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Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T47CAY STMicroelectronics 1: £1.32 144In Stock 5,000Expected 05/11/2026	Mfr. Part No. SM4T47CAY Mouser Part No 511-SM4T47CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	144In Stock 5,000Expected 05/11/2026	Cut Tape £1.32 £0.834 £0.624 £0.556 Reel £0.306 View £0.382 £0.368 £0.362 £0.299 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T50CAY STMicroelectronics 1: £0.856 3,489In Stock 5,000Expected 05/11/2026	Mfr. Part No. SM4T50CAY Mouser Part No 511-SM4T50CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	3,489In Stock 5,000Expected 05/11/2026	Cut Tape £0.856 £0.395 £0.35 £0.271 Reel £0.199 View £0.266 £0.25 £0.177 £0.174 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T6V7AY STMicroelectronics 1: £0.811 5,456In 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	5,456In Stock	Cut Tape £0.811 £0.373 £0.33 £0.254 Reel £0.186 View £0.248 £0.23 £0.166 £0.155 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Automotive 600 W, 30 V TVS SM6F30AY STMicroelectronics 1: £0.555 210In Stock 9,000Expected 05/11/2026	Mfr. Part No. SM6F30AY Mouser Part No 511-SM6F30AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 600 W, 30 V TVS Learn More about STMicroelectronics stm sm6fxay tvs diodes	Datasheet	210In Stock 9,000Expected 05/11/2026	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.158 View £0.118 £0.104	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 10V Bidirect SM6T10CA STMicroelectronics 1: £0.555 8,963In Stock 7,500Expected 14/12/2026	Mfr. Part No. SM6T10CA Mouser Part No 511-SM6T10CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 10V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	8,963In Stock 7,500Expected 14/12/2026	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.132 £0.115 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi SM6T10CAY STMicroelectronics 1: £1.05 2,585In Stock	Mfr. Part No. SM6T10CAY Mouser Part No 511-SM6T10CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi Learn More about STMicroelectronics stmicro sm6ty 600w transil	Datasheet	2,585In Stock	Cut Tape £1.05 £0.652 £0.493 £0.429 Reel £0.26 View £0.333 £0.285 £0.229 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 12V Unidirect SM6T12A STMicroelectronics 1: £0.676 5,424In Stock	Mfr. Part No. SM6T12A Mouser Part No 511-SM6T12A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 12V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,424In Stock	Cut Tape £0.676 £0.308 £0.272 £0.208 Reel £0.164 View £0.141 £0.137 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 12V Bidirect SM6T12CA STMicroelectronics 1: £0.555 7,171In Stock 6,700Expected 05/11/2026	Mfr. Part No. SM6T12CA Mouser Part No 511-SM6T12CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 12V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	7,171In Stock 6,700Expected 05/11/2026	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.132 £0.115 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 150V Bidirect SM6T150CA STMicroelectronics 1: £0.788 5,805In Stock	Mfr. Part No. SM6T150CA Mouser Part No 511-SM6T150CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 150V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,805In Stock	Cut Tape £0.788 £0.362 £0.32 £0.247 Reel £0.196 View £0.24 £0.155 £0.151 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Uni SM6T15AY STMicroelectronics 1: £0.934 4,686In Stock	Mfr. Part No. SM6T15AY Mouser Part No 511-SM6T15AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Uni Learn More about STMicroelectronics stmicro sm6ty 600w transil	Datasheet	4,686In Stock	Cut Tape £0.934 £0.432 £0.383 £0.297 Reel £0.238 View £0.296 £0.21 £0.209 £0.195 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 15V Bidirect SM6T15CA STMicroelectronics 1: £0.593 1,027In Stock 20,000Expected 05/11/2026	Mfr. Part No. SM6T15CA Mouser Part No 511-SM6T15CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 15V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	1,027In Stock 20,000Expected 05/11/2026	Cut Tape £0.593 £0.268 £0.236 £0.179 Reel £0.141 View £0.178 £0.121 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 600 W, 14.1 V TVS in SMB SM6T16V5CAY STMicroelectronics 1: £0.705 2,609In Stock	Mfr. Part No. SM6T16V5CAY Mouser Part No 511-SM6T16V5CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 600 W, 14.1 V TVS in SMB Learn More about STMicroelectronics stmicro sm6ty 600w transil	Datasheet	2,609In Stock	Cut Tape £0.705 £0.438 £0.286 £0.216 Reel £0.171 View £0.202 £0.147 £0.141 £0.134 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 18V Bidirect SM6T18CA STMicroelectronics 1: £0.548 6,970In Stock 27,500On Order	Mfr. Part No. SM6T18CA Mouser Part No 511-SM6T18CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 18V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,970In Stock 27,500On Order On Order Ship Dates Mfr. No: SM6T18CA Stock: 6,970 Can Dispatch Immediately On Order: 10,000 Expected 12/11/2026 17,500 Expected 25/01/2027 Factory Lead Time: 16 Weeks	Cut Tape £0.548 £0.246 £0.217 £0.164 Reel £0.129 £0.112 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 200V Unidirect SM6T200A STMicroelectronics 1: £0.721 711In Stock 7,500Expected 01/11/2027	Mfr. Part No. SM6T200A Mouser Part No 511-SM6T200A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 200V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	711In Stock 7,500Expected 01/11/2027	Cut Tape £0.721 £0.331 £0.292 £0.224 Reel £0.178 View £0.223 £0.156 £0.148 £0.138 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 200V Bidirect SM6T200CA STMicroelectronics 1: £0.788 5,015In Stock 5,000Expected 15/02/2027	Mfr. Part No. SM6T200CA Mouser Part No 511-SM6T200CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 200V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,015In Stock 5,000Expected 15/02/2027	Cut Tape £0.788 £0.362 £0.32 £0.247 Reel £0.196 View £0.24 £0.173 £0.162 £0.151 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 220V Bidirect SM6T220CA STMicroelectronics 1: £0.766 3,448In Stock 7,500Expected 10/12/2026	Mfr. Part No. SM6T220CA Mouser Part No 511-SM6T220CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 220V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,448In Stock 7,500Expected 10/12/2026	Cut Tape £0.766 £0.354 £0.313 £0.24 Reel £0.191 View £0.168 £0.155 £0.149 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 22V Bidirect SM6T22CA STMicroelectronics 1: £0.555 4,171In Stock	Mfr. Part No. SM6T22CA Mouser Part No 511-SM6T22CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 22V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	4,171In Stock	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.132 View £0.168 £0.115 £0.11 £0.103 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 24V Bidirect SM6T24CA STMicroelectronics 1: £0.555 891In Stock 7,500Expected 05/11/2026	Mfr. Part No. SM6T24CA Mouser Part No 511-SM6T24CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 24V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	891In Stock 7,500Expected 05/11/2026	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.132 View £0.155 £0.115 £0.11 £0.107 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi SM6T24CAY STMicroelectronics 1: £1.65 1,768In Stock	Mfr. Part No. SM6T24CAY Mouser Part No 511-SM6T24CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi Learn More about STMicroelectronics stmicro sm6ty 600w transil	Datasheet	1,768In Stock	Cut Tape £1.65 £1.04 £0.834 £0.692 Reel £0.423 View £0.54 £0.464 £0.409 £0.388 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 27V Bidirect SM6T27CA STMicroelectronics 1: £0.555 6,488In Stock	Mfr. Part No. SM6T27CA Mouser Part No 511-SM6T27CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 27V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,488In Stock	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.132 View £0.127 £0.11 £0.107 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi SM6T27CAY STMicroelectronics 1: £1.46 2,610In Stock 30,000On Order	Mfr. Part No. SM6T27CAY Mouser Part No 511-SM6T27CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi Learn More about STMicroelectronics stmicro sm6ty 600w transil	Datasheet	2,610In Stock 30,000On Order On Order Ship Dates Mfr. No: SM6T27CAY Stock: 2,610 Can Dispatch Immediately On Order: 22,500 Expected 15/02/2027 7,500 TBD Factory Lead Time: 16 Weeks	Cut Tape £1.46 £0.934 £0.698 £0.624 Reel £0.405 View £0.493 £0.463 £0.362 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 33V Unidirect SM6T33A STMicroelectronics 1: £0.526 11,597In Stock 27,500On Order	Mfr. Part No. SM6T33A Mouser Part No 511-SM6T33A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 33V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	11,597In Stock 27,500On Order On Order Ship Dates Mfr. No: SM6T33A Stock: 11,597 Can Dispatch Immediately On Order: 12,500 Expected 05/11/2026 15,000 Expected 21/12/2026 Factory Lead Time: 16 Weeks	Cut Tape £0.526 £0.238 £0.21 £0.158 Reel £0.121 View £0.107 £0.10 £0.095 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 33V Bidirect SM6T33CA STMicroelectronics 1: £0.555 7,254In Stock 85,000On Order	Mfr. Part No. SM6T33CA Mouser Part No 511-SM6T33CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 33V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	7,254In Stock 85,000On Order On Order Ship Dates Mfr. No: SM6T33CA Stock: 7,254 Can Dispatch Immediately On Order: 60,000 Expected 30/12/2026 25,000 Expected 28/04/2027 Factory Lead Time: 16 Weeks	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.129 View £0.115 £0.11 £0.105 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 39V Bidirect SM6T39CA STMicroelectronics 1: £0.555 6,295In Stock 7,500Expected 14/12/2026	Mfr. Part No. SM6T39CA Mouser Part No 511-SM6T39CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 39V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,295In Stock 7,500Expected 14/12/2026	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.132 View £0.115 £0.11 £0.105 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi SM6T47CAY STMicroelectronics 1: £0.952 2,829In Stock	Mfr. Part No. SM6T47CAY Mouser Part No 511-SM6T47CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600 W 4kW Transil 6V to 70V Bi Learn More about STMicroelectronics stmicro sm6ty 600w transil	Datasheet	2,829In Stock	Cut Tape £0.952 £0.443 £0.393 £0.304 Reel £0.23 View £0.292 £0.203 £0.201 £0.187 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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Circuit Protection

Types of Circuit Protection

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