.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:

Manufacturer = 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 (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 5000 W, 28 V TVS SMC50J28CA STMicroelectronics 1: HK$20.88 554In Stock	Mfr. Part No. SMC50J28CA Mouser Part No 511-SMC50J28CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 28 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	554In Stock	Cut Tape HK$20.88 HK$13.40 HK$10.19 HK$9.12 Reel HK$6.07 View HK$7.18 HK$6.90 HK$5.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 5000 W, 30 V TVS SMC50J30CA STMicroelectronics 1: HK$20.88 488In Stock	Mfr. Part No. SMC50J30CA Mouser Part No 511-SMC50J30CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 30 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	488In Stock	Cut Tape HK$20.88 HK$13.40 HK$10.19 HK$9.12 Reel HK$6.07 View HK$7.18 HK$6.90 HK$5.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 5000 W, 33 V TVS SMC50J33CA STMicroelectronics 1: HK$20.88 536In Stock	Mfr. Part No. SMC50J33CA Mouser Part No 511-SMC50J33CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 33 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	536In Stock	Cut Tape HK$20.88 HK$13.40 HK$10.19 HK$9.12 Reel HK$6.07 View HK$7.45 HK$6.90 HK$5.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 5000 W, 36 V TVS SMC50J36CA STMicroelectronics 1: HK$20.88 530In Stock	Mfr. Part No. SMC50J36CA Mouser Part No 511-SMC50J36CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 36 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	530In Stock	Cut Tape HK$20.88 HK$13.40 HK$10.19 HK$9.12 Reel HK$6.07 View HK$7.18 HK$6.90 HK$5.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 5000 W, 40 V TVS SMC50J40CA STMicroelectronics 1: HK$20.88 828In Stock	Mfr. Part No. SMC50J40CA Mouser Part No 511-SMC50J40CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5000 W, 40 V TVS Learn More about STMicroelectronics stm smc50j tvs	Datasheet	828In Stock	Cut Tape HK$20.88 HK$13.40 HK$10.19 HK$9.12 Reel HK$6.07 View HK$7.18 HK$6.90 HK$5.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
SCRs 16 A High Temperature 800 V SCR TN1605H-8BTR STMicroelectronics 1: HK$18.33 1,723In Stock	Mfr. Part No. TN1605H-8BTR Mouser Part No 511-TN1605H-8BTR	STMicroelectronics	SCRs 16 A High Temperature 800 V SCR Learn More about STMicroelectronics stm tn scrs	Datasheet	1,723In Stock	Cut Tape HK$18.33 HK$11.59 HK$7.84 HK$6.36 Reel HK$5.33 View HK$5.70 HK$5.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
SCRs 16 A 800 V High Temperature SCR TN1605H-8I STMicroelectronics 1: HK$19.97 759In Stock	Mfr. Part No. TN1605H-8I Mouser Part No 511-TN1605H-8I	STMicroelectronics	SCRs 16 A 800 V High Temperature SCR Learn More about STMicroelectronics stm tn scrs	Datasheet	759In Stock	HK$19.97 HK$12.74 HK$8.47 HK$6.92 View HK$6.21 HK$5.80 HK$5.58	Min.: 1 Mult.: 1
SCRs 40A 800 V High Temperature SCR in TO220-AB insulated package TN4015H-8I STMicroelectronics 1: HK$23.34 366In Stock 9,000On Order	Mfr. Part No. TN4015H-8I Mouser Part No 511-TN4015H-8I	STMicroelectronics	SCRs 40A 800 V High Temperature SCR in TO220-AB insulated package Learn More about STMicroelectronics stm tn4015h scr	Datasheet	366In Stock 9,000On Order On Order Ship Dates Mfr. No: TN4015H-8I Stock: 366 Can Dispatch Immediately On Order: 1,000 Expected 9/11/2026 6,000 Expected 16/11/2026 2,000 Expected 18/11/2026 Factory Lead Time: 15 Weeks	HK$23.34 HK$11.51 HK$10.36 HK$8.38 View HK$7.67 HK$7.56	Min.: 1 Mult.: 1
SCRs 50 A 800 V High temperature SCR in TO-220AB-I Insulated package TN5015H-8I STMicroelectronics 1: HK$27.70 988In Stock	Mfr. Part No. TN5015H-8I Mouser Part No 511-TN5015H-8I	STMicroelectronics	SCRs 50 A 800 V High temperature SCR in TO-220AB-I Insulated package Learn More about STMicroelectronics stm tn scrs	Datasheet	988In Stock	HK$27.70 HK$18.00 HK$12.41 HK$10.11 HK$9.54	Min.: 1 Mult.: 1
SCRs 50 A 800 V High Temperature SCR in TO-220AB package TN5015H-8T STMicroelectronics 1: HK$26.72 1,151In Stock	Mfr. Part No. TN5015H-8T Mouser Part No 511-TN5015H-8T	STMicroelectronics	SCRs 50 A 800 V High Temperature SCR in TO-220AB package Learn More about STMicroelectronics stm tn scrs	Datasheet	1,151In Stock	HK$26.72 HK$13.32 HK$12.00 HK$10.36 View HK$9.62 HK$9.04	Min.: 1 Mult.: 1
Triacs AC LINE SWITCH ACS120-7SB-TR STMicroelectronics 1: HK$15.62 11,467In Stock	Mfr. Part No. ACS120-7SB-TR Mouser Part No 511-ACS120-7SB-TR	STMicroelectronics	Triacs AC LINE SWITCH	Datasheet	11,467In Stock	Cut Tape HK$15.62 HK$9.86 HK$6.49 HK$5.15 Reel HK$4.18 View HK$4.58 HK$4.02 HK$3.88 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs AC POWER SWITCH 8 AMP LOAD <10 mA ACST830-8GTR STMicroelectronics 1: HK$20.55 2,476In Stock	Mfr. Part No. ACST830-8GTR Mouser Part No 511-ACST830-8GTR	STMicroelectronics	Triacs AC POWER SWITCH 8 AMP LOAD <10 mA	Datasheet	2,476In Stock	Cut Tape HK$20.55 HK$13.15 HK$8.96 HK$7.13 Reel HK$6.51 HK$5.85 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs Auto Voltage Switch AVS12CB STMicroelectronics 1: HK$33.78 1,033In Stock 2,000Expected 14/12/2026	Mfr. Part No. AVS12CB Mouser Part No 511-AVS12CB	STMicroelectronics	Triacs Auto Voltage Switch	Datasheet	1,033In Stock 2,000Expected 14/12/2026	HK$33.78 HK$22.11 HK$16.03 HK$13.40 View HK$12.49 HK$11.67	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt BTA06-600BRG STMicroelectronics 1: HK$15.45 5,894In Stock	Mfr. Part No. BTA06-600BRG Mouser Part No 511-BTA06-600B	STMicroelectronics	Triacs 6 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	5,894In Stock	HK$15.45 HK$9.37 HK$6.38 HK$5.61 HK$3.81	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt BTA06-600BWRG STMicroelectronics 1: HK$18.00 3,404In Stock	Mfr. Part No. BTA06-600BWRG Mouser Part No 511-BTA06-600BW	STMicroelectronics	Triacs 6 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	3,404In Stock	HK$18.00 HK$9.37 HK$7.42 HK$5.89 View HK$5.23 HK$4.78 HK$4.59 HK$4.43	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt BTA06-600CWRG STMicroelectronics 1: HK$18.00 3,579In Stock	Mfr. Part No. BTA06-600CWRG Mouser Part No 511-BTA06-600CW	STMicroelectronics	Triacs 6 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	3,579In Stock	HK$18.00 HK$9.70 HK$7.42 HK$5.89 View HK$5.23 HK$4.78 HK$4.59 HK$4.43	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt Standard 5mA BTA06-600TRG STMicroelectronics 1: HK$20.80 2,171In Stock	Mfr. Part No. BTA06-600TRG Mouser Part No 511-BTA06-600T	STMicroelectronics	Triacs 6 Amp 600 Volt Standard 5mA Learn More about STMicroelectronics stm standard products	Datasheet	2,171In Stock	HK$20.80 HK$13.32 HK$9.04 HK$7.70 View HK$6.82 HK$6.45 HK$6.12	Min.: 1 Mult.: 1
Triacs 8.0 Amp 600 Volt BTA08-600BRG STMicroelectronics 1: HK$16.19 7,603In Stock	Mfr. Part No. BTA08-600BRG Mouser Part No 511-BTA08-600B	STMicroelectronics	Triacs 8.0 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	7,603In Stock	HK$16.19 HK$9.86 HK$6.68 HK$5.30 View HK$4.70 HK$4.30 HK$4.13 HK$3.99	Min.: 1 Mult.: 1
Triacs 8 Amp 600 Volt BTA08-600CWRG STMicroelectronics 1: HK$16.19 6,129In Stock 8,000Expected 15/2/2027	Mfr. Part No. BTA08-600CWRG Mouser Part No 511-BTA08-600CW	STMicroelectronics	Triacs 8 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	6,129In Stock 8,000Expected 15/2/2027	HK$16.19 HK$9.29 HK$8.47 HK$6.74 View HK$6.19 HK$5.73 HK$5.23 HK$3.99	Min.: 1 Mult.: 1
Triacs 8 Amp 600 Volt BTA08-600SWRG STMicroelectronics 1: HK$16.19 3,948In Stock	Mfr. Part No. BTA08-600SWRG Mouser Part No 511-BTA08-600SW	STMicroelectronics	Triacs 8 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	3,948In Stock	HK$16.19 HK$9.29 HK$6.68 HK$5.30 View HK$4.70 HK$4.30 HK$4.13 HK$3.99	Min.: 1 Mult.: 1
Triacs 8 Amp 700 Volt BTA08-700BRG STMicroelectronics 1: HK$22.61 2,999In Stock	Mfr. Part No. BTA08-700BRG Mouser Part No 511-BTA08-700B	STMicroelectronics	Triacs 8 Amp 700 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,999In Stock	HK$22.61 HK$14.47 HK$9.86 HK$8.30 View HK$7.41 HK$7.02 HK$6.67	Min.: 1 Mult.: 1
Triacs 10 Amp 600 Volt BTA10-600BRG STMicroelectronics 1: HK$16.69 3,372In Stock	Mfr. Part No. BTA10-600BRG Mouser Part No 511-BTA10-600B	STMicroelectronics	Triacs 10 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	3,372In Stock	HK$16.69 HK$10.03 HK$6.88 HK$5.68 View HK$5.67 HK$4.26 HK$4.11	Min.: 1 Mult.: 1
Triacs 10 Amp 600 Volt BTA10-600BWRG STMicroelectronics 1: HK$17.34 2,710In Stock	Mfr. Part No. BTA10-600BWRG Mouser Part No 511-BTA10-600BW	STMicroelectronics	Triacs 10 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,710In Stock	HK$17.34 HK$9.95 HK$7.42 HK$7.28 View HK$6.70 HK$6.21 HK$4.78	Min.: 1 Mult.: 1
Triacs 10 Amp 600 Volt BTA10-600CWRG STMicroelectronics 1: HK$16.85 2,628In Stock	Mfr. Part No. BTA10-600CWRG Mouser Part No 511-BTA10-600CW	STMicroelectronics	Triacs 10 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,628In Stock	HK$16.85 HK$8.11 HK$7.26 HK$5.76 View HK$5.27 HK$4.87 HK$4.78	Min.: 1 Mult.: 1
Triacs 12 Amp 600 Volt BTA12-600CWRG STMicroelectronics 1: HK$18.17 5,422In Stock 6,000Expected 15/2/2027	Mfr. Part No. BTA12-600CWRG Mouser Part No 511-BTA12-600CW	STMicroelectronics	Triacs 12 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	5,422In Stock 6,000Expected 15/2/2027	HK$18.17 HK$10.93 HK$7.50 HK$5.95 View HK$5.87 HK$4.64 HK$4.48	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support