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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 400W 12V Unidirect SMAJ12A-TR STMicroelectronics 1: HK$4.93 16,820In Stock	Mfr. Part No. SMAJ12A-TR Mouser Part No 511-SMAJ12A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 12V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	16,820In Stock	Cut Tape HK$4.93 HK$2.23 HK$1.96 HK$1.47 Reel HK$1.04 HK$0.904 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 13V Unidirect SMAJ13A-TR STMicroelectronics 1: HK$5.75 44,825In Stock	Mfr. Part No. SMAJ13A-TR Mouser Part No 511-SMAJ13A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 13V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	44,825In Stock	Cut Tape HK$5.75 HK$2.61 HK$2.29 HK$1.73 Reel HK$1.23 View HK$1.64 HK$1.09 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 15V Unidirect SMAJ15A-TR STMicroelectronics 1: HK$5.01 17,681In Stock 25,000Expected 9/7/2027	Mfr. Part No. SMAJ15A-TR Mouser Part No 511-SMAJ15A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 15V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	17,681In Stock 25,000Expected 9/7/2027	Cut Tape HK$5.01 HK$2.26 HK$1.99 HK$1.50 Reel HK$1.05 View HK$1.45 HK$0.921 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 15V Bidirect SMAJ15CA-TR STMicroelectronics 1: HK$5.51 24,717In Stock	Mfr. Part No. SMAJ15CA-TR Mouser Part No 511-SMAJ15CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 15V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	24,717In Stock	Cut Tape HK$5.51 HK$2.50 HK$2.19 HK$1.66 Reel HK$1.18 View HK$1.46 HK$1.04 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 18V Bidirect SMAJ18CA-TR STMicroelectronics 1: HK$5.92 17,729In Stock	Mfr. Part No. SMAJ18CA-TR Mouser Part No 511-SMAJ18CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 18V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	17,729In Stock	Cut Tape HK$5.92 HK$2.66 HK$2.34 HK$1.78 Reel HK$1.27 View HK$1.68 HK$1.08 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 24V Unidirect SMAJ24A-TR STMicroelectronics 1: HK$5.34 41,287In Stock	Mfr. Part No. SMAJ24A-TR Mouser Part No 511-SMAJ24A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 24V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	41,287In Stock	Cut Tape HK$5.34 HK$2.39 HK$2.10 HK$1.59 Reel HK$1.13 View HK$1.47 HK$1.36 HK$0.978 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes TRANSIL SMAJ24CA-TR STMicroelectronics 1: HK$7.23 27,610In Stock	Mfr. Part No. SMAJ24CA-TR Mouser Part No 511-SMAJ24CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes TRANSIL Learn More about STMicroelectronics stm standard products	Datasheet	27,610In Stock	Cut Tape HK$7.23 HK$3.29 HK$2.89 HK$2.21 Reel HK$1.60 View HK$2.18 HK$2.08 HK$1.43 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Transil 400 W 10/1000 5v to 188V SMAJ26CA-TR STMicroelectronics 1: HK$5.92 32,402In Stock	Mfr. Part No. SMAJ26CA-TR Mouser Part No 511-SMAJ26CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes Transil 400 W 10/1000 5v to 188V Learn More about STMicroelectronics stm standard products	Datasheet	32,402In Stock	Cut Tape HK$5.92 HK$2.66 HK$2.34 HK$1.78 Reel HK$1.27 View HK$1.68 HK$1.11 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 28V Bidirect SMAJ28CA-TR STMicroelectronics 1: HK$6.00 23,019In Stock	Mfr. Part No. SMAJ28CA-TR Mouser Part No 511-SMAJ28CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 28V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	23,019In Stock	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.18 View HK$1.74 HK$1.62 HK$1.04 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 30V Unidirect SMAJ30A-TR STMicroelectronics 1: HK$5.34 20,765In Stock	Mfr. Part No. SMAJ30A-TR Mouser Part No 511-SMAJ30A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 30V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	20,765In Stock	Cut Tape HK$5.34 HK$2.39 HK$2.10 HK$1.59 Reel HK$1.13 View HK$1.47 HK$0.978 HK$0.921 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 30V Bidirect SMAJ30CA-TR STMicroelectronics 1: HK$5.51 29,798In Stock	Mfr. Part No. SMAJ30CA-TR Mouser Part No 511-SMAJ30CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 30V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	29,798In Stock	Cut Tape HK$5.51 HK$2.50 HK$2.19 HK$1.66 Reel HK$1.18 View HK$1.55 HK$1.03 HK$1.00 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 33V Bidirect SMAJ33CA-TR STMicroelectronics 1: HK$5.51 26,645In Stock	Mfr. Part No. SMAJ33CA-TR Mouser Part No 511-SMAJ33CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 33V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	26,645In Stock	Cut Tape HK$5.51 HK$2.50 HK$2.19 HK$1.66 Reel HK$1.18 View HK$1.55 HK$1.04 HK$1.01 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 40V Unidirect SMAJ40A-TR STMicroelectronics 1: HK$5.67 12,134In Stock	Mfr. Part No. SMAJ40A-TR Mouser Part No 511-SMAJ40A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 40V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	12,134In Stock	Cut Tape HK$5.67 HK$2.55 HK$2.24 HK$1.69 Reel HK$1.21 View HK$1.59 HK$1.10 HK$1.04 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 5.0V Bidirect SMAJ5.0CA-TR STMicroelectronics 1: HK$6.00 41,433In Stock	Mfr. Part No. SMAJ5.0CA-TR Mouser Part No 511-SMAJ5.0CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 5.0V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	41,433In Stock	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.28 View HK$1.70 HK$1.13 HK$1.12 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes TRANSIL SMAJ58CA-TR STMicroelectronics 1: HK$5.92 19,591In Stock	Mfr. Part No. SMAJ58CA-TR Mouser Part No 511-SMAJ58CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes TRANSIL Learn More about STMicroelectronics stm standard products	Datasheet	19,591In Stock	Cut Tape HK$5.92 HK$2.67 HK$2.16 HK$1.70 Reel HK$1.31 View HK$1.57 HK$1.44 HK$1.16 HK$1.12 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 6.0V Unidirect SMAJ6.0A-TR STMicroelectronics 1: HK$5.34 13,818In Stock	Mfr. Part No. SMAJ6.0A-TR Mouser Part No 511-SMAJ6.0A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 6.0V Unidirect Learn More about STMicroelectronics stm 400w transil tvs	Datasheet	13,818In Stock	Cut Tape HK$5.34 HK$2.39 HK$2.10 HK$1.59 Reel HK$1.13 View HK$1.47 HK$0.978 HK$0.945 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 6.0V Bidirect SMAJ6.0CA-TR STMicroelectronics 1: HK$5.51 15,370In Stock	Mfr. Part No. SMAJ6.0CA-TR Mouser Part No 511-SMAJ6.0CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 400W 6.0V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	15,370In Stock	Cut Tape HK$5.51 HK$2.50 HK$2.19 HK$1.66 Reel HK$1.18 View HK$1.55 HK$1.07 HK$1.00 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 600W 100V Bidirect SMBJ100CA-TR STMicroelectronics 1: HK$7.40 8,566In Stock	Mfr. Part No. SMBJ100CA-TR Mouser Part No 511-SMBJ100CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 100V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	8,566In Stock	Cut Tape HK$7.40 HK$3.38 HK$2.98 HK$2.28 Reel HK$1.80 View HK$2.25 HK$1.58 HK$1.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 12V Unidirect SMBJ12A-TR STMicroelectronics 1: HK$5.43 38,734In Stock	Mfr. Part No. SMBJ12A-TR Mouser Part No 511-SMBJ12A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 12V Unidirect Learn More about STMicroelectronics stm 600w tvs diode	Datasheet	38,734In Stock	Cut Tape HK$5.43 HK$2.44 HK$2.15 HK$1.63 Reel HK$1.22 View HK$1.09 HK$1.04 HK$0.97 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 12V Bidirect SMBJ12CA-TR STMicroelectronics 1: HK$6.00 52,573In Stock	Mfr. Part No. SMBJ12CA-TR Mouser Part No 511-SMBJ12CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 12V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	52,573In Stock	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.32 View HK$1.69 HK$1.22 HK$1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 15V Bidirect SMBJ15CA-TR STMicroelectronics 1: HK$6.00 12,504In Stock 15,000Expected 9/12/2026	Mfr. Part No. SMBJ15CA-TR Mouser Part No 511-SMBJ15CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 15V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	12,504In Stock 15,000Expected 9/12/2026	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.36 View HK$1.22 HK$1.18 HK$1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 18V Bidirect SMBJ18CA-TR STMicroelectronics 1: HK$6.00 12,728In Stock	Mfr. Part No. SMBJ18CA-TR Mouser Part No 511-SMBJ18CA	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 18V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	12,728In Stock	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.40 View HK$1.22 HK$1.18 HK$1.12 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 22V Unidirect SMBJ22A-TR STMicroelectronics 1: HK$6.00 12,622In Stock	Mfr. Part No. SMBJ22A-TR Mouser Part No 511-SMBJ22A	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 22V Unidirect Learn More about STMicroelectronics stm 600w tvs diode	Datasheet	12,622In Stock	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.38 View HK$1.66 HK$1.22 HK$1.18 HK$1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 28V Unidirect SMBJ28A-TR STMicroelectronics 1: HK$5.43 16,274In Stock	Mfr. Part No. SMBJ28A-TR Mouser Part No 511-SMBJ28A-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 28V Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	16,274In Stock	Cut Tape HK$5.43 HK$2.44 HK$2.18 HK$1.71 Reel HK$1.31 View HK$1.42 HK$1.17 HK$1.09 HK$0.986 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 600W 48V Bidirect SMBJ48CA-TR STMicroelectronics 1: HK$6.00 18,970In Stock	Mfr. Part No. SMBJ48CA-TR Mouser Part No 511-SMBJ48CA-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 600W 48V Bidirect Learn More about STMicroelectronics stm standard products	Datasheet	18,970In Stock	Cut Tape HK$6.00 HK$2.70 HK$2.38 HK$1.80 Reel HK$1.41 HK$1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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