TMP431BDGKT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: TMP431BDGKT
Brand: Texas Instruments
SKU: TMP431BDGKT
Availability: InStock

TMP431BDGKT is a dual-channel remote/local temperature sensor IC by Texas Instruments, featuring ±1°C accuracy, SMBus/I2C interface, and programmable temperature limits. Available from $0.64 in TSSOP-8 package with worldwide shipping.

OBSOLETEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

TMP431BDGKTSmall Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 8
Lifecycle: OBSOLETE
Datasheet: TMP431BDGKT Datasheet PDF
Category: Integrated Circuit
Price: From $0.6435(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TMP431BDGKT?

Dual-channel temperature sensing: monitors one remote diode-connected transistor plus local on-chip sensor simultaneously
High accuracy ±1°C (remote) over -40°C to +125°C range, suitable for precision thermal management
SMBus/I2C-compatible interface with programmable high/low temperature limit registers and ALERT output
Low supply current (3.4 mA typical) in compact TSSOP-8 (S-PDSO-G8) package for space-constrained designs

What is TMP431BDGKT used for?

The TMP431BDGKT is widely used in computing and networking equipment to monitor CPU, GPU, and FPGA junction temperatures, enabling dynamic fan speed control and thermal throttling. It suits telecom infrastructure, industrial control systems, and power supply units where precise remote temperature monitoring is critical to system reliability and protection.

What are the specifications of TMP431BDGKT?

YTEOL	0
Analog IC - Other Type	ANALOG CIRCUIT
JESD-30 Code	S-PDSO-G8
JESD-609 Code	e4
Number of Channels	2
Number of Functions	1
Package Body Material	PLASTIC/EPOXY
Package Shape	SQUARE
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Current-Max (Isup)	0.045mA
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	2.7V
Supply Voltage-Nom (Vsup)	3.3V
Surface Mount	YES
Temperature Grade	AUTOMOTIVE
Terminal Finish	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 2
ECCN	EAR99
HTS Code	8542.39.00.01

Where can I find the TMP431BDGKT datasheet?

TMP431BDGKT Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TMP431BDGKT?

Compatible alternatives and drop-in replacements for TMP431BDGKT:

TMP431BDGKRTexas Instruments

Analog Circuit, 1 Func, 2 Channel, PDSO8

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the temperature measurement accuracy of the TMP431BDGKT?

The TMP431BDGKT provides ±1°C accuracy for the remote temperature channel and ±2°C for the local channel over the operating range of -40°C to +125°C, making it suitable for precision thermal management in computing and industrial applications.

What interface does the TMP431BDGKT use to communicate with a host microcontroller?

The TMP431BDGKT uses an SMBus/I2C-compatible two-wire serial interface operating at standard (100 kHz) and fast (400 kHz) modes, allowing easy integration with microcontrollers and system-on-chip devices without additional components.

What package is the TMP431BDGKT available in, and what are typical applications?

The TMP431BDGKT comes in a TSSOP-8 (S-PDSO-G8) small-outline package with a shrink pitch. It is commonly used in servers, laptops, networking switches, and industrial equipment to monitor processor and board temperatures for thermal protection and fan control.

Can the TMP431BDGKT replace other dual-channel temperature sensors like the ADT7461 or LM90?

Yes, the TMP431BDGKT is pin-compatible and register-compatible with the ADT7461 and LM90, making it a drop-in replacement. It supports the extended temperature range mode and programmable ideality factor correction for various remote sensing transistors.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $0.6435

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$2.6000	$2.60
126+	$0.9750	$122.85
250+	$0.9699	$242.47
401+	$0.7313	$293.25
1001+	$0.6435	$644.14

pcs

Unit price: $2.6000 · Total: $2.60

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TMP431BDGKT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of TMP431BDGKT?

What is TMP431BDGKT used for?

What are the specifications of TMP431BDGKT?

Compliance & Regulatory

Where can I find the TMP431BDGKT datasheet?

What are equivalent replacements for TMP431BDGKT?

Frequently Asked Questions

What is the temperature measurement accuracy of the TMP431BDGKT?

What interface does the TMP431BDGKT use to communicate with a host microcontroller?

What package is the TMP431BDGKT available in, and what are typical applications?

Can the TMP431BDGKT replace other dual-channel temperature sensors like the ADT7461 or LM90?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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