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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Configuration	Transistor Polarity	Collector- Emitter Voltage VCEO Max	Maximum DC Collector Current	Mounting Style	Package/Case	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Darlington Transistors Eight NPN Array ULQ2801A STMicroelectronics 1: HK$47.76 754In Stock	Mfr. Part No. ULQ2801A Mouser Part No 511-ULQ2801A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	754In Stock	HK$47.76 HK$31.89 HK$22.85 HK$18.99 View HK$17.67 HK$16.93 HK$16.85	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 40 C	+ 105 C	ULQ2801	Tube
	Darlington Transistors Eight NPN Array ULN2804A STMicroelectronics 1: HK$27.04 6,481In Stock 13,000On Order	Mfr. Part No. ULN2804A Mouser Part No 511-ULN2804A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	6,481In Stock 13,000On Order On Order Ship Dates Mfr. No: ULN2804A Stock: 6,481 Can Dispatch Immediately On Order: 1,000 Expected 5/10/2026 12,000 Expected 26/10/2026 Factory Lead Time: 30 Weeks	HK$27.04 HK$14.71 HK$11.26 HK$10.69 View HK$10.11 HK$9.62 HK$9.12 HK$8.55	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 20 C	+ 85 C	ULN2804A	Tube
	Darlington Transistors Eight NPN Array ULQ2803A STMicroelectronics 1: HK$26.63 4,737In Stock 4,000Expected 14/6/2027	Mfr. Part No. ULQ2803A Mouser Part No 511-ULQ2803A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	4,737In Stock 4,000Expected 14/6/2027	HK$26.63 HK$15.95 HK$12.49 HK$10.11 View HK$9.37 HK$9.21 HK$8.38	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 40 C	+ 105 C	ULQ2803	Tube
	Darlington Transistors Eight NPN Array ULN2801A STMicroelectronics 1: HK$47.76 570In Stock	Mfr. Part No. ULN2801A Mouser Part No 511-ULN2801A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	570In Stock	HK$47.76 HK$30.09 HK$23.26 HK$19.48 View HK$18.08 HK$16.28 HK$15.45	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 20 C	+ 85 C	ULN2801A	Tube
	Darlington Transistors Eight NPN Array ULQ2804A STMicroelectronics 1: HK$41.35 73In Stock 1,000Expected 26/10/2026	Mfr. Part No. ULQ2804A Mouser Part No 511-ULQ2804A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	73In Stock 1,000Expected 26/10/2026	HK$41.35 HK$24.50 HK$19.48 HK$16.11 View HK$14.96 HK$13.97	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 40 C	+ 105 C	ULQ2804	Tube
	Darlington Transistors Eight NPN Array ULN2803A STMicroelectronics 1: HK$23.67 71,635On Order	Mfr. Part No. ULN2803A Mouser Part No 511-ULN2803A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	71,635On Order On Order Ship Dates Mfr. No: ULN2803A Stock: 0 On Order: 28,715 Expected 27/11/2026 42,920 Expected 4/5/2027 Factory Lead Time: 30 Weeks	HK$23.67 HK$14.63 HK$11.26 HK$9.12 View HK$8.55 HK$8.19 HK$7.60	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 20 C	+ 85 C	ULN2803A	Tube
	Darlington Transistors Eight NPN Array ULN2802A STMicroelectronics 1: HK$42.74 2,849On Order	Mfr. Part No. ULN2802A Mouser Part No 511-ULN2802A	STMicroelectronics	Darlington Transistors Eight NPN Array Learn More about STMicroelectronics stm darlingtondevices	Datasheet	2,849On Order On Order Ship Dates Mfr. No: ULN2802A Stock: 0 On Order: 849 Expected 19/10/2026 2,000 TBD Factory Lead Time: 30 Weeks	HK$42.74 HK$26.72 HK$19.40 HK$16.77 View HK$15.12 HK$14.55 HK$14.14	Min.: 1 Mult.: 1			Octal	NPN	50 V	500 mA	Through Hole	PDIP-18	- 20 C	+ 85 C	ULN2802A	Tube