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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.
LDO Voltage Regulators 3.3V 0.25A Positive L4931CD33-TR STMicroelectronics 1: HK$11.34 4,337In Stock	Mfr. Part No. L4931CD33-TR Mouser Part No 511-L4931CD33-TR	STMicroelectronics	LDO Voltage Regulators 3.3V 0.25A Positive Learn More about STMicroelectronics stm standard products	Datasheet	4,337In Stock	Cut Tape HK$11.34 HK$8.30 HK$7.46 HK$6.60 Reel HK$5.54 View HK$6.20 HK$5.95 HK$5.86 HK$5.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 5.0V 0.25A Positive L4931CD50-TR STMicroelectronics 1: HK$10.19 7,114In Stock	Mfr. Part No. L4931CD50-TR Mouser Part No 511-L4931CD50-TR	STMicroelectronics	LDO Voltage Regulators 5.0V 0.25A Positive Learn More about STMicroelectronics stm standard products	Datasheet	7,114In Stock	Cut Tape HK$10.19 HK$7.54 HK$6.87 HK$6.15 Reel HK$5.22 View HK$5.80 HK$5.59 HK$5.43 HK$5.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators 1.5A Regulator Lo Drop L4940D2T12-TR STMicroelectronics 1: HK$18.91 2,785In Stock	Mfr. Part No. L4940D2T12-TR Mouser Part No 511-L4940D2T12-TR	STMicroelectronics	LDO Voltage Regulators 1.5A Regulator Lo Drop Learn More about STMicroelectronics stm standard products	Datasheet	2,785In Stock	Cut Tape HK$18.91 HK$13.97 HK$12.74 HK$11.43 Reel HK$9.45 View HK$10.77 HK$10.44 HK$9.37 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LDO Voltage Regulators 5.0V 1.5A Positive L4940D2T5-TR STMicroelectronics 1: HK$18.41 2,613In Stock 2,000Expected 17/6/2027	Mfr. Part No. L4940D2T5-TR Mouser Part No 511-L4940D2T5-TR	STMicroelectronics	LDO Voltage Regulators 5.0V 1.5A Positive Learn More about STMicroelectronics stm standard products	Datasheet	2,613In Stock 2,000Expected 17/6/2027	Cut Tape HK$18.41 HK$13.65 HK$12.41 HK$11.10 Reel HK$9.62 View HK$10.52 HK$10.19 HK$9.37 HK$8.71 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LDO Voltage Regulators 5.0V 1.5A Positive L4940V5 STMicroelectronics 1: HK$20.55 2,362In Stock	Mfr. Part No. L4940V5 Mouser Part No 511-L4940V5	STMicroelectronics	LDO Voltage Regulators 5.0V 1.5A Positive Learn More about STMicroelectronics stm standard products	Datasheet	2,362In Stock	HK$20.55 HK$15.21 HK$13.23 HK$12.25 View HK$11.59 HK$11.18 HK$10.28 HK$10.19	Min.: 1 Mult.: 1
LDO Voltage Regulators 5.0V 1.0A Positive L4941BDT-TR STMicroelectronics 1: HK$13.48 3,797In Stock	Mfr. Part No. L4941BDT-TR Mouser Part No 511-L4941BDT-TR	STMicroelectronics	LDO Voltage Regulators 5.0V 1.0A Positive Learn More about STMicroelectronics stm standard products	Datasheet	3,797In Stock	Cut Tape HK$13.48 HK$10.28 HK$9.12 HK$8.10 View Reel HK$6.19 HK$7.62 HK$7.33 HK$7.30 HK$6.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 3.3 to 50V Step-Down L4971 STMicroelectronics 1: HK$26.22 1,539In Stock 4,000On Order	Mfr. Part No. L4971 Mouser Part No 511-L4971	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down Learn More about STMicroelectronics stm l4971 regulators	Datasheet	1,539In Stock 4,000On Order	HK$26.22 HK$20.06 HK$18.08 HK$16.77 View HK$16.36 HK$13.73 HK$13.40	Min.: 1 Mult.: 1
Switching Voltage Regulators 3.3 to 50V Step-Down L4971D STMicroelectronics 1: HK$46.20 776In Stock	Mfr. Part No. L4971D Mouser Part No 511-L4971D	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down Learn More about STMicroelectronics stm l4971 regulators	Datasheet	776In Stock	HK$46.20 HK$35.26 HK$31.32 HK$29.18 View HK$27.95 HK$27.13 HK$26.72 HK$24.91 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 3.3 to 50V Step-Down L4971D013TR STMicroelectronics 1: HK$32.55 852In Stock 1,000Expected 4/6/2027	Mfr. Part No. L4971D013TR Mouser Part No 511-L4971D013TR	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down Learn More about STMicroelectronics stm l4971 regulators	Datasheet	852In Stock 1,000Expected 4/6/2027	Cut Tape HK$32.55 HK$24.33 HK$22.36 HK$20.06 View Reel HK$17.02 HK$18.99 HK$18.74 HK$17.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Switching Voltage Regulators 3.3V 3.5A Step-Down L4973D3.3-013TR STMicroelectronics 1: HK$41.35 1,319In Stock 2,000Expected 2/7/2027	Mfr. Part No. L4973D3.3-013TR Mouser Part No 511-L4973D3.3-013TR	STMicroelectronics	Switching Voltage Regulators 3.3V 3.5A Step-Down	Datasheet	1,319In Stock 2,000Expected 2/7/2027	Cut Tape HK$41.35 HK$31.32 HK$28.77 HK$26.06 Reel HK$26.06 MouseReel Available	Min.: 1 Mult.: 1 Max.: 110 : 1,000
Switching Voltage Regulators 5.1V 3.5A Step-Down L4973D5.1-013TR STMicroelectronics 1: HK$49.65 1,038In Stock	Mfr. Part No. L4973D5.1-013TR Mouser Part No 511-L4973D5.1-013TR	STMicroelectronics	Switching Voltage Regulators 5.1V 3.5A Step-Down	Datasheet	1,038In Stock	Cut Tape HK$49.65 HK$37.98 HK$35.02 HK$31.81 Reel HK$28.69 View HK$30.41 HK$29.92 HK$28.28 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Switching Voltage Regulators 3.3 to 50V Step-Down L4976D013TR STMicroelectronics 1: HK$46.69 1,871In Stock	Mfr. Part No. L4976D013TR Mouser Part No 511-L4976D013TR	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down	Datasheet	1,871In Stock	Cut Tape HK$46.69 HK$35.67 HK$32.88 HK$29.84 Reel HK$26.88 View HK$28.44 HK$28.03 HK$25.89 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Switching Voltage Regulators 3.3 to 50V Step-Down L4978 STMicroelectronics 1: HK$35.02 612In Stock	Mfr. Part No. L4978 Mouser Part No 511-L4978	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down	Datasheet	612In Stock	HK$35.02 HK$26.55 HK$23.10 HK$22.11 View HK$20.96 HK$20.30 HK$19.65 HK$18.41	Min.: 1 Mult.: 1
Switching Voltage Regulators 3.3 to 50V Step-Down L4978D STMicroelectronics 1: HK$35.02 932In Stock	Mfr. Part No. L4978D Mouser Part No 511-L4978D	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down	Datasheet	932In Stock	HK$35.02 HK$26.55 HK$23.18 HK$21.54 View HK$20.80 HK$20.22 HK$19.32 HK$18.66 HK$18.50	Min.: 1 Mult.: 1
Switching Voltage Regulators 3.3 to 50V Step-Down L4978D013TR STMicroelectronics 1: HK$32.63 2,825In Stock 18,000On Order	Mfr. Part No. L4978D013TR Mouser Part No 511-L4978D013TR	STMicroelectronics	Switching Voltage Regulators 3.3 to 50V Step-Down	Datasheet	2,825In Stock 18,000On Order On Order Ship Dates Mfr. No: L4978D013TR Stock: 2,825 Can Dispatch Immediately On Order: 4,000 Expected 11/1/2027 4,000 Expected 14/5/2027 10,000 Expected 10/9/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$32.63 HK$24.66 HK$22.61 HK$20.47 Reel HK$18.50 View HK$19.40 HK$19.23 HK$17.76 HK$17.10 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Factor Correction - PFC Very High Power L4981BD013TR STMicroelectronics 1: HK$26.39 5,945In Stock	Mfr. Part No. L4981BD013TR Mouser Part No 511-L4981BD013TR	STMicroelectronics	Power Factor Correction - PFC Very High Power	Datasheet	5,945In Stock	Cut Tape HK$26.39 HK$19.81 HK$18.17 HK$16.36 Reel HK$14.39 View HK$15.45 HK$15.21 HK$13.89 HK$13.65 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LDO Voltage Regulators 5V LDO 500mV Vdp 150mA 5.6V to 40V L5150BNTR STMicroelectronics 1: HK$8.71 6,995In Stock 49,000On Order	Mfr. Part No. L5150BNTR Mouser Part No 511-L5150BNTR	STMicroelectronics	LDO Voltage Regulators 5V LDO 500mV Vdp 150mA 5.6V to 40V	Datasheet	6,995In Stock 49,000On Order	Cut Tape HK$8.71 HK$6.31 HK$5.69 HK$5.00 View Reel HK$4.32 HK$4.68 HK$4.48 HK$4.32 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 1,000
LDO Voltage Regulators 5V LDVR w/MPU 60uA 10uA 300mA L5300AH7TR STMicroelectronics 1: HK$21.37 1,984In Stock	Mfr. Part No. L5300AH7TR Mouser Part No 511-L5300AH7TR	STMicroelectronics	LDO Voltage Regulators 5V LDVR w/MPU 60uA 10uA 300mA	Datasheet	1,984In Stock	Cut Tape HK$21.37 HK$15.95 HK$14.55 HK$13.07 Reel HK$11.10 View HK$12.33 HK$10.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 1.2 to 35V Step-Down L5970D STMicroelectronics 1: HK$22.69 2,390In Stock	Mfr. Part No. L5970D Mouser Part No 511-L5970D	STMicroelectronics	Switching Voltage Regulators 1.2 to 35V Step-Down	Datasheet	2,390In Stock	HK$22.69 HK$16.52 HK$15.12 HK$13.65 View HK$12.82 HK$12.49 HK$12.17 HK$11.10 HK$11.01	Min.: 1 Mult.: 1
Switching Voltage Regulators 1.2 to 35V Step-Down L5970D013TR STMicroelectronics 1: HK$20.47 1,587In Stock 5,000Expected 11/6/2027	Mfr. Part No. L5970D013TR Mouser Part No 511-L5970D013TR	STMicroelectronics	Switching Voltage Regulators 1.2 to 35V Step-Down	Datasheet	1,587In Stock 5,000Expected 11/6/2027	Cut Tape HK$20.47 HK$15.29 HK$13.97 HK$12.49 Reel HK$10.44 View HK$11.84 HK$11.51 HK$11.18 HK$10.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 1.235 to 35V Step-Dn L5972D013TR STMicroelectronics 1: HK$16.44 3,207In Stock 2,500Expected 20/9/2027	Mfr. Part No. L5972D013TR Mouser Part No 511-L5972D013TR	STMicroelectronics	Switching Voltage Regulators 1.235 to 35V Step-Dn	Datasheet	3,207In Stock 2,500Expected 20/9/2027	Cut Tape HK$16.44 HK$12.41 HK$11.34 HK$10.11 Reel HK$8.55 View HK$9.54 HK$9.21 HK$8.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 1.235 to 35V Step-Dn L5973AD STMicroelectronics 1: HK$24.99 6,461In Stock	Mfr. Part No. L5973AD Mouser Part No 511-L5973AD	STMicroelectronics	Switching Voltage Regulators 1.235 to 35V Step-Dn	Datasheet	6,461In Stock	HK$24.99 HK$16.36 HK$15.37 HK$14.14 View HK$13.48 HK$13.32 HK$12.82 HK$12.41 HK$12.08	Min.: 1 Mult.: 1
Switching Voltage Regulators 1.235 to 35V Step-Dn L5973D STMicroelectronics 1: HK$21.37 9,274In Stock	Mfr. Part No. L5973D Mouser Part No 511-L5973D	STMicroelectronics	Switching Voltage Regulators 1.235 to 35V Step-Dn	Datasheet	9,274In Stock	HK$21.37 HK$15.78 HK$14.47 HK$12.99 View HK$12.25 HK$11.84 HK$11.34 HK$10.93 HK$10.77	Min.: 1 Mult.: 1
Switching Voltage Regulators 2.5 A Step-DN Switching Reg L5973D013TR STMicroelectronics 1: HK$20.63 7,488In Stock 2,500Expected 18/12/2026	Mfr. Part No. L5973D013TR Mouser Part No 511-L5973D013TR	STMicroelectronics	Switching Voltage Regulators 2.5 A Step-DN Switching Reg	Datasheet	7,488In Stock 2,500Expected 18/12/2026	Cut Tape HK$20.63 HK$15.37 HK$14.06 HK$12.58 Reel HK$10.69 View HK$11.92 HK$11.51 HK$11.26 HK$10.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators Step-down switch regulator, 3A L5987ATR STMicroelectronics 1: HK$23.92 3,079In Stock	Mfr. Part No. L5987ATR Mouser Part No 511-L5987ATR	STMicroelectronics	Switching Voltage Regulators Step-down switch regulator, 3A Learn More about STMicroelectronics stm l5987 regulators	Datasheet	3,079In Stock	Cut Tape HK$23.92 HK$17.92 HK$16.44 HK$14.71 Reel HK$12.58 View HK$13.97 HK$13.65 HK$13.32 HK$12.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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