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Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Triacs 12 Amp 600 Volt BTB12-600SWRG STMicroelectronics 1: HK$14.88 30,559In Stock 12,000Expected 29/10/2026	Mfr. Part No. BTB12-600SWRG Mouser Part No 511-BTB12-600SW	STMicroelectronics	Triacs 12 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	30,559In Stock 12,000Expected 29/10/2026	HK$14.88 HK$7.18 HK$5.90 HK$4.87 View HK$4.32 HK$3.94 HK$3.69	Min.: 1 Mult.: 1
Triacs 16 Amp 600 Volt BTB16-800BWRG STMicroelectronics 1: HK$18.50 2,936In Stock	Mfr. Part No. BTB16-800BWRG Mouser Part No 511-BTB16-800BW	STMicroelectronics	Triacs 16 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,936In Stock	HK$18.50 HK$9.54 HK$7.64 HK$6.07 View HK$5.38 HK$4.92 HK$4.73 HK$4.56	Min.: 1 Mult.: 1
Triacs 25 Amp 600 Volt BTB24-600BRG STMicroelectronics 1: HK$22.36 1,812In Stock	Mfr. Part No. BTB24-600BRG Mouser Part No 511-BTB24-600B	STMicroelectronics	Triacs 25 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,812In Stock	HK$22.36 HK$13.89 HK$9.78 HK$8.30 View HK$7.28 HK$6.89 HK$6.54	Min.: 1 Mult.: 1
Triacs 25 Amp 600 Volt BTB24-600BWRG STMicroelectronics 1: HK$22.93 4,603In Stock	Mfr. Part No. BTB24-600BWRG Mouser Part No 511-BTB24-600BW	STMicroelectronics	Triacs 25 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	4,603In Stock	HK$22.93 HK$13.15 HK$10.03 HK$8.55 View HK$8.38 HK$6.74	Min.: 1 Mult.: 1
Triacs 25 Amp 800 Volt BTB24-800BWRG STMicroelectronics 1: HK$23.59 5,662In Stock	Mfr. Part No. BTB24-800BWRG Mouser Part No 511-BTB24-800BW	STMicroelectronics	Triacs 25 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	5,662In Stock	HK$23.59 HK$15.12 HK$10.69 HK$8.80 View HK$8.06 HK$7.31 HK$6.95	Min.: 1 Mult.: 1
Triacs 40 Amp 800 Volt BTB41-800BRG STMicroelectronics 1: HK$57.62 577In Stock	Mfr. Part No. BTB41-800BRG Mouser Part No 511-BTB41-800B	STMicroelectronics	Triacs 40 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	577In Stock	HK$57.62 HK$36.41 HK$29.84 HK$26.63 HK$24.58	Min.: 1 Mult.: 1
SCRs 30 Amp 1200 Volt BTW68-1200RG STMicroelectronics 1: HK$54.66 2,158In Stock	Mfr. Part No. BTW68-1200RG Mouser Part No 511-BTW68-1200	STMicroelectronics	SCRs 30 Amp 1200 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,158In Stock	HK$54.66 HK$31.15 HK$25.98 HK$23.59	Min.: 1 Mult.: 1
SCRs 40 Amp 600 Volt BTW69-600RG STMicroelectronics 1: HK$58.77 1,249In Stock 1,800Expected 11/1/2027	Mfr. Part No. BTW69-600RG Mouser Part No 511-BTW69-600	STMicroelectronics	SCRs 40 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,249In Stock 1,800Expected 11/1/2027	HK$58.77 HK$34.11 HK$28.44 HK$24.58	Min.: 1 Mult.: 1
Inrush Current Limiters High speed digital input current limiter CLT01-38SQ7-TR STMicroelectronics 1: HK$29.10 2,230In Stock	Mfr. Part No. CLT01-38SQ7-TR Mouser Part No 511-CLT01-38SQ7-TR	STMicroelectronics	Inrush Current Limiters High speed digital input current limiter Learn More about STMicroelectronics stm clt01 38sq7 limiter	Datasheet	2,230In Stock	Cut Tape HK$29.10 HK$24.08 HK$22.19 HK$18.41 View Reel HK$13.97 HK$17.02 HK$15.29 HK$14.06 HK$13.97 HK$13.97	Min.: 1 Mult.: 1 : 2,500
Inrush Current Limiters Single line self powered digital input current limiter in SOT23-8L CLT03-1SC3 STMicroelectronics 1: HK$13.40 3,289In Stock	Mfr. Part No. CLT03-1SC3 Mouser Part No 511-CLT03-1SC3	STMicroelectronics	Inrush Current Limiters Single line self powered digital input current limiter in SOT23-8L Learn More about STMicroelectronics stm clt03 limiters	Datasheet	3,289In Stock	Cut Tape HK$13.40 HK$10.03 HK$7.55 HK$7.39 Reel HK$5.38 View HK$6.75 HK$6.21 HK$5.54 HK$4.64 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive single line 5V TVS in SOD323 ESDA051-1JY STMicroelectronics 1: HK$2.71 40,997In Stock	Mfr. Part No. ESDA051-1JY Mouser Part No 511-ESDA051-1JY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive single line 5V TVS in SOD323 Learn More about STMicroelectronics stm esda051 tvs	Datasheet	40,997In Stock	Cut Tape HK$2.71 HK$1.19 HK$1.04 HK$0.773 Reel HK$0.551 View HK$0.649 HK$0.51 HK$0.469 HK$0.419 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes High Power Transient Voltage Supressor ESDA13P70-1U1M STMicroelectronics 1: HK$4.44 71,437In Stock	Mfr. Part No. ESDA13P70-1U1M Mouser Part No 511-ESDA13P70-1U1M	STMicroelectronics	ESD Protection Diodes / TVS Diodes High Power Transient Voltage Supressor Learn More about STMicroelectronics stm standard products	Datasheet	71,437In Stock	Cut Tape HK$4.44 HK$1.98 HK$1.73 HK$1.31 View Reel HK$0.748 HK$1.27 HK$1.18 HK$0.863 HK$0.748 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA14V2LY STMicroelectronics 1: HK$4.27 36,590In Stock	Mfr. Part No. ESDA14V2LY Mouser Part No 511-ESDA14V2LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	36,590In Stock	Cut Tape HK$4.27 HK$2.00 HK$1.75 HK$1.32 Reel HK$0.986 View HK$1.22 HK$0.838 HK$0.797 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes SUPPRESSOR ESDA25L STMicroelectronics 1: HK$2.96 50,705In Stock	Mfr. Part No. ESDA25L Mouser Part No 511-ESDA25L	STMicroelectronics	ESD Protection Diodes / TVS Diodes SUPPRESSOR Learn More about STMicroelectronics stm standard products	Datasheet	50,705In Stock	Cut Tape HK$2.96 HK$1.32 HK$1.15 HK$0.855 Reel HK$0.575 View HK$0.74 HK$0.551 HK$0.493 HK$0.485 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm ESDA25SC6Y STMicroelectronics 1: HK$6.00 29,384In Stock	Mfr. Part No. ESDA25SC6Y Mouser Part No 511-ESDA25SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm Learn More about STMicroelectronics stm esdaxxscxy tvs	Datasheet	29,384In Stock	Cut Tape HK$6.00 HK$2.72 HK$2.40 HK$1.82 Reel HK$1.39 View HK$1.34 HK$1.28 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 25V 400W Unidirect ESDA25W STMicroelectronics 1: HK$3.70 42,929In Stock 30,000Expected 1/3/2027	Mfr. Part No. ESDA25W Mouser Part No 511-ESDA25W	STMicroelectronics	ESD Protection Diodes / TVS Diodes 25V 400W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	42,929In Stock 30,000Expected 1/3/2027	Cut Tape HK$3.70 HK$1.64 HK$1.44 HK$1.07 Reel HK$0.781 View HK$1.00 HK$0.756 HK$0.666 HK$0.649 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA5V3LY STMicroelectronics 1: HK$4.93 49,463In Stock	Mfr. Part No. ESDA5V3LY Mouser Part No 511-ESDA5V3LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	49,463In Stock	Cut Tape HK$4.93 HK$2.22 HK$1.95 HK$1.46 Reel HK$1.11 View HK$1.45 HK$0.954 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect ESDA5V3SC5 STMicroelectronics 1: HK$5.01 33,273In Stock	Mfr. Part No. ESDA5V3SC5 Mouser Part No 511-ESDA5V3SC5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	33,273In Stock	Cut Tape HK$5.01 HK$2.25 HK$1.97 HK$1.49 Reel HK$1.04 View HK$1.36 HK$1.02 HK$0.937 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect ESDA5V3SC6 STMicroelectronics 1: HK$4.11 26,159In Stock	Mfr. Part No. ESDA5V3SC6 Mouser Part No 511-ESDA5V3SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	26,159In Stock	Cut Tape HK$4.11 HK$1.96 HK$1.71 HK$1.28 Reel HK$1.04 View HK$1.25 HK$1.03 HK$0.88 HK$0.83 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm ESDA5V3SC6Y STMicroelectronics 1: HK$6.00 43,107In Stock	Mfr. Part No. ESDA5V3SC6Y Mouser Part No 511-ESDA5V3SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm Learn More about STMicroelectronics stm standard products	Datasheet	43,107In Stock	Cut Tape HK$6.00 HK$2.72 HK$2.40 HK$1.82 Reel HK$1.39 View HK$1.34 HK$1.30 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive 5-line 5.2 V TVS in SOT23-6L ESDA6V1-5SC6Y STMicroelectronics 1: HK$4.52 25,675In Stock	Mfr. Part No. ESDA6V1-5SC6Y Mouser Part No 511-ESDA6V1-5SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5-line 5.2 V TVS in SOT23-6L Learn More about STMicroelectronics stm standard products	Datasheet	25,675In Stock	Cut Tape HK$4.52 HK$2.09 HK$1.83 HK$1.38 Reel HK$1.04 View HK$1.27 HK$0.896 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 100W Unidirect ESDA6V1-5W6 STMicroelectronics 1: HK$5.10 5,387In Stock	Mfr. Part No. ESDA6V1-5W6 Mouser Part No 511-ESDA6V1-5W6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 100W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,387In Stock	Cut Tape HK$5.10 HK$2.35 HK$2.15 HK$1.68 Reel HK$1.24 View HK$1.59 HK$1.22 HK$1.04 HK$0.937 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 300W Unidirect ESDA6V1L STMicroelectronics 1: HK$2.96 62,056In Stock 81,000On Order	Mfr. Part No. ESDA6V1L Mouser Part No 511-ESDA6V1L	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 300W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	62,056In Stock 81,000On Order	Cut Tape HK$2.96 HK$1.32 HK$1.07 HK$0.855 Reel HK$0.559 View HK$0.74 HK$0.543 HK$0.485 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA6V1LY STMicroelectronics 1: HK$4.44 35,091In Stock 24,000Expected 14/7/2027	Mfr. Part No. ESDA6V1LY Mouser Part No 511-ESDA6V1LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	35,091In Stock 24,000Expected 14/7/2027	Cut Tape HK$4.44 HK$2.00 HK$1.75 HK$1.32 Reel HK$1.03 View HK$1.28 HK$0.888 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect ESDA6V1SC5 STMicroelectronics 1: HK$4.77 18,695In Stock	Mfr. Part No. ESDA6V1SC5 Mouser Part No 511-ESDA6V1SC5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	18,695In Stock	Cut Tape HK$4.77 HK$2.14 HK$1.87 HK$1.41 Reel HK$1.04 View HK$1.40 HK$0.978 HK$0.871 HK$0.806 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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