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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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
STMicroelectronics Analog Comparators Lo Pwr QUAD Vltg COMPARATOR
Datasheet
42,845In Stock
Cut Tape
NT$12.91
NT$8.85
NT$7.89
NT$6.81
Reel
NT$4.80
View
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

STMicroelectronics Analog Comparators Low power quad voltage comparators
Datasheet
3,901In Stock
Cut Tape
NT$49.83
NT$36.21
NT$32.62
NT$28.86
Reel
NT$24.06
View
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
21,006In Stock
47,500Expected 1/18/2027
Cut Tape
NT$10.40
NT$7.28
NT$6.42
NT$5.45
Reel
NT$4.23
View
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
31,961In Stock
Cut Tape
NT$13.26
NT$9.07
NT$8.07
NT$6.99
View
Reel
NT$5.56
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
STMicroelectronics Analog Comparators Low PWR Quad Volt 1.1 mA 25nA 250mV
Datasheet
2,037In Stock
4,800Expected 10/29/2026
Cut Tape
NT$59.87
NT$44.10
NT$40.15
NT$35.49
View
Reel
NT$19.83
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
5,420In Stock
12,500On Order
Cut Tape
NT$15.77
NT$10.93
NT$9.75
NT$8.53
View
Reel
NT$6.31
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
4,190In Stock
5,000Expected 11/25/2026
Cut Tape
NT$17.21
NT$12.19
NT$10.90
NT$9.43
Reel
NT$7.64
View
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
3,646In Stock
2,000Expected 11/9/2026
NT$21.87
NT$15.56
NT$15.52
NT$13.48
View
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
4,452In Stock
Cut Tape
NT$21.87
NT$15.52
NT$13.91
NT$12.12
View
Reel
NT$9.86
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
2,950In Stock
5,000Expected 12/14/2026
Cut Tape
NT$16.49
NT$11.44
NT$10.18
NT$8.78
Reel
NT$6.95
View
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
STMicroelectronics Analog Comparators LP Quad 2mV 1.1mA 25nA 4 Precision
Datasheet
1,301In Stock
69,000On Order
Cut Tape
NT$20.79
NT$14.91
NT$13.41
NT$11.79
View
Reel
NT$9.97
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
4,247In Stock
4,000Expected 11/17/2026
NT$17.21
NT$12.48
NT$11.65
NT$10.43
View
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
STMicroelectronics Analog Comparators Low Power QUAD 1.1 mA 25nA 250mV
Datasheet
250In Stock
131,500On Order
Cut Tape
NT$17.21
NT$11.97
NT$10.68
NT$9.61
View
Reel
NT$7.85
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
17,500On Order
Cut Tape
NT$12.91
NT$8.96
NT$7.99
NT$6.88
View
Reel
NT$5.52
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
STMicroelectronics Analog Comparators Lo-Pwr Quad Voltage
Datasheet
4,972On Order
NT$20.43
NT$14.09
NT$12.58
NT$10.93
View
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