TL431ATA

$0.07

Description：IC VREF SHUNT ADJ 1% TO92-3
Series：-
Mfr：TAEJIN
Package：Tape & Box (TB)

SKU:c07cc1431291 Category: Voltage Reference Brand: TAEJIN

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 1% TO92-3
Series：-
Mfr：TAEJIN
Package：Tape & Box (TB)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.495V
Voltage - Output (Max)：40 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 125°C
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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TL431ATA

Overview

The TL431ATA is a programmable precision shunt regulator manufactured by TAEJIN (HTC Korea). It features a guaranteed reference voltage tolerance of 1% and an equivalent full-range temperature coefficient of 50ppm/°C. The device supports a programmable output voltage up to 40V using two external resistors. It operates within a cathode current range of 0.5mA to 100mA and functions over a recommended operating temperature range of -40°C to +125°C. The part is supplied in a TO-92 package with bent leads in tape and ammo pack format.

Feature Summary

Programmable output voltage capability extending up to 40V via external resistor networks
Guaranteed 1% reference voltage tolerance for high precision applications
Temperature compensated operation across the full industrial temperature range
Low dynamic output impedance typical value of 0.2Ω

Applications

Shunt Regulator
Precision High-Current Series Regulator
High-Current Shunt Regulator
Crowbar Circuit
PWM Converter With Reference

Procurement Notes

Verify that the specific ordering suffix TA indicates the TO-92 package configuration with bent leads supplied in tape and ammo pack format. Confirm the 1% reference voltage tolerance designation matches the TL431A variant requirements. Ensure the procurement documentation aligns with the manufacturer's latest revision notice regarding electrical characteristics and packaging specifications.

Selection Notes

Select this component when a precise, adjustable shunt regulator is required for industrial environments spanning -40°C to +125°C. The 1% tolerance version is suitable for applications demanding strict reference voltage accuracy. Consider the TO-92 bent lead package for through-hole mounting processes requiring tape and ammo pack supply. Evaluate the low dynamic impedance and fast turn-on response for stability in feedback loop designs.

Part Context

The TL431ATA belongs to the TL431 family of three-terminal adjustable shunt regulators produced by TAEJIN Technology. This series serves as a versatile replacement for Zener diodes in various power management circuits. The device integrates an active output circuitry to provide sharp turn-on characteristics. It is characterized for thermal stability over applicable temperature ranges, making it a standard choice for precision voltage reference and regulation tasks.

Replacement Considerations

Compatible substitutes include TL431CTA (0.5% tolerance), TL431TA (2% tolerance), and generic TL431 variants from other manufacturers such as TI or ON Semiconductor. Verify pinout compatibility (Reference, Anode, Cathode) and package dimensions before substitution. Ensure the alternative part meets the required 1% reference voltage tolerance and operating temperature range specifications.