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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 Voltage Mode w/Sync SG3525AP STMicroelectronics 1: HK$29.10 3,919In Stock	Mfr. Part No. SG3525AP Mouser Part No 511-SG3525AP	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	3,919In Stock	HK$29.10 HK$21.78 HK$19.48 HK$18.00 View HK$17.02 HK$16.52 HK$15.78 HK$15.37 HK$14.39	Min.: 1 Mult.: 1
Supervisory Circuits 4 pin Smart Reset SR1HARU STMicroelectronics 1: HK$12.58 4,395In Stock	Mfr. Part No. SR1HARU Mouser Part No 511-SR1HARU	STMicroelectronics	Supervisory Circuits 4 pin Smart Reset	Datasheet	4,395In Stock	Cut Tape HK$12.58 HK$9.21 HK$8.38 HK$7.41 Reel HK$6.10 View HK$6.96 HK$6.69 HK$6.63 HK$5.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
LDO Voltage Regulators V LOW QUIESCENT BiCMOS VOLT REG ST1L05APU33R STMicroelectronics 1: HK$9.78 3,505In Stock	Mfr. Part No. ST1L05APU33R Mouser Part No 511-ST1L05APU33R	STMicroelectronics	LDO Voltage Regulators V LOW QUIESCENT BiCMOS VOLT REG Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	3,505In Stock	Cut Tape HK$9.78 HK$7.25 HK$6.62 HK$5.93 View Reel HK$5.01 HK$5.59 HK$5.39 HK$5.24 HK$5.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
LDO Voltage Regulators BiCMOS VOLT REG LOW QUIESCENT ST1L05BPUR STMicroelectronics 1: HK$9.95 7,457In Stock 9,000Expected 8/10/2027	Mfr. Part No. ST1L05BPUR Mouser Part No 511-ST1L05BPUR	STMicroelectronics	LDO Voltage Regulators BiCMOS VOLT REG LOW QUIESCENT Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	7,457In Stock 9,000Expected 8/10/2027	Cut Tape HK$9.95 HK$7.32 HK$6.67 HK$5.95 Reel HK$4.91 View HK$5.60 HK$5.38 HK$5.22 HK$4.82 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator ST1L08SPU33R STMicroelectronics 1: HK$8.30 3,676In Stock	Mfr. Part No. ST1L08SPU33R Mouser Part No 511-ST1L08SPU33R	STMicroelectronics	LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	3,676In Stock	Cut Tape HK$8.30 HK$5.98 HK$5.39 HK$4.75 Reel HK$3.84 View HK$4.45 HK$4.26 HK$4.14 HK$3.69 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec ST1PS01EJR STMicroelectronics 1: HK$16.77 5,702In Stock	Mfr. Part No. ST1PS01EJR Mouser Part No 511-ST1PS01EJR	STMicroelectronics	Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec Learn More about STMicroelectronics stm st1ps01 converter	Datasheet	5,702In Stock	Cut Tape HK$16.77 HK$12.41 HK$11.26 HK$10.11 View Reel HK$6.13 HK$9.54 HK$9.21 HK$7.66 HK$7.18 HK$6.13 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec ST1PS02CQTR STMicroelectronics 1: HK$13.56 3,698In Stock	Mfr. Part No. ST1PS02CQTR Mouser Part No 511-ST1PS02CQTR	STMicroelectronics	Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec Learn More about STMicroelectronics stm st1ps02 step down converter	Datasheet	3,698In Stock	Cut Tape HK$13.56 HK$9.86 HK$8.96 HK$7.97 View Reel HK$6.65 HK$7.48 HK$7.19 HK$7.10 HK$6.65 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Voltage Regulators Synch rectification inhibit 1.5A 1.5 ST1S06APUR STMicroelectronics 1: HK$9.95 3,418In Stock 12,000Expected 10/9/2027	Mfr. Part No. ST1S06APUR Mouser Part No 511-ST1S06APUR	STMicroelectronics	Switching Voltage Regulators Synch rectification inhibit 1.5A 1.5	Datasheet	3,418In Stock 12,000Expected 10/9/2027	Cut Tape HK$9.95 HK$7.30 HK$6.63 HK$5.87 View Reel HK$5.03 HK$5.68 HK$5.46 HK$5.29 HK$5.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Voltage Regulators STEP-DOWN SWITCH REG W/ENABLE 1.7MHZ ST1S12G12R STMicroelectronics 1: HK$9.29 2,938In Stock	Mfr. Part No. ST1S12G12R Mouser Part No 511-ST1S12G12R	STMicroelectronics	Switching Voltage Regulators STEP-DOWN SWITCH REG W/ENABLE 1.7MHZ	Datasheet	2,938In Stock	Cut Tape HK$9.29 HK$6.69 HK$6.03 HK$5.29 Reel HK$4.39 View HK$4.95 HK$4.74 HK$4.59 HK$4.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Voltage Regulators Up to 3A Step Down 3A DC 5.5-48V 850kHz ST1S14PHR STMicroelectronics 1: HK$18.00 5,291In Stock 75,000On Order	Mfr. Part No. ST1S14PHR Mouser Part No 511-ST1S14PHR	STMicroelectronics	Switching Voltage Regulators Up to 3A Step Down 3A DC 5.5-48V 850kHz	Datasheet	5,291In Stock 75,000On Order On Order Ship Dates Mfr. No: ST1S14PHR Stock: 5,291 Can Dispatch Immediately On Order: 7,500 Expected 30/11/2026 40,000 Expected 18/1/2027 27,500 Expected 30/4/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$18.00 HK$13.32 HK$12.17 HK$10.93 View Reel HK$9.70 HK$10.28 HK$9.95 HK$9.70 HK$9.70 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,800 : 2,500
Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz ST1S31PUR STMicroelectronics 1: HK$16.77 4,290In Stock	Mfr. Part No. ST1S31PUR Mouser Part No 511-ST1S31PUR	STMicroelectronics	Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz Learn More about STMicroelectronics stm st1s31 regulator	Datasheet	4,290In Stock	Cut Tape HK$16.77 HK$12.41 HK$11.26 HK$10.11 Reel HK$8.55 View HK$9.45 HK$9.12 HK$9.04 HK$8.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Voltage Regulators 4A DC 2.8V to 5.5V 0.8V 1.5MHz POR ST1S32PUR STMicroelectronics 1: HK$16.52 4,896In Stock	Mfr. Part No. ST1S32PUR Mouser Part No 511-ST1S32PUR	STMicroelectronics	Switching Voltage Regulators 4A DC 2.8V to 5.5V 0.8V 1.5MHz POR	Datasheet	4,896In Stock	Cut Tape HK$16.52 HK$12.58 HK$11.51 HK$10.28 View Reel HK$8.22 HK$9.70 HK$9.29 HK$8.96 HK$8.47 HK$8.22 MouseReel Available	Min.: 1 Mult.: 1 : 4,500
Switching Voltage Regulators 4A Peak Step-Down 4.0V to 18V 850 kHz ST1S40IPUR STMicroelectronics 1: HK$13.89 1,927In Stock 4,500Expected 18/6/2027	Mfr. Part No. ST1S40IPUR Mouser Part No 511-ST1S40IPUR	STMicroelectronics	Switching Voltage Regulators 4A Peak Step-Down 4.0V to 18V 850 kHz	Datasheet	1,927In Stock 4,500Expected 18/6/2027	Cut Tape HK$13.89 HK$10.19 HK$9.21 HK$8.15 View Reel HK$6.50 HK$7.66 HK$7.37 HK$7.27 HK$6.84 HK$6.50 MouseReel Available	Min.: 1 Mult.: 1 : 4,500
LDO Voltage Regulators High Input Volt 85 mA LDO REG ST715PUR STMicroelectronics 1: HK$6.33 7,301In Stock 18,000On Order	Mfr. Part No. ST715PUR Mouser Part No 511-ST715PUR	STMicroelectronics	LDO Voltage Regulators High Input Volt 85 mA LDO REG Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	7,301In Stock 18,000On Order On Order Ship Dates Mfr. No: ST715PUR Stock: 7,301 Can Dispatch Immediately On Order: 12,000 Expected 25/5/2027 6,000 Expected 28/6/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$6.33 HK$4.46 HK$4.01 HK$3.51 Reel HK$2.87 View HK$3.27 HK$3.13 HK$3.01 HK$2.79 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current ST730MR STMicroelectronics 1: HK$7.73 7,303In Stock	Mfr. Part No. ST730MR Mouser Part No 511-ST730MR	STMicroelectronics	LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current Learn More about STMicroelectronics stm st730 ldo voltage regulator	Datasheet	7,303In Stock	Cut Tape HK$7.73 HK$5.53 HK$4.99 HK$4.39 HK$4.10 Reel HK$4.10 MouseReel Available	Min.: 1 Mult.: 1 Max.: 450 : 3,000
Switching Voltage Regulators MicroPwr 1A DC DC converter sync ST8R00WPUR STMicroelectronics 1: HK$18.99 7,195In Stock	Mfr. Part No. ST8R00WPUR Mouser Part No 511-ST8R00WPUR	STMicroelectronics	Switching Voltage Regulators MicroPwr 1A DC DC converter sync	Datasheet	7,195In Stock	Cut Tape HK$18.99 HK$14.39 HK$13.23 HK$12.00 View Reel HK$10.19 HK$11.43 HK$11.10 HK$10.85 HK$10.44 HK$10.19 MouseReel Available	Min.: 1 Mult.: 1 : 4,500
Switching Voltage Regulators 1A High EFF DC DC 1.5MHz 2.0V to 5.5V STBB1-APUR STMicroelectronics 1: HK$22.11 7,476In Stock	Mfr. Part No. STBB1-APUR Mouser Part No 511-STBB1-APUR	STMicroelectronics	Switching Voltage Regulators 1A High EFF DC DC 1.5MHz 2.0V to 5.5V Learn More about STMicroelectronics stmstbb1	Datasheet	7,476In Stock	Cut Tape HK$22.11 HK$16.52 HK$15.12 HK$13.56 Reel HK$11.51 View HK$12.82 HK$12.49 HK$12.17 HK$11.26 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Voltage Regulators 800mA Hi eff dual md buck-bst DCDC cnvrtr STBB2JAD-R STMicroelectronics 1: HK$33.78 1,230In Stock	Mfr. Part No. STBB2JAD-R Mouser Part No 511-STBB2JAD-R	STMicroelectronics	Switching Voltage Regulators 800mA Hi eff dual md buck-bst DCDC cnvrtr	Datasheet	1,230In Stock	Cut Tape HK$33.78 HK$25.56 HK$24.00 HK$21.70 View Reel HK$17.67 HK$20.55 HK$20.47 HK$19.15 HK$17.67 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Battery Management STANDARD LINEAR BATT MNTR IC STC3100IQT STMicroelectronics 1: HK$35.67 4,895In Stock	Mfr. Part No. STC3100IQT Mouser Part No 511-STC3100IQT	STMicroelectronics	Battery Management STANDARD LINEAR BATT MNTR IC	Datasheet	4,895In Stock	Cut Tape HK$35.67 HK$27.04 HK$24.91 HK$22.52 View Reel HK$18.99 HK$21.37 HK$21.29 HK$20.71 HK$18.99 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Battery Management Gas gauge IC with battery charger control for handheld applications STC3117IJT STMicroelectronics 1: HK$14.55 1,791In Stock 5,000Expected 24/11/2026	Mfr. Part No. STC3117IJT Mouser Part No 511-STC3117IJT	STMicroelectronics	Battery Management Gas gauge IC with battery charger control for handheld applications	Datasheet	1,791In Stock 5,000Expected 24/11/2026	Cut Tape HK$14.55 HK$11.10 HK$10.11 HK$8.96 View Reel HK$7.13 HK$8.47 HK$8.05 HK$8.01 HK$7.13 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Battery Management 800mA Linear Li Ion batery chargr STC4054GR STMicroelectronics 1: HK$16.36 6,683In Stock	Mfr. Part No. STC4054GR Mouser Part No 511-STC4054GR	STMicroelectronics	Battery Management 800mA Linear Li Ion batery chargr	Datasheet	6,683In Stock	Cut Tape HK$16.36 HK$12.00 HK$10.85 HK$9.70 Reel HK$8.20 View HK$9.12 HK$8.80 HK$8.71 HK$8.02 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gate Drivers High voltage half-bridge gate driver for GaN transistors STDRIVEG600 STMicroelectronics 1: HK$43.48 511In Stock	Mfr. Part No. STDRIVEG600 Mouser Part No 511-STDRIVEG600	STMicroelectronics	Gate Drivers High voltage half-bridge gate driver for GaN transistors Learn More about STMicroelectronics stm stdriveg600 half bridge gate driver	Datasheet	511In Stock	HK$43.48 HK$33.78 HK$30.58 HK$28.52 View HK$28.19 HK$26.06	Min.: 1 Mult.: 1
Gate Drivers High voltage half-bridge gate driver for GaN transistors STDRIVEG600TR STMicroelectronics 1: HK$37.57 739In Stock 2,500Expected 6/7/2027	Mfr. Part No. STDRIVEG600TR Mouser Part No 511-STDRIVEG600TR	STMicroelectronics	Gate Drivers High voltage half-bridge gate driver for GaN transistors Learn More about STMicroelectronics stm stdriveg600 half bridge gate driver	Datasheet	739In Stock 2,500Expected 6/7/2027	Cut Tape HK$37.57 HK$28.52 HK$26.22 HK$23.76 View Reel HK$20.55 HK$22.61 HK$22.52 HK$21.78 HK$20.55 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Current & Power Monitors & Regulators 60A electronic fuse for 12V DC rail STEF12H60MAPUR STMicroelectronics 1: HK$34.36 2,667In Stock	Mfr. Part No. STEF12H60MAPUR Mouser Part No 511-STEF12H60MAPUR	STMicroelectronics	Current & Power Monitors & Regulators 60A electronic fuse for 12V DC rail Learn More about STMicroelectronics stm stef12h60m fuses	Datasheet	2,667In Stock	Cut Tape HK$34.36 HK$27.95 HK$26.30 HK$24.50 View Reel HK$23.02 HK$23.76 HK$23.43 HK$23.34 HK$23.02 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Current & Power Monitors & Regulators Electronic fuse for 12 V line STEF12PUR STMicroelectronics 1: HK$7.89 12,042In Stock	Mfr. Part No. STEF12PUR Mouser Part No 511-STEF12PUR	STMicroelectronics	Current & Power Monitors & Regulators Electronic fuse for 12 V line Learn More about STMicroelectronics STMSTEF0512	Datasheet	12,042In Stock	Cut Tape HK$7.89 HK$6.36 HK$5.84 HK$5.24 View Reel HK$4.13 HK$4.95 HK$4.74 HK$4.64 HK$4.13 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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