TJR431CSF

$0.07

Description：IC VREF SHUNT ADJ 0.5% SOT23-3
Series：-
Mfr：TAEJIN
Package：Tape & Reel (TR)

SKU:db755eddfd82 Category: Voltage Reference Brand: TAEJIN

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 0.5% SOT23-3
Series：-
Mfr：TAEJIN
Package：Tape & Reel (TR)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.495V
Voltage - Output (Max)：28 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3L
Grade：-
Qualification：-

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TJR431CSF

Overview

The TJR431CSF is a three-terminal programmable precision shunt regulator manufactured by Tae Jin Technology. It provides an adjustable output voltage up to 28V using two external resistors, with a nominal reference voltage of 2.495V and a guaranteed tolerance of 0.5%. The device supports a continuous cathode current range of 100mA and operates within a temperature range of -40°C to +125°C. It features a low dynamic impedance of 0.25Ω and is supplied in an SOT-23-3L package.

Feature Summary

Programmable output voltage capability up to 28V via external resistor divider
Guaranteed 0.5% reference voltage tolerance for high precision applications
Temperature compensated operation across the full industrial range
Fast turn-on response and low output noise voltage

Applications

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

Procurement Notes

Verify that the specific suffix 'C' corresponds to the required 0.5% reference voltage tolerance. Confirm the 'SF' suffix indicates the SOT-23-3L package type. Ensure the procurement order specifies the reel packaging format as indicated in the ordering information table. Cross-reference the manufacturer HTC documentation for any recent revisions to the electrical characteristics or pin configuration.

Selection Notes

Select this component when a precise, low-cost shunt regulator is needed for voltages up to 28V. The 0.5% tolerance makes it suitable for applications requiring tighter accuracy than standard Zener diodes. Consider the SOT-23-3L package for space-constrained designs. Verify that the minimum cathode current requirement of 1mA can be met by the circuit design to ensure proper regulation.

Part Context

The TJR431 series serves as a replacement for traditional Zener diodes in many voltage reference and regulation applications. Manufactured by HTC under the Tae Jin Technology brand, it offers superior thermal stability and lower dynamic impedance compared to simple Zener solutions. The device is part of a family including variants with different tolerances and halogen-free options.