TL431AILPR Texas Instruments Integrated Circuit (Other) In Stock

Name: TL431AILPR
Brand: Texas Instruments
SKU: TL431AILPR
Availability: InStock

The TL431AILPR is an adjustable shunt voltage reference from Texas Instruments, offering precision output from 2.47 V to 36 V with up to 100 mA output current. It features tight initial accuracy and low noise, making it ideal for power supply regulation. Available from leading distributors with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

TL431AILPROther

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 3
Lifecycle: ACTIVE
Datasheet: TL431AILPR Datasheet PDF
Category: Integrated Circuit
Price: From $0.0622(MOQ 250)
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 TL431AILPR?

Adjustable output voltage from 2.47 V to 36 V for flexible regulation designs
Precision initial accuracy of ±0.5% for tight voltage reference applications
Up to 100 mA output sink current capability in a compact SOT-23 tape-reel package
Low dynamic impedance for stable operation in switching and linear power supplies

What is TL431AILPR used for?

The TL431AILPR is widely used in power supply feedback circuits, battery chargers, and voltage monitoring systems where a precise and stable voltage reference is required. Its adjustable output range makes it suitable for industrial control equipment, consumer electronics, and telecommunications power management designs. Engineers also use it in shunt regulator applications and overvoltage protection circuits.

What are the specifications of TL431AILPR?

Pbfree Code	Yes
YTEOL	15
Analog IC - Other Type	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 Code	O-XBCY-T3
JESD-609 Code	e3
Number of Functions	1
Number of Outputs	1
Output Current-Max	0.1A
Output Voltage-Max	2.52V
Output Voltage-Min	2.47V
Output Voltage-Nom	2.495V
Package Body Material	UNSPECIFIED
Package Equivalence Code	SIP3,.1,50
Package Shape	ROUND
Package Style	CYLINDRICAL
Qualification Status	Not Qualified
Surface Mount	NO
Technology	BIPOLAR
Temp Coef of Voltage-Max	92ppm/°C
Temperature Grade	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)
Terminal Form	THROUGH-HOLE
Terminal Position	BOTTOM
Trim/Adjustable Output	YES
Voltage Tolerance-Max	1%
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Mainland China

Where can I find the TL431AILPR datasheet?

TL431AILPR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TL431AILPR?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the output voltage range of the TL431AILPR?

The TL431AILPR provides an adjustable output voltage ranging from 2.47 V to 36 V, set by two external resistors. This wide range makes it versatile for a variety of voltage reference and regulation applications in industrial and consumer designs.

What is the maximum output current for the TL431AILPR?

The TL431AILPR can sink a maximum output current of 100 mA (0.1 A), making it suitable for use in shunt regulator topologies and feedback circuits that require moderate current handling without additional external transistors.

What package does the TL431AILPR come in and is it RoHS compliant?

The TL431AILPR is packaged in a small tape-and-reel format and is marked as Pb-free (RoHS compliant, JESD-609 code e3), making it suitable for modern lead-free manufacturing processes compliant with environmental regulations.

What are common applications for the TL431AILPR?

Common applications include switching power supply feedback control, linear voltage regulation, battery charger voltage references, overvoltage protection circuits, and precision voltage monitoring in industrial, telecommunications, and consumer electronics equipment.

Can the TL431AILPR be used as a replacement for a fixed voltage reference?

Yes, the TL431AILPR can replace fixed references by setting external resistors to program the desired output voltage. Its adjustable architecture offers more flexibility and typically lower cost compared to fixed-voltage reference ICs in the same voltage class.

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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 $0.0622

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
250+	$0.1013	$25.32
500+	$0.0958	$47.91
1000+	$0.0913	$91.32
2000+	$0.0790	$158.00
3110+	$0.0644	$200.28
4020+	$0.0622	$250.04

pcs

Unit price: $0.1013 · Total: $25.32

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

TL431AILPR Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of TL431AILPR?

What is TL431AILPR used for?

What are the specifications of TL431AILPR?

Compliance & Regulatory

Where can I find the TL431AILPR datasheet?

What are equivalent replacements for TL431AILPR?

Frequently Asked Questions

What is the output voltage range of the TL431AILPR?

What is the maximum output current for the TL431AILPR?

What package does the TL431AILPR come in and is it RoHS compliant?

What are common applications for the TL431AILPR?

Can the TL431AILPR be used as a replacement for a fixed voltage reference?

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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