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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 800 Volt BTB12-800CWRG STMicroelectronics 1: HK$16.11 859In Stock	Mfr. Part No. BTB12-800CWRG Mouser Part No 511-BTB12-800CWRG	STMicroelectronics	Triacs 12 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	859In Stock	HK$16.11 HK$10.60 HK$7.64 HK$6.06 View HK$5.38 HK$4.92 HK$4.64 HK$4.14	Min.: 1 Mult.: 1
Triacs 16 Amp 600 Volt BTB16-600BWRG STMicroelectronics 1: HK$17.76 2,564In Stock	Mfr. Part No. BTB16-600BWRG Mouser Part No 511-BTB16-600BW	STMicroelectronics	Triacs 16 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,564In Stock	HK$17.76 HK$11.10 HK$7.31 HK$5.80 View HK$5.15 HK$4.70 HK$4.52 HK$4.36	Min.: 1 Mult.: 1
Triacs 16 Amp 600 Volt BTB16-600CRG STMicroelectronics 1: HK$16.93 714In Stock	Mfr. Part No. BTB16-600CRG Mouser Part No 511-BTB16-600CRG	STMicroelectronics	Triacs 16 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	714In Stock	HK$16.93 HK$9.45 HK$6.98 HK$5.75 View HK$4.92 HK$4.49 HK$4.46 HK$4.24 Quote	Min.: 1 Mult.: 1
Triacs 16 Amp 600 Volt BTB16-600CWRG STMicroelectronics 1: HK$18.41 1,319In Stock	Mfr. Part No. BTB16-600CWRG Mouser Part No 511-BTB16-600CW	STMicroelectronics	Triacs 16 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,319In Stock	HK$18.41 HK$9.37 HK$7.77 HK$6.18 View HK$5.57 HK$4.91 HK$4.69 HK$4.36	Min.: 1 Mult.: 1
Triacs 16 Amp 800 Volt BTB16-800BRG STMicroelectronics 1: HK$18.58 1,184In Stock	Mfr. Part No. BTB16-800BRG Mouser Part No 511-BTB16-800BRG	STMicroelectronics	Triacs 16 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,184In Stock	HK$18.58 HK$9.54 HK$8.10 HK$6.69 View HK$6.23 HK$4.98 HK$4.77 HK$4.38 Quote	Min.: 1 Mult.: 1
Triacs 25 Amp 600 Volt BTB24-600CWRG STMicroelectronics 1: HK$22.93 347In Stock 1,000Expected 5/11/2026	Mfr. Part No. BTB24-600CWRG Mouser Part No 511-BTB24-600CW	STMicroelectronics	Triacs 25 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	347In Stock 1,000Expected 5/11/2026	HK$22.93 HK$14.71 HK$11.26 HK$8.55 View HK$6.76 HK$6.74	Min.: 1 Mult.: 1
Triacs 25 Amp 800 Volt BTB24-800CWRG STMicroelectronics 1: HK$30.50 1,063In Stock	Mfr. Part No. BTB24-800CWRG Mouser Part No 511-BTB24-800CWRG	STMicroelectronics	Triacs 25 Amp 800 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,063In Stock	HK$30.50 HK$15.37 HK$13.89 HK$11.34 View HK$10.52 HK$7.43 HK$7.04	Min.: 1 Mult.: 1
SCRs 50A STANDARD SCRs BTW67-1000 STMicroelectronics 1: HK$81.62 5In Stock 350On Order	Mfr. Part No. BTW67-1000 Mouser Part No 511-BTW67-1000	STMicroelectronics	SCRs 50A STANDARD SCRs Learn More about STMicroelectronics stm standard products	Datasheet	5In Stock 350On Order On Order Ship Dates Mfr. No: BTW67-1000 Stock: 5 Can Dispatch Immediately On Order: 175 Expected 23/11/2026 175 Expected 18/12/2026 Factory Lead Time: 52 Weeks	HK$81.62 HK$49.07 HK$41.18 HK$38.14	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 8 Diode Array DALC208SC6 STMicroelectronics 1: HK$5.59 41In Stock 48,000On Order	Mfr. Part No. DALC208SC6 Mouser Part No 511-DALC208SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 8 Diode Array Learn More about STMicroelectronics stm standard products	Datasheet	41In Stock 48,000On Order On Order Ship Dates Mfr. No: DALC208SC6 Stock: 41 Can Dispatch Immediately On Order: 18,000 Expected 1/3/2027 30,000 Expected 30/8/2027 Factory Lead Time: 25 Weeks	Cut Tape HK$5.59 HK$2.52 HK$2.21 HK$1.68 Reel HK$1.25 View HK$1.62 HK$1.21 HK$1.07 HK$1.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive low capacitance diode array for ESD protection DALC208SC6Y STMicroelectronics 1: HK$6.25 2,614In Stock 6,000Expected 16/11/2026	Mfr. Part No. DALC208SC6Y Mouser Part No 511-DALC208SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive low capacitance diode array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	2,614In Stock 6,000Expected 16/11/2026	Cut Tape HK$6.25 HK$2.84 HK$2.50 HK$1.90 Reel HK$1.45 HK$1.27	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes ESD Protection DSILC6-4P6 STMicroelectronics 1: HK$6.41 7,187In Stock 27,000On Order	Mfr. Part No. DSILC6-4P6 Mouser Part No 511-DSILC6-4P6	STMicroelectronics	ESD Protection Diodes / TVS Diodes ESD Protection Learn More about STMicroelectronics stm standard products	Datasheet	7,187In Stock 27,000On Order On Order Ship Dates Mfr. No: DSILC6-4P6 Stock: 7,187 Can Dispatch Immediately On Order: 15,000 Expected 27/1/2027 12,000 Expected 17/2/2027 Factory Lead Time: 15 Weeks	Cut Tape HK$6.41 HK$2.90 HK$2.56 HK$1.94 Reel HK$1.49 View HK$1.82 HK$1.30 HK$1.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Low clamping single line bidirectional ESD protection ESD051-1BF4 STMicroelectronics 1: HK$1.64 23,285In Stock	Mfr. Part No. ESD051-1BF4 Mouser Part No 511-ESD051-1BF4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Low clamping single line bidirectional ESD protection	Datasheet	23,285In Stock	Cut Tape HK$1.64 HK$0.723 HK$0.559 HK$0.46 View Reel HK$0.214 HK$0.395 HK$0.345 HK$0.321 HK$0.238 HK$0.214 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 4-Ln Bidirect Array ESDA14V2BP6 STMicroelectronics 1: HK$5.51 10,602In Stock 33,000On Order	Mfr. Part No. ESDA14V2BP6 Mouser Part No 511-ESDA14V2BP6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 4-Ln Bidirect Array Learn More about STMicroelectronics stm standard products	Datasheet	10,602In Stock 33,000On Order On Order Ship Dates Mfr. No: ESDA14V2BP6 Stock: 10,602 Can Dispatch Immediately On Order: 15,000 Expected 22/3/2027 18,000 Expected 1/11/2027 Factory Lead Time: 15 Weeks	Cut Tape HK$5.51 HK$2.49 HK$2.19 HK$1.65 Reel HK$1.20 View HK$1.57 HK$1.18 HK$1.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 14.2V 500W Unidirect ESDA14V2SC6 STMicroelectronics 1: HK$4.85 3,421In Stock 14,700On Order	Mfr. Part No. ESDA14V2SC6 Mouser Part No 511-ESDA14V2SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 14.2V 500W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,421In Stock 14,700On Order On Order Ship Dates Mfr. No: ESDA14V2SC6 Stock: 3,421 Can Dispatch Immediately On Order: 5,700 Expected 5/11/2026 9,000 Expected 17/3/2027 Factory Lead Time: 25 Weeks	Cut Tape HK$4.85 HK$2.18 HK$1.92 HK$1.44 Reel HK$1.09 View HK$1.36 HK$1.07 HK$0.937 HK$0.912 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Quad Transil 4-Uni 400W < 20uA 25kV ESD ESDA19SC6 STMicroelectronics 1: HK$5.18 2,373In Stock 9,000On Order	Mfr. Part No. ESDA19SC6 Mouser Part No 511-ESDA19SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes Quad Transil 4-Uni 400W < 20uA 25kV ESD Learn More about STMicroelectronics stm standard products	Datasheet	2,373In Stock 9,000On Order	Cut Tape HK$5.18 HK$2.33 HK$2.06 HK$1.55 Reel HK$1.07 View HK$1.41 HK$1.06 HK$0.921 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TRANSIL ARRAY ESD PROTECTION ESDA25-4BP6 STMicroelectronics 1: HK$5.51 1,640In Stock 102,000On Order	Mfr. Part No. ESDA25-4BP6 Mouser Part No 511-ESDA25-4BP6	STMicroelectronics	ESD Protection Diodes / TVS Diodes TRANSIL ARRAY ESD PROTECTION Learn More about STMicroelectronics stm standard products	Datasheet	1,640In Stock 102,000On Order On Order Ship Dates Mfr. No: ESDA25-4BP6 Stock: 1,640 Can Dispatch Immediately On Order: 21,000 Expected 7/12/2026 36,000 Expected 14/12/2026 45,000 Expected 28/12/2026 Factory Lead Time: 15 Weeks	Cut Tape HK$5.51 HK$2.49 HK$2.19 HK$1.65 Reel HK$1.26 HK$1.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes DUAL TRANSIL ARRAY FOR ESD PROTECTION ESDA37L STMicroelectronics 1: HK$3.29 3,193In Stock 39,000On Order	Mfr. Part No. ESDA37L Mouser Part No 511-ESDA37L	STMicroelectronics	ESD Protection Diodes / TVS Diodes DUAL TRANSIL ARRAY FOR ESD PROTECTION Learn More about STMicroelectronics stm standard products	Datasheet	3,193In Stock 39,000On Order On Order Ship Dates Mfr. No: ESDA37L Stock: 3,193 Can Dispatch Immediately On Order: 15,000 Expected 5/11/2026 24,000 Expected 11/1/2027 Factory Lead Time: 15 Weeks	Cut Tape HK$3.29 HK$1.47 HK$1.28 HK$0.954 Reel HK$0.707 View HK$0.904 HK$0.60 HK$0.559	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line 36 V TVS in SOT23-3L ESDA37LY STMicroelectronics 1: HK$3.86 12,000In Stock 15,000Expected 9/11/2026	Mfr. Part No. ESDA37LY Mouser Part No 511-ESDA37LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line 36 V TVS in SOT23-3L Learn More about STMicroelectronics stm standard products	Datasheet	12,000In Stock 15,000Expected 9/11/2026	Cut Tape HK$3.86 HK$1.92 HK$1.68 HK$1.26 Reel HK$0.838 View HK$1.06 HK$0.814 HK$0.707 HK$0.633 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Dual Transil™ array for ESD protection ESDA37W STMicroelectronics 1: HK$3.78 8,849In Stock	Mfr. Part No. ESDA37W Mouser Part No 511-ESDA37W	STMicroelectronics	ESD Protection Diodes / TVS Diodes Dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	8,849In Stock	Cut Tape HK$3.78 HK$1.69 HK$1.48 HK$1.10 Reel HK$0.822 View HK$1.07 HK$0.707 HK$0.682 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA37WY STMicroelectronics 1: HK$4.11 8,997In Stock	Mfr. Part No. ESDA37WY Mouser Part No 511-ESDA37WY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	8,997In Stock	Cut Tape HK$4.11 HK$1.82 HK$1.36 HK$1.22 Reel HK$0.945 View HK$0.937 HK$0.764 HK$0.748	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes DFD PROTECTION & FILTER ESDA5-1BF4 STMicroelectronics 1: HK$1.81 32,464In Stock	Mfr. Part No. ESDA5-1BF4 Mouser Part No 511-ESDA5-1BF4	STMicroelectronics	ESD Protection Diodes / TVS Diodes DFD PROTECTION & FILTER Learn More about STMicroelectronics stm standard products	Datasheet	32,464In Stock	Cut Tape HK$1.81 HK$0.797 HK$0.617 HK$0.51 View Reel HK$0.263 HK$0.444 HK$0.386 HK$0.353 HK$0.263 HK$0.263 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 5.3V 300W Unidirect ESDA5V3L STMicroelectronics 1: HK$3.12 8,881In Stock 66,000On Order	Mfr. Part No. ESDA5V3L Mouser Part No 511-ESDA5V3L	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5.3V 300W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	8,881In Stock 66,000On Order On Order Ship Dates Mfr. No: ESDA5V3L Stock: 8,881 Can Dispatch Immediately On Order: 39,000 Expected 24/2/2027 27,000 TBD Factory Lead Time: 15 Weeks	Cut Tape HK$3.12 HK$1.40 HK$1.22 HK$0.904 Reel HK$0.633 View HK$0.74 HK$0.551 HK$0.534 HK$0.485 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 9,000Expected 3/2/2027	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 9,000Expected 3/2/2027	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 30 A - 8/20 us, 6.3 V TVS in SOD882T ESDA8P30-1T2 STMicroelectronics 1: HK$3.29 23,562In Stock	Mfr. Part No. ESDA8P30-1T2 Mouser Part No 511-ESDA8P30-1T2	STMicroelectronics	ESD Protection Diodes / TVS Diodes 30 A - 8/20 us, 6.3 V TVS in SOD882T Learn More about STMicroelectronics stm esda8p30 diode	Datasheet	23,562In Stock	Cut Tape HK$3.29 HK$1.47 HK$1.28 HK$0.954 Reel HK$0.584 View HK$0.904 HK$0.838 HK$0.822 HK$0.51 MouseReel Available	Min.: 1 Mult.: 1 : 12,000
ESD Protection Diodes / TVS Diodes Low clamping, low capacitance bidirectional single line ESD protection ESDALC20-1BF4 STMicroelectronics 1: HK$1.81 25,465In Stock	Mfr. Part No. ESDALC20-1BF4 Mouser Part No 511-ESDALC20-1BF4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Low clamping, low capacitance bidirectional single line ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	25,465In Stock	Cut Tape HK$1.81 HK$0.88 HK$0.674 HK$0.534 View Reel HK$0.263 HK$0.46 HK$0.419 HK$0.386 HK$0.288 HK$0.263 MouseReel Available	Min.: 1 Mult.: 1 : 15,000

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