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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 Low Clamping TVS ESD Low Cap Uni Single ESDZL5-1F4 STMicroelectronics 1: £0.098 339,902In Stock	Mfr. Part No. ESDZL5-1F4 Mouser Part No 511-ESDZL5-1F4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Low Clamping TVS ESD Low Cap Uni Single Learn More about STMicroelectronics stm esdz tvs diodes	Datasheet	339,902In Stock	Cut Tape £0.098 £0.047 £0.038 £0.03 View Reel £0.013 £0.023 £0.02 £0.019 £0.014 £0.013 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes Ultra Low clamping single line bidirectional ESD protection ESDZV5H-1BU2 STMicroelectronics 1: £0.15 137,371In Stock 105,000Expected 29/10/2026	Mfr. Part No. ESDZV5H-1BU2 Mouser Part No 511-ESDZV5H-1BU2	STMicroelectronics	ESD Protection Diodes / TVS Diodes Ultra Low clamping single line bidirectional ESD protection	Datasheet	137,371In Stock 105,000Expected 29/10/2026	Cut Tape £0.15 £0.067 £0.052 £0.043 View Reel £0.02 £0.037 £0.032 £0.03 £0.023 £0.02 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes Ultra-low clamping single line bidirectional ESD protection ESDZV5HS-1BF4 STMicroelectronics 1: £0.098 459,415In Stock	Mfr. Part No. ESDZV5HS-1BF4 Mouser Part No 511-ESDZV5HS-1BF4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Ultra-low clamping single line bidirectional ESD protection Learn More about STMicroelectronics stm esdzv5 1bf4 tvs diode	Datasheet	459,415In Stock	Cut Tape £0.098 £0.047 £0.032 £0.027 View Reel £0.013 £0.023 £0.02 £0.019 £0.014 £0.013	Min.: 1 Mult.: 1 : 15,000
LED Protection Devices LED Bypass 100nA 1A 15kV 8kV BI LBP01-0810B STMicroelectronics 1: £0.863 7,123In Stock	Mfr. Part No. LBP01-0810B Mouser Part No 511-LBP01-0810B	STMicroelectronics	LED Protection Devices LED Bypass 100nA 1A 15kV 8kV BI Learn More about STMicroelectronics stmicro lbp01	Datasheet	7,123In Stock	Cut Tape £0.863 £0.537 £0.35 £0.269 Reel £0.21 View £0.243 £0.194 £0.182 £0.176 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 27 V TVS for load dump in D2PAK LDP01-30AY STMicroelectronics 1: £3.19 7,787In Stock	Mfr. Part No. LDP01-30AY Mouser Part No 511-LDP01-30AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 27 V TVS for load dump in D2PAK	Datasheet	7,787In Stock	Cut Tape £3.19 £2.10 £1.62 £1.47 Reel £1.11 View £1.21 £1.05 £1.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 30 V TVS for load dump in D2PAK LDP01-35AY STMicroelectronics 1: £2.91 4,236In Stock 6,000Expected 28/11/2026	Mfr. Part No. LDP01-35AY Mouser Part No 511-LDP01-35AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 30 V TVS for load dump in D2PAK	Datasheet	4,236In Stock 6,000Expected 28/11/2026	Cut Tape £2.91 £1.96 £1.60 £1.41 Reel £1.07 View £1.21 £1.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 33 V TVS for load dump in D2PAK LDP01-39AY STMicroelectronics 1: £3.20 1,580In Stock 2,000Expected 17/11/2026	Mfr. Part No. LDP01-39AY Mouser Part No 511-LDP01-39AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 33 V TVS for load dump in D2PAK	Datasheet	1,580In Stock 2,000Expected 17/11/2026	Cut Tape £3.20 £1.94 £1.57 £1.39 Reel £1.08 View £1.21 £1.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 48 V TVS for load dump in D2PAK LDP01-56AY STMicroelectronics 1: £3.03 975In Stock	Mfr. Part No. LDP01-56AY Mouser Part No 511-LDP01-56AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 48 V TVS for load dump in D2PAK	Datasheet	975In Stock	Cut Tape £3.03 £2.05 £1.67 £1.48 Reel £1.14 View £1.27 £1.08 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 58 V TVS for load dump in D2PAK LDP01-68AY STMicroelectronics 1: £3.30 1,528In Stock 2,000On Order	Mfr. Part No. LDP01-68AY Mouser Part No 511-LDP01-68AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 58 V TVS for load dump in D2PAK	Datasheet	1,528In Stock 2,000On Order	Cut Tape £3.30 £2.17 £1.69 £1.53 Reel £1.14 View £1.27 £1.08 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP LNBTVS4-304S STMicroelectronics 1: £2.27 1,677In Stock 2,500Expected 05/11/2026	Mfr. Part No. LNBTVS4-304S Mouser Part No 511-LNBTVS4-304S	STMicroelectronics	ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP Learn More about STMicroelectronics stm standard products	Datasheet	1,677In Stock 2,500Expected 05/11/2026	Cut Tape £2.27 £1.48 £1.13 £1.01 Reel £0.684 View £0.818 £0.773 £0.65 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP LNBTVS6-304S STMicroelectronics 1: £2.46 4,879In Stock	Mfr. Part No. LNBTVS6-304S Mouser Part No 511-LNBTVS6-304S	STMicroelectronics	ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP Learn More about STMicroelectronics stm standard products	Datasheet	4,879In Stock	Cut Tape £2.46 £1.60 £1.23 £1.11 Reel £0.759 View £0.899 £0.841 £0.727 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
SCRs 0.25 Amp 200 Volt P0102BL 5AA4 STMicroelectronics 1: £0.563 55,877In Stock	Mfr. Part No. P0102BL 5AA4 Mouser Part No 511-P0102BL	STMicroelectronics	SCRs 0.25 Amp 200 Volt Learn More about STMicroelectronics stm standard products	Datasheet	55,877In Stock	Cut Tape £0.563 £0.347 £0.223 £0.203 Reel £0.147 View £0.182 £0.134 £0.115 £0.10 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
SCRs 0.8 Amp 400 Volt P0102DN 5AA4 STMicroelectronics 1: £0.428 28,345In Stock 42,000Expected 16/11/2026	Mfr. Part No. P0102DN 5AA4 Mouser Part No 511-P0102DN	STMicroelectronics	SCRs 0.8 Amp 400 Volt Learn More about STMicroelectronics stm standard products	Datasheet	28,345In Stock 42,000Expected 16/11/2026	Cut Tape £0.428 £0.265 £0.169 £0.127 Reel £0.113 View £0.096 £0.086 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Batt & Overvolt Prot RBO40-40G STMicroelectronics 1: £3.65 3,045In Stock	Mfr. Part No. RBO40-40G Mouser Part No 511-RBO40-40G	STMicroelectronics	ESD Protection Diodes / TVS Diodes Batt & Overvolt Prot	Datasheet	3,045In Stock	£3.65 £2.41 £1.89 £1.71 View £1.41 £1.37	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Reversed Battery OverVolt Prot RBO40-40G-TR STMicroelectronics 1: £3.55 3,383In Stock	Mfr. Part No. RBO40-40G-TR Mouser Part No 511-RBO40-40G-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes Reversed Battery OverVolt Prot	Datasheet	3,383In Stock	Cut Tape £3.55 £2.35 £1.83 £1.66 Reel £1.27 View £1.41 £1.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes 1500W 10V Bidirect SM15T10CA STMicroelectronics 1: £1.18 3,538In Stock	Mfr. Part No. SM15T10CA Mouser Part No 511-SM15T10CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 10V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,538In Stock	Cut Tape £1.18 £0.742 £0.554 £0.493 Reel £0.346 View £0.386 £0.321 £0.313 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI SM15T12CAY STMicroelectronics 1: £1.42 3,309In Stock	Mfr. Part No. SM15T12CAY Mouser Part No 511-SM15T12CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	3,309In Stock	Cut Tape £1.42 £0.908 £0.678 £0.606 Reel £0.402 View £0.478 £0.447 £0.351 £0.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 15V Bidirect SM15T15CA STMicroelectronics 1: £1.31 4,813In Stock 7,500Expected 25/01/2027	Mfr. Part No. SM15T15CA Mouser Part No 511-SM15T15CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 15V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	4,813In Stock 7,500Expected 25/01/2027	Cut Tape £1.31 £0.826 £0.618 £0.551 Reel £0.354 View £0.433 £0.40 £0.316 £0.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T18AY STMicroelectronics 1: £1.37 3,620In Stock	Mfr. Part No. SM15T18AY Mouser Part No 511-SM15T18AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	3,620In Stock	Cut Tape £1.37 £0.871 £0.65 £0.581 Reel £0.375 View £0.457 £0.425 £0.334 £0.331 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 220V Bidirect SM15T220CA STMicroelectronics 1: £1.33 3,187In Stock	Mfr. Part No. SM15T220CA Mouser Part No 511-SM15T220CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 220V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,187In Stock	Cut Tape £1.33 £0.849 £0.632 £0.564 Reel £0.351 View £0.443 £0.41 £0.321 £0.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 22V Unidirect SM15T22A STMicroelectronics 1: £1.23 6,636In Stock	Mfr. Part No. SM15T22A Mouser Part No 511-SM15T22A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 22V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,636In Stock	Cut Tape £1.23 £0.78 £0.582 £0.519 Reel £0.352 View £0.407 £0.387 £0.32 £0.295 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T27AY STMicroelectronics 1: £1.37 4,456In Stock	Mfr. Part No. SM15T27AY Mouser Part No 511-SM15T27AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	4,456In Stock	Cut Tape £1.37 £0.871 £0.65 £0.581 Reel £0.382 View £0.457 £0.419 £0.334 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 30V Bidirect SM15T30CA STMicroelectronics 1: £1.18 6,464In Stock	Mfr. Part No. SM15T30CA Mouser Part No 511-SM15T30CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 30V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,464In Stock	Cut Tape £1.18 £0.717 £0.554 £0.49 Reel £0.306 View £0.386 £0.362 £0.279 £0.275 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI SM15T30CAY STMicroelectronics 1: £1.42 14,010In Stock	Mfr. Part No. SM15T30CAY Mouser Part No 511-SM15T30CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	14,010In Stock	Cut Tape £1.42 £0.908 £0.678 £0.606 Reel £0.393 View £0.478 £0.447 £0.375 £0.352 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 33V Unidirect SM15T33A STMicroelectronics 1: £1.27 6,354In Stock 5,000Expected 01/11/2027	Mfr. Part No. SM15T33A Mouser Part No 511-SM15T33A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 33V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,354In Stock 5,000Expected 01/11/2027	Cut Tape £1.27 £0.803 £0.60 £0.534 Reel £0.343 View £0.42 £0.40 £0.333 £0.306 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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