TL431BQDR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TL431BQDR product

TL431BQDR

Voltage Reference

Shunt RegulatorVoltage ReferencePrecision

The TL431BQDR is a high-precision, adjustable shunt regulator from Texas Instruments, featuring a 0.5% initial tolerance and a wide output voltage range of 2.5V to 36V.

Best for

  • Switch mode power supplies
  • Voltage monitoring
  • Adjustable power supplies

Avoid if

  • Applications requiring less than 1mA of cathode current.

Check before use

  • Ensure the external resistor network is calculated correctly for the desired output voltage.

Key specifications

Initial Tolerance
0.5%
Output Voltage
2.5V - 36V
Sink Current
1mA - 100mA
Operating Temp
-40°C to 125°C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial

CAD Models

Download ECAD models for TL431BQDR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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
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Where to Buy

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Alternative components

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

Design and risk insights

Questions & answers

It is a three-terminal adjustable shunt regulator with high thermal stability, commonly used as a precision voltage reference or error amplifier.