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LM139, LM239 & LM339 Quad Voltage Comparators

STMicroelectronics LM139, LM239, and LM339 Low-Power Quad Voltage Comparators consist of four independent precision-voltage comparators with an offset voltage specification as low as 2 mV. These Low-Power Quad Voltage Comparators have been designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible. STMicroelectronics' Low-Power Quad Voltage Comparators also have a unique characteristic in that the input common mode voltage range includes ground even though operated from a single power supply voltage.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HUF) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Number of Channels	Output Type	Response Time	Type	Supply Voltage - Min	Supply Voltage - Max	Operating Supply Current	Output Current per Channel	Vos - Input Offset Voltage	Ib - Input Bias Current	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Analog Comparators Low power quad voltage comparators LM139ADT STMicroelectronics 1: 434,04 Ft 3 841In Stock	Mfr. Part No. LM139ADT Mouser Part No 511-LM139ADT	STMicroelectronics	Analog Comparators Low power quad voltage comparators Learn More about STMicroelectronics stmlmx39	Datasheet	3 841In Stock	Cut Tape 434,04 Ft 314,32 Ft 283,21 Ft 250,30 Ft Reel 208,70 Ft View 234,38 Ft 225,34 Ft 214,85 Ft 203,64 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	SOP-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	2 mV	100 nA	- 55 C	+ 125 C	LM139	Reel, Cut Tape, MouseReel
Analog Comparators Low PWR Quad Volt 1.1 mA 25nA 250mV LM139DT STMicroelectronics 1: 408,72 Ft 6 726In Stock	Mfr. Part No. LM139DT Mouser Part No 511-LM139DT	STMicroelectronics	Analog Comparators Low PWR Quad Volt 1.1 mA 25nA 250mV Learn More about STMicroelectronics stmlmx39	Datasheet	6 726In Stock	Cut Tape 408,72 Ft 302,02 Ft 272,00 Ft 239,08 Ft View Reel 183,74 Ft 223,53 Ft 214,13 Ft 207,25 Ft 183,74 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	SOP-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	- 55 C	+ 125 C	LM139	Reel, Cut Tape, MouseReel
Analog Comparators Lo Pwr QUAD Vltg COMPARATOR LM339APT STMicroelectronics 1: 112,13 Ft 36 324In Stock	Mfr. Part No. LM339APT Mouser Part No 511-LM339APT	STMicroelectronics	Analog Comparators Lo Pwr QUAD Vltg COMPARATOR Learn More about STMicroelectronics stm standard products	Datasheet	36 324In Stock	Cut Tape 112,13 Ft 76,68 Ft 68,36 Ft 58,96 Ft View Reel 40,51 Ft 54,62 Ft 52,08 Ft 49,91 Ft 40,51 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	TSSOP-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	2 mV	100 nA	0 C	+ 70 C	LM339	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM339PT STMicroelectronics 1: 115,02 Ft 28 881In Stock	Mfr. Part No. LM339PT Mouser Part No 511-LM339P	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	28 881In Stock	Cut Tape 115,02 Ft 78,85 Ft 70,17 Ft 60,77 Ft View Reel 50,64 Ft 56,06 Ft 53,17 Ft 51,00 Ft 50,64 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	TSSOP-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	0 C	+ 70 C	LM339	Reel, Cut Tape, MouseReel
Analog Comparators Low Power QUAD 1.1 mA 25nA 250mV LM339QT STMicroelectronics 1: 152,28 Ft 23 500In Stock 81 000On Order	Mfr. Part No. LM339QT Mouser Part No 511-LM339QT	STMicroelectronics	Analog Comparators Low Power QUAD 1.1 mA 25nA 250mV Learn More about STMicroelectronics stm standard products	Datasheet	23 500In Stock 81 000On Order On Order Ship Dates Mfr. No: LM339QT Stock: 23 500 Can Dispatch Immediately On Order: 36 000 Expected 11/30/2026 45 000 Expected 11/8/2027 Factory Lead Time: 30 Weeks	Cut Tape 152,28 Ft 105,98 Ft 94,40 Ft 81,38 Ft Reel 65,47 Ft View 75,60 Ft 71,98 Ft 69,08 Ft 63,66 Ft MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	QFN-16	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	0 C	+ 70 C	LM339	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM239ADT STMicroelectronics 1: 127,68 Ft 5 410In Stock 12 500On Order	Mfr. Part No. LM239ADT Mouser Part No 511-LM239ADT	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	5 410In Stock 12 500On Order On Order Ship Dates Mfr. No: LM239ADT Stock: 5 410 Can Dispatch Immediately On Order: 5 000 Expected 11/19/2026 7 500 Expected 1/11/2027 Factory Lead Time: 30 Weeks	Cut Tape 127,68 Ft 90,06 Ft 80,66 Ft 69,45 Ft Reel 54,26 Ft View 65,11 Ft 62,57 Ft 59,68 Ft 53,17 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	2 mV	100 nA	- 40 C	+ 105 C	LM239	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM239APT STMicroelectronics 1: 149,38 Ft 4 190In Stock 5 000Expected 11/19/2026	Mfr. Part No. LM239APT Mouser Part No 511-LM239AP	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	4 190In Stock 5 000Expected 11/19/2026	Cut Tape 149,38 Ft 105,62 Ft 94,40 Ft 81,74 Ft Reel 66,19 Ft View 75,96 Ft 73,79 Ft 70,17 Ft 61,85 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	TSSOP-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	2 mV	100 nA	- 40 C	+ 105 C	LM239	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM239D STMicroelectronics 1: 189,89 Ft 5 126In Stock	Mfr. Part No. LM239D Mouser Part No 511-LM239D	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	5 126In Stock	189,89 Ft 134,91 Ft 134,55 Ft 116,83 Ft 76,32 Ft	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	- 25 C	+ 85 C	LM239	Tube
Analog Comparators Lo-Pwr Quad Voltage LM239DT STMicroelectronics 1: 189,89 Ft 1 368In Stock 5 000Expected 7/19/2027	Mfr. Part No. LM239DT Mouser Part No 511-LM239DT	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stmlmx39	Datasheet	1 368In Stock 5 000Expected 7/19/2027	Cut Tape 189,89 Ft 134,55 Ft 120,81 Ft 105,25 Ft View Reel 85,72 Ft 97,66 Ft 93,32 Ft 89,70 Ft 85,72 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	- 40 C	+ 105 C	LM239	Reel, Cut Tape, MouseReel
Analog Comparators LP Quad 2mV 1.1mA 25nA 4 Precision LM239QT STMicroelectronics 1: 198,94 Ft 21In Stock 108 000On Order	Mfr. Part No. LM239QT Mouser Part No 511-LM239QT	STMicroelectronics	Analog Comparators LP Quad 2mV 1.1mA 25nA 4 Precision Learn More about STMicroelectronics stm standard products	Datasheet	21In Stock 108 000On Order On Order Ship Dates Mfr. No: LM239QT Stock: 21 Can Dispatch Immediately On Order: 27 000 Expected 11/19/2026 42 000 Expected 5/12/2027 39 000 Expected 11/15/2027 Factory Lead Time: 30 Weeks	Cut Tape 198,94 Ft 138,17 Ft 124,79 Ft 108,15 Ft View Reel 85,72 Ft 100,55 Ft 95,85 Ft 92,23 Ft 85,72 Ft MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	QFN-16	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	- 40 C	+ 105 C	LM239	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM339ADT STMicroelectronics 1: 115,02 Ft 9 500In Stock 7 500Expected 3/22/2027	Mfr. Part No. LM339ADT Mouser Part No 511-LM339ADT	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	9 500In Stock 7 500Expected 3/22/2027	Cut Tape 115,02 Ft 79,21 Ft 70,53 Ft 61,13 Ft Reel 49,19 Ft View 56,43 Ft 53,89 Ft 51,36 Ft 47,74 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	2 mV	100 nA	0 C	+ 70 C	LM339	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM339DT STMicroelectronics 1: 87,17 Ft 11 654In Stock 47 500Expected 1/18/2027	Mfr. Part No. LM339DT Mouser Part No 511-LM339DT	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stmlmx39	Datasheet	11 654In Stock 47 500Expected 1/18/2027	Cut Tape 87,17 Ft 61,13 Ft 54,26 Ft 46,30 Ft Reel 34,36 Ft View 42,68 Ft 40,51 Ft 37,98 Ft 32,91 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	0 C	+ 70 C	LM339	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM339D STMicroelectronics 1: 149,38 Ft 5In Stock 13 000On Order	Mfr. Part No. LM339D Mouser Part No 511-LM339D	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	5In Stock 13 000On Order On Order Ship Dates Mfr. No: LM339D Stock: 5 Can Dispatch Immediately On Order: 9 000 Expected 11/30/2026 4 000 Expected 12/14/2026 Factory Lead Time: 30 Weeks	149,38 Ft 108,15 Ft 100,55 Ft 90,43 Ft View 85,00 Ft 82,11 Ft 76,32 Ft	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	0 C	+ 70 C	LM339	Tube
Analog Comparators Lo-Pwr Quad Voltage LM239PT STMicroelectronics 1: 143,23 Ft 9 850On Order	Mfr. Part No. LM239PT Mouser Part No 511-LM239P	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	9 850On Order On Order Ship Dates Mfr. No: LM239PT Stock: 0 On Order: 4 850 Expected 12/14/2026 5 000 Expected 4/26/2027 Factory Lead Time: 30 Weeks	Cut Tape 143,23 Ft 99,11 Ft 88,25 Ft 76,32 Ft View Reel 60,40 Ft 70,53 Ft 66,91 Ft 64,02 Ft 60,40 Ft MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	TSSOP-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	5 mV	250 nA	- 40 C	+ 105 C	LM239	Reel, Cut Tape, MouseReel
Analog Comparators Lo-Pwr Quad Voltage LM339AD STMicroelectronics 1: 177,23 Ft 4 972On Order	Mfr. Part No. LM339AD Mouser Part No 511-LM339AD	STMicroelectronics	Analog Comparators Lo-Pwr Quad Voltage Learn More about STMicroelectronics stm standard products	Datasheet	4 972On Order On Order Ship Dates Mfr. No: LM339AD Stock: 0 On Order: 972 Expected 12/14/2026 4 000 Expected 2/10/2027 Factory Lead Time: 30 Weeks	177,23 Ft 122,25 Ft 109,23 Ft 94,77 Ft View 87,89 Ft 83,91 Ft 77,04 Ft 73,79 Ft 72,34 Ft	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	4 Channel	CMOS, DTL, ECL, MOS, TTL	1.3 us	Differential	2 V	32 V	2 mA	4 mA	2 mV	100 nA	0 C	+ 70 C	LM339	Tube

LM139, LM239 & LM339 Quad Voltage Comparators

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LM139, LM239 & LM339 Quad Voltage Comparators

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