ESD Protection Diodes / TVS Diodes

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400W Transil™ Transient Voltage Suppressors (TVS)

STMicroelectronics 400W Transil™ Transient Voltage Suppressors (TVS) are ideal for applications such as solar inverters, set-top boxes, and MOSFET protection. The 400W TVS series offers best-in-class performance at full power, even with high junction temperatures. STMicroelectronics 400W Transil suppressors feature a peak power dissipation of up to 400W.

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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	Vesd - Voltage ESD Contact	Vesd - Voltage ESD Air Gap	Minimum Operating Temperature	Maximum Operating Temperature	Product	Series	Qualification	Packaging
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T28AY STMicroelectronics 1: $2.53 16,006In Stock	Mfr. Part No. SM4T28AY Mouser Part No 511-SM4T28AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	16,006In Stock	Cut Tape $2.53 $1.59 $1.04 $0.804 Reel $0.592 View $0.681 $0.649 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	24 V	SMD/SMT	50 V	26.7 V	SMA (DO-214AC)	46 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T35AY STMicroelectronics 1: $2.53 5,763In Stock	Mfr. Part No. SM4T35AY Mouser Part No 511-SM4T35AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	5,763In Stock	Cut Tape $2.53 $1.59 $1.04 $0.804 Reel $0.592 View $0.681 $0.649 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	30 V	SMD/SMT	64.3 V	33.3 V	SMA (DO-214AC)	36 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 70V Unidirect SMAJ70A-TR STMicroelectronics 1: $1.06 12,979In Stock	Mfr. Part No. SMAJ70A-TR Mouser Part No 511-SMAJ70A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 70V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	12,979In Stock	Cut Tape $1.06 $0.528 $0.35 $0.271 View Reel $0.204 $0.243 $0.227 $0.204 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	70 V	SMD/SMT	146 V	77.8 V	SMA (DO-214AC)	16 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 33V Unidirect SMAJ33A-TR STMicroelectronics 1: $0.789 15,150In Stock	Mfr. Part No. SMAJ33A-TR Mouser Part No 511-SMAJ33A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 33V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	15,150In Stock	Cut Tape $0.789 $0.431 $0.307 $0.25 Reel $0.146 View $0.207 $0.175 $0.132 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	33 V	SMD/SMT	69.7 V	36.7 V	SMA (DO-214AC)	33 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes HJ Temp Transil SMA6J8.5A-TR STMicroelectronics 1: $1.54 3,641In Stock	Mfr. Part No. SMA6J8.5A-TR Mouser Part No 511-SMA6J8.5A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes HJ Temp Transil Learn More about STMicroelectronics stm 600w tvs diode	Datasheet	3,641In Stock	Cut Tape $1.54 $0.968 $0.635 $0.466 Reel $0.377 View $0.424 $0.389 $0.326 $0.272 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	8.5 V	SMD/SMT	19.5 V	9.4 V	SMA (DO-214AC)	205 A	600 W	8 kV	15 kV	- 55 C	+ 175 C	TVS Diodes	SMA6J		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T30AY STMicroelectronics 1: $2.53 2,853In Stock	Mfr. Part No. SM4T30AY Mouser Part No 511-SM4T30AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	2,853In Stock	Cut Tape $2.53 $1.59 $1.04 $0.804 Reel $0.592 View $0.681 $0.649 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	26 V	SMD/SMT	53.5 V	28.9 V	SMA (DO-214AC)	43 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T82AY STMicroelectronics 1: $1.59 3,849In Stock	Mfr. Part No. SM4T82AY Mouser Part No 511-SM4T82AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	3,849In Stock	Cut Tape $1.59 $1.00 $0.657 $0.483 Reel $0.39 View $0.439 $0.403 $0.337 $0.282 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	70 V	SMD/SMT	146 V	77.8 V	SMA (DO-214AC)	16 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T10AY STMicroelectronics 1: $1.59 3,946In Stock	Mfr. Part No. SM4T10AY Mouser Part No 511-SM4T10AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	3,946In Stock	Cut Tape $1.59 $1.00 $0.657 $0.483 Reel $0.39 View $0.439 $0.403 $0.337 $0.282 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	8.5 V	SMD/SMT	19.5 V	9.4 V	SMA (DO-214AC)	124 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 5.0V Unidirect SMAJ5.0A-TR STMicroelectronics 1: $1.12 130,649In Stock 80,000Expected 14/12/2026	Mfr. Part No. SMAJ5.0A-TR Mouser Part No 511-SMAJ5.0A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 5.0V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	130,649In Stock 80,000Expected 14/12/2026	Cut Tape $1.12 $0.704 $0.45 $0.335 Reel $0.23 View $0.271 $0.234 $0.196 $0.185 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	5 V	SMD/SMT	13.4 V	6.4 V	SMA (DO-214AC)	174 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 30V Unidirect SMAJ30A-TR STMicroelectronics 1: $0.952 20,765In Stock	Mfr. Part No. SMAJ30A-TR Mouser Part No 511-SMAJ30A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 30V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	20,765In Stock	Cut Tape $0.952 $0.431 $0.378 $0.287 Reel $0.197 View $0.265 $0.228 $0.171 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	30 V	SMD/SMT	64.3 V	33.3 V	SMA (DO-214AC)	36 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 40V Unidirect SMAJ40A-TR STMicroelectronics 1: $0.843 12,194In Stock	Mfr. Part No. SMAJ40A-TR Mouser Part No 511-SMAJ40A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 40V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	12,194In Stock	Cut Tape $0.843 $0.461 $0.347 $0.307 Reel $0.189 View $0.268 $0.228 $0.185 $0.165 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	40 V	SMD/SMT	84 V	44.4 V	SMA (DO-214AC)	27 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T47AY STMicroelectronics 1: $2.53 3,028In Stock	Mfr. Part No. SM4T47AY Mouser Part No 511-SM4T47AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	3,028In Stock	Cut Tape $2.53 $1.59 $1.04 $0.804 Reel $0.592 View $0.681 $0.649 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	40 V	SMD/SMT	84 V	44.4 V	SMA (DO-214AC)	27 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T6V7AY STMicroelectronics 1: $1.59 5,831In Stock	Mfr. Part No. SM4T6V7AY Mouser Part No 511-SM4T6V7AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	5,831In Stock	Cut Tape $1.59 $1.00 $0.657 $0.483 Reel $0.39 View $0.439 $0.403 $0.337 $0.282 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	5 V	SMD/SMT	13.4 V	6.4 V	SMA (DO-214AC)	174 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 24V Unidirect SMAJ24A-TR STMicroelectronics 1: $0.884 11,442In Stock 30,000Expected 15/10/2026	Mfr. Part No. SMAJ24A-TR Mouser Part No 511-SMAJ24A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 24V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	11,442In Stock 30,000Expected 15/10/2026	Cut Tape $0.884 $0.431 $0.348 $0.275 Reel $0.185 View $0.252 $0.215 $0.169 $0.167 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	24 V	SMD/SMT	50 V	26.7 V	SMA (DO-214AC)	46 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 26V Unidirect SMAJ26A-TR STMicroelectronics 1: $1.12 6,583In Stock	Mfr. Part No. SMAJ26A-TR Mouser Part No 511-SMAJ26A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 26V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,583In Stock	Cut Tape $1.12 $0.704 $0.45 $0.335 Reel $0.23 View $0.271 $0.234 $0.196 $0.185 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	26 V	SMD/SMT	53.5 V	28.9 V	SMA (DO-214AC)	43 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 58V Unidirect SMAJ58A-TR STMicroelectronics 1: $1.21 7,780In Stock 25,000Expected 4/1/2027	Mfr. Part No. SMAJ58A-TR Mouser Part No 511-SMAJ58A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 58V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	7,780In Stock 25,000Expected 4/1/2027	Cut Tape $1.21 $0.768 $0.491 $0.366 Reel $0.252 View $0.295 $0.256 $0.214 $0.203 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	58 V	SMD/SMT	121 V	64.4 V	SMA (DO-214AC)	19 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 6.0V Unidirect SMAJ6.0A-TR STMicroelectronics 1: $0.952 3,868In Stock 10,000Expected 1/12/2026	Mfr. Part No. SMAJ6.0A-TR Mouser Part No 511-SMAJ6.0A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 6.0V Unidirect Learn More about STMicroelectronics stm 400w transil tvs	Datasheet	3,868In Stock 10,000Expected 1/12/2026	Cut Tape $0.952 $0.431 $0.378 $0.287 Reel $0.204 View $0.265 $0.228 $0.171 $0.156 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	6 V	SMD/SMT	13.7 V	6.7 V	SMA (DO-214AC)	170 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 6.5V Unidirect SMAJ6.5A-TR STMicroelectronics 1: $1.12 7,922In Stock	Mfr. Part No. SMAJ6.5A-TR Mouser Part No 511-SMAJ6.5A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 6.5V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	7,922In Stock	Cut Tape $1.12 $0.704 $0.45 $0.335 Reel $0.23 View $0.271 $0.234 $0.196 $0.185 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	6.5 V	SMD/SMT	14.5 V	7.2 V	SMA (DO-214AC)	160 A	400 W	8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	SMAJ		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes High Temp Transil SMA6J85A-TR STMicroelectronics 1: $1.67 155In Stock	Mfr. Part No. SMA6J85A-TR Mouser Part No 511-SMA6J85A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes High Temp Transil Learn More about STMicroelectronics stm 600w tvs diode	Datasheet	155In Stock	Cut Tape $1.67 $1.05 $0.69 $0.506 Reel $0.409 View $0.461 $0.423 $0.355 $0.295 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	85 V	SMD/SMT	178 V	94 V	SMA (DO-214AC)	22.5 A	600 W	8 kV	15 kV	- 55 C	+ 175 C	TVS Diodes	SMA6J		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T39AY STMicroelectronics 1: $2.53 7,648Expected 15/10/2026	Mfr. Part No. SM4T39AY Mouser Part No 511-SM4T39AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	7,648Expected 15/10/2026	Cut Tape $2.53 $1.59 $1.04 $0.804 Reel $0.592 View $0.681 $0.649 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	33 V	SMD/SMT	69.7 V	36.7 V	SMA (DO-214AC)	33 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T68AY STMicroelectronics 1: $2.35 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. SM4T68AY Mouser Part No 511-SM4T68AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.35 $1.48 $1.19 $0.994 Reel $0.588 View $0.774 $0.666 $0.636 $0.54 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	58 V	SMD/SMT	121 V	64.4 V	SMA (DO-214AC)	19 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T7V6AY STMicroelectronics 5,000: $0.39 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. SM4T7V6AY Mouser Part No 511-SM4T7V6AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.39 $0.337 $0.282	Min.: 5,000 Mult.: 5,000 : 5,000	Unidirectional	1 Channel	6.5 V	SMD/SMT	14.5 V	7.2 V	SMA (DO-214AC)	160 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SM4TY	AEC-Q100	Reel

400W Transil™ Transient Voltage Suppressors (TVS)

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