ZR431FTA

$0.91

Description：IC VREF SHUNT ADJ 2% SOT23
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f29fac6ebabb Category: Voltage Reference Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 2% SOT23
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：20 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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ZR431FTA

Overview

The ZR431FTA is a three-terminal adjustable precision Zener shunt regulator manufactured by Diodes Incorporated. It provides excellent temperature stability and an output current handling capability up to 100mA. The output voltage is programmable between 2.5V and 20V using two external divider resistors. This device offers a ±2% tolerance, a maximum temperature coefficient of 72ppm/°C, and operates over a full temperature range. It serves as a high-performance replacement for standard Zener diodes in various electronic circuits.

Feature Summary

Programmable output voltage settable between 2.5V and 20V via external resistors
Temperature compensated for stable operation across the full operating range
Capable of sinking cathode currents from 50μA to 100mA
Low output noise characteristics suitable for precision applications

Applications

Shunt regulators
Series regulators
Voltage monitors
Overvoltage and undervoltage protection circuits
Switch mode power supplies

Procurement Notes

Verify that the specific part number matches the required tolerance grade and package type before ordering. Confirm compliance with RoHS 3 and Halogen-free requirements if environmental standards are mandatory for your assembly process. Ensure the design accounts for the absolute maximum ratings, particularly regarding junction temperature and power dissipation limits under varying ambient conditions.

Selection Notes

Select this component when a precise, adjustable reference voltage is needed within the 2.5V to 20V range. The ±2% tolerance makes it suitable for general-purpose regulation where tighter tolerances are not critical. Consider the SOT23 surface-mount package for compact designs requiring low profile integration into PCB layouts.

Part Context

The ZR431 series represents an adjustable precision Zener shunt regulator family designed to replace traditional Zener diodes. Manufactured by Diodes Incorporated, these devices offer superior temperature stability and current handling compared to standard Zeners. The ZR431FTA specifically denotes the version with 2% tolerance housed in an SOT23 package.