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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Polarity	Number of Channels	Working Voltage	Termination Style	Clamping Voltage	Breakdown Voltage	Package/Case	Peak Pulse Current	Pppm - Peak Pulse Power Dissipation	Minimum Operating Temperature	Maximum Operating Temperature	Product	Series	Qualification	Packaging
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ18A Diotec Semiconductor 1: $0.476 7,370In Stock	Mfr. Part No. P4SMAJ18A Mouser Part No 637-P4SMAJ18A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	7,370In Stock	Cut Tape $0.476 $0.214 $0.186 $0.137 Reel $0.076 View $0.09 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ18CA Diotec Semiconductor 1: $0.462 7,089In Stock	Mfr. Part No. P4SMAJ18CA Mouser Part No 637-P4SMAJ18CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	7,089In Stock	Cut Tape $0.462 $0.329 $0.28 $0.208 Reel $0.087 View $0.082 $0.076 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		18 V	SMD/SMT	29.2 V	20 V	SMA (DO-214AC)	13.7 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ20A Diotec Semiconductor 1: $0.49 14,640In Stock	Mfr. Part No. P4SMAJ20A Mouser Part No 637-P4SMAJ20A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	14,640In Stock	Cut Tape $0.49 $0.214 $0.186 $0.137 Reel $0.097 View $0.132 $0.094 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	20 V	SMD/SMT	32.4 V	22.2 V	SMA (DO-214AC)	12.3 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ24A Diotec Semiconductor 1: $0.503 5,622In Stock	Mfr. Part No. P4SMAJ24A Mouser Part No 637-P4SMAJ24A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	5,622In Stock	Cut Tape $0.503 $0.219 $0.192 $0.141 Reel $0.075 View $0.103 $0.067 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	24 V	SMD/SMT	38.9 V	26.7 V	SMA (DO-214AC)	10.3 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir, AEC-Q101 P4SMAJ24CA-AQ Diotec Semiconductor 1: $0.626 3,995In Stock	Mfr. Part No. P4SMAJ24CA-AQ Mouser Part No 637-P4SMAJ24CA-AQ	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir, AEC-Q101 Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	3,995In Stock	Cut Tape $0.626 $0.28 $0.245 $0.184 Reel $0.12 View $0.105 $0.102 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ28CA Diotec Semiconductor 1: $0.49 6,352In Stock	Mfr. Part No. P4SMAJ28CA Mouser Part No 637-P4SMAJ28CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	6,352In Stock	Cut Tape $0.49 $0.22 $0.192 $0.143 Reel $0.086 View $0.075 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		28 V	SMD/SMT	45.4 V	31.1 V	SMA (DO-214AC)	8.8 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir, AEC-Q101 P4SMAJ28CA-AQ Diotec Semiconductor 1: $0.626 1,964In Stock	Mfr. Part No. P4SMAJ28CA-AQ Mouser Part No 637-P4SMAJ28CA-AQ	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir, AEC-Q101 Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	1,964In Stock	Cut Tape $0.626 $0.28 $0.245 $0.184 Reel $0.105 View $0.14 $0.097 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		28 V	SMD/SMT	45.4 V	31.1 V	SMA (DO-214AC)	8.8 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ30A Diotec Semiconductor 1: $0.462 17,510In Stock	Mfr. Part No. P4SMAJ30A Mouser Part No 637-P4SMAJ30A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	17,510In Stock	Cut Tape $0.462 $0.214 $0.186 $0.137 Reel $0.088 View $0.09 $0.076 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	30 V	SMD/SMT	48.4 V	33.3 V	SMA (DO-214AC)	8.3 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ30CA Diotec Semiconductor 1: $0.503 4,198In Stock	Mfr. Part No. P4SMAJ30CA Mouser Part No 637-P4SMAJ30CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	4,198In Stock	Cut Tape $0.503 $0.22 $0.192 $0.143 Reel $0.079 View $0.107 $0.071 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		30 V	SMD/SMT	48.4 V	33.3 V	SMA (DO-214AC)	8.3 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ33A Diotec Semiconductor 1: $0.435 7,909In Stock	Mfr. Part No. P4SMAJ33A Mouser Part No 637-P4SMAJ33A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	7,909In Stock	Cut Tape $0.435 $0.305 $0.212 $0.188 Reel $0.097 View $0.151 $0.131 $0.075 $0.067 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	33 V	SMD/SMT	53.3 V	36.7 V	SMA (DO-214AC)	7.5 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ33CA Diotec Semiconductor 1: $0.517 3,958In Stock 7,500Expected 20/11/2026	Mfr. Part No. P4SMAJ33CA Mouser Part No 637-P4SMAJ33CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	3,958In Stock 7,500Expected 20/11/2026	Cut Tape $0.517 $0.264 $0.23 $0.17 Reel $0.079 View $0.11 $0.076 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		33 V	SMD/SMT	53.3 V	36.7 V	SMA (DO-214AC)	7.5 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ36A Diotec Semiconductor 1: $0.462 5,336In Stock	Mfr. Part No. P4SMAJ36A Mouser Part No 637-P4SMAJ36A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	5,336In Stock	Cut Tape $0.462 $0.214 $0.186 $0.137 Reel $0.088 View $0.131 $0.076 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	36 V	SMD/SMT	58.1 V	40 V	SMA (DO-214AC)	6.9 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ36CA Diotec Semiconductor 1: $0.503 4,725In Stock	Mfr. Part No. P4SMAJ36CA Mouser Part No 637-P4SMAJ36CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	4,725In Stock	Cut Tape $0.503 $0.22 $0.17 $0.147 Reel $0.079 View $0.072 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		36 V	SMD/SMT	58.1 V	40 V	SMA (DO-214AC)	6.9 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ40A Diotec Semiconductor 1: $0.449 3,775In Stock	Mfr. Part No. P4SMAJ40A Mouser Part No 637-P4SMAJ40A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	3,775In Stock	Cut Tape $0.449 $0.313 $0.218 $0.192 Reel $0.061 View $0.178 $0.079 $0.06 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ43CA Diotec Semiconductor 1: $0.49 6,472In Stock	Mfr. Part No. P4SMAJ43CA Mouser Part No 637-P4SMAJ43CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	6,472In Stock	Cut Tape $0.49 $0.22 $0.192 $0.143 Reel $0.084 View $0.078 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ5.0A Diotec Semiconductor 1: $0.53 21,253In Stock	Mfr. Part No. P4SMAJ5.0A Mouser Part No 637-P4SMAJ5.0A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	21,253In Stock	Cut Tape $0.53 $0.267 $0.228 $0.174 Reel $0.117 View $0.129 $0.079 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	5 V	SMD/SMT	9.2 V	6.4 V	SMA (DO-214AC)	43.5 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ58A Diotec Semiconductor 1: $0.49 2,888In Stock	Mfr. Part No. P4SMAJ58A Mouser Part No 637-P4SMAJ58A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	2,888In Stock	Cut Tape $0.49 $0.214 $0.186 $0.137 Reel $0.097 View $0.132 $0.091 $0.064 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ58CA Diotec Semiconductor 1: $0.503 6,695In Stock	Mfr. Part No. P4SMAJ58CA Mouser Part No 637-P4SMAJ58CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	6,695In Stock	Cut Tape $0.503 $0.22 $0.192 $0.143 Reel $0.079 View $0.11 $0.071 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ6.5A Diotec Semiconductor 1: $0.476 6,560In 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 about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	6,560In Stock	Cut Tape $0.476 $0.222 $0.193 $0.143 Reel $0.097 View $0.132 $0.094 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 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	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ6.5CA Diotec Semiconductor 1: $0.49 8,040In Stock	Mfr. Part No. P4SMAJ6.5CA Mouser Part No 637-P4SMAJ6.5CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	8,040In Stock	Cut Tape $0.49 $0.22 $0.192 $0.143 Reel $0.097 View $0.107 $0.075 $0.067 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		6.5 V	SMD/SMT	11.2 V	7.2 V	SMA (DO-214AC)	35.7 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir P4SMAJ60A Diotec Semiconductor 1: $0.476 5,717In Stock	Mfr. Part No. P4SMAJ60A Mouser Part No 637-P4SMAJ60A	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Unidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	5,717In Stock	Cut Tape $0.476 $0.214 $0.186 $0.137 Reel $0.076 View $0.09 $0.073 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Unidirectional	1 Channel	60 V	SMD/SMT	96.8 V	66.7 V	SMA (DO-214AC)	4.1 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMA350CA Diotec Semiconductor 1: $0.802 6,976In Stock	Mfr. Part No. P4SMA350CA Mouser Part No 637-P4SMA350CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	6,976In Stock	Cut Tape $0.802 $0.556 $0.389 $0.341 Reel $0.143 View $0.317 $0.188 $0.14 $0.129 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		300 V	SMD/SMT	482 V	332 V	SMA (DO-214AC)	830 mA	400 W	- 50 C	+ 150 C		P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMA400CA Diotec Semiconductor 1: $0.843 3,826In Stock	Mfr. Part No. P4SMA400CA Mouser Part No 637-P4SMA400CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	3,826In Stock	Cut Tape $0.843 $0.461 $0.386 $0.347 Reel $0.139 View $0.261 $0.125 $0.122 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		342 V	SMD/SMT	548 V	380 V	SMA (DO-214AC)	730 mA	400 W	- 50 C	+ 150 C		P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMA440CA Diotec Semiconductor 1: $0.802 6,904In Stock	Mfr. Part No. P4SMA440CA Mouser Part No 637-P4SMA440CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	6,904In Stock	Cut Tape $0.802 $0.556 $0.389 $0.341 Reel $0.141 View $0.317 $0.235 $0.14 $0.129 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		376 V	SMD/SMT	602 V	418 V	SMA (DO-214AC)	660 mA	400 W	- 50 C	+ 150 C		P4SMA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir P4SMAJ12CA Diotec Semiconductor 1: $0.503 16,389In Stock	Mfr. Part No. P4SMAJ12CA Mouser Part No 637-P4SMAJ12CA	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes TVS, SMA, 150C, 400W, Bidir Learn More about Diotec Semiconductor diotec p4sma esd suppressors	Datasheet	16,389In Stock	Cut Tape $0.503 $0.233 $0.203 $0.151 Reel $0.079 View $0.092 $0.076 MouseReel Available	Min.: 1 Mult.: 1 : 7,500	Bidirectional		12 V	SMD/SMT	19.9 V	13.3 V	SMA (DO-214AC)	20.1 A	400 W	- 50 C	+ 150 C	TVS Diodes	P4SMA		Reel, Cut Tape, MouseReel