ESD Protection Diodes / TVS Diodes

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P4SMA Transient Voltage Suppressors

Diotec Semiconductor P4SMA Transient Voltage Suppressors feature uni- and bi-directional versions, 400W of peak pulse power dissipation, and fast response time. These diodes are compliant with RoHS, REACH, and conflict materials, and P4SMA diodes with the -AQ suffix are AEC-Q101 qualified. Diotec Semiconductor P4SMA ESD suppressors are ideally used in over-voltage protection, ESD protection, free-wheeling diodes, commercial/industrial, and automotive-grade applications.

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Part #

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMAJ40A
Diotec Semiconductor
1: $0.32
6,275In Stock

Mfr. Part No.
P4SMAJ40A

Mouser Part No
637-P4SMAJ40A

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

6,275In Stock

Cut Tape

$0.32

$0.229

$0.159

$0.14

Reel

$0.071

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

1 Channel

40 V

SMD/SMT

64.5 V

44.4 V

SMA (DO-214AC)

6.2 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMAJ43CA
Diotec Semiconductor
1: $0.34
7,155In Stock

Mfr. Part No.
P4SMAJ43CA

Mouser Part No
637-P4SMAJ43CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

7,155In Stock

Cut Tape

$0.34

$0.242

$0.167

$0.148

Reel

$0.076

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

43 V

SMD/SMT

69.4 V

47.8 V

SMA (DO-214AC)

5.8 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMAJ58A
Diotec Semiconductor
1: $0.32
4,090In Stock

Mfr. Part No.
P4SMAJ58A

Mouser Part No
637-P4SMAJ58A

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

4,090In Stock

Cut Tape

$0.32

$0.229

$0.159

$0.14

Reel

$0.071

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

1 Channel

58 V

SMD/SMT

93.6 V

64.4 V

SMA (DO-214AC)

4.3 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMAJ58CA
Diotec Semiconductor
1: $0.34
6,728In Stock

Mfr. Part No.
P4SMAJ58CA

Mouser Part No
637-P4SMAJ58CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

6,728In Stock

Cut Tape

$0.34

$0.242

$0.167

$0.148

Reel

$0.076

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

58 V

SMD/SMT

93.6 V

64.4 V

SMA (DO-214AC)

4.3 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMAJ6.5A
Diotec Semiconductor
1: $0.32
6,730In Stock

Mfr. Part No.
P4SMAJ6.5A

Mouser Part No
637-P4SMAJ6.5A

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

6,730In Stock

Cut Tape

$0.32

$0.229

$0.159

$0.14

Reel

$0.071

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

1 Channel

6.5 V

SMD/SMT

11.2 V

7.2 V

SMA (DO-214AC)

35.7 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMAJ9.0A
Diotec Semiconductor
1: $0.32
3,825In Stock

Mfr. Part No.
P4SMAJ9.0A

Mouser Part No
637-P4SMAJ9.0A

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

3,825In Stock

Cut Tape

$0.32

$0.229

$0.159

$0.14

Reel

$0.071

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

1 Channel

9 V

SMD/SMT

15.4 V

10 V

SMA (DO-214AC)

26 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMAJ18A
Diotec Semiconductor
1: $0.32
7,490Expected 2026/05/01

Mfr. Part No.
P4SMAJ18A

Mouser Part No
637-P4SMAJ18A

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

7,490Expected 2026/05/01

Cut Tape

$0.32

$0.229

$0.159

$0.14

Reel

$0.071

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

1 Channel

18 V

SMD/SMT

29.2 V

20 V

SMA (DO-214AC)

13.7 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMAJ24CA
Diotec Semiconductor
1: $0.34
7,500Expected 2026/03/20

Mfr. Part No.
P4SMAJ24CA

Mouser Part No
637-P4SMAJ24CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

7,500Expected 2026/03/20

Cut Tape

$0.34

$0.208

$0.131

$0.097

Reel

$0.056

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

24 V

SMD/SMT

38.9 V

26.7 V

SMA (DO-214AC)

10.3 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir, AEC-Q101

P4SMAJ18A-AQ
Diotec Semiconductor
1: $0.47
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
P4SMAJ18A-AQ

Mouser Part No
637-P4SMAJ18A-AQ

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir, AEC-Q101

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Cut Tape

$0.47

$0.337

$0.235

$0.206

Reel

$0.105

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

1 Channel

18 V

SMD/SMT

29.2 V

20 V

SMA (DO-214AC)

13.7 A

400 W

- 50 C

+ 150 C

P4SMA

AEC-Q101

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMA220
Diotec Semiconductor
1: $0.461
Non-Stocked

Mfr. Part No.
P4SMA220

Mouser Part No
637-P4SMA220

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.461

$0.311

$0.179

$0.14

Reel

$0.086

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

175 V

SMD/SMT

344 V

198 V

SMA (DO-214AC)

1.2 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA220C
Diotec Semiconductor
1: $0.42
Non-Stocked

Mfr. Part No.
P4SMA220C

Mouser Part No
637-P4SMA220C

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.42

$0.288

$0.141

$0.117

Reel

$0.053

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

175 V

SMD/SMT

344 V

198 V

SMA (DO-214AC)

1.2 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA220CA
Diotec Semiconductor
1: $0.58
Non-Stocked

Mfr. Part No.
P4SMA220CA

Mouser Part No
637-P4SMA220CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.58

$0.408

$0.285

$0.25

Reel

$0.11

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

185 V

SMD/SMT

328 V

209 V

SMA (DO-214AC)

1.2 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA250C
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA250C

Mouser Part No
637-P4SMA250C

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.10

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

202 V

SMD/SMT

360 V

225 V

SMA (DO-214AC)

1.1 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA250CA
Diotec Semiconductor
1: $0.58
Non-Stocked

Mfr. Part No.
P4SMA250CA

Mouser Part No
637-P4SMA250CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.58

$0.408

$0.285

$0.25

Reel

$0.12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

214 V

SMD/SMT

344 V

237 V

SMA (DO-214AC)

1.2 A

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMA300
Diotec Semiconductor
1: $0.47
Non-Stocked

Mfr. Part No.
P4SMA300

Mouser Part No
637-P4SMA300

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.47

$0.32

$0.181

$0.143

Reel

$0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

243 V

SMD/SMT

430 V

270 V

SMA (DO-214AC)

930 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA300C
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA300C

Mouser Part No
637-P4SMA300C

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.098

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

243 V

SMD/SMT

430 V

270 V

SMA (DO-214AC)

930 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA300CA
Diotec Semiconductor
1: $0.58
Non-Stocked

Mfr. Part No.
P4SMA300CA

Mouser Part No
637-P4SMA300CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.58

$0.408

$0.285

$0.25

Reel

$0.128

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

256 V

SMD/SMT

414 V

285 V

SMA (DO-214AC)

970 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMA350
Diotec Semiconductor
1: $0.47
Non-Stocked

Mfr. Part No.
P4SMA350

Mouser Part No
637-P4SMA350

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.47

$0.32

$0.181

$0.143

Reel

$0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

284 V

SMD/SMT

504 V

315 V

SMA (DO-214AC)

790 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMA400
Diotec Semiconductor
1: $0.47
Non-Stocked

Mfr. Part No.
P4SMA400

Mouser Part No
637-P4SMA400

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.47

$0.32

$0.181

$0.143

Reel

$0.087

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

324 V

SMD/SMT

574 V

360 V

SMA (DO-214AC)

700 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA400C
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA400C

Mouser Part No
637-P4SMA400C

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.10

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

324 V

SMD/SMT

574 V

360 V

SMA (DO-214AC)

700 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMA440
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA440

Mouser Part No
637-P4SMA440

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.10

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

356 V

SMD/SMT

631 V

396 V

SMA (DO-214AC)

630 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA440C
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA440C

Mouser Part No
637-P4SMA440C

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.098

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

356 V

SMD/SMT

631 V

396 V

SMA (DO-214AC)

630 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

P4SMA480
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA480

Mouser Part No
637-P4SMA480

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.10

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Unidirectional

388 V

SMD/SMT

686 V

432 V

SMA (DO-214AC)

580 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA480C
Diotec Semiconductor
1: $0.53
Non-Stocked

Mfr. Part No.
P4SMA480C

Mouser Part No
637-P4SMA480C

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.53

$0.327

$0.208

$0.166

Reel

$0.10

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

388 V

SMD/SMT

686 V

432 V

SMA (DO-214AC)

580 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

P4SMA480CA
Diotec Semiconductor
1: $0.58
Non-Stocked

Mfr. Part No.
P4SMA480CA

Mouser Part No
637-P4SMA480CA

Diotec Semiconductor

ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir

Learn More

Datasheet

Non-Stocked

Cut Tape

$0.58

$0.408

$0.285

$0.25

Reel

$0.123

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 7,500

Bidirectional

408 V

SMD/SMT

658 V

456 V

SMA (DO-214AC)

610 mA

400 W

- 50 C

+ 150 C

P4SMA

Reel, Cut Tape, MouseReel

P4SMA Transient Voltage Suppressors

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5 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
26 V

9.2 V
10.3 V
11.2 V
12 V
12.3 V
12.9 V
13.3 V
13.6 V
14.3 V
14.4 V
15 V
15.4 V
15.9 V
16.9 V
17 V
18.2 V
18.8 V
19.9 V
20.1 V
21.5 V

6.4 V
7.2 V
7.8 V
8.3 V
8.9 V
9.4 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
28.9 V

55 mA
500 mA
520 mA
530 mA
580 mA
610 mA
630 mA
660 mA
700 mA
730 mA
790 mA
830 mA
930 mA
970 mA
1.1 A
1.2 A
1.3 A
1.4 A
1.5 A
1.6 A