Board Mount Temperature Sensors

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TMP42x/TMP42x-Q1 Remote/Local Temperature Sensors

Texas Instruments TMP42x/TMP42x-Q1 Remote / Local Temperature Sensors utilize a built-in local temperature sensor with ±1°C remote accuracy for multiple IC manufacturers, with no calibration needed. The remote temperature sensor diode-connected transistors are typically cost-effective, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs. The two-wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to configure the device. TI TMP42x/TMP42x-Q1 Remote / Local Temperature Sensors include series resistance cancellation, programmable non-ideality factor, wide remote temperature measurement range (up to +150°C), and diode fault detection. The TMP42x-Q1 devices are AEC-Q100 qualified for automotive applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Output Type	Accuracy	Minimum Operating Temperature	Maximum Operating Temperature	Package / Case	Interface Type	Supply Voltage - Min	Supply Voltage - Max	Configuration	Resolution	Shutdown	Mounting Style	Qualification	Packaging
Board Mount Temperature Sensors AEC-Q100 Automotive 1Ch Remote Temperatu A 595-TMP421AQDCNTQ1 TMP421AQDCNRQ1 Texas Instruments 1: S/ 7.51 14,635In Stock	Mfr. Part # TMP421AQDCNRQ1 Mouser Part # 595-TMP421AQDCNRQ1	Texas Instruments	Board Mount Temperature Sensors AEC-Q100 Automotive 1Ch Remote Temperatu A 595-TMP421AQDCNTQ1 Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	14,635In Stock	Cut Tape S/ 7.51 S/ 6.70 S/ 5.99 S/ 5.76 View Reel S/ 4.05 S/ 5.53 S/ 4.90 S/ 4.63 S/ 4.13 S/ 4.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Remote and Local Tem p Sensor TMP422AMDCNTEP Texas Instruments 1: S/ 35.93 4,664In Stock	Mfr. Part # TMP422AMDCNTEP Mouser Part # 595-TMP422AMDCNTEP	Texas Instruments	Board Mount Temperature Sensors Remote and Local Tem p Sensor Learn More about Texas Instruments ti tmp421 tmp422 tmp423 sensors	Datasheet	4,664In Stock	Cut Tape S/ 35.93 S/ 32.50 S/ 31.22 S/ 29.66 Reel S/ 26.47 View S/ 28.61 S/ 27.68 S/ 25.81 S/ 25.30 MouseReel Available	Min.: 1 Mult.: 1 : 250	Digital	+/- 1 C	- 55 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors +/-1degC Remote & Lo cal Temp Sensor A 5 A 595-TMP421YZDT TMP421YZDR Texas Instruments 1: S/ 4.75 2,583In Stock	Mfr. Part # TMP421YZDR Mouser Part # 595-TMP421YZDR	Texas Instruments	Board Mount Temperature Sensors +/-1degC Remote & Lo cal Temp Sensor A 5 A 595-TMP421YZDT Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	2,583In Stock	Cut Tape S/ 4.75 S/ 4.20 S/ 3.74 S/ 3.58 View Reel S/ 2.88 S/ 3.42 S/ 3.18 S/ 3.06 S/ 2.88 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C		2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors +/-1C Remote and Loc al Temp Sensor A 59 A 595-TMP423BIDCNT TMP423BIDCNR Texas Instruments 1: S/ 7.79 2,324In Stock	Mfr. Part # TMP423BIDCNR Mouser Part # 595-TMP423BIDCNR	Texas Instruments	Board Mount Temperature Sensors +/-1C Remote and Loc al Temp Sensor A 59 A 595-TMP423BIDCNT Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	2,324In Stock	Cut Tape S/ 7.79 S/ 6.93 S/ 6.19 S/ 5.96 View Reel S/ 4.32 S/ 5.68 S/ 5.10 S/ 4.83 S/ 4.32 S/ 4.32 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors AEC-Q100 Automotive 2Ch Remote Temperatu A 595-TMP422AQDCNTQ1 TMP422AQDCNRQ1 Texas Instruments 1: S/ 10.20 341In Stock 3,000Expected 2/18/2027	Mfr. Part # TMP422AQDCNRQ1 Mouser Part # 595-TMP422AQDCNRQ1	Texas Instruments	Board Mount Temperature Sensors AEC-Q100 Automotive 2Ch Remote Temperatu A 595-TMP422AQDCNTQ1 Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	341In Stock 3,000Expected 2/18/2027	Cut Tape S/ 10.20 S/ 9.03 S/ 8.14 S/ 7.08 View Reel S/ 4.83 S/ 6.58 S/ 5.80 S/ 5.37 S/ 4.98 S/ 4.83 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors AEC-Q100 Automotive 3Ch Remote Temperatu A 595-TMP423AQDCNTQ1 TMP423AQDCNRQ1 Texas Instruments 1: S/ 10.04 551In Stock	Mfr. Part # TMP423AQDCNRQ1 Mouser Part # 595-TMP423AQDCNRQ1	Texas Instruments	Board Mount Temperature Sensors AEC-Q100 Automotive 3Ch Remote Temperatu A 595-TMP423AQDCNTQ1 Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	551In Stock	Cut Tape S/ 10.04 S/ 9.65 S/ 8.95 S/ 8.56 View Reel S/ 5.18 S/ 8.45 S/ 5.33 S/ 5.18 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors +/-1 degreeC Remote Local Temp Sensor A A 595-TMP422AIDCNT TMP422AIDCNR Texas Instruments 1: S/ 7.32 23,556On Order	Mfr. Part # TMP422AIDCNR Mouser Part # 595-TMP422AIDCNR	Texas Instruments	Board Mount Temperature Sensors +/-1 degreeC Remote Local Temp Sensor A A 595-TMP422AIDCNT Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	23,556On Order On Order Ship Dates Mfr. #: TMP422AIDCNR Stock: 0 On Order: 5,556 Expected 2/25/2027 6,000 Expected 3/11/2027 12,000 Expected 5/20/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/ 7.32 S/ 6.50 S/ 5.84 S/ 5.61 View Reel S/ 4.20 S/ 5.37 S/ 4.83 S/ 4.59 S/ 4.40 S/ 4.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors +/-1degC Rem and Tem p Sensor A 595-TMP4 A 595-TMP421AIDCNT TMP421AIDCNR Texas Instruments 1: S/ 5.68 14,791Expected 4/29/2027	Mfr. Part # TMP421AIDCNR Mouser Part # 595-TMP421AIDCNR	Texas Instruments	Board Mount Temperature Sensors +/-1degC Rem and Tem p Sensor A 595-TMP4 A 595-TMP421AIDCNT Learn More about Texas Instruments ti tmp421 tmp422 tmp423 sensors	Datasheet	14,791Expected 4/29/2027	Cut Tape S/ 5.68 S/ 5.02 S/ 4.48 S/ 4.28 View Reel S/ 3.09 S/ 4.13 S/ 3.58 S/ 3.38 S/ 3.20 S/ 3.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors +/-1C Remote and Loc al Temp Sensor A 59 A 595-TMP423AIDCNT TMP423AIDCNR Texas Instruments 1: S/ 7.79 11,500On Order	Mfr. Part # TMP423AIDCNR Mouser Part # 595-TMP423AIDCNR	Texas Instruments	Board Mount Temperature Sensors +/-1C Remote and Loc al Temp Sensor A 59 A 595-TMP423AIDCNT Learn More about Texas Instruments ti tmp42 tmp42 q1	Datasheet	11,500On Order On Order Ship Dates Mfr. #: TMP423AIDCNR Stock: 0 On Order: 5,500 Expected 4/29/2027 6,000 Expected 5/6/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/ 7.79 S/ 6.93 S/ 6.19 S/ 5.96 View Reel S/ 4.44 S/ 5.68 S/ 5.10 S/ 4.83 S/ 4.59 S/ 4.44 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Remote and Local Tem p Sensor A 595-TMP4 A 595-TMP422AMDCNTEP V62/11618-01XE Texas Instruments 250: S/ 25.57 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # V62/11618-01XE Mouser Part # 595-V62/11618-01XE	Texas Instruments	Board Mount Temperature Sensors Remote and Local Tem p Sensor A 595-TMP4 A 595-TMP422AMDCNTEP	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel S/ 25.57	Min.: 250 Mult.: 250 : 250	Digital	+/- 1 C	- 55 C	+ 125 C	SOT-23-8	2-Wire, I2C, SMBus	2.7 V	5.5 V	Local, Remote		Shutdown	SMD/SMT		Reel

TMP42x/TMP42x-Q1 Remote/Local Temperature Sensors

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