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 (USD) 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: $0.69 14,965In 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	14,965In Stock	Cut Tape $0.69 $0.317 $0.273 $0.217 Reel $0.113 View $0.181 $0.156 $0.104 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: $1.66 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 $1.66 $0.959 $0.787 $0.669 Reel $0.415 View $0.54 $0.508 $0.478 $0.375 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: $0.74 7,966In 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	7,966In Stock	Cut Tape $0.74 $0.336 $0.244 $0.188 Reel $0.137 View $0.168 $0.157 $0.13 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: $1.60 15,944In 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	15,944In Stock	Cut Tape $1.60 $0.955 $0.787 $0.661 Reel $0.419 View $0.533 $0.502 $0.469 $0.40 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: $1.14 3,526In 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	3,526In Stock	Cut Tape $1.14 $0.713 $0.468 $0.344 Reel $0.241 View $0.313 $0.287 $0.214 $0.202 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: $1.66 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 $1.66 $0.962 $0.787 $0.675 Reel $0.416 View $0.545 $0.513 $0.478 $0.375 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: $1.06 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 $1.06 $0.496 $0.429 $0.324 Reel $0.248 View $0.304 $0.286 $0.228 $0.21 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: $1.07 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 $1.07 $0.496 $0.419 $0.328 Reel $0.248 View $0.316 $0.306 $0.245 $0.213 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: $0.66 127,778In Stock 80,000Expected 12/14/2026	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	127,778In Stock 80,000Expected 12/14/2026	Cut Tape $0.66 $0.297 $0.261 $0.197 Reel $0.14 View $0.184 $0.124 $0.123 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 24V Unidirect SMAJ24A-TR STMicroelectronics 1: $0.65 41,287In Stock	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	41,287In Stock	Cut Tape $0.65 $0.291 $0.255 $0.193 Reel $0.137 View $0.179 $0.166 $0.119 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 30V Unidirect SMAJ30A-TR STMicroelectronics 1: $0.65 20,755In 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	20,755In Stock	Cut Tape $0.65 $0.291 $0.255 $0.193 Reel $0.137 View $0.179 $0.119 $0.112 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: $0.69 11,784In 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	11,784In Stock	Cut Tape $0.69 $0.31 $0.272 $0.206 Reel $0.147 View $0.194 $0.134 $0.127 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 6.0V Unidirect SMAJ6.0A-TR STMicroelectronics 1: $0.65 13,818In Stock	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	13,818In Stock	Cut Tape $0.65 $0.291 $0.255 $0.193 Reel $0.137 View $0.179 $0.119 $0.115 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 SM4T47AY STMicroelectronics 1: $1.66 2,028In 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	2,028In Stock	Cut Tape $1.66 $1.06 $0.787 $0.701 Reel $0.416 View $0.551 $0.524 $0.478 $0.375 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: $1.08 5,456In 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	5,456In Stock	Cut Tape $1.08 $0.496 $0.439 $0.338 Reel $0.248 View $0.33 $0.316 $0.221 $0.218 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 26V Unidirect SMAJ26A-TR STMicroelectronics 1: $0.57 6,533In 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	6,533In Stock	Cut Tape $0.57 $0.297 $0.253 $0.197 Reel $0.14 View $0.182 $0.173 $0.122 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: $0.65 7,410In Stock 25,000Expected 1/4/2027	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	7,410In Stock 25,000Expected 1/4/2027	Cut Tape $0.65 $0.292 $0.256 $0.193 Reel $0.136 View $0.191 $0.119 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: $0.66 7,908In 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	7,908In Stock	Cut Tape $0.66 $0.297 $0.261 $0.197 Reel $0.14 View $0.184 $0.122 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: $1.18 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 $1.18 $0.545 $0.482 $0.372 Reel $0.258 View $0.354 $0.339 $0.23 $0.217 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: $1.66 17,648On Order	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	17,648On Order On Order Ship Dates Mfr. #: SM4T39AY Stock: 0 On Order: 7,648 Expected 11/5/2026 10,000 Expected 11/23/2026 Factory Lead-Time: 16 Weeks	Cut Tape $1.66 $1.06 $0.787 $0.701 Reel $0.416 View $0.551 $0.502 $0.478 $0.375 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: $1.78 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 $1.78 $1.10 $0.863 $0.732 Reel $0.433 View $0.57 $0.52 $0.508 $0.408 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: $0.248 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 $0.248 $0.208	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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400W Transil™ Transient Voltage Suppressors (TVS)

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