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TL331/TL331B/TL391B/TL331B-Q1 Single Comparators

Texas Instruments TL331/TL331B/TL391B/TL331B-Q1 Single Comparators provide outstanding value for cost-sensitive applications. These device's features include lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current. The TL331/TL331B/TL391B/TL331B-Q1 also includes lower propagation delay, wider temperature range, and improved 2kV ESD performance with drop-in replacement convenience. The Texas Instruments TL331B is a drop-in improved replacement for the TL331I and TL331K versions. The TL391B provides an alternate pinout of the TL331B to replace competitive devices.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PLN) 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	Comparator 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 Sgl Diff COMPARATOR A 595-TL331KDBVR A 5 A 595-TL331KDBVR TL331KDBVT Texas Instruments 1: 5,98 zł 49 219In Stock	Mfr. Part No. TL331KDBVT Mouser Part No 595-TL331KDBVT	Texas Instruments	Analog Comparators Sgl Diff COMPARATOR A 595-TL331KDBVR A 5 A 595-TL331KDBVR Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	49 219In Stock	Cut Tape 5,98 zł 4,39 zł 3,97 zł 3,53 zł Reel 2,97 zł View 2,87 zł 2,82 zł 2,78 zł 2,69 zł MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	700 uA		5 mV	250 nA	- 40 C	+ 105 C	TL331	Reel, Cut Tape, MouseReel
Analog Comparators Automotive single di fferential comparat TL331EDBVRQ1 Texas Instruments 1: 3,78 zł 3 308In Stock New Product	Mfr. Part No. TL331EDBVRQ1 Mouser Part No 595-TL331EDBVRQ1 New Product	Texas Instruments	Analog Comparators Automotive single di fferential comparat Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	3 308In Stock	Cut Tape 3,78 zł 2,71 zł 2,45 zł 2,15 zł View Reel 1,87 zł 2,02 zł 1,93 zł 1,87 zł 1,87 zł	Min.: 1 Mult.: 1 Max.: 1 001 : 3 000	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1.3 us	General Purpose	2 V	36 V	700 uA		9 mV	250 nA	- 40 C	+ 150 C	TL331	Reel, Cut Tape
Analog Comparators AC Sgl Diff Comp- ar ator TL331QDBVRQ1 Texas Instruments 1: 2,20 zł 9 059In Stock 27 000Expected 10/22/2026	Mfr. Part No. TL331QDBVRQ1 Mouser Part No 595-TL331QDBVRQ1	Texas Instruments	Analog Comparators AC Sgl Diff Comp- ar ator Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	9 059In Stock 27 000Expected 10/22/2026	Cut Tape 2,20 zł 1,55 zł 1,39 zł 1,21 zł Reel 0,977 zł View 1,12 zł 1,07 zł 1,03 zł 0,95 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	CMOS, TTL		Differential	2 V	36 V	700 uA		2.5 mV	25 nA	- 40 C	+ 125 C	TL331	Reel, Cut Tape, MouseReel
Analog Comparators Sgl Diff COMPARATOR A 595-TL331KDBVT A 5 A 595-TL331KDBVT TL331KDBVR Texas Instruments 1: 1,89 zł 21 067In Stock 24 000Expected 5/3/2027	Mfr. Part No. TL331KDBVR Mouser Part No 595-TL331KDBVR	Texas Instruments	Analog Comparators Sgl Diff COMPARATOR A 595-TL331KDBVT A 5 A 595-TL331KDBVT Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	21 067In Stock 24 000Expected 5/3/2027	Cut Tape 1,89 zł 1,32 zł 1,17 zł 1,01 zł Reel 0,801 zł View 0,933 zł 0,889 zł 0,854 zł 0,779 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	700 uA		5 mV	250 nA	- 40 C	+ 105 C	TL331	Reel, Cut Tape, MouseReel
Analog Comparators Automotive grade 36 -V single comparato TL391BQDBVRQ1 Texas Instruments 1: 2,35 zł 5 198In Stock	Mfr. Part No. TL391BQDBVRQ1 Mouser Part No 595-TL391BQDBVRQ1	Texas Instruments	Analog Comparators Automotive grade 36 -V single comparato Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	5 198In Stock	Cut Tape 2,35 zł 1,64 zł 1,46 zł 1,27 zł View Reel 1,03 zł 1,18 zł 1,12 zł 1,08 zł 1,03 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	CMOS, TTL	1 us	General Purpose	2 V	36 V	210 uA		2.5 mV	25 nA	- 40 C	+ 125 C	TL391B	Reel, Cut Tape, MouseReel
Analog Comparators Single Differential Comparator A 595-TL3 A 595-TL331IDBVR TL331IDBVT Texas Instruments 1: 5,98 zł 566In Stock	Mfr. Part No. TL331IDBVT Mouser Part No 595-TL331IDBVT	Texas Instruments	Analog Comparators Single Differential Comparator A 595-TL3 A 595-TL331IDBVR Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	566In Stock	Cut Tape 5,98 zł 4,39 zł 3,97 zł 3,53 zł Reel 3,28 zł View 3,12 zł 3,01 zł 2,96 zł 2,95 zł MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	700 uA		5 mV	250 nA	- 40 C	+ 85 C	TL331	Reel, Cut Tape, MouseReel
Analog Comparators Automotive grade 36 -V single comparato TL331BQDBVRQ1 Texas Instruments 1: 2,65 zł 3 430In Stock 15 000Expected 2/25/2027	Mfr. Part No. TL331BQDBVRQ1 Mouser Part No 595-TL331BQDBVRQ1	Texas Instruments	Analog Comparators Automotive grade 36 -V single comparato Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	3 430In Stock 15 000Expected 2/25/2027	Cut Tape 2,65 zł 1,89 zł 1,70 zł 1,49 zł View Reel 1,24 zł 1,39 zł 1,32 zł 1,27 zł 1,24 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	CMOS, TTL	1 us	General Purpose	2 V	36 V	275 uA	18 mA	2.5 mV	25 nA	- 40 C	+ 125 C	TL331B	Reel, Cut Tape, MouseReel
Analog Comparators Single/Dual Diff A 5 95-TL331IDBVT A 595 A 595-TL331IDBVT TL331IDBVR Texas Instruments 1: 1,70 zł 776In Stock 147 000On Order	Mfr. Part No. TL331IDBVR Mouser Part No 595-TL331IDBVR	Texas Instruments	Analog Comparators Single/Dual Diff A 5 95-TL331IDBVT A 595 A 595-TL331IDBVT Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	776In Stock 147 000On Order On Order Ship Dates Mfr. No: TL331IDBVR Stock: 776 Can Dispatch Immediately On Order: 87 000 Expected 11/12/2026 60 000 Expected 11/16/2026 Factory Lead Time: 20 Weeks	Cut Tape 1,70 zł 1,17 zł 1,05 zł 0,906 zł Reel 0,726 zł View 0,845 zł 0,801 zł 0,77 zł 0,704 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	700 uA		5 mV	250 nA	- 40 C	+ 85 C	TL331	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Sgl Diff Co mparator TL331IDBVRQ1 Texas Instruments 1: 2,20 zł 2 634In Stock	Mfr. Part No. TL331IDBVRQ1 Mouser Part No 595-TL331IDBVRQ1	Texas Instruments	Analog Comparators Auto Cat Sgl Diff Co mparator Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	2 634In Stock	Cut Tape 2,20 zł 1,55 zł 1,39 zł 1,21 zł Reel 0,977 zł View 1,12 zł 1,07 zł 1,03 zł 0,95 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	CMOS, TTL	1.3 us	Differential	2 V	36 V	700 uA	18 mA	2.5 mV	25 nA	- 40 C	+ 125 C	TL331	Reel, Cut Tape, MouseReel
Analog Comparators 36-V standard sing l e-channel comparato TL391BIDBVR Texas Instruments 1: 2,23 zł 4 059In Stock 9 000Expected 10/15/2026	Mfr. Part No. TL391BIDBVR Mouser Part No 595-TL391BIDBVR	Texas Instruments	Analog Comparators 36-V standard sing l e-channel comparato Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	4 059In Stock 9 000Expected 10/15/2026	Cut Tape 2,23 zł 1,58 zł 1,41 zł 1,23 zł Reel 1,03 zł View 1,14 zł 1,09 zł 1,05 zł 1,01 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1 us	Differential	2 V	36 V	700 uA		2.5 mV	25 nA	- 40 C	+ 125 C	TL391B	Reel, Cut Tape, MouseReel
Analog Comparators High voltage cost o ptimized single cha TL331BIDBVR Texas Instruments 1: 2,12 zł 116 474On Order	Mfr. Part No. TL331BIDBVR Mouser Part No 595-TL331BIDBVR	Texas Instruments	Analog Comparators High voltage cost o ptimized single cha Learn More about Texas Instruments ti tl331 tl331b tl391b comparators	Datasheet	116 474On Order On Order Ship Dates Mfr. No: TL331BIDBVR Stock: 0 On Order: 74 474 Expected 12/10/2026 42 000 Expected 1/15/2027 Factory Lead Time: 20 Weeks	Cut Tape 2,12 zł 1,50 zł 1,34 zł 1,17 zł View Reel 0,95 zł 1,08 zł 1,03 zł 0,99 zł 0,95 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1 Channel	Open Collector, Open Drain	1 us	General Purpose	2 V	36 V	700 uA		2.5 mV	25 nA	- 40 C	+ 125 C	TL331B	Reel, Cut Tape, MouseReel

TL331/TL331B/TL391B/TL331B-Q1 Single Comparators

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