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TL431 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TL431 product

TL431

Amplifiers

Voltage RegulatorShunt Regulator2.5V Reference

The TL431 is a versatile 3-terminal adjustable shunt regulator providing a stable 2.5V reference, suitable for precision voltage regulation and current limiting.

Best for

  • Shunt regulation
  • Precision current limiting
  • Zener diode replacement

Avoid if

  • Applications requiring very high output currents (>100mA) without external pass transistors

Check before use

  • Resistor divider values for target output voltage

Key specifications

Reference Voltage
2.5V
Max Cathode Voltage
36V
Current Capability
100mA

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementGeneral Purpose

Datasheet

3457795f83eaebd72efdf140d6fe3eae_2310101751_Wild-Goose-TL431_C7541508.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TL431: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

2
PartDetailsMatch
AZ431AN-ATRG1Diodes Incorporated

A SOT-23 shunt regulator from Diodes Inc. with matching specs and a wider temperature range.

Needs validation

Design and risk insights

Questions & answers

The TL431 is a three-terminal adjustable shunt regulator that acts as a programmable zener diode, providing a stable reference voltage.