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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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Part #

ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional

SMCJ16CA
Littelfuse
1: $1.28
12,880In Stock
9,000Expected 14/9/2026

Mfr. Part No.
SMCJ16CA

Mouser Part No
576-SMCJ16CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional

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Datasheet

12,880In Stock

9,000Expected 14/9/2026

Cut Tape

$1.28

$0.607

$0.536

$0.411

$0.381

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ180CA
Littelfuse
1: $1.37
8,829In Stock

Mfr. Part No.
SMCJ180CA

Mouser Part No
576-SMCJ180CA

Littelfuse

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

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Datasheet

8,829In Stock

Cut Tape

$1.37

$0.668

$0.579

$0.454

$0.437

Reel

$0.296

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ18CA
Littelfuse
1: $1.35
10,223In Stock
15,000Expected 4/11/2026

Mfr. Part No.
SMCJ18CA

Mouser Part No
576-SMCJ18CA

Littelfuse

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

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Datasheet

10,223In Stock

15,000Expected 4/11/2026

Cut Tape

$1.35

$0.694

$0.547

$0.42

Reel

$0.287

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ220CA
Littelfuse
1: $1.94
4,083In Stock
6,000Expected 1/10/2026

Mfr. Part No.
SMCJ220CA

Mouser Part No
576-SMCJ220CA

Littelfuse

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

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Datasheet

4,083In Stock

6,000Expected 1/10/2026

Cut Tape

$1.94

$1.01

$0.811

$0.635

$0.577

Reel

$0.49

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ22A
Littelfuse
1: $1.02
12,979In Stock
18,000Expected 23/11/2026

Mfr. Part No.
SMCJ22A

Mouser Part No
576-SMCJ22A

Littelfuse

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

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Datasheet

12,979In Stock

18,000Expected 23/11/2026

Cut Tape

$1.02

$0.558

$0.422

$0.401

Reel

$0.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ24A
Littelfuse
1: $1.28
12,537In Stock
43,131On Order

Mfr. Part No.
SMCJ24A

Mouser Part No
576-SMCJ24A

Littelfuse

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

Learn More

Datasheet

12,537In Stock

43,131On Order

Cut Tape

$1.28

$0.582

$0.514

$0.393

Reel

$0.26

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ24CA
Littelfuse
1: $1.32
19,864In Stock

Mfr. Part No.
SMCJ24CA

Mouser Part No
576-SMCJ24CA

Littelfuse

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

Learn More

Datasheet

19,864In Stock

Cut Tape

$1.32

$0.607

$0.536

$0.411

$0.381

Reel

$0.286

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ26CA
Littelfuse
1: $1.31
27,277In Stock

Mfr. Part No.
SMCJ26CA

Mouser Part No
576-SMCJ26CA

Littelfuse

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

Learn More

Datasheet

27,277In Stock

Cut Tape

$1.31

$0.604

$0.533

$0.409

$0.381

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ28A
Littelfuse
1: $1.02
31,919In Stock
30,000Expected 7/4/2027

Mfr. Part No.
SMCJ28A

Mouser Part No
576-SMCJ28A

Littelfuse

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

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Datasheet

31,919In Stock

30,000Expected 7/4/2027

Cut Tape

$1.02

$0.57

$0.428

$0.326

Reel

$0.241

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ28CA
Littelfuse
1: $1.31
20,693In Stock
15,000Expected 4/5/2027

Mfr. Part No.
SMCJ28CA

Mouser Part No
576-SMCJ28CA

Littelfuse

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

Learn More

Datasheet

20,693In Stock

15,000Expected 4/5/2027

Cut Tape

$1.31

$0.607

$0.511

$0.404

$0.364

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ300A
Littelfuse
1: $1.56
24,186In Stock

Mfr. Part No.
SMCJ300A

Mouser Part No
576-SMCJ300A

Littelfuse

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

Learn More

Datasheet

24,186In Stock

Cut Tape

$1.56

$0.892

$0.722

$0.607

Reel

$0.452

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ30A
Littelfuse
1: $1.05
25,455In Stock
9,000Expected 1/9/2026

Mfr. Part No.
SMCJ30A

Mouser Part No
576-SMCJ30A

Littelfuse

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

Learn More

Datasheet

25,455In Stock

9,000Expected 1/9/2026

Cut Tape

$1.05

$0.616

$0.404

$0.317

Reel

$0.243

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ33A
Littelfuse
1: $1.07
17,153In Stock
45,000On Order

Mfr. Part No.
SMCJ33A

Mouser Part No
576-SMCJ33A

Littelfuse

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

Learn More

Datasheet

17,153In Stock

45,000On Order

Cut Tape

$1.07

$0.582

$0.428

$0.326

Reel

$0.252

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ33CA
Littelfuse
1: $1.32
37,316In Stock
38,788Expected 2/9/2026

Mfr. Part No.
SMCJ33CA

Mouser Part No
576-SMCJ33CA

Littelfuse

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

Learn More

Datasheet

37,316In Stock

38,788Expected 2/9/2026

Cut Tape

$1.32

$0.826

$0.534

$0.409

Reel

$0.317

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ400A
Littelfuse
1: $1.58
5,489In Stock
6,000Expected 2/11/2026

Mfr. Part No.
SMCJ400A

Mouser Part No
576-SMCJ400A

Littelfuse

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

Learn More

Datasheet

5,489In Stock

6,000Expected 2/11/2026

Cut Tape

$1.58

$0.892

$0.738

$0.586

Reel

$0.452

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ40A
Littelfuse
1: $1.03
10,081In Stock

Mfr. Part No.
SMCJ40A

Mouser Part No
576-SMCJ40A

Littelfuse

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

Learn More

Datasheet

10,081In Stock

Cut Tape

$1.03

$0.643

$0.415

$0.316

Reel

$0.243

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ40CA
Littelfuse
1: $0.952
6,920In Stock
12,000Expected 11/5/2027

Mfr. Part No.
SMCJ40CA

Mouser Part No
576-SMCJ40CA

Littelfuse

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

Learn More

Datasheet

6,920In Stock

12,000Expected 11/5/2027

Cut Tape

$0.952

$0.563

$0.441

$0.356

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ5.0A
Littelfuse
1: $1.05
18,483In Stock
42,000On Order

Mfr. Part No.
SMCJ5.0A

Mouser Part No
576-SMCJ5.0A

Littelfuse

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

Learn More

Datasheet

18,483In Stock

42,000On Order

Cut Tape

$1.05

$0.577

$0.416

$0.317

Reel

$0.231

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ58CA
Littelfuse
1: $1.18
24,534In Stock

Mfr. Part No.
SMCJ58CA

Mouser Part No
576-SMCJ58CA

Littelfuse

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

Learn More

Datasheet

24,534In Stock

Cut Tape

$1.18

$0.607

$0.496

$0.389

$0.37

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ60A
Littelfuse
1: $1.07
20,618In Stock

Mfr. Part No.
SMCJ60A

Mouser Part No
576-SMCJ60A

Littelfuse

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

Learn More

Datasheet

20,618In Stock

Cut Tape

$1.07

$0.582

$0.428

$0.326

Reel

$0.243

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ60CA
Littelfuse
1: $1.28
13,999In Stock
12,000Expected 27/4/2027

Mfr. Part No.
SMCJ60CA

Mouser Part No
576-SMCJ60CA

Littelfuse

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

Learn More

Datasheet

13,999In Stock

12,000Expected 27/4/2027

Cut Tape

$1.28

$0.728

$0.545

$0.45

Reel

$0.306

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ64A
Littelfuse
1: $1.05
25,390In Stock

Mfr. Part No.
SMCJ64A

Mouser Part No
576-SMCJ64A

Littelfuse

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

Learn More

Datasheet

25,390In Stock

Cut Tape

$1.05

$0.616

$0.428

$0.326

Reel

$0.26

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: $1.36
10,202In Stock

Mfr. Part No.
SMCJ7.5CA

Mouser Part No
576-SMCJ7.5CA

Littelfuse

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

Learn More

Datasheet

10,202In Stock

Cut Tape

$1.36

$0.632

$0.545

$0.419

Reel

$0.286

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ78CA
Littelfuse
1: $1.21
7,324In Stock
12,000Expected 6/5/2027

Mfr. Part No.
SMCJ78CA

Mouser Part No
576-SMCJ78CA

Littelfuse

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

Learn More

Datasheet

7,324In Stock

12,000Expected 6/5/2027

Cut Tape

$1.21

$0.643

$0.505

$0.394

Reel

$0.279

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SP2502LBTG
Littelfuse
1: $4.35
3,599In Stock
5,000Expected 16/11/2026

Mfr. Part No.
SP2502LBTG

Mouser Part No
576-SP2502LBTG

Littelfuse

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

Learn More

Datasheet

3,599In Stock

5,000Expected 16/11/2026

Cut Tape

$4.35

$2.58

$1.93

$1.63

Reel

$1.31

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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