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Semiconductors

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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.
RS-485 Interface IC High-speed 3.3 V / 5 V RS485 transceiver with +-12 kV IEC 61000-4-2 contact ESD protection ST4E1240IQT STMicroelectronics 1: HK$16.77 1,721In Stock 3,000On Order	Mfr. Part No. ST4E1240IQT Mouser Part No 511-ST4E1240IQT	STMicroelectronics	RS-485 Interface IC High-speed 3.3 V / 5 V RS485 transceiver with +-12 kV IEC 61000-4-2 contact ESD protection Learn More about STMicroelectronics st4e12x transceivers	Datasheet	1,721In Stock 3,000On Order	Cut Tape HK$16.77 HK$12.41 HK$11.26 HK$10.11 Reel HK$8.30 View HK$9.54 HK$9.12 HK$8.13	Min.: 1 Mult.: 1 : 3,000
Motor/Motion/Ignition Controllers & Drivers Stepper Motor L297D013TR STMicroelectronics 1: HK$138.75 3,645In Stock	Mfr. Part No. L297D013TR Mouser Part No 511-L297D013TR	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers Stepper Motor Learn More about STMicroelectronics stm stepper motor drivers	Datasheet	3,645In Stock	Cut Tape HK$138.75 HK$116.23 HK$103.00 HK$95.60 View Reel HK$90.58 HK$93.30 HK$92.06 HK$90.58 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Motor/Motion/Ignition Controllers & Drivers FlexInput IC for automotive applications L9966CB-TR STMicroelectronics 1: HK$61.16 13,096In Stock	Mfr. Part No. L9966CB-TR Mouser Part No 511-L9966CB-TR	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers FlexInput IC for automotive applications	Datasheet	13,096In Stock	Cut Tape HK$61.16 HK$47.18 HK$43.73 HK$39.87 View Reel HK$32.88 HK$36.99 HK$33.78 HK$32.88 MouseReel Available	Min.: 1 Mult.: 1 : 2,400
LDO Voltage Regulators 1A Low Quiescent Reg 1.5 to 5.5 V 200mV LD39100PUR STMicroelectronics 1: HK$7.48 69,099In Stock	Mfr. Part No. LD39100PUR Mouser Part No 511-LD39100PUR	STMicroelectronics	LDO Voltage Regulators 1A Low Quiescent Reg 1.5 to 5.5 V 200mV Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	69,099In Stock	Cut Tape HK$7.48 HK$5.94 HK$5.31 HK$4.73 Reel HK$3.99 View HK$4.44 HK$4.31 HK$4.22 HK$3.92 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Pressure Sensors Dual full-scale 1260hPa 4060hPa absolute digital output barometer waterresistant LPS28DFWTR STMicroelectronics 1: HK$57.29 6,342In Stock	Mfr. Part No. LPS28DFWTR Mouser Part No 511-LPS28DFWTR	STMicroelectronics	Board Mount Pressure Sensors Dual full-scale 1260hPa 4060hPa absolute digital output barometer waterresistant Learn More about STMicroelectronics stm lps28dfw barometer	Datasheet	6,342In Stock	Cut Tape HK$57.29 HK$51.62 HK$49.48 HK$46.85 View Reel HK$41.68 HK$44.31 HK$41.68 HK$41.68 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 2,500
Real Time Clock 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: HK$339.16 844In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	844In Stock	HK$339.16 HK$249.48 HK$239.45 HK$230.08 View HK$221.78 Quote	Min.: 1 Mult.: 1
Operational Amplifiers - Op Amps Quad Low Power MC3303PT STMicroelectronics 1: HK$9.21 32,024In Stock	Mfr. Part No. MC3303PT Mouser Part No 511-MC3303P	STMicroelectronics	Operational Amplifiers - Op Amps Quad Low Power Learn More about STMicroelectronics stm standard products	Datasheet	32,024In Stock	Cut Tape HK$9.21 HK$6.60 HK$5.94 HK$5.23 Reel HK$4.16 View HK$4.89 HK$4.68 HK$4.53 HK$4.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers Voltage Mode w/Sync SG3525AP013TR STMicroelectronics 1: HK$18.58 14,617In Stock	Mfr. Part No. SG3525AP013TR Mouser Part No 511-SG3525AP013TR	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	14,617In Stock	Cut Tape HK$18.58 HK$13.81 HK$12.58 HK$11.26 Reel HK$8.96 View HK$10.60 HK$10.36 HK$9.95 HK$8.71 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM STM32F103RBT6 STMicroelectronics 1: HK$76.20 13,785In Stock	Mfr. Part No. STM32F103RBT6 Mouser Part No 511-STM32F103RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	13,785In Stock	HK$76.20 HK$58.53 HK$52.20 HK$49.81 HK$46.94	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: HK$129.22 2,000In Stock 2,000Expected 28/11/2026	Mfr. Part No. STM32F103RGT6TR Mouser Part No 511-STM32F103RGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto Learn More about STMicroelectronics stm32f1	Datasheet	2,000In Stock 2,000Expected 28/11/2026	Cut Tape HK$129.22 HK$101.43 HK$92.39 HK$86.89 View Reel HK$72.58 HK$85.24 HK$80.31 HK$72.58 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 STM32F302C6T6 STMicroelectronics 1: HK$51.13 6,541In Stock	Mfr. Part No. STM32F302C6T6 Mouser Part No 511-STM32F302C6T6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7 Learn More about STMicroelectronics stm stm32f302x6 stm32f302x8	Datasheet	6,541In Stock	HK$51.13 HK$39.13 HK$34.28 HK$32.80 View HK$31.24 HK$30.25 HK$27.45 HK$26.80 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 1 Mbyte of Flash 216 MHz CPU, Art STM32F746NGH6 STMicroelectronics 1: HK$162.51 8,619In Stock	Mfr. Part No. STM32F746NGH6 Mouser Part No 511-STM32F746NGH6	STMicroelectronics	ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 1 Mbyte of Flash 216 MHz CPU, Art Learn More about STMicroelectronics stm stm32f7 mcu fpu	Datasheet	8,619In Stock	HK$162.51 HK$135.88 HK$127.90 HK$120.92 View HK$119.03 HK$114.18 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 32 Kbytes of Flash Math Accel, Medium Analo STM32G431C6T6 STMicroelectronics 1: HK$43.32 11,639In Stock	Mfr. Part No. STM32G431C6T6 Mouser Part No 511-STM32G431C6T6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 32 Kbytes of Flash Math Accel, Medium Analo Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	11,639In Stock	HK$43.32 HK$31.81 HK$29.51 HK$26.88 View HK$26.30 HK$23.84 HK$23.51 HK$21.87	Min.: 1 Mult.: 1 Max.: 1,500
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD STM32L4R9VIT6 STMicroelectronics 1: HK$136.95 3,686In Stock	Mfr. Part No. STM32L4R9VIT6 Mouser Part No 511-STM32L4R9VIT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 2048 kbytes of Flash USB OTG, DFSD Learn More about STMicroelectronics stm stm32l4 microcontrollers	Datasheet	3,686In Stock	HK$136.95 HK$101.60 HK$93.87 HK$92.23 View HK$87.63 HK$80.88	Min.: 1 Mult.: 1 Max.: 540
8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz STM8S207C8T6 STMicroelectronics 1: HK$34.85 7,955In Stock	Mfr. Part No. STM8S207C8T6 Mouser Part No 511-STM8S207C8T6	STMicroelectronics	8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz Learn More about STMicroelectronics stm8smcus	Datasheet	7,955In Stock	HK$34.85 HK$26.14 HK$23.51 HK$20.88 View HK$20.14 HK$19.07 HK$17.43 HK$17.02 HK$16.69	Min.: 1 Mult.: 1
Motor/Motion/Ignition Controllers & Drivers Low voltage three phase and three sense motor driver STSPIN233 STMicroelectronics 1: HK$19.73 11,753In Stock	Mfr. Part No. STSPIN233 Mouser Part No 511-STSPIN233	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers Low voltage three phase and three sense motor driver Learn More about STMicroelectronics stspin drivers	Datasheet	11,753In Stock	HK$19.73 HK$14.96 HK$13.32 HK$11.92 View HK$11.26 HK$10.93 HK$10.69 HK$10.52 HK$9.78	Min.: 1 Mult.: 1
Audio Amplifiers 100 V, 100 W DMOS audio amplifier with mute and standby TDA7294HS STMicroelectronics 1: HK$76.86 4,426In Stock	Mfr. Part No. TDA7294HS Mouser Part No 511-TDA7294HS	STMicroelectronics	Audio Amplifiers 100 V, 100 W DMOS audio amplifier with mute and standby	Datasheet	4,426In Stock	HK$76.86 HK$59.76 HK$54.58 HK$50.80 View HK$48.58 HK$44.88 HK$43.32 Quote	Min.: 1 Mult.: 1
Operational Amplifiers - Op Amps JFET inputs, low input bias current TL084ACDT STMicroelectronics 1: HK$5.84 46,181In Stock	Mfr. Part No. TL084ACDT Mouser Part No 511-TL084ACDT	STMicroelectronics	Operational Amplifiers - Op Amps JFET inputs, low input bias current Learn More about STMicroelectronics stm standard products	Datasheet	46,181In Stock	Cut Tape HK$5.84 HK$4.14 HK$3.72 HK$3.26 Reel HK$2.42 View HK$3.03 HK$2.90 HK$2.79 HK$2.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Precision Amplifiers 800 uV 2.7 to 12 V 3 MHz 900 uA 85dB TS9511ILT STMicroelectronics 1: HK$13.40 25,717In Stock	Mfr. Part No. TS9511ILT Mouser Part No 511-TS9511ILT	STMicroelectronics	Precision Amplifiers 800 uV 2.7 to 12 V 3 MHz 900 uA 85dB Learn More about STMicroelectronics stm op amps	Datasheet	25,717In Stock	Cut Tape HK$13.40 HK$9.86 HK$8.96 HK$7.92 View Reel HK$6.19 HK$7.46 HK$7.17 HK$7.11 HK$6.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Operational Amplifiers - Op Amps 60uA 880KHz Input/Output Amp. TSV631AILT STMicroelectronics 1: HK$10.36 40,365In Stock	Mfr. Part No. TSV631AILT Mouser Part No 511-TSV631AILT	STMicroelectronics	Operational Amplifiers - Op Amps 60uA 880KHz Input/Output Amp. Learn More about STMicroelectronics tsv63x op amps	Datasheet	40,365In Stock	Cut Tape HK$10.36 HK$7.64 HK$6.78 HK$6.00 View Reel HK$4.71 HK$5.62 HK$5.39 HK$5.21 HK$4.71 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Operational Amplifiers - Op Amps High bandwidth (22MHz) Low offset (200uAV) low-rail 5V op amp TSV7722IQ2T STMicroelectronics 1: HK$8.71 61,550In Stock	Mfr. Part No. TSV7722IQ2T Mouser Part No 511-TSV7722IQ2T	STMicroelectronics	Operational Amplifiers - Op Amps High bandwidth (22MHz) Low offset (200uAV) low-rail 5V op amp Learn More about STMicroelectronics stm tsv772x op amps	Datasheet	61,550In Stock	Cut Tape HK$8.71 HK$6.29 HK$5.56 HK$4.93 Reel HK$3.90 View HK$4.61 HK$4.42 HK$4.18 HK$3.83 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Operational Amplifiers - Op Amps High bandwidth (22MHz) Low offset (200uAV) low-rail 5V op amp TSV7723IST STMicroelectronics 1: HK$8.71 56,732In Stock	Mfr. Part No. TSV7723IST Mouser Part No 511-TSV7723IST	STMicroelectronics	Operational Amplifiers - Op Amps High bandwidth (22MHz) Low offset (200uAV) low-rail 5V op amp Learn More about STMicroelectronics stm tsv772x op amps	Datasheet	56,732In Stock	Cut Tape HK$8.71 HK$5.10 HK$4.69 HK$4.26 View Reel HK$3.81 HK$4.04 HK$3.92 HK$3.84 HK$3.81 HK$3.81 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Power Switch ICs - Power Distribution Double Ch Hi Side Driver auto VND5050JTR-E STMicroelectronics 1: HK$24.33 26,658In Stock	Mfr. Part No. VND5050JTR-E Mouser Part No 511-VND5050JTR-E	STMicroelectronics	Power Switch ICs - Power Distribution Double Ch Hi Side Driver auto	Datasheet	26,658In Stock	Cut Tape HK$24.33 HK$19.48 HK$18.25 HK$16.85 Reel HK$14.47 View HK$16.19 HK$15.86 HK$15.54 HK$14.14 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Motor/Motion/Ignition Controllers & Drivers Automotive fully integrated H-bridge motor driver VNH7040AYTR STMicroelectronics 1: HK$41.51 71,327In Stock	Mfr. Part No. VNH7040AYTR Mouser Part No 511-VNH7040AYTR	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers Automotive fully integrated H-bridge motor driver Learn More about STMicroelectronics stm vnh5xx	Datasheet	71,327In Stock	Cut Tape HK$41.51 HK$34.20 HK$32.30 HK$30.00 Reel HK$27.21 View HK$28.52 HK$27.62 HK$26.63 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gate Drivers 19A OMNIFET VNL5050S5TR-E STMicroelectronics 1: HK$13.07 24,643In Stock	Mfr. Part No. VNL5050S5TR-E Mouser Part No 511-VNL5050S5TR-E	STMicroelectronics	Gate Drivers 19A OMNIFET	Datasheet	24,643In Stock	Cut Tape HK$13.07 HK$9.70 HK$8.80 HK$7.83 View Reel HK$6.07 HK$7.35 HK$7.06 HK$6.98 HK$6.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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