.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 1,346

Applied Filters:

Brand = Multiple Values

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
SCRs 1.25 Amp 800 Volt X0202NA 1BA2 STMicroelectronics 1: £0.526 12,383In Stock	Mfr. Part No. X0202NA 1BA2 Mouser Part No 511-X0202NA	STMicroelectronics	SCRs 1.25 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	12,383In Stock	£0.526 £0.327 £0.21 £0.158 View £0.142 £0.124 £0.113 £0.104 £0.092	Min.: 1 Mult.: 1
SCRs 4 A Sensitive gate SCR X0405MH STMicroelectronics 1: £0.63 11,864In Stock	Mfr. Part No. X0405MH Mouser Part No 511-X0405MH	STMicroelectronics	SCRs 4 A Sensitive gate SCR Learn More about STMicroelectronics stm x040 scrs z040 triacs	Datasheet	11,864In Stock	Cut Tape £0.63 £0.267 £0.237 £0.192 Reel £0.14 View £0.158 £0.127	Min.: 1 Mult.: 1 : 3,000
Triacs 1.0 Amp 600 Volt Z0103MA 1AA2 STMicroelectronics 1: £0.368 20,347In Stock	Mfr. Part No. Z0103MA 1AA2 Mouser Part No 511-Z0103MA	STMicroelectronics	Triacs 1.0 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	20,347In Stock	£0.368 £0.228 £0.145 £0.108 View £0.087 £0.086 £0.075 £0.073 £0.06	Min.: 1 Mult.: 1
Triacs 1.0 Amp 600 Volt Z0103MN 5AA4 STMicroelectronics 1: £0.413 24,653In Stock	Mfr. Part No. Z0103MN 5AA4 Mouser Part No 511-Z0103MN	STMicroelectronics	Triacs 1.0 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	24,653In Stock	Cut Tape £0.413 £0.252 £0.161 £0.12 Reel £0.107 View £0.091 £0.081 £0.078 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Diacs 32 Volt Trigger DB3 STMicroelectronics 1: £0.173 24,996In Stock 210,000On Order	Mfr. Part No. DB3 Mouser Part No 511-DB3	STMicroelectronics	Diacs 32 Volt Trigger Learn More about STMicroelectronics stm standard products	Datasheet	24,996In Stock 210,000On Order On Order Ship Dates Mfr. No: DB3 Stock: 24,996 Can Dispatch Immediately On Order: 120,000 Expected 25/11/2026 90,000 Expected 17/02/2027 Factory Lead Time: 11 Weeks	Cut Tape £0.173 £0.107 £0.067 £0.049 Reel £0.032 View £0.038 £0.027 £0.024	Min.: 1 Mult.: 1 : 5,000
Diacs 32 Volt Trigger DB3TG STMicroelectronics 1: £0.173 778In Stock 60,000Expected 22/03/2027	Mfr. Part No. DB3TG Mouser Part No 511-DB3TG	STMicroelectronics	Diacs 32 Volt Trigger Learn More about STMicroelectronics stm standard products	Datasheet	778In Stock 60,000Expected 22/03/2027	Cut Tape £0.173 £0.107 £0.067 £0.049 Reel £0.034 View £0.038 £0.028 £0.024	Min.: 1 Mult.: 1 : 5,000
SCRs 80 A 1200 V High Temperature SCR Thyristor STMicroelectronics TN8050H-12PI TN8050H-12PI STMicroelectronics 1: £6.01 571In Stock	Mfr. Part No. TN8050H-12PI Mouser Part No 511-TN8050H-12PI	STMicroelectronics	SCRs 80 A 1200 V High Temperature SCR Thyristor Learn More about STMicroelectronics stm tn scrs	Datasheet	571In Stock	£6.01 £4.02 £3.24 £2.87 £2.55	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5000 W, 20 V TVS SMC50J20CA STMicroelectronics 1: £1.90 864In Stock	Mfr. Part No. SMC50J20CA Mouser Part No 511-SMC50J20CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 20 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	864In Stock	Cut Tape £1.90 £1.22 £0.934 £0.834 Reel £0.555 View £0.656 £0.63 £0.511 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 5000 W, 24 V TVS SMC50J24CA STMicroelectronics 1: £1.90 970In Stock	Mfr. Part No. SMC50J24CA Mouser Part No 511-SMC50J24CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 24 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	970In Stock	Cut Tape £1.90 £1.22 £0.934 £0.834 Reel £0.555 View £0.656 £0.63 £0.511 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs Transient Vltg Protected AC Switch ACS108-6SN-TR STMicroelectronics 1: £0.721 2,713In Stock	Mfr. Part No. ACS108-6SN-TR Mouser Part No 511-ACS108-6SN-TR	STMicroelectronics	Triacs Transient Vltg Protected AC Switch	Datasheet	2,713In Stock	Cut Tape £0.721 £0.449 £0.292 £0.224 Reel £0.192 View £0.174 £0.157 £0.154 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs Triac Crowbar 10mA Switch 10A 700V ACST1010-7T STMicroelectronics 1: £1.84 976In Stock	Mfr. Part No. ACST1010-7T Mouser Part No 511-ACST1010-7T	STMicroelectronics	Triacs Triac Crowbar 10mA Switch 10A 700V Learn More about STMicroelectronics stmicro acst10 acst12	Datasheet	976In Stock	£1.84 £0.899 £0.803 £0.643 View £0.588 £0.557	Min.: 1 Mult.: 1
Triacs Triac Crowbar 35mA Switch 12A 700V ACST1235-7GTR STMicroelectronics 1: £2.15 908In Stock	Mfr. Part No. ACST1235-7GTR Mouser Part No 511-ACST1235-7GTR	STMicroelectronics	Triacs Triac Crowbar 35mA Switch 12A 700V Learn More about STMicroelectronics stmicro acst10 acst12	Datasheet	908In Stock	Cut Tape £2.15 £1.39 £0.96 £0.773 Reel £0.709 £0.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 12 A 800 V Over-voltage protected AC switch ACST1235-8FP STMicroelectronics 1: £1.88 1,698In Stock	Mfr. Part No. ACST1235-8FP Mouser Part No 511-ACST1235-8FP	STMicroelectronics	Triacs 12 A 800 V Over-voltage protected AC switch Learn More about STMicroelectronics stmicro acst10 acst12	Datasheet	1,698In Stock	£1.88 £0.925 £0.826 £0.659 View £0.625 £0.57	Min.: 1 Mult.: 1
Triacs Triac Crowbar 10mA Switch 2A 800V ACST210-8BTR STMicroelectronics 1: £0.908 1,684In Stock	Mfr. Part No. ACST210-8BTR Mouser Part No 511-ACST210-8BTR	STMicroelectronics	Triacs Triac Crowbar 10mA Switch 2A 800V	Datasheet	1,684In Stock	Cut Tape £0.908 £0.57 £0.375 £0.291 Reel £0.233 View £0.264 £0.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs Overvoltage protected AC switch ACST310-8BTR STMicroelectronics 1: £1.00 1,379In Stock	Mfr. Part No. ACST310-8BTR Mouser Part No 511-ACST310-8BTR	STMicroelectronics	Triacs Overvoltage protected AC switch	Datasheet	1,379In Stock	Cut Tape £1.00 £0.633 £0.418 £0.326 Reel £0.263 View £0.296 £0.239 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs AC POWER SWITCH 4 AMP LOAD <10 mA ACST410-8FP STMicroelectronics 1: £1.27 959In Stock 4,000On Order	Mfr. Part No. ACST410-8FP Mouser Part No 511-ACST410-8FP	STMicroelectronics	Triacs AC POWER SWITCH 4 AMP LOAD <10 mA	Datasheet	959In Stock 4,000On Order On Order Ship Dates Mfr. No: ACST410-8FP Stock: 959 Can Dispatch Immediately On Order: 2,000 Expected 15/12/2026 2,000 Expected 18/12/2026 Factory Lead Time: 15 Weeks	£1.27 £0.603 £0.538 £0.423 View £0.386 £0.354 £0.334	Min.: 1 Mult.: 1
Triacs AC POWER SWITCH 6 AMP LOAD <10 mA ACST610-8FP STMicroelectronics 1: £1.56 1,353In Stock	Mfr. Part No. ACST610-8FP Mouser Part No 511-ACST610-8FP	STMicroelectronics	Triacs AC POWER SWITCH 6 AMP LOAD <10 mA Learn More about STMicroelectronics stm snubberless triacs	Datasheet	1,353In Stock	£1.56 £0.978 £0.646 £0.512 View £0.455 £0.416 £0.40 £0.386	Min.: 1 Mult.: 1
Triacs AC POWER SWITCH 6 AMP LOAD <10 mA ACST610-8G STMicroelectronics 1: £1.58 2,000In Stock	Mfr. Part No. ACST610-8G Mouser Part No 511-ACST610-8G	STMicroelectronics	Triacs AC POWER SWITCH 6 AMP LOAD <10 mA Learn More about STMicroelectronics stm snubberless triacs	Datasheet	2,000In Stock	£1.58 £0.766 £0.683 £0.542 View £0.497 £0.477 £0.453	Min.: 1 Mult.: 1
Triacs Auto Voltage Switch AVS10CB STMicroelectronics 1: £2.55 1,036In Stock	Mfr. Part No. AVS10CB Mouser Part No 511-AVS10CB	STMicroelectronics	Triacs Auto Voltage Switch	Datasheet	1,036In Stock	£2.55 £1.66 £1.14 £0.952 View £0.882 £0.834	Min.: 1 Mult.: 1
Triacs 6 Amp 400 Volt BTA06-400CRG STMicroelectronics 1: £1.69 920In Stock	Mfr. Part No. BTA06-400CRG Mouser Part No 511-BTA06-400C	STMicroelectronics	Triacs 6 Amp 400 Volt Learn More about STMicroelectronics stm standard products	Datasheet	920In Stock	£1.69 £0.818 £0.696 £0.583 View £0.535 £0.506 £0.502	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt BTA06-600CRG STMicroelectronics 1: £1.41 756In Stock 2,000Expected 07/12/2026	Mfr. Part No. BTA06-600CRG Mouser Part No 511-BTA06-600C	STMicroelectronics	Triacs 6 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	756In Stock 2,000Expected 07/12/2026	£1.41 £0.811 £0.644 £0.512 View £0.426 £0.347	Min.: 1 Mult.: 1
Triacs 6A TRIACS BTA06-800BWRG STMicroelectronics 1: £1.42 23In Stock 4,000Expected 21/12/2026	Mfr. Part No. BTA06-800BWRG Mouser Part No 511-BTA06-800BWRG	STMicroelectronics	Triacs 6A TRIACS Learn More about STMicroelectronics stm standard products	Datasheet	23In Stock 4,000Expected 21/12/2026	£1.42 £0.882 £0.587 £0.464 View £0.413 £0.378 £0.362 £0.351	Min.: 1 Mult.: 1
Triacs 6 A IT 600/800 V 5 to 50 IGT mA BTA06-800TWRG STMicroelectronics 1: £1.43 335In Stock 2,000Expected 30/11/2026	Mfr. Part No. BTA06-800TWRG Mouser Part No 511-BTA06-800TWRG	STMicroelectronics	Triacs 6 A IT 600/800 V 5 to 50 IGT mA Learn More about STMicroelectronics stm standard products	Datasheet	335In Stock 2,000Expected 30/11/2026	£1.43 £0.89 £0.678 £0.539 View £0.478 £0.437 £0.39 £0.365 £0.364	Min.: 1 Mult.: 1
Triacs 6A Snubberlesss Triacs BTA06T-600CWRG STMicroelectronics 1: £2.16 1,138In Stock	Mfr. Part No. BTA06T-600CWRG Mouser Part No 511-BTA06T-600CWRG	STMicroelectronics	Triacs 6A Snubberlesss Triacs Learn More about STMicroelectronics stm snubberless triacs	Datasheet	1,138In Stock	£2.16 £1.38 £0.943 £0.796 View £0.708 £0.67 £0.636	Min.: 1 Mult.: 1
Triacs 8 Amp 400 Volt BTA08-400BRG STMicroelectronics 1: £2.01 1,377In Stock	Mfr. Part No. BTA08-400BRG Mouser Part No 511-BTA08-400B	STMicroelectronics	Triacs 8 Amp 400 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,377In Stock	£2.01 £1.28 £0.871 £0.743 View £0.657 £0.622 £0.591	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support

Share This

Circuit Protection

Types of Circuit Protection

Applied Filters: