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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 Controllers HV converter embedding advanced quasi-resonant controller and 650V GAN HEMT VIPERGAN50TR STMicroelectronics 1: HK$27.78 3,840In Stock	Mfr. Part No. VIPERGAN50TR Mouser Part No 511-VIPERGAN50TR	STMicroelectronics	Switching Controllers HV converter embedding advanced quasi-resonant controller and 650V GAN HEMT Learn More about STMicroelectronics stm vipergan50 converter	Datasheet	3,840In Stock	Cut Tape HK$27.78 HK$21.37 HK$19.65 HK$17.67 View Reel HK$13.97 HK$16.77 HK$16.19 HK$15.45 HK$15.12 HK$13.97 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup and po L4986B STMicroelectronics 1: HK$44.72 1,949In Stock	Mfr. Part No. L4986B Mouser Part No 511-L4986B	STMicroelectronics	Power Factor Correction - PFC Continuous conduction mode (CCM) PFC controller with high voltage startup and po Learn More about STMicroelectronics stm l4986 controllers	Datasheet	1,949In Stock	HK$44.72 HK$34.11 HK$31.40 HK$28.52 View HK$27.13 HK$26.22 HK$25.89 HK$25.40	Min.: 1 Mult.: 1
Gate Drivers High voltage high and low-side driver L6389ED STMicroelectronics 1: HK$11.01 1,158In Stock	Mfr. Part No. L6389ED Mouser Part No 511-L6389ED	STMicroelectronics	Gate Drivers High voltage high and low-side driver Learn More about STMicroelectronics stmicro l638 l639 gate drivers	Datasheet	1,158In Stock	HK$11.01 HK$7.97 HK$7.21 HK$6.37 View HK$5.97 HK$5.73 HK$5.47 HK$5.24 HK$5.13	Min.: 1 Mult.: 1
Linear Voltage Regulators 9.0V 1.0A Positive L7809ABD2T-TR STMicroelectronics 1: HK$8.47 1,731In Stock 2,000Expected 19/10/2026	Mfr. Part No. L7809ABD2T-TR Mouser Part No 511-L7809ABD2T-TR	STMicroelectronics	Linear Voltage Regulators 9.0V 1.0A Positive Learn More about STMicroelectronics stm standard products	Datasheet	1,731In Stock 2,000Expected 19/10/2026	Cut Tape HK$8.47 HK$6.07 HK$5.49 HK$4.83 Reel HK$3.84 View HK$4.52 HK$4.33 HK$3.72 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Linear Voltage Regulators 24V 1.5A Positive L7824CP STMicroelectronics 1: HK$10.60 1,879In Stock 2,000Expected 16/10/2026	Mfr. Part No. L7824CP Mouser Part No 511-L7824CP	STMicroelectronics	Linear Voltage Regulators 24V 1.5A Positive Learn More about STMicroelectronics stm standard products	Datasheet	1,879In Stock 2,000Expected 16/10/2026	HK$10.60 HK$7.65 HK$6.26 HK$5.82 View HK$5.56 HK$5.37 HK$5.22 HK$4.95 HK$4.84	Min.: 1 Mult.: 1
Linear Voltage Regulators 24V 0.1A Positive L78L24ABZ-TR STMicroelectronics 1: HK$2.96 5,192In Stock	Mfr. Part No. L78L24ABZ-TR Mouser Part No 511-L78L24ABZ-TR	STMicroelectronics	Linear Voltage Regulators 24V 0.1A Positive Learn More about STMicroelectronics stm standard products	Datasheet	5,192In Stock	Cut Tape HK$2.96 HK$2.03 HK$1.81 HK$1.56 Reel HK$1.23 View HK$1.45 HK$1.37 HK$1.32 HK$1.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Linear Voltage Regulators 24V 0.5A Positive L78M24CV STMicroelectronics 1: HK$4.44 2,803In Stock	Mfr. Part No. L78M24CV Mouser Part No 511-L78M24CV	STMicroelectronics	Linear Voltage Regulators 24V 0.5A Positive Learn More about STMicroelectronics stm standard products	Datasheet	2,803In Stock	HK$4.44 HK$3.48 HK$3.02 HK$2.88 View HK$2.78 HK$2.68 HK$2.49 HK$2.48	Min.: 1 Mult.: 1
Motor/Motion/Ignition Controllers & Drivers Motor Bridge L9903 STMicroelectronics 1: HK$44.06 986In Stock	Mfr. Part No. L9903 Mouser Part No 511-L9903	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers Motor Bridge	Datasheet	986In Stock	HK$44.06 HK$33.62 HK$30.99 HK$28.03 View HK$26.72 HK$25.89 HK$25.48 HK$25.15	Min.: 1 Mult.: 1
LDO Voltage Regulators 2.5V 0.8A Positive LD1117S25TR STMicroelectronics 1: HK$3.86 5,909In Stock	Mfr. Part No. LD1117S25TR Mouser Part No 511-LD1117S25-TR	STMicroelectronics	LDO Voltage Regulators 2.5V 0.8A Positive Learn More about STMicroelectronics stm standard products	Datasheet	5,909In Stock	Cut Tape HK$3.86 HK$2.66 HK$2.38 HK$2.05 Reel HK$1.71 View HK$1.89 HK$1.80 HK$1.72 HK$1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Galvanically Isolated Gate Drivers Galvanically isolated 4 A half-bridge dual channel gate driver STGAP2DM STMicroelectronics 1: HK$23.18 887In Stock	Mfr. Part No. STGAP2DM Mouser Part No 511-STGAP2DM	STMicroelectronics	Galvanically Isolated Gate Drivers Galvanically isolated 4 A half-bridge dual channel gate driver Learn More about STMicroelectronics stm stgap2d drivers	Datasheet	887In Stock	HK$23.18 HK$17.34 HK$14.96 HK$14.22 View HK$13.48 HK$12.99 HK$12.41 HK$12.00 HK$11.84	Min.: 1 Mult.: 1
Supervisory Circuits SUPERVISOR WATCHDOG STM6321LWY6F STMicroelectronics 1: HK$13.56 1,378In Stock	Mfr. Part No. STM6321LWY6F Mouser Part No 511-STM6321LWY6F	STMicroelectronics	Supervisory Circuits SUPERVISOR WATCHDOG	Datasheet	1,378In Stock	Cut Tape HK$13.56 HK$9.86 HK$8.96 HK$7.93 View Reel HK$6.16 HK$7.46 HK$7.16 HK$7.08 HK$6.16 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Factor Correction - PFC Digital combo multi-mode PFC and time-shift LLC resonant controller STNRG011ATR STMicroelectronics 1: HK$26.55 878In Stock	Mfr. Part No. STNRG011ATR Mouser Part No 511-STNRG011ATR	STMicroelectronics	Power Factor Correction - PFC Digital combo multi-mode PFC and time-shift LLC resonant controller Learn More about STMicroelectronics stm stnrg011 controller	Datasheet	878In Stock	Cut Tape HK$26.55 HK$21.21 HK$19.89 HK$18.41 HK$17.84 Reel HK$17.76 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Voltage References 1.24V to 18V Prog Shunt Ref 100uA 60mA TLVH431AIL5T STMicroelectronics 1: HK$2.55 6,478In Stock	Mfr. Part No. TLVH431AIL5T Mouser Part No 511-TLVH431AIL5T	STMicroelectronics	Voltage References 1.24V to 18V Prog Shunt Ref 100uA 60mA Learn More about STMicroelectronics stm standard products	Datasheet	6,478In Stock	Cut Tape HK$2.55 HK$1.78 HK$1.62 HK$1.44 View Reel HK$1.22 HK$1.36 HK$1.31 HK$1.27 HK$1.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Voltage References Hi thermal stability microPwr shunt Vltg TS824ILT-2.5 STMicroelectronics 1: HK$10.44 1,836In Stock	Mfr. Part No. TS824ILT-2.5 Mouser Part No 511-TS824ILT-2.5	STMicroelectronics	Voltage References Hi thermal stability microPwr shunt Vltg	Datasheet	1,836In Stock	Cut Tape HK$10.44 HK$7.55 HK$6.83 HK$6.04 View Reel HK$4.36 HK$5.66 HK$5.44 HK$5.27 HK$4.36 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current & Power Monitors & Regulators Voltage/Current Cont TSM101ACD STMicroelectronics 1: HK$11.59 1,958In Stock	Mfr. Part No. TSM101ACD Mouser Part No 511-TSM101ACD	STMicroelectronics	Current & Power Monitors & Regulators Voltage/Current Cont	Datasheet	1,958In Stock	HK$11.59 HK$8.47 HK$7.66 HK$6.80 View HK$6.31 HK$6.13 HK$5.90 HK$5.70 HK$5.56	Min.: 1 Mult.: 1
AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter VIPER38HE STMicroelectronics 1: HK$30.50 1,317In Stock	Mfr. Part No. VIPER38HE Mouser Part No 511-VIPER38HE	STMicroelectronics	AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter Learn More about STMicroelectronics stm viper38 high voltage converters	Datasheet	1,317In Stock	HK$30.50 HK$23.02 HK$19.97 HK$19.07 View HK$18.08 HK$17.43 HK$16.93 HK$16.28 HK$16.03	Min.: 1 Mult.: 1
LDO Voltage Regulators 5V 500mA low drop voltage regulator L4995AKTR STMicroelectronics 1: HK$16.03 948In Stock	Mfr. Part No. L4995AKTR Mouser Part No 511-L4995AKTR	STMicroelectronics	LDO Voltage Regulators 5V 500mA low drop voltage regulator	Datasheet	948In Stock	Cut Tape HK$16.03 HK$11.84 HK$10.77 HK$9.62 Reel HK$8.22 View HK$9.12 HK$8.80 HK$8.04 HK$7.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator LDL1117S12R STMicroelectronics 1: HK$3.37 4,718In Stock	Mfr. Part No. LDL1117S12R Mouser Part No 511-LDL1117S12R	STMicroelectronics	LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator Learn More about STMicroelectronics stm ldl1117 regulators	Datasheet	4,718In Stock	Cut Tape HK$3.37 HK$2.35 HK$2.10 HK$1.81 Reel HK$1.45 View HK$1.68 HK$1.59 HK$1.53 HK$1.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 150 mA - ultra low quiescent current linear voltage regulator STLQ015M15R STMicroelectronics 1: HK$4.19 3,974In Stock	Mfr. Part No. STLQ015M15R Mouser Part No 511-STLQ015M15R	STMicroelectronics	LDO Voltage Regulators 150 mA - ultra low quiescent current linear voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	3,974In Stock	Cut Tape HK$4.19 HK$2.95 HK$2.61 HK$2.26 View Reel HK$1.74 HK$2.10 HK$2.01 HK$1.91 HK$1.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits Dual/Triple Ultra- Low Voltage Super. STM6720TGWB6F STMicroelectronics 1: HK$19.97 2,475In Stock	Mfr. Part No. STM6720TGWB6F Mouser Part No 511-STM6720TGWB6F	STMicroelectronics	Supervisory Circuits Dual/Triple Ultra- Low Voltage Super.	Datasheet	2,475In Stock	Cut Tape HK$19.97 HK$14.80 HK$13.56 HK$12.17 Reel HK$10.19 View HK$11.43 HK$11.10 HK$10.77 HK$9.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Supervisory Circuits 3V Supervisor STM704SDS6F STMicroelectronics 1: HK$31.32 3,535In Stock	Mfr. Part No. STM704SDS6F Mouser Part No 511-STM704SDS6F	STMicroelectronics	Supervisory Circuits 3V Supervisor	Datasheet	3,535In Stock	Cut Tape HK$31.32 HK$23.34 HK$21.37 HK$19.15 View Reel HK$15.12 HK$18.08 HK$17.67 HK$16.77 HK$16.28 HK$15.12 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Supervisory Circuits 3.075V w/Batt Switch STM805TM6F STMicroelectronics 1: HK$21.29 2,474In Stock	Mfr. Part No. STM805TM6F Mouser Part No 511-STM805TM6F	STMicroelectronics	Supervisory Circuits 3.075V w/Batt Switch Learn More about STMicroelectronics stm standard products	Datasheet	2,474In Stock	Cut Tape HK$21.29 HK$15.78 HK$14.39 HK$12.91 Reel HK$11.01 View HK$12.17 HK$11.75 HK$11.34 HK$10.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Supervisory Circuits 2.63V Reset 140ms STM809RWX6F STMicroelectronics 1: HK$3.37 4,694In Stock 6,000On Order	Mfr. Part No. STM809RWX6F Mouser Part No 511-STM809RWX6F	STMicroelectronics	Supervisory Circuits 2.63V Reset 140ms Learn More about STMicroelectronics stm standard products	Datasheet	4,694In Stock 6,000On Order	Cut Tape HK$3.37 HK$2.48 HK$2.27 HK$2.03 View Reel HK$1.69 HK$1.92 HK$1.84 HK$1.78 HK$1.69 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert VIPER012HS STMicroelectronics 1: HK$20.14 984In Stock	Mfr. Part No. VIPER012HS Mouser Part No 511-VIPER012HS	STMicroelectronics	AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert Learn More about STMicroelectronics viper01 converters	Datasheet	984In Stock	HK$20.14 HK$14.96 HK$13.73 HK$12.25 View HK$11.59 HK$11.18 HK$10.85 HK$10.19 HK$9.95	Min.: 1 Mult.: 1
LDO Voltage Regulators Low drop voltage regulator L4993DTR STMicroelectronics 1: HK$12.58 1,441In Stock	Mfr. Part No. L4993DTR Mouser Part No 511-L4993DTR	STMicroelectronics	LDO Voltage Regulators Low drop voltage regulator	Datasheet	1,441In Stock	Cut Tape HK$12.58 HK$9.21 HK$8.38 HK$7.41 Reel HK$6.01 View HK$6.96 HK$6.70 HK$6.63 HK$5.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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