ZR431LF01TC

$0.32

Description：IC VREF SHUNT ADJ 1% SOT23
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)

SKU:7d70574c208f Category: Voltage Reference Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 1% SOT23
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：1.24V
Voltage - Output (Max)：10 V
Current - Output：25 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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ZR431LF01TC

Overview

The ZR431LF01TC is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It provides an output voltage range of 1.24V to 10V, set via external resistors. The device features a 1% initial accuracy tolerance and a maximum temperature coefficient of 50ppm/°C. Operating conditions include a cathode voltage up to 10V and a recommended cathode current range of 0.1mA to 25mA. It operates within a temperature range of -40°C to +85°C and utilizes a surface-mount SOT-23 package.

Feature Summary

Temperature compensated for operation over the full industrial temperature range
Programmable output voltage between 1.24V and 10V using two external divider resistors
Totally lead-free and fully RoHS compliant with halogen and antimony free construction

Applications

Shunt regulator circuits
Series regulator configurations
Voltage monitoring systems
Over voltage and under voltage protection
Switch mode power supplies feedback control loops

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape-and-reel quantity. Confirm RoHS compliance status and environmental declarations prior to procurement. Ensure the selected variant matches the required electrical tolerances and operating temperature specifications for the intended application environment.

Selection Notes

Select this component when a low-cost, programmable reference is needed for industrial temperature ranges. The 1% tolerance suits applications requiring tighter regulation than standard zener diodes. Verify that the circuit design accommodates the minimum cathode current requirement of 100µA for proper regulation. Consider the SOT-23 package dimensions for PCB layout constraints.

Part Context

The ZR431L series serves as a replacement for traditional zener diodes where improved performance is required. It belongs to the broader ZR431 family of adjustable precision shunt regulators. The device integrates a bandgap reference and error amplifier to maintain stability across varying load and temperature conditions.