuse
1: ¥191
24,186In Stock

Mfr. Part #
SMCJ300A

Mouser Part #
576-SMCJ300A

Littelfuse

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

Learn More

Datasheet

24,186In Stock

Cut Tape

¥191

¥109

¥88.2

¥74.1

Reel

¥55.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional

SMCJ30A
Littelfuse
1: ¥127.9
25,430In Stock
9,000Expected 9/1/2026

Mfr. Part #
SMCJ30A

Mouser Part #
576-SMCJ30A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional

Learn More

Datasheet

25,430In Stock

9,000Expected 9/1/2026

Cut Tape

¥127.9

¥75.2

¥49.3

¥38.7

Reel

¥29.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Uni-Directional

SMCJ33A
Littelfuse
1: ¥131.2
17,143In Stock
45,000On Order

Mfr. Part #
SMCJ33A

Mouser Part #
576-SMCJ33A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Uni-Directional

Learn More

Datasheet

17,143In Stock

45,000On Order

Cut Tape

¥131.2

¥71.1

¥52.3

¥39.9

Reel

¥30.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Bi-Directional

SMCJ33CA
Littelfuse
1: ¥161.1
37,306In Stock
38,788Expected 9/2/2026

Mfr. Part #
SMCJ33CA

Mouser Part #
576-SMCJ33CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Bi-Directional

Learn More

Datasheet

37,306In Stock

38,788Expected 9/2/2026

Cut Tape

¥161.1

¥100.8

¥65.3

¥50

Reel

¥38.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ400A
Littelfuse
1: ¥192.7
5,449In Stock
6,000Expected 11/2/2026

Mfr. Part #
SMCJ400A

Mouser Part #
576-SMCJ400A

Littelfuse

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

Learn More

Datasheet

5,449In Stock

6,000Expected 11/2/2026

Cut Tape

¥192.7

¥109

¥90.2

¥71.6

Reel

¥55.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ40A
Littelfuse
1: ¥126.2
9,873In Stock

Mfr. Part #
SMCJ40A

Mouser Part #
576-SMCJ40A

Littelfuse

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

Learn More

Datasheet

9,873In Stock

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 40V 5% Bi-Directional

SMCJ40CA
Littelfuse
1: ¥116.3
6,920In 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

6,920In 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 5V 5% Uni-Directional

SMCJ5.0A
Littelfuse
1: ¥127.9
18,437In 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

18,437In 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 58V 5% Bi-Directional

SMCJ58CA
Littelfuse
1: ¥144.5
24,534In Stock

Mfr. Part #
SMCJ58CA

Mouser Part #
576-SMCJ58CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 58V 5% Bi-Directional

Learn More

Datasheet

24,534In Stock

Cut Tape

¥144.5

¥74.1

¥60.6

¥47.5

¥45.2

Reel

¥33.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 60V 5% Uni-Directional

SMCJ60A
Littelfuse
1: ¥131.2
10,618In Stock

Mfr. Part #
SMCJ60A

Mouser Part #
576-SMCJ60A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 60V 5% Uni-Directional

Learn More

Datasheet

10,618In Stock

Cut Tape

¥131.2

¥71.1

¥52.3

¥39.9

Reel

¥29.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 60V 5% Bi-Directional

SMCJ60CA
Littelfuse
1: ¥156.1
13,996In Stock
12,000Expected 3/9/2027

Mfr. Part #
SMCJ60CA

Mouser Part #
576-SMCJ60CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 60V 5% Bi-Directional

Learn More

Datasheet

13,996In Stock

12,000Expected 3/9/2027

Cut Tape

¥156.1

¥88.9

¥66.6

¥55

Reel

¥37.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ64A
Littelfuse
1: ¥127.9
25,390In Stock

Mfr. Part #
SMCJ64A

Mouser Part #
576-SMCJ64A

Littelfuse

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

Learn More

Datasheet

25,390In Stock

Cut Tape

¥127.9

¥75.2

¥52.3

¥39.9

Reel

¥31.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ7.5CA
Littelfuse
1: ¥166.1
10,202In Stock

Mfr. Part #
SMCJ7.5CA

Mouser Part #
576-SMCJ7.5CA

Littelfuse

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

Learn More

Datasheet

10,202In Stock

Cut Tape

¥166.1

¥77.2

¥66.6

¥51.2

Reel

¥34.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 78V 5% Bi-Directional

SMCJ78CA
Littelfuse
1: ¥147.8
7,324In Stock
12,000Expected 5/18/2027

Mfr. Part #
SMCJ78CA

Mouser Part #
576-SMCJ78CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 78V 5% Bi-Directional

Learn More

Datasheet

7,324In Stock

12,000Expected 5/18/2027

Cut Tape

¥147.8

¥78.6

¥61.6

¥48.2

Reel

¥34.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection

SP2502LBTG
Littelfuse
1: ¥531.5
3,599In Stock
5,000Expected 11/16/2026

Mfr. Part #
SP2502LBTG

Mouser Part #
576-SP2502LBTG

Littelfuse

ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection

Learn More

Datasheet

3,599In Stock

5,000Expected 11/16/2026

Cut Tape

¥531.5

¥315.6

¥235.9

¥199.3

Reel

¥159.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array

SP3019-04HTG
Littelfuse
1: ¥171.1
12,146In Stock

Mfr. Part #
SP3019-04HTG

Mouser Part #
576-SP3019-04HTG

Littelfuse

ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array

Learn More

Datasheet

12,146In Stock

Cut Tape

¥171.1

¥80.2

¥67.3

¥53.3

¥50.5

Reel

¥36.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

SP3522-01ETG
Littelfuse
1: ¥71.4
82,170In Stock

Mfr. Part #
SP3522-01ETG

Mouser Part #
576-SP3522-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

Learn More

Datasheet

82,170In Stock

Cut Tape

¥71.4

¥33.4

¥25.6

¥19.6

Reel

¥11.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: ¥762.4
6,083In Stock
6,000Expected 11/23/2026

Mfr. Part #
SP4042-02UTG

Mouser Part #
576-SP4042-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Learn More

Datasheet

6,083In Stock

6,000Expected 11/23/2026

Cut Tape

¥762.4

¥415.3

¥368.7

¥318.9

¥294

Reel

¥244.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4044-04ATG
Littelfuse
1: ¥210.9
8,651In Stock

Mfr. Part #
SP4044-04ATG

Mouser Part #
576-SP4044-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

8,651In Stock

Cut Tape

¥210.9

¥145.2

¥119.4

¥99

View

Reel

¥69.6

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4045-04ATG
Littelfuse
1: ¥204.3
8,907In Stock
8,000Expected 8/27/2026

Mfr. Part #
SP4045-04ATG

Mouser Part #
576-SP4045-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

8,907In Stock

8,000Expected 8/27/2026

Cut Tape

¥204.3

¥136.2

¥110.6

¥92.2

Reel

¥64.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

SP4060-08ATG
Littelfuse
1: ¥299
3,802In Stock

Mfr. Part #
SP4060-08ATG

Mouser Part #
576-SP4060-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

Learn More

Datasheet

3,802In Stock

Cut Tape

¥299

¥172.7

¥137.9

¥118.3

Reel

¥89.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000