ZR431FTC

Overview

The ZR431FTC is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It functions as a low-voltage reference with guaranteed thermal stability across the full operating temperature range. The device features sharp turn-on characteristics, low temperature coefficient, and low output impedance, making it suitable for replacing Zener diodes in various electronic circuits. The output voltage is programmable using two external resistors, allowing configuration within a specific wide range. This component is designed for applications requiring precise voltage regulation and stability.

Feature Summary

• Wide programmable precise output voltage capability
• High stability under capacitive load conditions
• Low temperature deviation ensuring consistent performance

Applications

• Switching power supplies
• Battery chargers
• Motherboard voltage regulation
• Adjustable regulators

Procurement Notes

Verify the exact suffix 'FTC' against official Diodes Incorporated documentation to confirm package type and tolerance specifications. Ensure compatibility with existing circuit designs regarding thermal stability and output impedance requirements before procurement.

Selection Notes

Select this component when a low-cost, high-precision adjustable reference is needed to replace standard Zener diodes. Consider its low temperature coefficient and stability under capacitive loads for sensitive analog or power management applications requiring reliable voltage referencing.

Part Context

This part belongs to the AZ431L series of low voltage adjustable precision shunt regulators from Diodes Incorporated. The series is characterized by its ability to provide stable reference voltages with minimal drift over temperature variations, serving as a critical component in modern power supply designs.

Replacement Considerations

Check for direct pin-compatible alternatives such as other AZ431 variants if the specific 'FTC' suffix package is unavailable. Verify that substitute parts maintain the same output voltage range and thermal stability characteristics.