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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.
Board Mount Surge Protectors 25V 50uA Bidirect SMP100LC-25 STMicroelectronics 1: HK$9.95 11,468In Stock	Mfr. Part No. SMP100LC-25 Mouser Part No 511-SMP100LC-25	STMicroelectronics	Board Mount Surge Protectors 25V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	11,468In Stock	Cut Tape HK$9.95 HK$6.21 HK$4.08 HK$3.21 Reel HK$2.55 View HK$2.88 HK$2.30 HK$2.13 HK$2.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 35V 50uA Bidirect SMP100LC-35 STMicroelectronics 1: HK$9.95 11,765In Stock 25,000On Order	Mfr. Part No. SMP100LC-35 Mouser Part No 511-SMP100LC-35	STMicroelectronics	Board Mount Surge Protectors 35V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	11,765In Stock 25,000On Order On Order Ship Dates Mfr. No: SMP100LC-35 Stock: 11,765 Can Dispatch Immediately On Order: 15,000 Expected 29/3/2027 10,000 Expected 12/5/2027 Factory Lead Time: 15 Weeks	Cut Tape HK$9.95 HK$6.21 HK$4.08 HK$3.21 Reel HK$2.45 View HK$2.88 HK$2.20 HK$2.13 HK$2.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 400V 50uA Bidirect SMP100LC-400 STMicroelectronics 1: HK$13.65 4,642In Stock	Mfr. Part No. SMP100LC-400 Mouser Part No 511-SMP100LC-400	STMicroelectronics	Board Mount Surge Protectors 400V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	4,642In Stock	Cut Tape HK$13.65 HK$8.55 HK$5.81 HK$4.57 Reel HK$3.63 View HK$4.04 HK$3.33 HK$3.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 100V 50uA Bidirect SMP50-100 STMicroelectronics 1: HK$6.82 9,910In Stock	Mfr. Part No. SMP50-100 Mouser Part No 511-SMP50-100	STMicroelectronics	Board Mount Surge Protectors 100V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	9,910In Stock	Cut Tape HK$6.82 HK$4.23 HK$2.74 HK$2.06 Reel HK$1.44 View HK$1.68 HK$1.31 HK$1.24 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Board Mount Surge Protectors 270V 50uA Bidirect SMTPA270 STMicroelectronics 1: HK$7.32 9,854In Stock	Mfr. Part No. SMTPA270 Mouser Part No 511-SMTPA270	STMicroelectronics	Board Mount Surge Protectors 270V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	9,854In Stock	Cut Tape HK$7.32 HK$4.58 HK$2.98 HK$2.29 Reel HK$1.81 View HK$2.06 HK$1.59 HK$1.45 HK$1.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes AUTO SENSOR TRANS OVER VLT PRCT SPT01-335DEE STMicroelectronics 1: HK$12.08 3,808In Stock	Mfr. Part No. SPT01-335DEE Mouser Part No 511-SPT01-335DEE	STMicroelectronics	ESD Protection Diodes / TVS Diodes AUTO SENSOR TRANS OVER VLT PRCT	Datasheet	3,808In Stock	Cut Tape HK$12.08 HK$6.21 HK$5.27 HK$4.13 Reel HK$3.43 View HK$3.93 HK$3.07 HK$2.93 HK$2.89 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Transil IEC 61000 500A 24V to 33V STIEC45-26AS STMicroelectronics 1: HK$27.13 4,047In Stock	Mfr. Part No. STIEC45-26AS Mouser Part No 511-STIEC45-26AS	STMicroelectronics	ESD Protection Diodes / TVS Diodes Transil IEC 61000 500A 24V to 33V	Datasheet	4,047In Stock	Cut Tape HK$27.13 HK$14.22 HK$12.91 HK$10.44 Reel HK$8.71 View HK$9.86 HK$8.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Transil IEC 61000 500A 24V to 33V STIEC45-30AS STMicroelectronics 1: HK$27.29 2,045In Stock	Mfr. Part No. STIEC45-30AS Mouser Part No 511-STIEC45-30AS	STMicroelectronics	ESD Protection Diodes / TVS Diodes Transil IEC 61000 500A 24V to 33V	Datasheet	2,045In Stock	Cut Tape HK$27.29 HK$14.80 HK$13.40 HK$10.85 Reel HK$9.12 View HK$10.11 HK$8.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Transil IEC 61000 500A 24V to 33V STIEC45-33AS STMicroelectronics 1: HK$28.03 6,114In Stock	Mfr. Part No. STIEC45-33AS Mouser Part No 511-STIEC45-33AS	STMicroelectronics	ESD Protection Diodes / TVS Diodes Transil IEC 61000 500A 24V to 33V	Datasheet	6,114In Stock	Cut Tape HK$28.03 HK$15.37 HK$13.40 HK$11.18 Reel HK$9.12 View HK$10.19 HK$8.80 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Triacs 12A - Logic Level Triac in D2PAK T1210-800G-TR STMicroelectronics 1: HK$18.50 3,976In Stock	Mfr. Part No. T1210-800G-TR Mouser Part No 511-T1210-800G-TR	STMicroelectronics	Triacs 12A - Logic Level Triac in D2PAK	Datasheet	3,976In Stock	Cut Tape HK$18.50 HK$11.75 HK$7.96 HK$6.40 Reel HK$5.80 View HK$5.20 HK$5.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs Hi temp 12A Triacs T1235H-6G-TR STMicroelectronics 1: HK$20.63 9,000In Stock	Mfr. Part No. T1235H-6G-TR Mouser Part No 511-T1235H-6G-TR	STMicroelectronics	Triacs Hi temp 12A Triacs Learn More about STMicroelectronics stm h series triacs	Datasheet	9,000In Stock	Cut Tape HK$20.63 HK$13.23 HK$8.96 HK$7.19 Reel HK$6.51 View HK$6.22 HK$5.77 HK$5.61 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 16 A Logic Level Triac for LED Light Dimmers T1605G-6I STMicroelectronics 1: HK$19.56 3,181In Stock	Mfr. Part No. T1605G-6I Mouser Part No 511-T1605G-6I	STMicroelectronics	Triacs 16 A Logic Level Triac for LED Light Dimmers	Datasheet	3,181In Stock	HK$19.56 HK$9.62 HK$7.84 HK$6.39 View HK$5.94 HK$5.43	Min.: 1 Mult.: 1
Triacs 16 A Snubberless logic standard TRI T1610-600G-TR STMicroelectronics 1: HK$18.66 3,679In Stock	Mfr. Part No. T1610-600G-TR Mouser Part No 511-T1610-600G-TR	STMicroelectronics	Triacs 16 A Snubberless logic standard TRI	Datasheet	3,679In Stock	Cut Tape HK$18.66 HK$11.84 HK$7.90 HK$6.29 Reel HK$5.67 View HK$5.11 HK$4.43 HK$4.41 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 16A Snubberless 600Vrrm 800Vrsm T1610H-6T STMicroelectronics 1: HK$16.60 2,952In Stock	Mfr. Part No. T1610H-6T Mouser Part No 511-T1610H-6T	STMicroelectronics	Triacs 16A Snubberless 600Vrrm 800Vrsm Learn More about STMicroelectronics stm h series triacs	Datasheet	2,952In Stock	HK$16.60 HK$7.96 HK$7.09 HK$5.62 View HK$4.76 HK$4.57 HK$4.33 HK$4.29	Min.: 1 Mult.: 1
Triacs 16 Amp 600 Volt T1635-600G-TR STMicroelectronics 1: HK$18.66 2,965In Stock 6,000Expected 28/12/2026	Mfr. Part No. T1635-600G-TR Mouser Part No 511-T1635-600G-TR	STMicroelectronics	Triacs 16 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	2,965In Stock 6,000Expected 28/12/2026	Cut Tape HK$18.66 HK$11.84 HK$7.92 HK$6.30 Reel HK$5.69 View HK$4.82 HK$4.41 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 18 A Snubberless logic standard TRI T1635-800G-TR STMicroelectronics 1: HK$19.97 3,863In Stock 15,000On Order	Mfr. Part No. T1635-800G-TR Mouser Part No 511-T1635-800G-TR	STMicroelectronics	Triacs 18 A Snubberless logic standard TRI	Datasheet	3,863In Stock 15,000On Order On Order Ship Dates Mfr. No: T1635-800G-TR Stock: 3,863 Can Dispatch Immediately On Order: 6,000 Expected 28/9/2026 9,000 Expected 9/12/2026 Factory Lead Time: 15 Weeks	Cut Tape HK$19.97 HK$12.74 HK$8.63 HK$6.95 Reel HK$6.29 View HK$5.70 HK$5.48 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs Hi temp 16A Triacs T1635H-6G-TR STMicroelectronics 1: HK$19.73 5,500In Stock 10,000Expected 28/12/2026	Mfr. Part No. T1635H-6G-TR Mouser Part No 511-T1635H-6G-TR	STMicroelectronics	Triacs Hi temp 16A Triacs Learn More about STMicroelectronics stm h series triacs	Datasheet	5,500In Stock 10,000Expected 28/12/2026	Cut Tape HK$19.73 HK$12.58 HK$8.88 HK$7.04 Reel HK$6.47 View HK$5.75 HK$5.48 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs Hi temp 16A Triacs T1635H-6I STMicroelectronics 1: HK$20.30 3,095In Stock	Mfr. Part No. T1635H-6I Mouser Part No 511-T1635H-6I	STMicroelectronics	Triacs Hi temp 16A Triacs Learn More about STMicroelectronics stm h series triacs	Datasheet	3,095In Stock	HK$20.30 HK$9.95 HK$8.80 HK$7.07 View HK$6.07 HK$5.98 HK$5.70	Min.: 1 Mult.: 1
Triacs Hi temp 16A Triacs T1635H-6T STMicroelectronics 1: HK$18.25 2,605In Stock	Mfr. Part No. T1635H-6T Mouser Part No 511-T1635H-6T	STMicroelectronics	Triacs Hi temp 16A Triacs Learn More about STMicroelectronics stm h series triacs	Datasheet	2,605In Stock	HK$18.25 HK$8.96 HK$7.83 HK$6.29 View HK$5.56 HK$5.54 HK$5.01	Min.: 1 Mult.: 1
Triacs 20A Snubberless 600V 35mA T2035H-6I STMicroelectronics 1: HK$19.40 2,404In Stock 8,000Expected 7/12/2026	Mfr. Part No. T2035H-6I Mouser Part No 511-T2035H-6I	STMicroelectronics	Triacs 20A Snubberless 600V 35mA	Datasheet	2,404In Stock 8,000Expected 7/12/2026	HK$19.40 HK$10.52 HK$9.04 HK$7.22 View HK$6.75 HK$6.61 HK$6.15	Min.: 1 Mult.: 1
Triacs 20A 800V 150°C D²PAK Snubberless T-Series Triac T2035T-8G STMicroelectronics 1: HK$16.93 2,769In Stock	Mfr. Part No. T2035T-8G Mouser Part No 511-T2035T-8G	STMicroelectronics	Triacs 20A 800V 150°C D²PAK Snubberless T-Series Triac	Datasheet	2,769In Stock	HK$16.93 HK$10.11 HK$7.14 HK$5.97 View HK$5.57 HK$5.55 HK$5.01	Min.: 1 Mult.: 1
Triacs 25 Amp 600 Volt T2535-600G-TR STMicroelectronics 1: HK$27.70 8,838In Stock	Mfr. Part No. T2535-600G-TR Mouser Part No 511-T2535-600G-TR	STMicroelectronics	Triacs 25 Amp 600 Volt Learn More about STMicroelectronics stm standard products	Datasheet	8,838In Stock	Cut Tape HK$27.70 HK$18.00 HK$12.49 HK$10.19 Reel HK$8.55 HK$8.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 25A Std Snuberless Traics T2535-800G STMicroelectronics 1: HK$35.92 1,077In Stock	Mfr. Part No. T2535-800G Mouser Part No 511-T2535-800G	STMicroelectronics	Triacs 25A Std Snuberless Traics Learn More about STMicroelectronics stm standard products	Datasheet	1,077In Stock	HK$35.92 HK$18.41 HK$16.60 HK$13.65 HK$13.56	Min.: 1 Mult.: 1
Triacs 1200V 25A Snubberless Triac T2550-12G-TR STMicroelectronics 1: HK$41.92 1,315In Stock	Mfr. Part No. T2550-12G-TR Mouser Part No 511-T2550-12G-TR	STMicroelectronics	Triacs 1200V 25A Snubberless Triac	Datasheet	1,315In Stock	Cut Tape HK$41.92 HK$27.62 HK$19.73 HK$17.26 Reel HK$15.12 HK$14.96 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Triacs 25 A , 1200 V , Snubberless in TO-220AB Ins. Triac T2550-12I STMicroelectronics 1: HK$45.79 2,920In Stock 2,000Expected 28/9/2026	Mfr. Part No. T2550-12I Mouser Part No 511-T2550-12I	STMicroelectronics	Triacs 25 A , 1200 V , Snubberless in TO-220AB Ins. Triac Learn More about STMicroelectronics stm t2550 12i triac	Datasheet	2,920In Stock 2,000Expected 28/9/2026	HK$45.79 HK$23.92 HK$21.78 HK$18.08 View HK$17.84 HK$17.10	Min.: 1 Mult.: 1

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