ZR431C01

Overview

The ZR431C01 is a three-terminal adjustable shunt voltage reference manufactured by Diodes Incorporated. It provides an output voltage range from 2.5V to 20V with an initial accuracy of ±1%. The device features a temperature coefficient of 50 PPM/°C and supports a maximum cathode current of 100 mA. It operates within a temperature range of -40°C to +85°C and is housed in a TO-92-3 (TO-226AA) through-hole package.

Feature Summary

• Adjustable shunt regulation architecture for precise voltage control
• High output current handling capability up to 100 mA
• Excellent temperature stability with low drift characteristics

Applications

• Precision power supply regulation circuits
• Battery charging management systems
• Voltage monitoring and protection interfaces

Procurement Notes

Verify the specific suffix C01 to confirm the ±1% tolerance variant, as other suffixes indicate different accuracies. Confirm RoHS compliance status for the specific manufacturing batch. Ensure the TO-92-3 through-hole package aligns with the target PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component when a through-hole solution is required for adjustable shunt regulation. It is suitable for designs needing up to 100 mA sink current. Compare against AS431 series if surface mount packaging or tighter tolerance specifications are necessary for the application constraints.

Part Context

This part belongs to the ZR431 family of programmable shunt regulators. It serves as a cost-effective alternative to fixed references in applications requiring variable output voltages. The component integrates a bandgap reference and error amplifier to maintain stable regulation across the specified operating conditions.

Replacement Considerations

ZR431LC02L offers similar functionality but with 2.5% accuracy and a lower maximum input voltage of 10 V.