ESD Protection Diodes / TVS Diodes

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SMAJ TVS 400W Diodes

Littelfuse SMAJ TVS (Transient Voltage Suppression) 400W Diodes are surface-mount diodes designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. These diodes offer 400W peak pulse power capability at 10µs x 1000µs waveform. Littelfuse SMAJ diodes feature a fast response time, typically less than 1.0ps from 0V to V_BR minimum. These diodes are ideal for the protection of I/O interfaces, V_CC bus and other vulnerable circuits used in telecom, computer, industrial, and consumer electronic applications.

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Part #

ESD Protection Diodes / TVS Diodes 400W 440V 5% Bi-Directional

SMAJ440CA
Littelfuse
1: HK$8.06
11,999In Stock

Mfr. Part No.
SMAJ440CA

Mouser Part No
576-SMAJ440CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 440V 5% Bi-Directional

Learn More

Datasheet

11,999In Stock

Cut Tape

HK$8.06

HK$3.83

HK$3.24

HK$2.48

Reel

HK$1.59

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

440 V

SMD/SMT

713 V

492 V

SMA (DO-214AC)

900 mA

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

SMAJ220CA
Littelfuse
1: HK$7.48
8,102In Stock

Mfr. Part No.
SMAJ220CA

Mouser Part No
576-SMAJ220CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

Learn More

Datasheet

8,102In Stock

Cut Tape

HK$7.48

HK$3.40

HK$2.99

HK$2.15

Reel

HK$1.48

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

220 V

SMD/SMT

356 V

246 V

SMA (DO-214AC)

1.7 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Uni-Directional

SMAJ6.5A
Littelfuse
1: HK$3.62
21,605In Stock

Mfr. Part No.
SMAJ6.5A

Mouser Part No
576-SMAJ6.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Uni-Directional

Learn More

Datasheet

21,605In Stock

Cut Tape

HK$3.62

HK$1.78

HK$1.35

HK$1.04

Reel

HK$0.674

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

6.5 V

SMD/SMT

11.2 V

7.22 V

SMA (DO-214AC)

35.7 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional

SMAJ350CA
Littelfuse
1: HK$7.07
12,065In Stock

Mfr. Part No.
SMAJ350CA

Mouser Part No
576-SMAJ350CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional

Learn More

Datasheet

12,065In Stock

Cut Tape

HK$7.07

HK$3.83

HK$2.88

HK$2.38

Reel

HK$1.59

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

350 V

SMD/SMT

567 V

391 V

SMA (DO-214AC)

1.1 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-Directional

SMAJ11A
Littelfuse
1: HK$3.70
14,586In Stock

Mfr. Part No.
SMAJ11A

Mouser Part No
576-SMAJ11A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-Directional

Learn More

Datasheet

14,586In Stock

Cut Tape

HK$3.70

HK$1.75

HK$1.44

HK$1.11

Reel

HK$0.666

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

11 V

SMD/SMT

18.2 V

12.2 V

SMA (DO-214AC)

22 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 150V 5% Uni-Directional

SMAJ150A
Littelfuse
1: HK$2.96
8,955In Stock

Mfr. Part No.
SMAJ150A

Mouser Part No
576-SMAJ150A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 150V 5% Uni-Directional

Learn More

Datasheet

8,955In Stock

Cut Tape

HK$2.96

HK$1.82

HK$1.32

HK$1.09

Reel

HK$0.699

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

150 V

SMD/SMT

243 V

167 V

SMA (DO-214AC)

1.6 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 250V 5% Uni-Directional

SMAJ250A
Littelfuse
1: HK$4.93
7,802In Stock

Mfr. Part No.
SMAJ250A

Mouser Part No
576-SMAJ250A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Uni-Directional

Learn More

Datasheet

7,802In Stock

Cut Tape

HK$4.93

HK$2.90

HK$2.25

HK$1.74

View

Reel

HK$1.40

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

250 V

SMD/SMT

405 V

279 V

SMA (DO-214AC)

1 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

SMAJ12CA
Littelfuse
1: HK$3.70
61,373In Stock
40,000Expected 30/9/2026

Mfr. Part No.
SMAJ12CA

Mouser Part No
576-SMAJ12CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

Learn More

Datasheet

61,373In Stock

40,000Expected 30/9/2026

Cut Tape

HK$3.70

HK$2.10

HK$1.58

HK$1.31

Reel

HK$0.797

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

12 V

SMD/SMT

19.9 V

13.3 V

SMA (DO-214AC)

20.1 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-Directional

SMAJ14A
Littelfuse
1: HK$3.53
36,827In Stock

Mfr. Part No.
SMAJ14A

Mouser Part No
576-SMAJ14A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-Directional

Learn More

Datasheet

36,827In Stock

Cut Tape

HK$3.53

HK$2.10

HK$1.36

HK$1.00

View

Reel

HK$0.617

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

14 V

SMD/SMT

23.2 V

15.6 V

SMA (DO-214AC)

17.2 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional

SMAJ15CA
Littelfuse
1: HK$3.37
36,925In Stock
39,430Expected 13/8/2026

Mfr. Part No.
SMAJ15CA

Mouser Part No
576-SMAJ15CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional

Learn More

Datasheet

36,925In Stock

39,430Expected 13/8/2026

Cut Tape

HK$3.37

HK$1.75

HK$1.52

HK$1.15

View

Reel

HK$0.699

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

15 V

SMD/SMT

24.4 V

16.7 V

SMA (DO-214AC)

16.4 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

SMAJ22A
Littelfuse
1: HK$3.86
30,226In Stock
43,975On Order

Mfr. Part No.
SMAJ22A

Mouser Part No
576-SMAJ22A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

Learn More

Datasheet

30,226In Stock

43,975On Order

Cut Tape

HK$3.86

HK$1.75

HK$1.48

HK$1.13

Reel

HK$0.674

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

22 V

SMD/SMT

35.5 V

24.4 V

SMA (DO-214AC)

11.3 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

SMAJ24A
Littelfuse
1: HK$3.70
48,472In Stock
70,000Expected 26/1/2027

Mfr. Part No.
SMAJ24A

Mouser Part No
576-SMAJ24A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

Learn More

Datasheet

48,472In Stock

70,000Expected 26/1/2027

Cut Tape

HK$3.70

HK$1.75

HK$1.53

HK$1.14

View

Reel

HK$0.617

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

24 V

SMD/SMT

38.9 V

26.7 V

SMA (DO-214AC)

10.3 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

SMAJ250CA
Littelfuse
1: HK$7.89
7,807In Stock
10,000Expected 30/11/2026

Mfr. Part No.
SMAJ250CA

Mouser Part No
576-SMAJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

Learn More

Datasheet

7,807In Stock

10,000Expected 30/11/2026

Cut Tape

HK$7.89

HK$3.61

HK$3.18

HK$2.43

View

Reel

HK$1.73

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

250 V

SMD/SMT

405 V

279 V

SMA (DO-214AC)

1.5 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional

SMAJ28CA
Littelfuse
1: HK$3.95
28,302In Stock
35,000Expected 15/2/2027

Mfr. Part No.
SMAJ28CA

Mouser Part No
576-SMAJ28CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional

Learn More

Datasheet

28,302In Stock

35,000Expected 15/2/2027

Cut Tape

HK$3.95

HK$1.75

HK$1.50

HK$1.15

View

Reel

HK$0.699

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

28 V

SMD/SMT

45.4 V

31.1 V

SMA (DO-214AC)

8.8 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 300V 5% Bi-Directional

SMAJ300CA
Littelfuse
1: HK$7.15
12,657In Stock
40,000On Order

Mfr. Part No.
SMAJ300CA

Mouser Part No
576-SMAJ300CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 300V 5% Bi-Directional

Learn More

Datasheet

12,657In Stock

40,000On Order

Cut Tape

HK$7.15

HK$3.40

HK$2.54

HK$2.08

View

Reel

HK$1.48

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

300 V

SMD/SMT

486 V

335 V

SMA (DO-214AC)

1.3 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 30V 5% Bi-Directional

SMAJ30CA
Littelfuse
1: HK$3.29
92,065In Stock
155,000On Order

Mfr. Part No.
SMAJ30CA

Mouser Part No
576-SMAJ30CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 30V 5% Bi-Directional

Learn More

Datasheet

92,065In Stock

155,000On Order

Cut Tape

HK$3.29

HK$1.75

HK$1.54

HK$1.15

HK$1.04

Reel

HK$0.699

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

30 V

SMD/SMT

48.4 V

33.3 V

SMA (DO-214AC)

8.3 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 350V 5% Uni-Directional

SMAJ350A
Littelfuse
1: HK$7.23
8,400In Stock

Mfr. Part No.
SMAJ350A

Mouser Part No
576-SMAJ350A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 350V 5% Uni-Directional

Learn More

Datasheet

8,400In Stock

Cut Tape

HK$7.23

HK$3.62

HK$3.01

HK$2.27

View

Reel

HK$1.60

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

350 V

SMD/SMT

567 V

391 V

SMA (DO-214AC)

1.1 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 36V 5% Uni-Directional

SMAJ36A
Littelfuse
1: HK$3.29
44,697In Stock
25,000Expected 3/12/2026

Mfr. Part No.
SMAJ36A

Mouser Part No
576-SMAJ36A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 36V 5% Uni-Directional

Learn More

Datasheet

44,697In Stock

25,000Expected 3/12/2026

Cut Tape

HK$3.29

HK$1.75

HK$1.44

HK$1.14

Reel

HK$0.658

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

36 V

SMD/SMT

58.1 V

40 V

SMA (DO-214AC)

6.9 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional

SMAJ40A
Littelfuse
1: HK$3.12
42,488In Stock

Mfr. Part No.
SMAJ40A

Mouser Part No
576-SMAJ40A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional

Learn More

Datasheet

42,488In Stock

Cut Tape

HK$3.12

HK$1.71

HK$1.44

HK$1.11

Reel

HK$0.641

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

40 V

SMD/SMT

64.5 V

44.4 V

SMA (DO-214AC)

6.2 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 40V 5% Bi-Directional

SMAJ40CA
Littelfuse
1: HK$4.19
81,688In Stock
120,000Expected 30/11/2026

Mfr. Part No.
SMAJ40CA

Mouser Part No
576-SMAJ40CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 40V 5% Bi-Directional

Learn More

Datasheet

81,688In Stock

120,000Expected 30/11/2026

Cut Tape

HK$4.19

HK$1.86

HK$1.60

HK$1.22

View

Reel

HK$0.699

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

40 V

SMD/SMT

64.5 V

44.4 V

SMA (DO-214AC)

6.2 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

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

SMAJ5.0CA
Littelfuse
1: HK$3.70
71,185In Stock
135,000On Order

Mfr. Part No.
SMAJ5.0CA

Mouser Part No
576-SMAJ5.0CA

Littelfuse

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

Learn More

Datasheet

71,185In Stock

135,000On Order

Cut Tape

HK$3.70

HK$1.75

HK$1.43

HK$1.15

View

Reel

HK$0.74

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

5 V

SMD/SMT

9.2 V

6.4 V

SMA (DO-214AC)

43.5 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional

SMAJ51A
Littelfuse
1: HK$3.78
27,322In Stock
35,000Expected 7/12/2026

Mfr. Part No.
SMAJ51A

Mouser Part No
576-SMAJ51A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional

Learn More

Datasheet

27,322In Stock

35,000Expected 7/12/2026

Cut Tape

HK$3.78

HK$1.71

HK$1.46

HK$1.11

Reel

HK$0.649

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

51 V

SMD/SMT

82.4 V

56.7 V

SMA (DO-214AC)

4.9 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 58V 5% Bi-Directional

SMAJ58CA
Littelfuse
1: HK$3.95
102,753In Stock

Mfr. Part No.
SMAJ58CA

Mouser Part No
576-SMAJ58CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 58V 5% Bi-Directional

Learn More

Datasheet

102,753In Stock

Cut Tape

HK$3.95

HK$1.75

HK$1.54

HK$1.15

View

Reel

HK$0.699

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

58 V

SMD/SMT

93.6 V

64.4 V

SMA (DO-214AC)

4.3 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 6V 5% Uni-Directional

SMAJ6.0A
Littelfuse
1: HK$2.96
26,888In Stock
35,000Expected 12/8/2026

Mfr. Part No.
SMAJ6.0A

Mouser Part No
576-SMAJ6.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 6V 5% Uni-Directional

Learn More

Datasheet

26,888In Stock

35,000Expected 12/8/2026

Cut Tape

HK$2.96

HK$1.71

HK$1.32

HK$1.07

Reel

HK$0.641

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Unidirectional

1 Channel

6 V

SMD/SMT

10.3 V

6.67 V

SMA (DO-214AC)

38.8 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes 400W 60V 5% Bi-Directional

SMAJ60CA
Littelfuse
1: HK$3.86
17,702In Stock
65,000On Order

Mfr. Part No.
SMAJ60CA

Mouser Part No
576-SMAJ60CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 60V 5% Bi-Directional

Learn More

Datasheet

17,702In Stock

65,000On Order

Cut Tape

HK$3.86

HK$1.86

HK$1.55

HK$1.21

View

Reel

HK$0.699

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Bidirectional

1 Channel

60 V

SMD/SMT

96.8 V

66.7 V

SMA (DO-214AC)

4.1 A

400 W

30 kV

- 65 C

+ 150 C

SMAJ

Reel, Cut Tape, MouseReel

SMAJ TVS 400W Diodes

Customer Service Office

Company

Resources

Support

5 V
6 V
6.5 V
7 V
7.5 V
8 V
8.5 V
9 V
10 V
11 V
12 V
13 V
14 V
15 V
16 V
17 V
18 V
20 V
22 V
24 V

9.2 V
10.3 V
11.2 V
12 V
12.9 V
13.6 V
14.4 V
15.4 V
17 V
18.2 V
19.9 V
21.5 V
23.2 V
24.4 V
26 V
27.6 V
29.2 V
32.4 V
35.5 V
38.9 V

6.4 V
6.67 V
7.22 V
7.78 V
8.33 V
8.89 V
9.44 V
10 V
11.1 V
12.2 V
13.3 V
14.4 V
15.6 V
16.7 V
17.8 V
18.9 V
20 V
22.2 V
24.4 V
26.7 V

900 mA
1 A
1.1 A
1.2 A
1.3 A
1.4 A
1.5 A
1.6 A
1.7 A
1.9 A
2.1 A
2.3 A
2.5 A
2.7 A
2.9 A
3.2 A
3.3 A
3.5 A
3.9 A
4.1 A