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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 (EUR) 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: 1,36 € 52.819In 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	52.819In Stock	Cut Tape 1,36 € 0,998 € 0,903 € 0,802 € Reel 0,675 € View 0,652 € 0,641 € 0,632 € 0,611 € 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: 0,86 € 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 0,86 € 0,615 € 0,556 € 0,488 € View Reel 0,426 € 0,458 € 0,438 € 0,426 € 0,426 €	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: 0,499 € 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 0,499 € 0,352 € 0,316 € 0,275 € Reel 0,222 € View 0,255 € 0,244 € 0,234 € 0,216 € 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: 0,43 € 17.605In Stock	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	17.605In Stock	Cut Tape 0,43 € 0,30 € 0,267 € 0,23 € Reel 0,182 € View 0,212 € 0,202 € 0,194 € 0,177 € 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 Single Differential Comparator A 595-TL3 A 595-TL331IDBVR TL331IDBVT Texas Instruments 1: 1,36 € 572In 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	572In Stock	Cut Tape 1,36 € 0,998 € 0,903 € 0,802 € Reel 0,746 € View 0,71 € 0,685 € 0,673 € 0,67 € 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: 0,602 € 1.880In 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	1.880In Stock 15.000Expected 2/25/2027	Cut Tape 0,602 € 0,43 € 0,386 € 0,338 € Reel 0,274 € View 0,315 € 0,301 € 0,289 € 0,273 € 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: 0,387 € 2.927In 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	2.927In Stock 147.000On Order On Order Ship Dates Mfr. No: TL331IDBVR Stock: 2.927 Can Dispatch Immediately On Order: 87.000 Expected 11/12/2026 60.000 Expected 11/16/2026 Factory Lead Time: 20 Weeks	Cut Tape 0,387 € 0,267 € 0,239 € 0,206 € Reel 0,165 € View 0,192 € 0,182 € 0,175 € 0,16 € 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: 0,499 € 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 0,499 € 0,352 € 0,316 € 0,275 € Reel 0,222 € View 0,255 € 0,244 € 0,234 € 0,216 € 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: 0,507 € 4.069In 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	4.069In Stock 9.000Expected 10/15/2026	Cut Tape 0,507 € 0,358 € 0,321 € 0,28 € Reel 0,225 € View 0,26 € 0,248 € 0,238 € 0,219 € 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 Automotive grade 36 -V single comparato TL391BQDBVRQ1 Texas Instruments 1: 0,533 € 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 0,533 € 0,372 € 0,332 € 0,289 € Reel 0,231 € View 0,268 € 0,255 € 0,245 € 0,225 € 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 High voltage cost o ptimized single cha TL331BIDBVR Texas Instruments 1: 0,482 € 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: 16 Weeks	Cut Tape 0,482 € 0,34 € 0,304 € 0,265 € Reel 0,209 € View 0,246 € 0,235 € 0,225 € 0,204 € 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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