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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.
Switching Voltage Regulators 38 V, 2 A synchronous step-down converter with low quiescent current L6982C50DR STMicroelectronics 1: HK$21.45 1,799In Stock	Mfr. Part No. L6982C50DR Mouser Part No 511-L6982C50DR	STMicroelectronics	Switching Voltage Regulators 38 V, 2 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6982 converter	Datasheet	1,799In Stock	Cut Tape HK$21.45 HK$16.03 HK$14.63 HK$13.07 Reel HK$11.18 View HK$12.41 HK$12.00 HK$11.51 HK$10.69 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators Rad-hard plastic 2A positive low drop voltage regulator, not Flight Models LEO3910PDT-D STMicroelectronics 1: HK$3,901.54 18In Stock	Mfr. Part No. LEO3910PDT-D Mouser Part No 511-LEO3910PDT-D	STMicroelectronics	LDO Voltage Regulators Rad-hard plastic 2A positive low drop voltage regulator, not Flight Models Learn More about STMicroelectronics leo rad hard ics	Datasheet	18In Stock	Cut Tape HK$3,901.54 Reel HK$3,901.54 HK$3,781.28	Min.: 1 Mult.: 1 : 7
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 33 V TVS SM50T39AY STMicroelectronics 1: HK$23.18 2,289In Stock	Mfr. Part No. SM50T39AY Mouser Part No 511-SM50T39AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 33 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,289In Stock	Cut Tape HK$23.18 HK$14.71 HK$11.51 HK$10.36 Reel HK$6.94 View HK$8.30 HK$7.38 HK$6.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART STM32C031K4U6 STMicroelectronics 1: HK$11.10 2,644In Stock	Mfr. Part No. STM32C031K4U6 Mouser Part No 511-STM32C031K4U6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART Learn More about STMicroelectronics stm stm32c0x mcus	Datasheet	2,644In Stock	HK$11.10 HK$6.49 HK$5.84 HK$5.47 HK$5.16	Min.: 1 Mult.: 1 Max.: 500
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U545VEI6Q STMicroelectronics 1: HK$82.53 1,288In Stock	Mfr. Part No. STM32U545VEI6Q Mouser Part No 511-STM32U545VEI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,288In Stock	HK$82.53 HK$61.90 HK$59.02 HK$51.21 View HK$48.91 HK$46.44 HK$45.29 Quote	Min.: 1 Mult.: 1
SiC Schottky Diodes Automotive 1200 V, 20A power Schottky High Surge silicon carbide diode STPSC20G12WLY STMicroelectronics 1: HK$67.73 561In Stock	Mfr. Part No. STPSC20G12WLY Mouser Part No 511-STPSC20G12WLY	STMicroelectronics	SiC Schottky Diodes Automotive 1200 V, 20A power Schottky High Surge silicon carbide diode Learn More about STMicroelectronics stm stpsc20g12 diodes	Datasheet	561In Stock	HK$67.73 HK$52.94 HK$30.74	Min.: 1 Mult.: 1
Schottky Diodes & Rectifiers Automotive 100 V, 5 A, Power Schottky Trench Rectifier STPST5H100SBY-TR STMicroelectronics 1: HK$12.49 9,405In Stock	Mfr. Part No. STPST5H100SBY-TR Mouser Part No 511-STPST5H100SBY-TR	STMicroelectronics	Schottky Diodes & Rectifiers Automotive 100 V, 5 A, Power Schottky Trench Rectifier Learn More about STMicroelectronics stmicro stpstxh100 y diodes	Datasheet	9,405In Stock	Cut Tape HK$12.49 HK$5.86 HK$5.22 HK$4.08 Reel HK$3.31 View HK$4.03 HK$3.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Schottky Diodes & Rectifiers Automotive 100 V, 8 A Power Schottky Trench Rectifier STPST8H100SFY STMicroelectronics 1: HK$12.25 5,530In Stock	Mfr. Part No. STPST8H100SFY Mouser Part No 511-STPST8H100SFY	STMicroelectronics	Schottky Diodes & Rectifiers Automotive 100 V, 8 A Power Schottky Trench Rectifier Learn More about STMicroelectronics stmicro stpstxh100 y diodes	Datasheet	5,530In Stock	Cut Tape HK$12.25 HK$5.76 HK$5.13 HK$4.00 View Reel HK$3.00 HK$3.94 HK$3.57 HK$3.00 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Motor/Motion/Ignition Controllers & Drivers Scalable 4.5 A dual full-bridge driver for brushed DC motors STSPIN948 STMicroelectronics 1: HK$26.30 1,298In Stock	Mfr. Part No. STSPIN948 Mouser Part No 511-STSPIN948	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers Scalable 4.5 A dual full-bridge driver for brushed DC motors Learn More about STMicroelectronics stspin948 driver	Datasheet	1,298In Stock	HK$26.30 HK$20.96 HK$19.65 HK$18.17 View HK$17.51 HK$17.43 HK$17.34	Min.: 1 Mult.: 1
Analog Comparators Rail-to-rail 1.8 V high-speed comparator TS3021IYCT STMicroelectronics 1: HK$10.60 3,908In Stock	Mfr. Part No. TS3021IYCT Mouser Part No 511-TS3021IYCT	STMicroelectronics	Analog Comparators Rail-to-rail 1.8 V high-speed comparator	Datasheet	3,908In Stock	Cut Tape HK$10.60 HK$8.15 HK$7.56 HK$6.90 View Reel HK$6.31 HK$6.58 HK$6.40 HK$6.32 HK$6.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Operational Amplifiers - Op Amps High temperature (150C) long mission profile automotive, high accuracy (250V) 5V TSU111HYLT STMicroelectronics 1: HK$14.06 2,318In Stock	Mfr. Part No. TSU111HYLT Mouser Part No 511-TSU111HYLT	STMicroelectronics	Operational Amplifiers - Op Amps High temperature (150C) long mission profile automotive, high accuracy (250V) 5V Learn More about STMicroelectronics stm tsu11x operational amplifiers	Datasheet	2,318In Stock	Cut Tape HK$14.06 HK$11.01 HK$10.19 HK$9.54 Reel HK$8.02 View HK$9.21 HK$8.96 HK$7.88 MouseReel Available	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
Switching Voltage Regulators 36 V, 400 mA synchronous step-down switching regulator L6984ATR STMicroelectronics 1: HK$18.91 15,755In Stock	Mfr. Part No. L6984ATR Mouser Part No 511-L6984ATR	STMicroelectronics	Switching Voltage Regulators 36 V, 400 mA synchronous step-down switching regulator Learn More about STMicroelectronics stm l6984 regulators	Datasheet	15,755In Stock	Cut Tape HK$18.91 HK$13.97 HK$12.82 HK$11.43 Reel HK$9.12 View HK$10.77 HK$10.44 HK$10.11 HK$8.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
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
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

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