.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 Automotive 3000 W, 6.5 V TVS in SMC SM30T7.5CAY STMicroelectronics 1: HK$15.70 1,955In Stock	Mfr. Part No. SM30T7.5CAY Mouser Part No 511-SM30T7.5CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 6.5 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,955In Stock	Cut Tape HK$15.70 HK$10.69 HK$8.71 HK$7.52 Reel HK$5.08 View HK$6.05 HK$5.52 HK$4.56 HK$4.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 4kW Transil SMA 5V to 70V Uni SMA6T47AY STMicroelectronics 1: HK$10.11 3,995In Stock	Mfr. Part No. SMA6T47AY Mouser Part No 511-SMA6T47AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 4kW Transil SMA 5V to 70V Uni Learn More about STMicroelectronics stmicro sma6ty automotive transil	Datasheet	3,995In Stock	Cut Tape HK$10.11 HK$5.84 HK$4.97 HK$4.04 Reel HK$2.53 View HK$3.27 HK$2.93 HK$2.79 HK$2.28 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 188V Bidirect SMAJ188CA-TR STMicroelectronics 1: HK$6.17 9,424In Stock	Mfr. Part No. SMAJ188CA-TR Mouser Part No 511-SMAJ188CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 188V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	9,424In Stock	Cut Tape HK$6.17 HK$2.80 HK$2.47 HK$1.87 Reel HK$1.23 View HK$1.72 HK$1.18 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes TRANSIL PROTECTION SMBJ22CA-TR STMicroelectronics 1: HK$5.10 8,035In Stock	Mfr. Part No. SMBJ22CA-TR Mouser Part No 511-SMBJ22CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes TRANSIL PROTECTION Learn More about STMicroelectronics stm standard products	Datasheet	8,035In Stock	Cut Tape HK$5.10 HK$2.80 HK$2.24 HK$1.77 Reel HK$1.32 View HK$1.59 HK$1.28 HK$1.27 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000W Transil 15V 0.2uA 15kV 8kV Uni SMC30J15A STMicroelectronics 1: HK$16.60 1,992In Stock	Mfr. Part No. SMC30J15A Mouser Part No 511-SMC30J15A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 15V 0.2uA 15kV 8kV Uni Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	1,992In Stock	Cut Tape HK$16.60 HK$11.26 HK$9.04 HK$7.53 Reel HK$4.64 View HK$5.86 HK$5.75 HK$4.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 188V Bidirect SMCJ188CA-TR STMicroelectronics 1: HK$11.26 3,792In Stock	Mfr. Part No. SMCJ188CA-TR Mouser Part No 511-SMCJ188CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 188V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,792In Stock	Cut Tape HK$11.26 HK$7.07 HK$5.25 HK$4.67 Reel HK$2.91 View HK$3.63 HK$3.15 HK$2.60 HK$2.57 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 18V Bidirect SMCJ18CA-TR STMicroelectronics 1: HK$11.34 3,256In Stock	Mfr. Part No. SMCJ18CA-TR Mouser Part No 511-SMCJ18CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 18V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,256In Stock	Cut Tape HK$11.34 HK$7.13 HK$5.30 HK$4.52 Reel HK$2.70 View HK$3.65 HK$3.15 HK$2.52 HK$2.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs 12A 800V 150°C D²PAK Logic Level T-Series Triac T1210T-8G STMicroelectronics 1: HK$16.44 2,787In Stock	Mfr. Part No. T1210T-8G Mouser Part No 511-T1210T-8G	STMicroelectronics	Triacs 12A 800V 150°C D²PAK Logic Level T-Series Triac Learn More about STMicroelectronics stm snubberless triacs	Datasheet	2,787In Stock	HK$16.44 HK$10.36 HK$6.80 HK$5.39 View HK$4.79 HK$4.37 HK$4.20 HK$4.11	Min.: 1 Mult.: 1
Triacs High temperature 8 A Sensitive TRIACs T810H-6G STMicroelectronics 1: HK$13.81 2,588In Stock	Mfr. Part No. T810H-6G Mouser Part No 511-T810H-6G	STMicroelectronics	Triacs High temperature 8 A Sensitive TRIACs Learn More about STMicroelectronics stmicrotjtriac	Datasheet	2,588In Stock	HK$13.81 HK$6.57 HK$5.86 HK$4.73 View HK$4.25 HK$3.92 HK$3.68	Min.: 1 Mult.: 1
Triacs Hi temp 8A Triacs T835H-6I STMicroelectronics 1: HK$15.78 1,978In Stock	Mfr. Part No. T835H-6I Mouser Part No 511-T835H-6I	STMicroelectronics	Triacs Hi temp 8A Triacs Learn More about STMicroelectronics stm h series triacs	Datasheet	1,978In Stock	HK$15.78 HK$7.55 HK$7.02 HK$5.56 View HK$5.01 HK$4.49 HK$4.41	Min.: 1 Mult.: 1
Triacs 8 A - 800 V - 150 °C 8H-Triac in TO-220AB Ins. T835H-8I STMicroelectronics 1: HK$16.36 2,243In Stock	Mfr. Part No. T835H-8I Mouser Part No 511-T835H-8I	STMicroelectronics	Triacs 8 A - 800 V - 150 °C 8H-Triac in TO-220AB Ins. Learn More about STMicroelectronics stm h series triacs	Datasheet	2,243In Stock	HK$16.36 HK$7.86 HK$7.03 HK$5.56 View HK$5.19 HK$4.76 HK$4.59	Min.: 1 Mult.: 1
SCRs 4.0 Amp 600 Volt TS420-600T STMicroelectronics 1: HK$12.74 2,299In Stock	Mfr. Part No. TS420-600T Mouser Part No 511-TS420-600T	STMicroelectronics	SCRs 4.0 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,299In Stock	HK$12.74 HK$6.00 HK$4.64 HK$3.81 View HK$3.34 HK$3.27	Min.: 1 Mult.: 1
SCRs 1.25 Amp 600 Volt X0205MA 1BA2 STMicroelectronics 1: HK$6.33 7,873In Stock	Mfr. Part No. X0205MA 1BA2 Mouser Part No 511-X0205MA	STMicroelectronics	SCRs 1.25 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	7,873In Stock	HK$6.33 HK$3.89 HK$2.49 HK$1.88 View HK$1.57 HK$1.14 HK$1.03 HK$1.02 HK$0.945	Min.: 1 Mult.: 1
SCRs 4 A Sensitive gate 200 uA SCR X0402MH STMicroelectronics 1: HK$6.41 4,298In Stock	Mfr. Part No. X0402MH Mouser Part No 511-X0402MH	STMicroelectronics	SCRs 4 A Sensitive gate 200 uA SCR Learn More about STMicroelectronics stm x040 scrs z040 triacs	Datasheet	4,298In Stock	Cut Tape HK$6.41 HK$2.93 HK$2.59 HK$2.10 Reel HK$1.53 View HK$1.73 HK$1.41 HK$1.40	Min.: 1 Mult.: 1 : 3,000
Triacs 4 A Triac Z0402MB STMicroelectronics 1: HK$6.99 4,970In Stock	Mfr. Part No. Z0402MB Mouser Part No 511-Z0402MB	STMicroelectronics	Triacs 4 A Triac Learn More about STMicroelectronics stm x040 scrs z040 triacs	Datasheet	4,970In Stock	Cut Tape HK$6.99 HK$4.63 HK$3.00 HK$2.30 Reel HK$1.82 View HK$2.07 HK$1.59 HK$1.55	Min.: 1 Mult.: 1 : 2,500
Triacs 6 Amp 600 Volt Snubberless 5mA BTA06-600TWRG STMicroelectronics 1: HK$14.06 2,337In Stock	Mfr. Part No. BTA06-600TWRG Mouser Part No 511-BTA06-600TW	STMicroelectronics	Triacs 6 Amp 600 Volt Snubberless 5mA Learn More about STMicroelectronics stm standard products	Datasheet	2,337In Stock	HK$14.06 HK$6.50 HK$5.12 HK$4.27 View HK$3.94 HK$3.75	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt BTB06-600CRG STMicroelectronics 1: HK$12.00 2,230In Stock	Mfr. Part No. BTB06-600CRG Mouser Part No 511-BTB06-600C	STMicroelectronics	Triacs 6 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,230In Stock	HK$12.00 HK$5.63 HK$4.45 HK$3.68 View HK$3.42 HK$3.02	Min.: 1 Mult.: 1
Board Mount Surge Protectors Dual current limited over Vltg PCLT-2AT4 STMicroelectronics 1: HK$39.87 678In Stock	Mfr. Part No. PCLT-2AT4 Mouser Part No 511-PCLT-2AT4	STMicroelectronics	Board Mount Surge Protectors Dual current limited over Vltg	Datasheet	678In Stock	HK$39.87 HK$16.19 HK$14.63 HK$14.55 View HK$14.14 HK$13.73 HK$13.23 HK$13.15 HK$12.99	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T15AY STMicroelectronics 1: HK$14.96 2,374In Stock	Mfr. Part No. SM15T15AY Mouser Part No 511-SM15T15AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	2,374In Stock	Cut Tape HK$14.96 HK$9.54 HK$7.12 HK$6.35 Reel HK$4.10 View HK$5.01 HK$4.37 HK$3.66 HK$3.53 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T24AY STMicroelectronics 1: HK$12.08 2,392In Stock	Mfr. Part No. SM15T24AY Mouser Part No 511-SM15T24AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	2,392In Stock	Cut Tape HK$12.08 HK$8.16 HK$7.20 HK$5.91 Reel HK$4.12 View HK$4.77 HK$4.32 HK$3.66 HK$3.53 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 40 V TVS in SMC SM30T47CAY STMicroelectronics 1: HK$15.04 1,960In Stock	Mfr. Part No. SM30T47CAY Mouser Part No 511-SM30T47CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 40 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,960In Stock	Cut Tape HK$15.04 HK$10.85 HK$8.71 HK$7.24 Reel HK$5.08 View HK$6.05 HK$5.61 HK$4.56 HK$4.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 40V Unidirect SMCJ40A-TR STMicroelectronics 1: HK$10.36 3,586In Stock	Mfr. Part No. SMCJ40A-TR Mouser Part No 511-SMCJ40A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 40V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,586In Stock	Cut Tape HK$10.36 HK$4.72 HK$3.63 HK$2.89 Reel HK$2.49 View HK$2.78 HK$2.35 HK$2.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 6.0V Unidirect SMCJ6.0A-TR STMicroelectronics 1: HK$10.36 2,943In Stock	Mfr. Part No. SMCJ6.0A-TR Mouser Part No 511-SMCJ6.0A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 6.0V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	2,943In Stock	Cut Tape HK$10.36 HK$4.82 HK$4.27 HK$3.31 Reel HK$2.66 View HK$2.35 HK$2.29 HK$2.12 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 100 A 400 VR Crowbar Diode Telecom Trisi SMP100MC-400 STMicroelectronics 1: HK$8.96 3,724In Stock	Mfr. Part No. SMP100MC-400 Mouser Part No 511-SMP100MC-400	STMicroelectronics	Board Mount Surge Protectors 100 A 400 VR Crowbar Diode Telecom Trisi Learn More about STMicroelectronics stm standard products	Datasheet	3,724In Stock	Cut Tape HK$8.96 HK$6.07 HK$4.30 HK$3.74 HK$3.36 Reel HK$2.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs 30 A - 600 V - 150 °C H-series Triacs T3050H-6G-TR STMicroelectronics 1: HK$25.40 916In Stock	Mfr. Part No. T3050H-6G-TR Mouser Part No 511-T3050H-6G-TR	STMicroelectronics	Triacs 30 A - 600 V - 150 °C H-series Triacs Learn More about STMicroelectronics stm t30xxh triacs	Datasheet	916In Stock	Cut Tape HK$25.40 HK$16.52 HK$11.43 HK$9.62 Reel HK$8.38 MouseReel Available	Min.: 1 Mult.: 1 : 1,000

Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support