ZR285R01

Overview

The ZR285R01STOA is a shunt voltage reference from Diodes Incorporated, providing a fixed output of 2.5 V with an initial accuracy of 1%. It operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 90 PPM/°C. The device supports a maximum shunt current of 20 mA and a minimum operating current of 20 µA. It is housed in an E-Line-3 through-hole package.

Feature Summary

• Provides a stable 2.5 V reference voltage with 1% initial accuracy
• Operates with low knee voltage characteristics for efficient power usage
• Designed for through-hole mounting in compact E-Line-3 packages

Applications

• Precision analog-to-digital converter (ADC) reference inputs
• Digital-to-analog converter (DAC) voltage references
• Battery-powered instrumentation requiring stable bias voltages

Procurement Notes

Verify component authenticity and datasheet alignment before integration. Confirm RoHS compliance status as indicated in official documentation. Check for obsolescence notices or lifecycle changes directly from the manufacturer. Ensure packaging specifications match assembly requirements. Validate thermal performance against application constraints.

Selection Notes

Select this component when a low-cost, through-hole shunt reference is required for 2.5 V applications. Consider the 90 PPM/°C temperature coefficient for thermal stability needs. Evaluate the 20 mA maximum current capability against load requirements. Compare package dimensions against PCB layout constraints.

Part Context

This part belongs to the ZR285 series of precision shunt voltage references manufactured by Diodes Incorporated. The series offers various output voltages and accuracies for general-purpose power management and signal conditioning applications.

Replacement Considerations

ZR285Y01STOA is a documented alternative within the same product family.