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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 Uni SM4T10AY STMicroelectronics 1: £0.803 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 £0.803 £0.373 £0.314 £0.246 Reel £0.186 View £0.237 £0.23 £0.184 £0.16 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 3000 W, 40 V TVS in SMC SMC30J40A STMicroelectronics 1: £1.57 1,537In Stock	Mfr. Part No. SMC30J40A Mouser Part No 511-SMC30J40A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W, 40 V TVS in SMC Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	1,537In Stock	Cut Tape £1.57 £1.00 £0.759 £0.676 Reel £0.443 View £0.536 £0.485 £0.396 £0.393 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs 4 Amp 700 Volt BTA04-700SRG STMicroelectronics 1: £1.89 1,095In Stock	Mfr. Part No. BTA04-700SRG Mouser Part No 511-BTA04-700S	STMicroelectronics	Triacs 4 Amp 700 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,095In Stock	£1.89 £1.20 £0.811 £0.656 View £0.587 £0.548 £0.528	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 4kW Transil SMA 5V to 70V Uni SMA6T7V6AY STMicroelectronics 1: £0.995 4,199In Stock	Mfr. Part No. SMA6T7V6AY Mouser Part No 511-SMA6T7V6AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 4kW Transil SMA 5V to 70V Uni Learn More about STMicroelectronics stmicro sma6ty automotive transil	Datasheet	4,199In Stock	Cut Tape £0.995 £0.624 £0.409 £0.315 Reel £0.231 View £0.267 £0.255 £0.223 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 3000W Transil 18V 0.2uA 15kV 8kV Uni SMC30J18A STMicroelectronics 1: £1.41 2,365In Stock	Mfr. Part No. SMC30J18A Mouser Part No 511-SMC30J18A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 18V 0.2uA 15kV 8kV Uni Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	2,365In Stock	Cut Tape £1.41 £0.943 £0.759 £0.675 Reel £0.443 View £0.536 £0.485 £0.396 £0.393 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 68V 50uA Bidirect SMP30-68 STMicroelectronics 1: £0.526 4,879In Stock	Mfr. Part No. SMP30-68 Mouser Part No 511-SMP30-68	STMicroelectronics	Board Mount Surge Protectors 68V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	4,879In Stock	Cut Tape £0.526 £0.363 £0.249 £0.167 View Reel £0.12 £0.15 £0.137 £0.12 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Triacs 16 Amp 600 Volt BTB16-600SWRG STMicroelectronics 1: £1.44 1,416In Stock	Mfr. Part No. BTB16-600SWRG Mouser Part No 511-BTB16-600SW	STMicroelectronics	Triacs 16 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,416In Stock	£1.44 £0.69 £0.53 £0.443 View £0.41 £0.404	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V Uni SM15T7V5AY STMicroelectronics 1: £1.21 2,500In Stock	Mfr. Part No. SM15T7V5AY Mouser Part No 511-SM15T7V5AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	2,500In Stock	Cut Tape £1.21 £0.766 £0.674 £0.545 Reel £0.339 View £0.436 £0.39 £0.338 £0.333 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 80 A 200 VR Crowbar Diode Telecom Trisil SMP80MC-200 STMicroelectronics 1: £0.713 4,967In Stock	Mfr. Part No. SMP80MC-200 Mouser Part No 511-SMP80MC-200	STMicroelectronics	Board Mount Surge Protectors 80 A 200 VR Crowbar Diode Telecom Trisil Learn More about STMicroelectronics stm standard products	Datasheet	4,967In Stock	Cut Tape £0.713 £0.443 £0.287 £0.221 Reel £0.159 View £0.199 £0.155 £0.148 £0.147 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
SCRs 4.0 Amp 800 Volt TYN804RG STMicroelectronics 1: £1.42 1,955In Stock	Mfr. Part No. TYN804RG Mouser Part No 511-TYN804	STMicroelectronics	SCRs 4.0 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,955In Stock	£1.42 £0.746 £0.577 £0.453 View £0.388 £0.361 £0.328 £0.314 £0.298	Min.: 1 Mult.: 1
SCRs 12A 800V 150C Overvoltage protected ACST ACST1220H-8BTR STMicroelectronics 1: £1.73 2,063In Stock 2,500Expected 09/11/2026	Mfr. Part No. ACST1220H-8BTR Mouser Part No 511-ACST1220H-8BTR	STMicroelectronics	SCRs 12A 800V 150C Overvoltage protected ACST	Datasheet	2,063In Stock 2,500Expected 09/11/2026	Cut Tape £1.73 £1.08 £0.711 £0.565 £0.501 Reel £0.43 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive dual-line unidirectional ESD protection ESDA5WY STMicroelectronics 1: £0.263 11,244In Stock 15,000Expected 21/04/2027	Mfr. Part No. ESDA5WY Mouser Part No 511-ESDA5WY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line unidirectional ESD protection Learn More about STMicroelectronics stmicro esda5wy esd protection	Datasheet	11,244In Stock 15,000Expected 21/04/2027	Cut Tape £0.263 £0.117 £0.102 £0.076 Reel £0.056 View £0.065 £0.053 £0.047 £0.043 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Ultra low capacitance single line bidirectional ESD protection ESDZX168B-1BF4 STMicroelectronics 1: £0.158 66,638In Stock	Mfr. Part No. ESDZX168B-1BF4 Mouser Part No 511-ESDZX168B-1BF4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Ultra low capacitance single line bidirectional ESD protection Learn More about STMicroelectronics st esdzx168b 1bf4 bidirectional tvs diode	Datasheet	66,638In Stock	Cut Tape £0.158 £0.08 £0.056 £0.045 View Reel £0.021 £0.035 £0.03 £0.028 £0.024 £0.021 MouseReel Available	Min.: 1 Mult.: 1 : 17,000
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 8.5 V TVS SM50T10AY STMicroelectronics 1: £2.13 2,385In Stock	Mfr. Part No. SM50T10AY Mouser Part No 511-SM50T10AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 8.5 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,385In Stock	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 10 V TVS SM50T12AY STMicroelectronics 1: £2.13 2,488In Stock	Mfr. Part No. SM50T12AY Mouser Part No 511-SM50T12AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 10 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,488In Stock	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 23 V TVS SM50T27AY STMicroelectronics 1: £2.13 4,990In Stock	Mfr. Part No. SM50T27AY Mouser Part No 511-SM50T27AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 23 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	4,990In Stock	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 24 V TVS SM50T28AY STMicroelectronics 1: £2.13 2,406In Stock	Mfr. Part No. SM50T28AY Mouser Part No 511-SM50T28AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 24 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,406In Stock	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 31 V TVS SM50T36AY STMicroelectronics 1: £2.13 2,467In Stock	Mfr. Part No. SM50T36AY Mouser Part No 511-SM50T36AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 31 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,467In Stock	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 48 V TVS SM50T56AY STMicroelectronics 1: £2.13 412In Stock 2,500Expected 18/11/2026	Mfr. Part No. SM50T56AY Mouser Part No 511-SM50T56AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 48 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	412In Stock 2,500Expected 18/11/2026	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 5 V TVS SM50T6V8AY STMicroelectronics 1: £2.21 2,435In Stock	Mfr. Part No. SM50T6V8AY Mouser Part No 511-SM50T6V8AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 5 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,435In Stock	Cut Tape £2.21 £1.42 £1.15 £0.978 Reel £0.721 View £0.766 £0.721 £0.65 £0.645 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 6.5 V TVS SM50T7V5AY STMicroelectronics 1: £2.13 2,210In Stock	Mfr. Part No. SM50T7V5AY Mouser Part No 511-SM50T7V5AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 6.5 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,210In Stock	Cut Tape £2.13 £1.37 £1.05 £0.943 Reel £0.634 View £0.759 £0.711 £0.597 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 600 W, 16 V TVS SM6F16AY STMicroelectronics 1: £0.555 7,181In Stock 6,000Expected 13/01/2027	Mfr. Part No. SM6F16AY Mouser Part No 511-SM6F16AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 600 W, 16 V TVS Learn More about STMicroelectronics stm sm6fxay tvs diodes	Datasheet	7,181In Stock 6,000Expected 13/01/2027	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.129 £0.113	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive 600 W, 18 V TVS SM6F18AY STMicroelectronics 1: £0.555 6,992In Stock	Mfr. Part No. SM6F18AY Mouser Part No 511-SM6F18AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 600 W, 18 V TVS Learn More about STMicroelectronics stm sm6fxay tvs diodes	Datasheet	6,992In Stock	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.129 £0.113 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive 600 W, 24 V TVS SM6F24AY STMicroelectronics 1: £0.555 4,523In Stock	Mfr. Part No. SM6F24AY Mouser Part No 511-SM6F24AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 600 W, 24 V TVS Learn More about STMicroelectronics stm sm6fxay tvs diodes	Datasheet	4,523In Stock	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.159 View £0.118 £0.104 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive 600 W, 31 V TVS SM6F31AY STMicroelectronics 1: £0.555 4,722In Stock	Mfr. Part No. SM6F31AY Mouser Part No 511-SM6F31AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 600 W, 31 V TVS Learn More about STMicroelectronics stm sm6fxay tvs diodes	Datasheet	4,722In Stock	Cut Tape £0.555 £0.252 £0.223 £0.169 Reel £0.129 £0.113	Min.: 1 Mult.: 1 : 3,000

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