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 (USD) 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: $1.93 14,799In Stock	Mfr. Part No. TMP421AQDCNRQ1 Mouser Part No 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	14,799In Stock	Cut Tape $1.93 $1.72 $1.54 $1.48 View Reel $1.04 $1.42 $1.26 $1.19 $1.06 $1.04 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 +/-1C Remote and Loc al Temp Sensor A 59 A 595-TMP423BIDCNT TMP423BIDCNR Texas Instruments 1: $2.00 2,516In Stock	Mfr. Part No. TMP423BIDCNR Mouser Part No 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	2,516In Stock	Cut Tape $2.00 $1.78 $1.59 $1.53 View Reel $1.14 $1.46 $1.37 $1.32 $1.14 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 TMP422AMDCNTEP Texas Instruments 1: $9.23 4,518In Stock	Mfr. Part No. TMP422AMDCNTEP Mouser Part No 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	4,518In Stock	Cut Tape $9.23 $8.35 $8.02 $7.62 Reel $6.80 View $7.35 $7.11 $6.63 $6.50 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: $1.22 2,818In Stock	Mfr. Part No. TMP421YZDR Mouser Part No 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	2,818In Stock	Cut Tape $1.22 $1.08 $0.962 $0.919 View Reel $0.739 $0.879 $0.816 $0.785 $0.739 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 +/-1 degreeC Remote Local Temp Sensor A A 595-TMP422AIDCNT TMP422AIDCNR Texas Instruments 1: $2.00 334In Stock 15,000On Order	Mfr. Part No. TMP422AIDCNR Mouser Part No 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	334In Stock 15,000On Order On Order Ship Dates Mfr. No: TMP422AIDCNR Stock: 334 Can Dispatch Immediately On Order: 9,000 Expected 18/02/2027 6,000 Expected 04/03/2027 Factory Lead Time: 16 Weeks	Cut Tape $2.00 $1.77 $1.59 $1.52 View Reel $1.21 $1.45 $1.27 $1.22 $1.21 $1.21 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: $2.62 705In Stock 3,000Expected 11/02/2027	Mfr. Part No. TMP422AQDCNRQ1 Mouser Part No 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	705In Stock 3,000Expected 11/02/2027	Cut Tape $2.62 $2.32 $2.09 $1.82 View Reel $1.24 $1.69 $1.49 $1.38 $1.28 $1.24 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 +/-1C Remote and Loc al Temp Sensor A 59 A 595-TMP423AIDCNT TMP423AIDCNR Texas Instruments 1: $2.00 2,981Expected 12/11/2026	Mfr. Part No. TMP423AIDCNR Mouser Part No 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	2,981Expected 12/11/2026	Cut Tape $2.00 $1.78 $1.59 $1.53 View Reel $1.14 $1.46 $1.31 $1.24 $1.18 $1.14 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 3Ch Remote Temperatu A 595-TMP423AQDCNTQ1 TMP423AQDCNRQ1 Texas Instruments 1: $2.58 1,096In Stock	Mfr. Part No. TMP423AQDCNRQ1 Mouser Part No 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	1,096In Stock	Cut Tape $2.58 $2.48 $2.30 $2.20 View Reel $1.33 $2.17 $1.37 $1.33 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 +/-1degC Rem and Tem p Sensor A 595-TMP4 A 595-TMP421AIDCNT TMP421AIDCNR Texas Instruments 1: $1.46 14,860Expected 14/01/2027	Mfr. Part No. TMP421AIDCNR Mouser Part No 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	14,860Expected 14/01/2027	Cut Tape $1.46 $1.29 $1.15 $1.10 View Reel $0.795 $1.06 $0.919 $0.869 $0.823 $0.795 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: $6.57 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. V62/11618-01XE Mouser Part No 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 $6.57	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

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