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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 High Power Transient Voltage Supressor ESDA13P70-1U1M STMicroelectronics 1: HK$4.44 71,437In Stock	Mfr. Part No. ESDA13P70-1U1M Mouser Part No 511-ESDA13P70-1U1M	STMicroelectronics	ESD Protection Diodes / TVS Diodes High Power Transient Voltage Supressor Learn More about STMicroelectronics stm standard products	Datasheet	71,437In Stock	Cut Tape HK$4.44 HK$1.98 HK$1.73 HK$1.31 View Reel HK$0.748 HK$1.27 HK$1.18 HK$0.863 HK$0.748 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA14V2LY STMicroelectronics 1: HK$4.27 36,590In Stock	Mfr. Part No. ESDA14V2LY Mouser Part No 511-ESDA14V2LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	36,590In Stock	Cut Tape HK$4.27 HK$2.00 HK$1.75 HK$1.32 Reel HK$0.986 View HK$1.22 HK$0.838 HK$0.797 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes SUPPRESSOR ESDA25L STMicroelectronics 1: HK$2.96 50,705In Stock	Mfr. Part No. ESDA25L Mouser Part No 511-ESDA25L	STMicroelectronics	ESD Protection Diodes / TVS Diodes SUPPRESSOR Learn More about STMicroelectronics stm standard products	Datasheet	50,705In Stock	Cut Tape HK$2.96 HK$1.32 HK$1.15 HK$0.855 Reel HK$0.575 View HK$0.74 HK$0.551 HK$0.493 HK$0.485 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm ESDA25SC6Y STMicroelectronics 1: HK$6.00 29,384In Stock	Mfr. Part No. ESDA25SC6Y Mouser Part No 511-ESDA25SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm Learn More about STMicroelectronics stm esdaxxscxy tvs	Datasheet	29,384In Stock	Cut Tape HK$6.00 HK$2.72 HK$2.40 HK$1.82 Reel HK$1.39 View HK$1.34 HK$1.28 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 25V 400W Unidirect ESDA25W STMicroelectronics 1: HK$3.70 42,929In Stock 30,000Expected 1/3/2027	Mfr. Part No. ESDA25W Mouser Part No 511-ESDA25W	STMicroelectronics	ESD Protection Diodes / TVS Diodes 25V 400W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	42,929In Stock 30,000Expected 1/3/2027	Cut Tape HK$3.70 HK$1.64 HK$1.44 HK$1.07 Reel HK$0.781 View HK$1.00 HK$0.756 HK$0.666 HK$0.649 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA5V3LY STMicroelectronics 1: HK$4.93 49,463In Stock	Mfr. Part No. ESDA5V3LY Mouser Part No 511-ESDA5V3LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	49,463In Stock	Cut Tape HK$4.93 HK$2.22 HK$1.95 HK$1.46 Reel HK$1.11 View HK$1.45 HK$0.954 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect ESDA5V3SC5 STMicroelectronics 1: HK$5.01 33,273In Stock	Mfr. Part No. ESDA5V3SC5 Mouser Part No 511-ESDA5V3SC5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	33,273In Stock	Cut Tape HK$5.01 HK$2.25 HK$1.97 HK$1.49 Reel HK$1.04 View HK$1.36 HK$1.02 HK$0.937 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect ESDA5V3SC6 STMicroelectronics 1: HK$4.11 26,159In Stock	Mfr. Part No. ESDA5V3SC6 Mouser Part No 511-ESDA5V3SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 5.3V 500W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	26,159In Stock	Cut Tape HK$4.11 HK$1.96 HK$1.71 HK$1.28 Reel HK$1.04 View HK$1.25 HK$1.03 HK$0.88 HK$0.83 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm ESDA5V3SC6Y STMicroelectronics 1: HK$6.00 43,107In Stock	Mfr. Part No. ESDA5V3SC6Y Mouser Part No 511-ESDA5V3SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Auto quad Transil 4 Uni 400W 330 Ohm Learn More about STMicroelectronics stm standard products	Datasheet	43,107In Stock	Cut Tape HK$6.00 HK$2.72 HK$2.40 HK$1.82 Reel HK$1.39 View HK$1.34 HK$1.30 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive 5-line 5.2 V TVS in SOT23-6L ESDA6V1-5SC6Y STMicroelectronics 1: HK$4.52 25,675In Stock	Mfr. Part No. ESDA6V1-5SC6Y Mouser Part No 511-ESDA6V1-5SC6Y	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5-line 5.2 V TVS in SOT23-6L Learn More about STMicroelectronics stm standard products	Datasheet	25,675In Stock	Cut Tape HK$4.52 HK$2.09 HK$1.83 HK$1.38 Reel HK$1.04 View HK$1.27 HK$0.896 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 300W Unidirect ESDA6V1L STMicroelectronics 1: HK$2.96 62,056In Stock 81,000On Order	Mfr. Part No. ESDA6V1L Mouser Part No 511-ESDA6V1L	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 300W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	62,056In Stock 81,000On Order	Cut Tape HK$2.96 HK$1.32 HK$1.07 HK$0.855 Reel HK$0.559 View HK$0.74 HK$0.543 HK$0.485 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection ESDA6V1LY STMicroelectronics 1: HK$4.44 35,091In Stock 24,000Expected 14/7/2027	Mfr. Part No. ESDA6V1LY Mouser Part No 511-ESDA6V1LY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual Transil array for ESD protection Learn More about STMicroelectronics stm standard products	Datasheet	35,091In Stock 24,000Expected 14/7/2027	Cut Tape HK$4.44 HK$2.00 HK$1.75 HK$1.32 Reel HK$1.03 View HK$1.28 HK$0.888 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect ESDA6V1SC5 STMicroelectronics 1: HK$4.77 18,695In Stock	Mfr. Part No. ESDA6V1SC5 Mouser Part No 511-ESDA6V1SC5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	18,695In Stock	Cut Tape HK$4.77 HK$2.14 HK$1.87 HK$1.41 Reel HK$1.04 View HK$1.40 HK$0.978 HK$0.871 HK$0.806 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect ESDA6V1SC6 STMicroelectronics 1: HK$4.60 53,795In Stock	Mfr. Part No. ESDA6V1SC6 Mouser Part No 511-ESDA6V1SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	53,795In Stock	Cut Tape HK$4.60 HK$2.06 HK$1.81 HK$1.36 Reel HK$1.02 View HK$1.33 HK$0.88 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 200W Unidirect ESDA6V1U1RL STMicroelectronics 1: HK$6.25 32,653In Stock 62,500Expected 22/3/2027	Mfr. Part No. ESDA6V1U1RL Mouser Part No 511-ESDA6V1U1-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 200W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	32,653In Stock 62,500Expected 22/3/2027	Cut Tape HK$6.25 HK$2.81 HK$2.47 HK$1.88 Reel HK$1.47 HK$1.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 6.1V 150W Unidirect ESDA6V1W5 STMicroelectronics 1: HK$3.37 80,705In Stock	Mfr. Part No. ESDA6V1W5 Mouser Part No 511-ESDA6V1W5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 150W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	80,705In Stock	Cut Tape HK$3.37 HK$1.50 HK$1.31 HK$0.97 Reel HK$0.715 View HK$0.954 HK$0.666 HK$0.575 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 120 A - 8/20 us, 5.5 V TVS in QFN-2L ESDA7P120-1U1M STMicroelectronics 1: HK$5.84 84,724In Stock 224,000Expected 5/1/2027	Mfr. Part No. ESDA7P120-1U1M Mouser Part No 511-ESDA7P120-1U1M	STMicroelectronics	ESD Protection Diodes / TVS Diodes 120 A - 8/20 us, 5.5 V TVS in QFN-2L	Datasheet	84,724In Stock 224,000Expected 5/1/2027	Cut Tape HK$5.84 HK$2.63 HK$2.31 HK$1.75 View Reel HK$1.04 HK$1.65 HK$1.18 HK$1.04 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes 60 A - 8/20 us, 5 V TVS in QFN-2L ESDA7P60-1U1M STMicroelectronics 1: HK$5.01 81,335In Stock 72,000Expected 29/10/2026	Mfr. Part No. ESDA7P60-1U1M Mouser Part No 511-ESDA7P60-1U1M	STMicroelectronics	ESD Protection Diodes / TVS Diodes 60 A - 8/20 us, 5 V TVS in QFN-2L Learn More about STMicroelectronics stm esda7p60 suppressor	Datasheet	81,335In Stock 72,000Expected 29/10/2026	Cut Tape HK$5.01 HK$2.25 HK$1.98 HK$1.49 Reel HK$0.748 View HK$1.35 HK$1.22 HK$0.855 HK$0.74 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes EMI Filter ESD ESDALC6V1-5P6 STMicroelectronics 1: HK$5.51 102,169In Stock	Mfr. Part No. ESDALC6V1-5P6 Mouser Part No 511-ESDALC6V1-5P6	STMicroelectronics	ESD Protection Diodes / TVS Diodes EMI Filter ESD Learn More about STMicroelectronics stm standard products	Datasheet	102,169In Stock	Cut Tape HK$5.51 HK$2.49 HK$2.19 HK$1.65 Reel HK$1.26 View HK$1.56 HK$1.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 25W 6.1V Quad Array ESDALC6V1W5 STMicroelectronics 1: HK$4.52 25,082In Stock 24,000Expected 17/3/2027	Mfr. Part No. ESDALC6V1W5 Mouser Part No 511-ESDALC6V1W5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 25W 6.1V Quad Array Learn More about STMicroelectronics stm standard products	Datasheet	25,082In Stock 24,000Expected 17/3/2027	Cut Tape HK$4.52 HK$2.01 HK$1.77 HK$1.32 Reel HK$0.962 View HK$1.30 HK$0.954 HK$0.822 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes N Ch 30V 0.009 Ohm 40A Pwr MOSFET ESDAULC6-3BP6 STMicroelectronics 1: HK$5.51 22,734In Stock 15,000On Order	Mfr. Part No. ESDAULC6-3BP6 Mouser Part No 511-ESDAULC63BP6	STMicroelectronics	ESD Protection Diodes / TVS Diodes N Ch 30V 0.009 Ohm 40A Pwr MOSFET Learn More about STMicroelectronics stm standard products	Datasheet	22,734In Stock 15,000On Order	Cut Tape HK$5.51 HK$2.50 HK$2.19 HK$1.66 Reel HK$1.26 View HK$1.09 HK$1.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line Transil, transient voltage suppressor (TVS) ESDAVLC6-2BLY STMicroelectronics 1: HK$3.86 115,340In Stock 96,000Expected 27/1/2027	Mfr. Part No. ESDAVLC6-2BLY Mouser Part No 511-ESDAVLC6-2BLY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line Transil, transient voltage suppressor (TVS) Learn More about STMicroelectronics stm standard products	Datasheet	115,340In Stock 96,000Expected 27/1/2027	Cut Tape HK$3.86 HK$1.73 HK$1.52 HK$1.13 Reel HK$0.847 View HK$1.09 HK$0.723 HK$0.707 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (12 V system) ESDCAN02-2BWY STMicroelectronics 1: HK$3.95 64,923In Stock	Mfr. Part No. ESDCAN02-2BWY Mouser Part No 511-ESDCAN02-2BWY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (12 V system) Learn More about STMicroelectronics stm esdcan0x automotive tvs diodes	Datasheet	64,923In Stock	Cut Tape HK$3.95 HK$1.75 HK$1.52 HK$1.15 Reel HK$0.814 View HK$1.05 HK$0.806 HK$0.69 HK$0.674 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (24 V system) ESDCAN05-2BWY STMicroelectronics 1: HK$4.27 67,770In Stock	Mfr. Part No. ESDCAN05-2BWY Mouser Part No 511-ESDCAN05-2BWY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (24 V system) Learn More about STMicroelectronics stm esdcan0x automotive tvs diodes	Datasheet	67,770In Stock	Cut Tape HK$4.27 HK$2.18 HK$1.74 HK$1.33 Reel HK$0.912 View HK$1.20 HK$0.904 HK$0.773 HK$0.748 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT23-3L for CAN bus (24 V system) ESDCAN06-2BLY STMicroelectronics 1: HK$4.03 111,209In Stock	Mfr. Part No. ESDCAN06-2BLY Mouser Part No 511-ESDCAN06-2BLY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT23-3L for CAN bus (24 V system) Learn More about STMicroelectronics stm esdcan0x automotive tvs diodes	Datasheet	111,209In Stock	Cut Tape HK$4.03 HK$1.78 HK$1.56 HK$1.17 Reel HK$0.847 View HK$1.12 HK$0.838 HK$0.707 HK$0.682 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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