TL431BID Texas Instruments Power Supply (Small Outline Packages) In Stock

Name: TL431BID
Brand: Texas Instruments
SKU: TL431BID
Availability: InStock

Texas Instruments TL431BID is a precision adjustable shunt voltage reference with 0.5% accuracy, output range 2.495V–36V, and 100mA sink current. Available in 8-Pin SOIC package. From $0.33 in stock, worldwide shipping.

ACTIVEPower SupplyVerified May 2026

Package / Visual Reference

TL431BIDSmall Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: TL431BID Datasheet PDF
Category: Power Supply
Price: From $0.3301(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TL431BID?

Precision 0.5% initial voltage accuracy for tight regulation
Wide adjustable output range from 2.495V to 36V
100mA maximum output sink current capability
8-Pin SOIC (SOIC-8) package for easy PCB integration
Single-function two-terminal voltage reference design

What is TL431BID used for?

The TL431BID is widely used in power supply feedback control, where it serves as a precise voltage reference in switching regulators and linear power supplies. It is also used in battery management circuits, precision voltage monitors, and adjustable voltage regulator designs. Its accuracy and wide output range make it suitable for industrial equipment, telecommunications power systems, and consumer electronics.

What are the specifications of TL431BID?

Pbfree Code	Yes
YTEOL	15
Additional Feature	OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V
Analog IC - Other Type	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e4
Number of Functions	1
Number of Outputs	1
Output Current-Max	0.1A
Output Voltage-Max	2.507V
Output Voltage-Min	2.483V
Output Voltage-Nom	2.495V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	YES
Technology	BIPOLAR
Temp Coef of Voltage-Max	92ppm/°C
Temperature Grade	INDUSTRIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Trim/Adjustable Output	YES
Voltage Tolerance-Max	0.5%
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Mexico

Where can I find the TL431BID datasheet?

TL431BID Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TL431BID?

Compatible alternatives and drop-in replacements for TL431BID:

TL431BIDRG4Texas Instruments

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8

View Part →

TL431BIDBVTTexas Instruments

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO5

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the output voltage range of the TL431BID?

The TL431BID provides an adjustable output voltage range from 2.495V to 36V. This wide range makes it suitable for a variety of power supply feedback and voltage reference applications, including both low-voltage and higher-voltage systems.

What is the accuracy of the TL431BID shunt voltage reference?

The TL431BID offers 0.5% initial voltage accuracy, which is the 'B' grade specification from Texas Instruments. This precision level is ideal for applications requiring tight voltage regulation, such as switching power supply feedback loops and precision measurement circuits.

What package does the TL431BID come in and what is its maximum output current?

The TL431BID is housed in an 8-Pin SOIC (Small Outline IC) package, with JESD-30 code R-PDSO-G8. It supports a maximum output sink current of 100mA (0.1A), making it capable of driving typical optocoupler loads and feedback network components in power supply designs.

What are common applications for the TL431BID?

The TL431BID is commonly used in switching power supply voltage feedback circuits, adjustable voltage regulators, overvoltage protection circuits, battery chargers, and precision voltage monitoring. Its adjustable reference voltage and high accuracy make it a versatile component in industrial, consumer, and telecommunications power electronics.

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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 $0.3301

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$1.2085	$1.21
5+	$0.6440	$3.22
10+	$0.5740	$5.74
25+	$0.5400	$13.50
88+	$0.4127	$36.32
251+	$0.3301	$82.86

pcs

Unit price: $1.2085 · Total: $1.21

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

TL431BID Texas Instruments Power Supply (Small Outline Packages) In Stock

What are the key features of TL431BID?

What is TL431BID used for?

What are the specifications of TL431BID?

Compliance & Regulatory

Where can I find the TL431BID datasheet?

What are equivalent replacements for TL431BID?

Frequently Asked Questions

What is the output voltage range of the TL431BID?

What is the accuracy of the TL431BID shunt voltage reference?

What package does the TL431BID come in and what is its maximum output current?

What are common applications for the TL431BID?

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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