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 (CLP) 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 400W 33V Unidirect SMAJ33A-TR STMicroelectronics 1: $637 15.164In Stock	Mfr. Part # SMAJ33A-TR Mouser Part # 511-SMAJ33A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 33V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	15.164In Stock	Cut Tape $637 $348 $248 $202 Reel $117 View $167 $142 $107 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 400 W 2.3kW Transil 5V to 70V Uni SM4T35AY STMicroelectronics 1: $1.603 5.763In Stock	Mfr. Part # SM4T35AY Mouser Part # 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 $1.603 $864 $671 $526 Reel $385 View $478 $403 $379 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: $856 12.979In Stock	Mfr. Part # SMAJ70A-TR Mouser Part # 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 $856 $426 $282 $218 View Reel $165 $197 $183 $165 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 400 W 2.3kW Transil 5V to 70V Uni SM4T28AY STMicroelectronics 1: $1.537 16.006In Stock	Mfr. Part # SM4T28AY Mouser Part # 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 $1.537 $864 $671 $526 Reel $385 View $478 $403 $379 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 HJ Temp Transil SMA6J8.5A-TR STMicroelectronics 1: $1.054 3.641In Stock	Mfr. Part # SMA6J8.5A-TR Mouser Part # 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 $1.054 $494 $423 $341 Reel $208 $205 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 SM4T10AY STMicroelectronics 1: $999 3.946In Stock	Mfr. Part # SM4T10AY Mouser Part # 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 $999 $545 $427 $327 Reel $253 View $295 $254 $237 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 400 W 2.3kW Transil 5V to 70V Uni SM4T30AY STMicroelectronics 1: $1.658 2.853In Stock	Mfr. Part # SM4T30AY Mouser Part # 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 $1.658 $864 $671 $526 View Reel $402 $478 $403 $402 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: $955 3.849In Stock	Mfr. Part # SM4T82AY Mouser Part # 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 $955 $545 $410 $315 Reel $227 View $289 $262 $217 $212 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 400W 30V Unidirect SMAJ30A-TR STMicroelectronics 1: $769 20.765In Stock	Mfr. Part # SMAJ30A-TR Mouser Part # 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 $769 $348 $305 $232 Reel $159 View $214 $184 $138 $124 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: $681 12.194In Stock	Mfr. Part # SMAJ40A-TR Mouser Part # 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 $681 $372 $280 $248 Reel $153 View $216 $184 $149 $133 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 400W 5.0V Unidirect SMAJ5.0A-TR STMicroelectronics 1: $615 130.804In Stock 80.000Expected 12/15/2026	Mfr. Part # SMAJ5.0A-TR Mouser Part # 511-SMAJ5.0A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 5.0V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	130.804In Stock 80.000Expected 12/15/2026	Cut Tape $615 $326 $249 $201 Reel $130 View $181 $165 $120 $114 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 400 W 2.3kW Transil 5V to 70V Uni SM4T47AY STMicroelectronics 1: $1.702 3.028In Stock	Mfr. Part # SM4T47AY Mouser Part # 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 $1.702 $864 $715 $605 Reel $385 $379 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: $1.120 5.931In Stock	Mfr. Part # SM4T6V7AY Mouser Part # 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	5.931In Stock	Cut Tape $1.120 $545 $451 $347 Reel $237 View $329 $292 $222 $212 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: $714 12.043In Stock 30.000Expected 10/19/2026	Mfr. Part # SMAJ24A-TR Mouser Part # 511-SMAJ24A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 24V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	12.043In Stock 30.000Expected 10/19/2026	Cut Tape $714 $348 $281 $222 Reel $149 View $203 $173 $136 $135 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: $593 6.693In Stock	Mfr. Part # SMAJ26A-TR Mouser Part # 511-SMAJ26A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 26V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	6.693In Stock	Cut Tape $593 $326 $265 $211 Reel $154 View $193 $172 $134 $127 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: $812 7.780In Stock 25.000Expected 3/8/2027	Mfr. Part # SMAJ58A-TR Mouser Part # 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 3/8/2027	Cut Tape $812 $369 $324 $246 Reel $166 View $218 $188 $147 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 6.5V Unidirect SMAJ6.5A-TR STMicroelectronics 1: $681 7.922In Stock	Mfr. Part # SMAJ6.5A-TR Mouser Part # 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 $681 $326 $266 $210 Reel $130 View $190 $165 $120 $107 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: $867 155In Stock	Mfr. Part # SMA6J85A-TR Mouser Part # 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 $867 $598 $479 $370 Reel $240 View $352 $306 $225 $223 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: $1.603 10.000Expected 10/20/2026	Mfr. Part # SM4T39AY Mouser Part # 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	10.000Expected 10/20/2026	Cut Tape $1.603 $864 $671 $526 Reel $402 View $478 $403 $390 $386 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 400W 6.0V Unidirect SMAJ6.0A-TR STMicroelectronics 1: $769 3.868In Stock 10.000Expected 12/9/2026	Mfr. Part # SMAJ6.0A-TR Mouser Part # 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 12/9/2026	Cut Tape $769 $348 $305 $232 Reel $165 View $214 $184 $138 $126 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 400 W 2.3kW Transil 5V to 70V Uni SM4T68AY STMicroelectronics 1: $1.823 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SM4T68AY Mouser Part # 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 $1.823 $948 $765 $601 Reel $448 View $572 $529 $422 $416 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: $233 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SM4T7V6AY Mouser Part # 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 $233 $223 $213	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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