Circuit Protection – Mouser Japan

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Littelfuse Smart Metering Solutions help designers implement more reliable and safer smart meters. Littelfuse solutions for smart meters allow designers to bring Internet of Things technology to the key functions of a smart metering system.

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Types of Circuit Protection

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Results: 1,906

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RoHS Compliant

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Part #

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

SMCJ18CA
Littelfuse
1: ¥132.9
10,734In Stock
15,000Expected 11/4/2026

Mfr. Part #
SMCJ18CA

Mouser Part #
576-SMCJ18CA

Littelfuse

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

Learn More

Datasheet

10,734In Stock

15,000Expected 11/4/2026

Cut Tape

¥132.9

¥84.7

¥56.6

¥51.3

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 220V 5% Bi-Directional

SMCJ220CA
Littelfuse
1: ¥237.5
4,263In Stock
6,000Expected 10/1/2026

Mfr. Part #
SMCJ220CA

Mouser Part #
576-SMCJ220CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 220V 5% Bi-Directional

Learn More

Datasheet

4,263In Stock

6,000Expected 10/1/2026

Cut Tape

¥237.5

¥123.4

¥99

¥77.6

¥70.4

Reel

¥59.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Uni-Directional

SMCJ22A
Littelfuse
1: ¥124.6
12,979In Stock
18,000Expected 11/23/2026

Mfr. Part #
SMCJ22A

Mouser Part #
576-SMCJ22A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Uni-Directional

Learn More

Datasheet

12,979In Stock

18,000Expected 11/23/2026

Cut Tape

¥124.6

¥68.1

¥51.5

¥49

Reel

¥31.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ24CA
Littelfuse
1: ¥161.1
19,909In Stock

Mfr. Part #
SMCJ24CA

Mouser Part #
576-SMCJ24CA

Littelfuse

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

Learn More

Datasheet

19,909In 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: ¥157.8
28,730In Stock

Mfr. Part #
SMCJ26CA

Mouser Part #
576-SMCJ26CA

Littelfuse

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

Learn More

Datasheet

28,730In Stock

Cut Tape

¥157.8

¥73.7

¥64.8

¥50

¥45.2

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ28A
Littelfuse
1: ¥124.6
31,964In 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

31,964In Stock

30,000Expected 4/7/2027

Cut Tape

¥124.6

¥69.6

¥53

¥42.2

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
20,693In Stock
15,000Expected 5/4/2027

Mfr. Part #
SMCJ28CA

Mouser Part #
576-SMCJ28CA

Littelfuse

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

Learn More

Datasheet

20,693In Stock

15,000Expected 5/4/2027

Cut Tape

¥159.5

¥74.1

¥62.5

¥49.3

¥44.5

Reel

¥34.9

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 33V 5% Uni-Directional

SMCJ33A
Littelfuse
1: ¥132.9
17,283In 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

17,283In Stock

45,000On Order

Cut Tape

¥132.9

¥71.1

¥54.5

¥44.5

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
37,307In Stock
39,000Expected 9/9/2026

Mfr. Part #
SMCJ33CA

Mouser Part #
576-SMCJ33CA

Littelfuse

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

Learn More

Datasheet

37,307In Stock

39,000Expected 9/9/2026

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
5,489In 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

5,489In 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% 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

¥34.9

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
19,534In 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

19,534In Stock

42,000On Order

Cut Tape

¥127.9

¥70.4

¥51.8

¥39.9

Reel

¥30.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ5.0CA
Littelfuse
1: ¥139.5
18,454In Stock

Mfr. Part #
SMCJ5.0CA

Mouser Part #
576-SMCJ5.0CA

Littelfuse

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

Learn More

Datasheet

18,454In Stock

Cut Tape

¥139.5

¥77.2

¥60.8

¥47.8

¥41.9

Reel

¥34.9

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

Reel

¥36.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ60A
Littelfuse
1: ¥127.9
20,918In Stock

Mfr. Part #
SMCJ60A

Mouser Part #
576-SMCJ60A

Littelfuse

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

Learn More

Datasheet

20,918In Stock

Cut Tape

¥127.9

¥71.1

¥56.1

¥42.9

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: ¥124.6
14,029In Stock
12,000Expected 4/27/2027

Mfr. Part #
SMCJ60CA

Mouser Part #
576-SMCJ60CA

Littelfuse

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

Learn More

Datasheet

14,029In Stock

12,000Expected 4/27/2027

Cut Tape

¥124.6

¥80.6

¥60.3

¥50.2

¥45.2

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ64A
Littelfuse
1: ¥127.9
25,530In Stock

Mfr. Part #
SMCJ64A

Mouser Part #
576-SMCJ64A

Littelfuse

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

Learn More

Datasheet

25,530In 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

¥102.6

¥66.6

¥51.2

¥46.2

Reel

¥34.9

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 5/6/2027

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 5/6/2027

Cut Tape

¥147.8

¥78.6

¥61.6

¥48.2

¥45.2

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP150E
Littelfuse
1: ¥305.6
2,813In Stock

Mfr. Part #
TMOV14RP150E

Mouser Part #
576-TMOV14RP150E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

2,813In Stock

¥305.6

¥225.9

¥206

¥184.4

¥179.4

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP300E
Littelfuse
1: ¥305.6
8,348In Stock

Mfr. Part #
TMOV14RP300E

Mouser Part #
576-TMOV14RP300E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

8,348In Stock

¥305.6

¥225.9

¥206

¥184.4

¥179.4

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP385E
Littelfuse
1: ¥315.6
1,474In Stock

Mfr. Part #
TMOV14RP385E

Mouser Part #
576-TMOV14RP385E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

1,474In Stock

¥315.6

¥234.2

¥212.6

¥191

¥186

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP150E
Littelfuse
1: ¥348.8
3,006In Stock
8,000On Order

Mfr. Part #
TMOV20RP150E

Mouser Part #
576-TMOV20RP150E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

3,006In Stock

8,000On Order

¥348.8

¥260.8

¥237.5

¥212.6

¥209.3

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP275E
Littelfuse
1: ¥348.8
2,949In Stock
2,100Expected 10/14/2026

Mfr. Part #
TMOV20RP275E

Mouser Part #
576-TMOV20RP275E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

2,949In Stock

2,100Expected 10/14/2026

¥348.8

¥260.8

¥237.5

¥212.6

¥209.3

Min.: 1
Mult.: 1