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TL431ACL3T is a ROHS-compliant, adjustable voltage reference with a range of 2.495V to 36V and a tight tolerance of ±1%

ISO14001 ISO9001 DUNS

Brands: Stmicroelectronics

Mfr.Part #: TL431ACL3T

Datasheet: TL431ACL3T Datasheet (PDF)

Package/Case: SOT23

Product Type: Voltage Reference

RoHS Status:

Stock Condition: 2,660 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

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TL431ACL3T General Description

The TL431ACL3T is a programmable precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. It operates as a shunt regulator, providing a stable voltage reference. The "CL3T" suffix indicates a specific temperature range and package type.With a 2.5V reference voltage, this device compares an input voltage to an internal reference, adjusting its output to maintain a constant voltage across its output pins. It typically comes in a TO-92 package, which is a small, three-pin package often used in through-hole mounting applications.The TL431ACL3T features a wide operating temperature range suitable for various environments and applications. It's commonly used in voltage regulation circuits, switch-mode power supplies, and battery chargers. Its programmability allows for flexibility in setting output voltages, making it versatile in different electronic designs.



  • Low power consumption
  • Compact size guaranteed
  • Robust construction ensured


  • Precision voltage regulator
  • Essential for linear power
  • Ideal for electronic instruments


Parameter Value Parameter Value
Operating Temp Min Celsius 0.0 Operating Temp Max Celsius 70.0
Packing Type Tape And Reel RoHs compliant Ecopack3
Grade Industrial


Shipping Type Ship Fee Lead Time
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TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The TL431ACL3T chip is a popular three-terminal adjustable shunt regulator. It is commonly used in various applications, such as voltage references, precision regulators, and feedback control circuits. The chip provides a stable reference voltage and can be adjusted to a desired output voltage level. It is designed to be versatile, reliable, and easy to use, making it an essential component in many electronic circuits.
  • Equivalent

    Some equivalent products of the TL431ACL3T chip include TL432ACL3T, TL431BCPDBZT, and TL431BCPSRG4.
  • Features

    The TL431ACL3T is a voltage reference diode with programmable output voltage and low output voltage tolerance. It has a typical temperature coefficient of 50 ppm/°C and low dynamic output impedance. It is housed in a small TO-92 package.
  • Pinout

    The TL431ACL3T is a three-terminal adjustable shunt regulator. Its pin count is three, and the pins serve the following functions: Pin 1 (Anode), Pin 2 (Cathode), and Pin 3 (Reference).
  • Manufacturer

    The manufacturer of the TL431ACL3T is Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is known for its extensive range of analog and digital products, including microcontrollers, processors, amplifiers, and sensors, used in a wide range of applications across multiple industries.
  • Application Field

    The TL431ACL3T is a programmable shunt regulator that can be used in various applications such as voltage reference, line regulation, and error amplifier in power supplies, battery chargers, and switching regulators. It offers precise voltage regulation and temperature stability, making it suitable for use in numerous electronic devices.
  • Package

    The TL431ACL3T chip has a SOT-23 package type, a 3-pin form, and a compact size.

Datasheet PDF

Preliminary Specification TL431ACL3T PDF Download

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