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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 30V Unidirect SM15T30A STMicroelectronics 1: HK$13.15 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$13.15 HK$6.62 HK$5.50 HK$4.32 Reel HK$3.23 View HK$4.11 HK$2.98 HK$2.93 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 33V Bidirect SM15T33CA STMicroelectronics 1: HK$12.25 1,042In 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	1,042In Stock 10,000On Order On Order Ship Dates Mfr. No: SM15T33CA Stock: 1,042 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$12.25 HK$6.10 HK$5.12 HK$4.01 Reel HK$3.08 View HK$3.64 HK$2.95 HK$2.94 HK$2.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T36AY STMicroelectronics 1: HK$8.63 2,240In Stock 2,500Expected 15/10/2026	Mfr. Part No. SM15T36AY Mouser Part No 511-SM15T36AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	2,240In Stock 2,500Expected 15/10/2026	Cut Tape HK$8.63 HK$6.96 HK$5.83 HK$4.70 Reel HK$3.75 View HK$4.35 HK$3.39 HK$3.30 HK$3.27 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect SM15T36CA STMicroelectronics 1: HK$9.78 3,746In 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	3,746In Stock 10,000Expected 23/12/2026	Cut Tape HK$9.78 HK$4.57 HK$3.97 HK$3.07 Reel HK$2.46 View HK$2.87 HK$2.17 HK$2.06 HK$2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 39V Unidirect SM15T39A STMicroelectronics 1: HK$14.22 250In Stock 12,100Expected 29/10/2026	Mfr. Part No. SM15T39A Mouser Part No 511-SM15T39A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 39V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	250In Stock 12,100Expected 29/10/2026	Cut Tape HK$14.22 HK$8.96 HK$6.87 HK$5.91 Reel HK$3.69 View HK$4.57 HK$3.88 HK$3.35 HK$3.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni SM15T39AY STMicroelectronics 1: HK$8.63 2,024In Stock 2,500Expected 12/10/2026	Mfr. Part No. SM15T39AY Mouser Part No 511-SM15T39AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V to 70V Uni Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	2,024In Stock 2,500Expected 12/10/2026	Cut Tape HK$8.63 HK$6.96 HK$5.83 HK$4.70 Reel HK$3.59 View HK$4.35 HK$3.37 HK$3.30 HK$3.27 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$8.71 958In 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	958In Stock	Cut Tape HK$8.71 HK$6.61 HK$5.42 HK$4.72 Reel HK$4.72 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 68V Unidirect SM15T68A STMicroelectronics 1: HK$14.06 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$14.06 HK$7.03 HK$5.89 HK$4.63 Reel HK$3.48 View HK$4.41 HK$3.27 HK$3.24 HK$3.16 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$9.29 1,348In 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	1,348In Stock	Cut Tape HK$9.29 HK$6.90 HK$5.72 HK$4.70 Reel HK$3.66 View HK$4.04 HK$3.49 HK$3.39 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$12.91 911In 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	911In Stock	Cut Tape HK$12.91 HK$6.96 HK$6.01 HK$4.73 Reel HK$3.47 View HK$3.30 HK$3.21 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$9.12 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$9.12 HK$7.59 HK$6.30 HK$5.08 Reel HK$3.81 View HK$4.64 HK$3.55 HK$3.51 HK$3.50 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Lo Vltg TRANSIL SM2T3V3A STMicroelectronics 1: HK$6.49 6,110In Stock 108,000On Order	Mfr. Part No. SM2T3V3A Mouser Part No 511-SM2T3V3A	STMicroelectronics	ESD Protection Diodes / TVS Diodes Lo Vltg TRANSIL Learn More about STMicroelectronics stm standard products	Datasheet	6,110In Stock 108,000On Order On Order Ship Dates Mfr. No: SM2T3V3A Stock: 6,110 Can Dispatch Immediately On Order: 60,000 Expected 9/11/2026 48,000 Expected 30/11/2026 Factory Lead Time: 25 Weeks	Cut Tape HK$6.49 HK$3.29 HK$2.73 HK$2.20 Reel HK$1.41 View HK$2.09 HK$1.85 HK$1.70 HK$1.30 MouseReel Available	Min.: 1 Mult.: 1 : 12,000
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 13 V TVS in SMC SM30T15AY STMicroelectronics 1: HK$10.93 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$10.93 HK$7.75 HK$6.78 HK$5.47 Reel HK$4.32 View HK$4.84 HK$4.04 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi SM30T21CAY STMicroelectronics 1: HK$11.10 1,065In Stock 2,500Expected 15/10/2026	Mfr. Part No. SM30T21CAY Mouser Part No 511-SM30T21CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	1,065In Stock 2,500Expected 15/10/2026	Cut Tape HK$11.10 HK$8.02 HK$6.95 HK$5.68 Reel HK$4.46 View HK$4.92 HK$4.17 HK$4.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 188 V TVS SM30T220CAY STMicroelectronics 1: HK$20.22 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$20.22 HK$10.77 HK$8.88 HK$7.31 Reel HK$6.46 View HK$6.79 HK$6.25 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni SM30T26AY STMicroelectronics 1: HK$12.17 905In Stock	Mfr. Part No. SM30T26AY Mouser Part No 511-SM30T26AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	905In Stock	Cut Tape HK$12.17 HK$8.38 HK$7.02 HK$5.68 Reel HK$4.33 View HK$5.09 HK$4.11 HK$4.05 Quote 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$12.74 1,815In 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	1,815In Stock	Cut Tape HK$12.74 HK$8.71 HK$7.31 HK$5.91 Reel HK$4.73 View HK$5.46 HK$4.27 HK$4.23 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$17.51 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$17.51 HK$11.18 HK$8.96 HK$7.46 Reel HK$4.90 View HK$6.00 HK$5.35 HK$4.70 HK$4.32 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$12.74 855In 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	855In Stock 237,500On Order On Order Ship Dates Mfr. No: SM30T28CAY Stock: 855 Can Dispatch Immediately On Order: 87,500 Expected 7/12/2026 150,000 Expected 11/1/2027 Factory Lead Time: 16 Weeks	Cut Tape HK$12.74 HK$9.04 HK$7.51 HK$6.07 Reel HK$4.87 View HK$5.62 HK$4.36 HK$4.27 Quote 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$11.10 2,271In Stock 5,000Expected 30/11/2026	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	2,271In Stock 5,000Expected 30/11/2026	Cut Tape HK$11.10 HK$8.71 HK$7.31 HK$5.72 Reel HK$4.23 View HK$5.05 HK$4.13 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$17.43 2,289In Stock	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	2,289In Stock	Cut Tape HK$17.43 HK$9.12 HK$7.60 HK$6.26 Reel HK$4.74 View HK$5.71 HK$4.51 HK$4.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 70 V TVS SM30T82CAY STMicroelectronics 1: HK$20.22 2,280In Stock	Mfr. Part No. SM30T82CAY Mouser Part No 511-SM30T82CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 70 V TVS Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	2,280In Stock	Cut Tape HK$20.22 HK$10.77 HK$8.88 HK$7.31 Reel HK$6.46 View HK$6.79 HK$6.25 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$8.80 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$8.80 HK$4.33 HK$3.58 HK$2.77 Reel HK$2.17 View HK$2.63 HK$2.18 HK$1.94 HK$1.92 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$7.97 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$7.97 HK$4.93 HK$3.20 HK$2.45 Reel HK$1.71 View HK$2.21 HK$2.06 HK$1.59 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T15CAY STMicroelectronics 1: HK$8.80 7,388In Stock	Mfr. Part No. SM4T15CAY Mouser Part No 511-SM4T15CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	7,388In Stock	Cut Tape HK$8.80 HK$4.33 HK$3.58 HK$2.77 Reel HK$1.92 View HK$2.63 HK$2.36 HK$1.72 HK$1.71 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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