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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 600W 70V Unidirect SMBJ70A-TR STMicroelectronics 1: HK$5.75 13,767In Stock	Mfr. Part No. SMBJ70A-TR Mouser Part No 511-SMBJ70A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 70V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	13,767In Stock	Cut Tape HK$5.75 HK$2.93 HK$2.41 HK$1.86 Reel HK$1.40 View HK$1.77 HK$1.32 HK$1.25 HK$1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000W Transil 12V 0.2uA 15kV 8kV Uni SMC30J12A STMicroelectronics 1: HK$16.60 2,958In Stock	Mfr. Part No. SMC30J12A Mouser Part No 511-SMC30J12A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 12V 0.2uA 15kV 8kV Uni Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	2,958In Stock	Cut Tape HK$16.60 HK$10.60 HK$7.97 HK$7.12 Reel HK$4.64 View HK$5.64 HK$5.31 HK$4.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000W Transil 26V 0.2uA 15kV 8kV BI SMC30J26CA STMicroelectronics 1: HK$19.56 3,233In Stock	Mfr. Part No. SMC30J26CA Mouser Part No 511-SMC30J26CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 26V 0.2uA 15kV 8kV BI Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	3,233In Stock	Cut Tape HK$19.56 HK$12.58 HK$9.54 HK$8.55 Reel HK$5.45 View HK$6.78 HK$6.53 HK$5.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000W Transil 33V 0.2uA 15kV 8kV BI SMC30J33CA STMicroelectronics 1: HK$17.26 3,177In Stock 2,500Expected 4/1/2027	Mfr. Part No. SMC30J33CA Mouser Part No 511-SMC30J33CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 33V 0.2uA 15kV 8kV BI Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	3,177In Stock 2,500Expected 4/1/2027	Cut Tape HK$17.26 HK$11.01 HK$8.38 HK$7.58 Reel HK$4.96 View HK$6.02 HK$4.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W, 36 V TVS in SMC SMC30J36CA STMicroelectronics 1: HK$17.92 2,760In Stock	Mfr. Part No. SMC30J36CA Mouser Part No 511-SMC30J36CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W, 36 V TVS in SMC Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	2,760In Stock	Cut Tape HK$17.92 HK$11.43 HK$8.63 HK$7.72 Reel HK$5.17 View HK$6.27 HK$6.26 HK$4.55 HK$4.52 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W, 48 V TVS in SMC SMC30J48A STMicroelectronics 1: HK$17.18 2,983In Stock	Mfr. Part No. SMC30J48A Mouser Part No 511-SMC30J48A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W, 48 V TVS in SMC Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	2,983In Stock	Cut Tape HK$17.18 HK$11.01 HK$8.30 HK$7.40 Reel HK$4.94 View HK$5.87 HK$5.56 HK$4.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000W Transil 5V 0.2uA 15kV 8kV Uni SMC30J5.0A STMicroelectronics 1: HK$16.60 3,806In Stock	Mfr. Part No. SMC30J5.0A Mouser Part No 511-SMC30J5.0A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 5V 0.2uA 15kV 8kV Uni Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	3,806In Stock	Cut Tape HK$16.60 HK$10.60 HK$7.97 HK$7.12 Reel HK$4.64 View HK$5.64 HK$5.31 HK$4.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000W Transil 6V 0.2uA 15kV 8kV Uni SMC30J6.0A STMicroelectronics 1: HK$17.18 3,877In Stock	Mfr. Part No. SMC30J6.0A Mouser Part No 511-SMC30J6.0A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000W Transil 6V 0.2uA 15kV 8kV Uni Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	3,877In Stock	Cut Tape HK$17.18 HK$11.01 HK$8.30 HK$7.40 Reel HK$4.80 View HK$5.87 HK$5.56 HK$4.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3000 W, 64 V TVS SMC30J64A STMicroelectronics 1: HK$16.60 3,242In Stock	Mfr. Part No. SMC30J64A Mouser Part No 511-SMC30J64A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 3000 W, 64 V TVS Learn More about STMicroelectronics stm smc30j tvs diodes	Datasheet	3,242In Stock	Cut Tape HK$16.60 HK$10.60 HK$7.96 HK$7.11 Reel HK$4.64 View HK$5.63 HK$5.31 HK$4.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 15V Bidirect SMCJ15CA-TR STMicroelectronics 1: HK$10.69 6,345In Stock	Mfr. Part No. SMCJ15CA-TR Mouser Part No 511-SMCJ15CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 15V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,345In Stock	Cut Tape HK$10.69 HK$6.70 HK$4.97 HK$4.41 Reel HK$2.77 View HK$3.43 HK$3.16 HK$2.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 26V Unidirect SMCJ26A-TR STMicroelectronics 1: HK$11.01 5,096In Stock 7,500Expected 29/1/2027	Mfr. Part No. SMCJ26A-TR Mouser Part No 511-SMCJ26A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 26V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,096In Stock 7,500Expected 29/1/2027	Cut Tape HK$11.01 HK$5.10 HK$4.53 HK$3.51 Reel HK$2.83 View HK$3.31 HK$2.58 HK$2.49 HK$2.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 28V Unidirect SMCJ28A-TR STMicroelectronics 1: HK$10.36 5,776In Stock	Mfr. Part No. SMCJ28A-TR Mouser Part No 511-SMCJ28A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 28V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,776In Stock	Cut Tape HK$10.36 HK$4.82 HK$4.27 HK$3.31 Reel HK$2.66 View HK$2.35 HK$2.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 30V Unidirect SMCJ30A-TR STMicroelectronics 1: HK$10.28 6,893In Stock	Mfr. Part No. SMCJ30A-TR Mouser Part No 511-SMCJ30A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 30V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,893In Stock	Cut Tape HK$10.28 HK$4.77 HK$4.23 HK$3.28 Reel HK$2.64 View HK$3.27 HK$2.33 HK$2.24 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 48V Bidirect SMCJ48CA-TR STMicroelectronics 1: HK$10.69 6,908In Stock	Mfr. Part No. SMCJ48CA-TR Mouser Part No 511-SMCJ48CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 48V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	6,908In Stock	Cut Tape HK$10.69 HK$6.70 HK$4.97 HK$4.41 Reel HK$2.77 View HK$3.43 HK$3.16 HK$2.53 HK$2.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 5.0V Unidirect SMCJ5.0A-TR STMicroelectronics 1: HK$8.47 17,288In Stock 12,500Expected 2/8/2027	Mfr. Part No. SMCJ5.0A-TR Mouser Part No 511-SMCJ5.0A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 5.0V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	17,288In Stock 12,500Expected 2/8/2027	Cut Tape HK$8.47 HK$3.90 HK$3.45 HK$2.66 Reel HK$2.11 View HK$1.86 HK$1.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 1500W 5.0V Bidirect SMCJ5.0CA-TR STMicroelectronics 1: HK$11.26 7,271In Stock 5,000Expected 5/11/2026	Mfr. Part No. SMCJ5.0CA-TR Mouser Part No 511-SMCJ5.0CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 1500W 5.0V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	7,271In Stock 5,000Expected 5/11/2026	Cut Tape HK$11.26 HK$7.07 HK$5.25 HK$4.67 Reel HK$2.94 View HK$3.63 HK$3.36 HK$2.60 HK$2.57 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 3.3V Unidirect SMLVT3V3 STMicroelectronics 1: HK$10.36 22,531In Stock 12,500Expected 29/7/2027	Mfr. Part No. SMLVT3V3 Mouser Part No 511-SMLVT3V3	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 3.3V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	22,531In Stock 12,500Expected 29/7/2027	Cut Tape HK$10.36 HK$4.80 HK$4.26 HK$3.30 Reel HK$2.66 View HK$2.34 HK$2.12 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 230V 50uA Bidirect SMP100LC-230 STMicroelectronics 1: HK$9.95 5,423In Stock	Mfr. Part No. SMP100LC-230 Mouser Part No 511-SMP100LC-230	STMicroelectronics	Board Mount Surge Protectors 230V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	5,423In Stock	Cut Tape HK$9.95 HK$6.21 HK$4.08 HK$3.18 Reel HK$2.60 View HK$2.84 HK$2.30 HK$2.13 HK$2.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 25V 50uA Bidirect SMP100LC-25 STMicroelectronics 1: HK$9.95 13,937In 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	13,937In 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 9,509In 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	9,509In Stock 25,000On Order On Order Ship Dates Mfr. No: SMP100LC-35 Stock: 9,509 Can Dispatch Immediately On Order: 15,000 Expected 29/3/2027 10,000 Expected 19/4/2027 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 9,442In 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	9,442In 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 8V 50uA Bidirect SMP100LC-8 STMicroelectronics 1: HK$9.12 15,839In Stock 30,000Expected 15/3/2027	Mfr. Part No. SMP100LC-8 Mouser Part No 511-SMP100LC-8	STMicroelectronics	Board Mount Surge Protectors 8V 50uA Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	15,839In Stock 30,000Expected 15/3/2027	Cut Tape HK$9.12 HK$5.80 HK$3.90 HK$3.10 Reel HK$2.38 View HK$2.75 HK$2.20 HK$2.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 8V 75A Bidirect SMP75-8 STMicroelectronics 1: HK$9.29 8,035In Stock 5,000Expected 25/1/2027	Mfr. Part No. SMP75-8 Mouser Part No 511-SMP75-8	STMicroelectronics	Board Mount Surge Protectors 8V 75A Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	8,035In Stock 5,000Expected 25/1/2027	Cut Tape HK$9.29 HK$5.16 HK$3.45 HK$2.73 Reel HK$2.20 View HK$2.48 HK$2.01 HK$1.95 HK$1.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Board Mount Surge Protectors 270V 50uA Bidirect SMTPA270 STMicroelectronics 1: HK$7.32 7,354In 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	7,354In 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
Board Mount Surge Protectors Power Line Surge 6V to 36V 300mA SPT02-236DDB STMicroelectronics 1: HK$11.01 4,560In Stock	Mfr. Part No. SPT02-236DDB Mouser Part No 511-SPT02-236DDB	STMicroelectronics	Board Mount Surge Protectors Power Line Surge 6V to 36V 300mA	Datasheet	4,560In Stock	Cut Tape HK$11.01 HK$6.92 HK$4.57 HK$3.76 Reel HK$2.89 View HK$3.24 HK$2.67 HK$2.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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