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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.
ESD Protection Diodes / TVS Diodes 1500W 220V Unidirect SM15T220A STMicroelectronics 1: HK$13.97 1,689In Stock	Mfr. Part No. SM15T220A Mouser Part No 511-SM15T220A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 220V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	1,689In Stock	Cut Tape HK$13.97 HK$8.88 HK$6.63 HK$5.91 Reel HK$3.72 View HK$4.63 HK$3.99 HK$3.32 HK$3.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI SM15T22CAY STMicroelectronics 1: HK$15.54 1,313In Stock	Mfr. Part No. SM15T22CAY Mouser Part No 511-SM15T22CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	1,313In Stock	Cut Tape HK$15.54 HK$9.95 HK$7.42 HK$6.63 Reel HK$4.30 View HK$5.24 HK$4.89 HK$3.84 HK$3.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 24V Bidirect SM15T24CA STMicroelectronics 1: HK$14.06 2,059In Stock	Mfr. Part No. SM15T24CA Mouser Part No 511-SM15T24CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 24V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	2,059In Stock	Cut Tape HK$14.06 HK$8.88 HK$6.65 HK$5.93 Reel HK$3.82 View HK$4.64 HK$4.29 HK$3.35 HK$3.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI SM15T24CAY STMicroelectronics 1: HK$15.54 1,727In Stock 2,500Expected 13/1/2027	Mfr. Part No. SM15T24CAY Mouser Part No 511-SM15T24CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	1,727In Stock 2,500Expected 13/1/2027	Cut Tape HK$15.54 HK$9.95 HK$7.42 HK$6.63 Reel HK$4.15 View HK$5.24 HK$4.89 HK$3.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 27V Unidirect SM15T27A STMicroelectronics 1: HK$13.48 3,052In Stock	Mfr. Part No. SM15T27A Mouser Part No 511-SM15T27A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 27V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	3,052In Stock	Cut Tape HK$13.48 HK$8.55 HK$6.38 HK$5.68 Reel HK$3.64 View HK$4.46 HK$4.23 HK$3.23 HK$3.20 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 30V Unidirect SM15T30A STMicroelectronics 1: HK$13.97 1,943In Stock	Mfr. Part No. SM15T30A Mouser Part No 511-SM15T30A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 30V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	1,943In Stock	Cut Tape HK$13.97 HK$8.02 HK$6.34 HK$5.49 Reel HK$3.67 View HK$4.38 HK$4.08 HK$3.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 33V Bidirect SM15T33CA STMicroelectronics 1: HK$13.89 1,028In Stock 10,000On Order	Mfr. Part No. SM15T33CA Mouser Part No 511-SM15T33CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 33V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	1,028In Stock 10,000On Order On Order Ship Dates Mfr. No: SM15T33CA Stock: 1,028 Can Dispatch Immediately On Order: 2,500 Expected 1/1/2027 7,500 Expected 11/2/2027 Factory Lead Time: 16 Weeks	Cut Tape HK$13.89 HK$8.80 HK$6.57 HK$5.85 Reel HK$3.76 View HK$4.59 HK$4.38 HK$3.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect SM15T36CA STMicroelectronics 1: HK$10.60 2,938In Stock 10,000Expected 23/12/2026	Mfr. Part No. SM15T36CA Mouser Part No 511-SM15T36CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	2,938In Stock 10,000Expected 23/12/2026	Cut Tape HK$10.60 HK$6.63 HK$4.92 HK$4.36 Reel HK$2.61 View HK$3.39 HK$3.11 HK$2.37 HK$2.24 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T47AY STMicroelectronics 1: HK$14.96 946In Stock	Mfr. Part No. SM15T47AY Mouser Part No 511-SM15T47AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	946In Stock	Cut Tape HK$14.96 HK$9.54 HK$7.12 HK$6.35 Reel HK$4.10 View HK$5.01 HK$4.65 HK$3.66 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 68V Unidirect SM15T68A STMicroelectronics 1: HK$14.80 2,063In Stock	Mfr. Part No. SM15T68A Mouser Part No 511-SM15T68A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 68V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	2,063In Stock	Cut Tape HK$14.80 HK$9.37 HK$7.03 HK$6.26 Reel HK$3.81 View HK$4.94 HK$4.58 HK$3.57 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T6V8AY STMicroelectronics 1: HK$15.95 588In Stock 5,000Expected 5/11/2026	Mfr. Part No. SM15T6V8AY Mouser Part No 511-SM15T6V8AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	588In Stock 5,000Expected 5/11/2026	Cut Tape HK$15.95 HK$9.78 HK$6.64 HK$5.65 Reel HK$3.85 View HK$4.55 HK$4.00 HK$3.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Bi SM15T7V5CAY STMicroelectronics 1: HK$15.54 1,298In Stock	Mfr. Part No. SM15T7V5CAY Mouser Part No 511-SM15T7V5CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Bi Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	1,298In Stock	Cut Tape HK$15.54 HK$9.95 HK$7.42 HK$6.63 Reel HK$4.30 View HK$5.24 HK$4.89 HK$3.84 HK$3.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V Uni SM15T82AY STMicroelectronics 1: HK$14.96 866In Stock	Mfr. Part No. SM15T82AY Mouser Part No 511-SM15T82AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	866In Stock	Cut Tape HK$14.96 HK$9.54 HK$7.12 HK$6.35 Reel HK$4.10 View HK$5.01 HK$4.65 HK$3.66 HK$3.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Bi SM15T82CAY STMicroelectronics 1: HK$16.44 7In Stock	Mfr. Part No. SM15T82CAY Mouser Part No 511-SM15T82CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Bi Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	7In Stock	Cut Tape HK$16.44 HK$10.36 HK$7.87 HK$6.87 Reel HK$4.29 View HK$5.44 HK$5.03 HK$3.84 HK$3.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 13 V TVS in SMC SM30T15AY STMicroelectronics 1: HK$17.34 841In Stock 5,000Expected 7/12/2026	Mfr. Part No. SM30T15AY Mouser Part No 511-SM30T15AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 13 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	841In Stock 5,000Expected 7/12/2026	Cut Tape HK$17.34 HK$11.10 HK$8.38 HK$7.47 Reel HK$4.89 View HK$5.93 HK$5.62 HK$4.39 HK$4.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 188 V TVS SM30T220CAY STMicroelectronics 1: HK$21.87 2,490In Stock	Mfr. Part No. SM30T220CAY Mouser Part No 511-SM30T220CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 188 V TVS Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	2,490In Stock	Cut Tape HK$21.87 HK$14.14 HK$10.77 HK$9.70 Reel HK$6.77 View HK$7.68 HK$7.33 HK$6.76 HK$6.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi SM30T26CAY STMicroelectronics 1: HK$17.92 1,315In Stock	Mfr. Part No. SM30T26CAY Mouser Part No 511-SM30T26CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,315In Stock	Cut Tape HK$17.92 HK$11.51 HK$8.71 HK$7.74 Reel HK$5.08 View HK$6.15 HK$5.85 HK$4.56 HK$4.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni SM30T28AY STMicroelectronics 1: HK$18.58 1,358In Stock	Mfr. Part No. SM30T28AY Mouser Part No 511-SM30T28AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,358In Stock	Cut Tape HK$18.58 HK$11.92 HK$9.04 HK$8.03 Reel HK$5.49 View HK$6.40 HK$6.12 HK$5.04 HK$4.88 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 36kW Transil 15V to 33V Bi SM30T28CAY STMicroelectronics 1: HK$17.92 835In Stock 237,500On Order	Mfr. Part No. SM30T28CAY Mouser Part No 511-SM30T28CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 36kW Transil 15V to 33V Bi Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	835In Stock 237,500On Order On Order Ship Dates Mfr. No: SM30T28CAY Stock: 835 Can Dispatch Immediately On Order: 87,500 Expected 5/12/2026 150,000 Expected 11/1/2027 Factory Lead Time: 16 Weeks	Cut Tape HK$17.92 HK$11.51 HK$8.71 HK$7.74 Reel HK$5.08 View HK$6.15 HK$5.85 HK$4.56 HK$4.55 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni SM30T33AY STMicroelectronics 1: HK$16.77 1,273In Stock 5,000Expected 29/3/2027	Mfr. Part No. SM30T33AY Mouser Part No 511-SM30T33AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,273In Stock 5,000Expected 29/3/2027	Cut Tape HK$16.77 HK$10.77 HK$8.06 HK$7.21 Reel HK$4.71 View HK$5.96 HK$5.14 HK$4.22 HK$4.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi SM30T35CAY STMicroelectronics 1: HK$17.92 1,296In Stock 5,000Expected 16/11/2026	Mfr. Part No. SM30T35CAY Mouser Part No 511-SM30T35CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,296In Stock 5,000Expected 16/11/2026	Cut Tape HK$17.92 HK$11.51 HK$8.71 HK$7.74 Reel HK$5.08 View HK$6.15 HK$5.85 HK$4.56 HK$4.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 48 V TVS in SMC SM30T56CAY STMicroelectronics 1: HK$18.74 1,249In Stock 2,500On Order	Mfr. Part No. SM30T56CAY Mouser Part No 511-SM30T56CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 48 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,249In Stock 2,500On Order	Cut Tape HK$18.74 HK$12.00 HK$9.12 HK$8.13 Reel HK$5.37 View HK$6.48 HK$6.20 HK$4.82 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T14CAY STMicroelectronics 1: HK$9.37 2,743In Stock	Mfr. Part No. SM4T14CAY Mouser Part No 511-SM4T14CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	2,743In Stock	Cut Tape HK$9.37 HK$4.33 HK$3.83 HK$2.96 Reel HK$2.18 View HK$2.92 HK$2.74 HK$1.94 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni SM4T15AY STMicroelectronics 1: HK$9.70 1,941In Stock	Mfr. Part No. SM4T15AY Mouser Part No 511-SM4T15AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Uni Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	1,941In Stock	Cut Tape HK$9.70 HK$4.89 HK$3.98 HK$2.93 Reel HK$2.04 View HK$2.66 HK$2.38 HK$1.82 HK$1.70 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T28CAY STMicroelectronics 1: HK$14.14 91In Stock 5,000On Order	Mfr. Part No. SM4T28CAY Mouser Part No 511-SM4T28CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	91In Stock 5,000On Order	Cut Tape HK$14.14 HK$8.96 HK$6.69 HK$5.61 Reel HK$3.55 View HK$4.50 HK$4.23 HK$4.16 HK$3.21 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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