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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 1.0 Amp 600 Volt Z0103MA 1AA2 STMicroelectronics 1: HK$4.03 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	HK$4.03 HK$2.50 HK$1.59 HK$1.18 View HK$0.954 HK$0.945 HK$0.822 HK$0.806 HK$0.658	Min.: 1 Mult.: 1
Triacs 1.0 Amp 600 Volt Z0103MN 5AA4 STMicroelectronics 1: HK$4.52 24,678In 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	24,678In Stock	Cut Tape HK$4.52 HK$2.76 HK$1.76 HK$1.32 Reel HK$1.18 View HK$0.995 HK$0.888 HK$0.847 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Diacs 32 Volt Trigger DB3 STMicroelectronics 1: HK$1.89 25,031In 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	25,031In Stock 210,000On Order On Order Ship Dates Mfr. No: DB3 Stock: 25,031 Can Dispatch Immediately On Order: 120,000 Expected 30/11/2026 90,000 Expected 29/3/2027 Factory Lead Time: 11 Weeks	Cut Tape HK$1.89 HK$1.17 HK$0.732 HK$0.534 Reel HK$0.353 View HK$0.419 HK$0.296 HK$0.255	Min.: 1 Mult.: 1 : 5,000
Diacs 32 Volt Trigger DB3TG STMicroelectronics 1: HK$1.89 778In Stock 60,000Expected 22/3/2027	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 22/3/2027	Cut Tape HK$1.89 HK$1.17 HK$0.732 HK$0.534 Reel HK$0.37 View HK$0.419 HK$0.304 HK$0.255	Min.: 1 Mult.: 1 : 5,000
SCRs 80 A 1200 V High Temperature SCR Thyristor STMicroelectronics TN8050H-12PI TN8050H-12PI STMicroelectronics 1: HK$65.84 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	HK$65.84 HK$44.06 HK$35.43 HK$31.48 HK$27.87	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5000 W, 20 V TVS SMC50J20CA STMicroelectronics 1: HK$20.88 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 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, 24 V TVS SMC50J24CA STMicroelectronics 1: HK$20.88 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 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
Triacs Transient Vltg Protected AC Switch ACS108-6SN-TR STMicroelectronics 1: HK$7.89 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 HK$7.89 HK$4.92 HK$3.20 HK$2.46 Reel HK$2.10 View HK$1.90 HK$1.72 HK$1.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs Triac Crowbar 10mA Switch 10A 700V ACST1010-7T STMicroelectronics 1: HK$20.14 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	HK$20.14 HK$9.86 HK$8.80 HK$7.04 View HK$6.44 HK$6.10	Min.: 1 Mult.: 1
Triacs Triac Crowbar 35mA Switch 12A 700V ACST1235-7GTR STMicroelectronics 1: HK$23.51 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 HK$23.51 HK$15.21 HK$10.52 HK$8.47 Reel HK$7.76 HK$7.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 12 A 800 V Over-voltage protected AC switch ACST1235-8FP STMicroelectronics 1: HK$20.55 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	HK$20.55 HK$10.11 HK$9.04 HK$7.22 View HK$6.85 HK$6.24	Min.: 1 Mult.: 1
Triacs Triac Crowbar 10mA Switch 2A 800V ACST210-8BTR STMicroelectronics 1: HK$9.95 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 HK$9.95 HK$6.24 HK$4.10 HK$3.18 Reel HK$2.56 View HK$2.89 HK$2.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs Overvoltage protected AC switch ACST310-8BTR STMicroelectronics 1: HK$11.01 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 HK$11.01 HK$6.93 HK$4.58 HK$3.57 Reel HK$2.88 View HK$3.24 HK$2.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs AC POWER SWITCH 4 AMP LOAD <10 mA ACST410-8FP STMicroelectronics 1: HK$13.89 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 10/12/2026 2,000 Expected 15/12/2026 Factory Lead Time: 15 Weeks	HK$13.89 HK$6.60 HK$5.89 HK$4.63 View HK$4.23 HK$3.88 HK$3.66	Min.: 1 Mult.: 1
Triacs AC POWER SWITCH 6 AMP LOAD <10 mA ACST610-8FP STMicroelectronics 1: HK$17.10 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	HK$17.10 HK$10.69 HK$7.07 HK$5.61 View HK$4.98 HK$4.55 HK$4.38 HK$4.23	Min.: 1 Mult.: 1
Triacs AC POWER SWITCH 6 AMP LOAD <10 mA ACST610-8G STMicroelectronics 1: HK$17.34 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	HK$17.34 HK$8.38 HK$7.47 HK$5.93 View HK$5.44 HK$5.22 HK$4.96	Min.: 1 Mult.: 1
Triacs Auto Voltage Switch AVS10CB STMicroelectronics 1: HK$27.95 1,036In Stock	Mfr. Part No. AVS10CB Mouser Part No 511-AVS10CB	STMicroelectronics	Triacs Auto Voltage Switch	Datasheet	1,036In Stock	HK$27.95 HK$18.17 HK$12.49 HK$10.44 View HK$9.70 HK$9.12	Min.: 1 Mult.: 1
Triacs 6 Amp 400 Volt BTA06-400CRG STMicroelectronics 1: HK$18.50 921In 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	921In Stock	HK$18.50 HK$8.96 HK$7.62 HK$6.39 View HK$5.86 HK$5.54 HK$5.50	Min.: 1 Mult.: 1
Triacs 6 Amp 600 Volt BTA06-600CRG STMicroelectronics 1: HK$15.45 756In Stock 2,000Expected 7/12/2026	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 7/12/2026	HK$15.45 HK$8.88 HK$7.05 HK$5.61 View HK$4.67 HK$3.81	Min.: 1 Mult.: 1
Triacs 6A TRIACS BTA06-800BWRG STMicroelectronics 1: HK$15.54 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	HK$15.54 HK$9.70 HK$6.42 HK$5.09 View HK$4.52 HK$4.13 HK$3.97 HK$3.84	Min.: 1 Mult.: 1
Triacs 6 A IT 600/800 V 5 to 50 IGT mA BTA06-800TWRG STMicroelectronics 1: HK$15.70 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	HK$15.70 HK$9.78 HK$7.42 HK$5.89 View HK$5.23 HK$4.78 HK$4.27 HK$3.99	Min.: 1 Mult.: 1
Triacs 6A Snubberlesss Triacs BTA06T-600CWRG STMicroelectronics 1: HK$23.59 1,139In 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	1,139In Stock	HK$23.59 HK$15.12 HK$10.28 HK$8.71 View HK$7.75 HK$7.33 HK$6.96	Min.: 1 Mult.: 1
Triacs 8 Amp 400 Volt BTA08-400BRG STMicroelectronics 1: HK$21.95 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	HK$21.95 HK$14.06 HK$9.54 HK$8.13 View HK$7.20 HK$6.81 HK$6.47	Min.: 1 Mult.: 1
Triacs 8 Amp 600 Volt BTA08-600BWRG STMicroelectronics 1: HK$15.70 1,882In Stock	Mfr. Part No. BTA08-600BWRG Mouser Part No 511-BTA08-600BW	STMicroelectronics	Triacs 8 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,882In Stock	HK$15.70 HK$9.78 HK$6.48 HK$5.14 View HK$4.55 HK$4.00 HK$3.86	Min.: 1 Mult.: 1
Triacs 8 Amp 600 Volt BTA08-600CRG STMicroelectronics 1: HK$16.11 1,541In Stock	Mfr. Part No. BTA08-600CRG Mouser Part No 511-BTA08-600C	STMicroelectronics	Triacs 8 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	1,541In Stock	HK$16.11 HK$10.69 HK$7.65 HK$6.07 View HK$5.38 HK$4.92 HK$4.73 HK$4.14	Min.: 1 Mult.: 1

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