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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 33V Unidirect SM15T33A STMicroelectronics 1: HK$13.89 6,354In Stock 5,000Expected 1/11/2027	Mfr. Part No. SM15T33A Mouser Part No 511-SM15T33A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 33V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,354In Stock 5,000Expected 1/11/2027	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$3.64 HK$3.35 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$14.96 3,240In Stock	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	3,240In 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 Uni SM15T39AY STMicroelectronics 1: HK$14.96 4,524In Stock	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	4,524In 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 1500W 39V Bidirect SM15T39CA STMicroelectronics 1: HK$14.39 4,951In Stock	Mfr. Part No. SM15T39CA Mouser Part No 511-SM15T39CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 39V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	4,951In Stock	Cut Tape HK$14.39 HK$9.12 HK$6.82 HK$6.08 Reel HK$3.91 View HK$4.78 HK$4.42 HK$3.49 HK$3.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 68V Bidirect SM15T68CA STMicroelectronics 1: HK$10.60 13,669In Stock	Mfr. Part No. SM15T68CA Mouser Part No 511-SM15T68CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 68V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	13,669In Stock	Cut Tape HK$10.60 HK$5.94 HK$4.92 HK$3.97 Reel HK$2.54 View HK$3.12 HK$2.89 HK$2.41 HK$2.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI SM15T68CAY STMicroelectronics 1: HK$15.54 3,533In Stock	Mfr. Part No. SM15T68CAY Mouser Part No 511-SM15T68CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI Learn More about STMicroelectronics stmicro sm15ty transil	Datasheet	3,533In Stock	Cut Tape HK$15.54 HK$9.95 HK$7.42 HK$6.63 Reel HK$4.41 View HK$5.24 HK$4.89 HK$3.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 6.8V Unidirect SM15T6V8A STMicroelectronics 1: HK$13.89 4,071In Stock	Mfr. Part No. SM15T6V8A Mouser Part No 511-SM15T6V8A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 6.8V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	4,071In Stock	Cut Tape HK$13.89 HK$8.80 HK$6.57 HK$5.85 Reel HK$3.65 View HK$4.59 HK$4.38 HK$3.30 HK$3.27 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 200W 18V Undirect SM2T18A STMicroelectronics 1: HK$7.23 11,857In Stock	Mfr. Part No. SM2T18A Mouser Part No 511-SM2T18A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 200W 18V Undirect Learn More about STMicroelectronics stm standard products	Datasheet	11,857In Stock	Cut Tape HK$7.23 HK$3.29 HK$2.90 HK$2.22 Reel HK$1.45 View HK$2.18 HK$2.08 HK$2.06 HK$1.30 MouseReel Available	Min.: 1 Mult.: 1 : 12,000
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 85 V TVS SM30T100CAY STMicroelectronics 1: HK$21.87 2,265In Stock	Mfr. Part No. SM30T100CAY Mouser Part No 511-SM30T100CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 85 V TVS Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	2,265In Stock	Cut Tape HK$21.87 HK$14.14 HK$10.77 HK$9.70 Reel HK$6.44 View HK$7.68 HK$7.33 HK$5.81 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni SM30T18AY STMicroelectronics 1: HK$17.67 4,006In Stock	Mfr. Part No. SM30T18AY Mouser Part No 511-SM30T18AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	4,006In Stock	Cut Tape HK$17.67 HK$11.26 HK$8.55 HK$7.50 Reel HK$4.99 View HK$6.02 HK$5.68 HK$4.39 HK$4.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni SM30T21AY STMicroelectronics 1: HK$16.52 12,701In Stock	Mfr. Part No. SM30T21AY Mouser Part No 511-SM30T21AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	12,701In Stock	Cut Tape HK$16.52 HK$10.52 HK$7.91 HK$7.07 Reel HK$4.61 View HK$5.60 HK$5.27 HK$4.40 HK$4.22 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$17.92 3,565In Stock	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	3,565In 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 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 Uni SM30T23AY STMicroelectronics 1: HK$17.34 6,149In Stock	Mfr. Part No. SM30T23AY Mouser Part No 511-SM30T23AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	6,149In Stock	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$4.72 HK$4.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 26 V TVS in SMC SM30T30CAY STMicroelectronics 1: HK$18.58 11,923In Stock 5,000Expected 5/11/2026	Mfr. Part No. SM30T30CAY Mouser Part No 511-SM30T30CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 26 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	11,923In Stock 5,000Expected 5/11/2026	Cut Tape HK$18.58 HK$11.92 HK$9.04 HK$8.03 Reel HK$5.29 View HK$6.40 HK$6.12 HK$4.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi SM30T33CAY STMicroelectronics 1: HK$18.00 15,392In Stock	Mfr. Part No. SM30T33CAY Mouser Part No 511-SM30T33CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	15,392In Stock	Cut Tape HK$18.00 HK$11.51 HK$8.71 HK$7.78 Reel HK$5.12 View HK$6.19 HK$5.89 HK$4.59 HK$4.58 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni SM30T39AY STMicroelectronics 1: HK$16.52 4,742In Stock	Mfr. Part No. SM30T39AY Mouser Part No 511-SM30T39AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Uni Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	4,742In Stock	Cut Tape HK$16.52 HK$10.52 HK$7.91 HK$7.07 Reel HK$4.78 View HK$5.60 HK$5.27 HK$4.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi SM30T39CAY STMicroelectronics 1: HK$17.92 7,544In Stock	Mfr. Part No. SM30T39CAY Mouser Part No 511-SM30T39CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W 28kW Transil 15V to 33V Bi Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	7,544In 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$4.93 HK$4.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 36 V TVS in SMC SM30T42CAY STMicroelectronics 1: HK$18.58 8,382In Stock	Mfr. Part No. SM30T42CAY Mouser Part No 511-SM30T42CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 36 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	8,382In Stock	Cut Tape HK$18.58 HK$11.92 HK$9.04 HK$8.03 Reel HK$5.29 View HK$6.40 HK$6.12 HK$5.17 HK$4.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 5 V TVS in SMC SM30T6.8AY STMicroelectronics 1: HK$17.34 5,040In Stock	Mfr. Part No. SM30T6.8AY Mouser Part No 511-SM30T6.8AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 5 V TVS in SMC Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	5,040In Stock	Cut Tape HK$17.34 HK$11.10 HK$8.38 HK$7.47 Reel HK$4.92 View HK$5.93 HK$5.62 HK$4.72 HK$4.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 58 V TVS SM30T68CAY STMicroelectronics 1: HK$21.87 4,638In Stock	Mfr. Part No. SM30T68CAY Mouser Part No 511-SM30T68CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 3000 W, 58 V TVS Learn More about STMicroelectronics stmicro sm30ty transil	Datasheet	4,638In 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$5.81 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 3000 W, 70 V TVS SM30T82CAY STMicroelectronics 1: HK$21.87 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$21.87 HK$14.14 HK$10.77 HK$9.70 Reel HK$7.19 View HK$7.68 HK$7.33 HK$7.06 HK$6.87 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T15CAY STMicroelectronics 1: HK$9.37 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$9.37 HK$4.33 HK$3.83 HK$2.96 Reel HK$2.18 View HK$2.92 HK$2.79 HK$1.94 HK$1.87 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T18CAY STMicroelectronics 1: HK$14.14 8,603In Stock	Mfr. Part No. SM4T18CAY Mouser Part No 511-SM4T18CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	8,603In Stock	Cut Tape HK$14.14 HK$8.96 HK$6.69 HK$5.97 Reel HK$3.63 View HK$4.78 HK$3.21 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi SM4T33CAY STMicroelectronics 1: HK$14.14 13,922In Stock	Mfr. Part No. SM4T33CAY Mouser Part No 511-SM4T33CAY	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400 W 2.3kW Transil 5V to 70V Bi Learn More about STMicroelectronics stmicro sm4ty automotive transil	Datasheet	13,922In Stock	Cut Tape HK$14.14 HK$8.96 HK$6.69 HK$5.97 Reel HK$3.63 View HK$4.69 HK$4.16 HK$4.07 HK$3.35 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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