Board Mount Temperature Sensors – Mouser South Africa

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TMP451/TMP451-Q1 Remote/Local Temperature Sensors

Texas Instruments TMP451/TMP451-Q1 Remote and Local Temperature Sensors are high-accuracy, low-power remote temperature sensor monitors with a built-in local temperature sensor. The remote temperature sensors are typically low-cost discrete NPN or PNP transistors, or substrate thermal transistors. They can also be diodes that are integral parts of microprocessors, microcontrollers, or FPGAs. The temperature is represented as a 12-bit digital code for both the local and remote sensors, giving a resolution of 0.0625°C. The temperature accuracy is ±1°C (maximum) in the typical operating range for the local and the remote temperature sensors. The two-wire serial interface accepts the SMBus communication protocol.

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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 Remote & Local Temp Sensor A 595-TMP451A A 595-TMP451AIDQFT TMP451AIDQFR Texas Instruments 1: $1.83 3,036In Stock 15,000Expected 2027/01/25	Mfr. Part No. TMP451AIDQFR Mouser Part No 595-TMP451AIDQFR	Texas Instruments	Board Mount Temperature Sensors Remote & Local Temp Sensor A 595-TMP451A A 595-TMP451AIDQFT Learn More about Texas Instruments ti tmp451 sensors	Datasheet	3,036In Stock 15,000Expected 2027/01/25	Cut Tape $1.83 $1.62 $1.45 $1.40 View Reel $1.04 $1.33 $1.19 $1.15 $1.09 $1.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	WSON-8	2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT		Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451JQDQFTQ1 TMP451JQDQFRQ1 Texas Instruments 1: $1.86 7,316In Stock	Mfr. Part No. TMP451JQDQFRQ1 Mouser Part No 595-TMP451JQDQFRQ1	Texas Instruments	Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451JQDQFTQ1 Learn More about Texas Instruments ti tmp451 sensors	Datasheet	7,316In Stock	Cut Tape $1.86 $1.65 $1.48 $1.42 View Reel $1.07 $1.36 $1.22 $1.11 $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	WSON-8	2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451HQDQFTQ1 TMP451HQDQFRQ1 Texas Instruments 1: $2.11 5,754In Stock	Mfr. Part No. TMP451HQDQFRQ1 Mouser Part No 595-TMP451HQDQFRQ1	Texas Instruments	Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451HQDQFTQ1 Learn More about Texas Instruments ti tmp451 sensors	Datasheet	5,754In Stock	Cut Tape $2.11 $1.87 $1.67 $1.60 View Reel $1.19 $1.54 $1.37 $1.31 $1.24 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	WSON-8	2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451HQDQWTQ1 TMP451HQDQWRQ1 Texas Instruments 1: $2.13 3,351In Stock	Mfr. Part No. TMP451HQDQWRQ1 Mouser Part No 595-TMP451HQDQWRQ1	Texas Instruments	Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451HQDQWTQ1 Learn More about Texas Instruments ti tmp451 sensors	Datasheet	3,351In Stock	Cut Tape $2.13 $1.90 $1.71 $1.63 View Reel $1.21 $1.57 $1.40 $1.33 $1.24 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	WSON-8	2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451JQDQWTQ1 TMP451JQDQWRQ1 Texas Instruments 1: $2.13 841In Stock 3,000Expected 2026/10/15	Mfr. Part No. TMP451JQDQWRQ1 Mouser Part No 595-TMP451JQDQWRQ1	Texas Instruments	Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451JQDQWTQ1 Learn More about Texas Instruments ti tmp451 sensors	Datasheet	841In Stock 3,000Expected 2026/10/15	Cut Tape $2.13 $1.90 $1.71 $1.63 View Reel $1.21 $1.57 $1.40 $1.33 $1.26 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	WSON-8	2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors 8-WSON -40 to 125 TMP451AQDQFRQ1 Texas Instruments 1: $2.52 5,964On Order	Mfr. Part No. TMP451AQDQFRQ1 Mouser Part No 595-TMP451AQDQFRQ1	Texas Instruments	Board Mount Temperature Sensors 8-WSON -40 to 125 Learn More about Texas Instruments ti tmp451 sensors	Datasheet	5,964On Order On Order Ship Dates Mfr. No: TMP451AQDQFRQ1 Stock: 0 On Order: 2,964 Expected 2026/10/30 3,000 Expected 2027/01/04 Factory Lead Time: 16 Weeks	Cut Tape $2.52 $2.23 $2.02 $1.76 View Reel $1.19 $1.63 $1.40 $1.33 $1.23 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C		2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451AQDQWTQ1 TMP451AQDQWRQ1 Texas Instruments 1: $2.13 4,179On Order	Mfr. Part No. TMP451AQDQWRQ1 Mouser Part No 595-TMP451AQDQWRQ1	Texas Instruments	Board Mount Temperature Sensors Automotive 1.7-V rem ote and local temp A 595-TMP451AQDQWTQ1 Learn More about Texas Instruments ti tmp451 sensors	Datasheet	4,179On Order On Order Ship Dates Mfr. No: TMP451AQDQWRQ1 Stock: 0 On Order: 1,179 Expected 2026/11/26 3,000 Expected 2027/02/01 Factory Lead Time: 16 Weeks	Cut Tape $2.13 $1.90 $1.71 $1.63 View Reel $1.21 $1.57 $1.41 $1.35 $1.29 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Digital	+/- 1 C	- 40 C	+ 125 C	WSON-8	2-Wire, I2C, SMBus	1.7 V	3.6 V	Local, Remote	12 bit	Shutdown	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel

TMP451/TMP451-Q1 Remote/Local Temperature Sensors

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