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TS3121/TS3121A Automotive Single Comparators

STMicroelectronics TS3121/TS3131A Automotive Single Comparators offer a high-speed response with low power consumption, operating over a supply voltage range of 1.8V to 5.5V. The STMicroelectronics TS3121/TS3131A comparators function reliably in temperatures from -40°C to +125°C, making them suitable for industrial and automotive applications. With an embedded fail-safe circuit, these comparators can continue operating with biased input/output pins even when the supply pin is shut down to 0V. A guaranteed start-up time ensures stable output once the supply is reactivated. The compact package makes the devices ideal for space-constrained applications, helping to reduce overall PCB costs.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Number of Channels	Output 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 Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) TS3121PICT STMicroelectronics 1: ₩2,254.7 2,688In Stock New Product	Mfr. Part # TS3121PICT Mouser Part # 511-TS3121PICT New Product	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,688In Stock	Cut Tape ₩2,254.7 ₩1,648.8 ₩1,493.8 ₩1,327.5 Reel ₩1,107.6 View ₩1,245.7 ₩1,197.8 ₩1,182.3 ₩1,083.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SC-70-5	1 Channel	Open Drain	1.7 V	5.5 V	71 uA	140 mA	500 mV	200 pA	- 40 C	+ 125 C	TS3121P	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) TS3121PILT STMicroelectronics 1: ₩2,170.2 2,400In Stock New Product	Mfr. Part # TS3121PILT Mouser Part # 511-TS3121PILT New Product	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,400In Stock	Cut Tape ₩2,170.2 ₩1,592.4 ₩1,451.5 ₩1,283.8 Reel ₩1,073.8 View ₩1,206.3 ₩1,159.8 ₩1,121.7 ₩1,049.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121P	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) TS3121PIYCT STMicroelectronics 1: ₩2,635.2 2,400In Stock New Product	Mfr. Part # TS3121PIYCT Mouser Part # 511-TS3121PIYCT New Product	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,400In Stock	Cut Tape ₩2,635.2 ₩1,944.7 ₩1,775.6 ₩1,578.3 Reel ₩1,321.8 View ₩1,479.7 ₩1,437.4 ₩1,423.3 ₩1,293.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121P	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) TS3121PIYLT STMicroelectronics 1: ₩2,635.2 2,400In Stock New Product	Mfr. Part # TS3121PIYLT Mouser Part # 511-TS3121PIYLT New Product	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded Power-on Reset (PoR) Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,400In Stock	Cut Tape ₩2,635.2 ₩1,944.7 ₩1,775.6 ₩1,578.3 Reel ₩1,362.7 View ₩1,479.7 ₩1,437.4 ₩1,423.3 ₩1,333.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121P	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121AILT STMicroelectronics 1: ₩2,240.6 2,974In Stock	Mfr. Part # TS3121AILT Mouser Part # 511-TS3121AILT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,974In Stock	Cut Tape ₩2,240.6 ₩1,648.8 ₩1,493.8 ₩1,321.8 Reel ₩1,093.5 View ₩1,242.9 ₩1,195 ₩1,183.7 ₩1,076.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121A	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121AIYCT STMicroelectronics 1: ₩2,635.2 2,996In Stock	Mfr. Part # TS3121AIYCT Mouser Part # 511-TS3121AIYCT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,996In Stock	Cut Tape ₩2,635.2 ₩1,944.7 ₩1,775.6 ₩1,578.3 Reel ₩1,321.8 View ₩1,479.7 ₩1,437.4 ₩1,423.3 ₩1,292.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121A	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121AIYLT STMicroelectronics 1: ₩2,635.2 1,988In Stock	Mfr. Part # TS3121AIYLT Mouser Part # 511-TS3121AIYLT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	1,988In Stock	Cut Tape ₩2,635.2 ₩1,944.7 ₩1,775.6 ₩1,578.3 Reel ₩1,321.8 View ₩1,479.7 ₩1,437.4 ₩1,423.3 ₩1,292.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121A	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121ICT STMicroelectronics 1: ₩2,057.4 2,060In Stock	Mfr. Part # TS3121ICT Mouser Part # 511-TS3121ICT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,060In Stock	Cut Tape ₩2,057.4 ₩1,507.8 ₩1,361.3 ₩1,207.7 Reel ₩1,006.2 View ₩1,134.4 ₩1,090.7 ₩1,062.5 ₩985 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SC70-5	1 Channel	Open Drain	1.7 V	5.5 V	70 uA		6 mV	50 pA	- 40 C	+ 125 C	TS3121	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121IYCT STMicroelectronics 1: ₩2,466.1 2,984In Stock	Mfr. Part # TS3121IYCT Mouser Part # 511-TS3121IYCT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,984In Stock	Cut Tape ₩2,466.1 ₩1,803.8 ₩1,634.7 ₩1,451.5 Reel ₩1,248.6 View ₩1,361.3 ₩1,307.7 ₩1,292.2 ₩1,210.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SC70-5	1 Channel	Open Drain	1.7 V	5.5 V	70 uA		6 mV	50 pA	- 40 C	+ 125 C	TS3121	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121IYLT STMicroelectronics 1: ₩2,423.8 2,990In Stock	Mfr. Part # TS3121IYLT Mouser Part # 511-TS3121IYLT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,990In Stock	Cut Tape ₩2,423.8 ₩1,775.6 ₩1,620.6 ₩1,437.4 Reel ₩1,209.1 View ₩1,350 ₩1,300.7 ₩1,292.2 ₩1,197.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT23-5	1 Channel	Open Drain	1.7 V	5.5 V	70 uA		6 mV	50 pA	- 40 C	+ 125 C	TS3121	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121AICT STMicroelectronics 1: ₩2,240.6 1,687In Stock	Mfr. Part # TS3121AICT Mouser Part # 511-TS3121AICT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	1,687In Stock	Cut Tape ₩2,240.6 ₩1,648.8 ₩1,493.8 ₩1,321.8 Reel ₩1,093.5 View ₩1,242.9 ₩1,195 ₩1,183.7 ₩1,076.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000													TS3121A	Reel, Cut Tape, MouseReel
Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output TS3121ILT STMicroelectronics 1: ₩2,057.4 2,982Expected 1/25/2027	Mfr. Part # TS3121ILT Mouser Part # 511-TS3121ILT	STMicroelectronics	Analog Comparators Rail-to-rail, open-drain comparator with embedded fail-safe input/output Learn More about STMicroelectronics stm ts3121 comparators	Datasheet	2,982Expected 1/25/2027	Cut Tape ₩2,057.4 ₩1,507.8 ₩1,361.3 ₩1,207.7 Reel ₩1,004.8 View ₩1,134.4 ₩1,090.7 ₩1,062.5 ₩983.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT23-5	1 Channel	Open Drain	1.7 V	5.5 V	70 uA		6 mV	50 pA	- 40 C	+ 125 C	TS3121	Reel, Cut Tape, MouseReel

TS3121/TS3121A Automotive Single Comparators

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