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TL431 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TL431 product

TL431

Amplifiers

Shunt RegulatorVoltage ReferenceAdjustablePrecision

The TL431 is a versatile, three-terminal adjustable shunt regulator used as a programmable Zener diode for precision voltage reference and current limiting.

Best for

  • Precision voltage regulation
  • Programmable Zener diode replacement
  • Current limiting circuits

Avoid if

  • Ultra-low power applications requiring micro-ampere quiescent current

Check before use

  • Resistor divider accuracy
  • Output capacitor placement

Key specifications

Output Voltage
2.5V to 36V
Dynamic Impedance
0.2Ω
Cathode Current
1mA to 100mA
Temp Coefficient
50 ppm/°C

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementIndustrial ControlConsumer Electronics

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

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The TL431 is an adjustable shunt regulator that acts as a programmable Zener diode, providing a stable reference voltage from 2.5V up to 36V.