ZRC500A03STOB

Overview

The ZRC500A03STOB is a precision micropower voltage reference providing a nominal output of 5.0V, manufactured by Diodes Incorporated. It utilizes a bandgap circuit design to achieve stable performance without requiring an external stabilizing capacitor. The device operates within a recommended current range of 25μA to 5mA and supports an absolute maximum reverse current of 25mA. It features a typical temperature coefficient of 30ppm/°C and maintains stability with capacitive loads. The component is housed in an E-Line package.

Feature Summary

• Bandgap circuit design ensures stable voltage reference without external capacitors
• Capable of withstanding transient effects and currents up to 200mA due to rugged construction
• Fast transient response reaching stable operating conditions in less than 10 microseconds
• Low knee current characteristic suitable for low power applications

Applications

• Battery powered and portable equipment
• Instrumentation systems
• Test equipment
• Metering and measurement systems

Procurement Notes

Verify the specific package suffix against the manufacturer's ordering information to ensure correct pin configuration and tolerance class. Confirm RoHS compliance status as manufacturing specifications may vary by production batch. Cross-reference the part number with official distributor databases to validate availability and sourcing channels before procurement.

Selection Notes

Select this component when space-saving surface mount or through-hole packages are required alongside high precision. The device is appropriate for designs needing fast transient response and operation without external stabilization components. Ensure the application current remains within the recommended 25μA to 5mA range for optimal accuracy and temperature coefficient performance.

Part Context

This component belongs to the ZRC500 series of precision voltage references from Diodes Incorporated. The series offers various tolerance classes and package options including SOT23, SO8, and E-Line styles. The ZRC500A03 variant specifically denotes a 3% tolerance version in the E-Line package format, designed for industrial temperature ranges.

Replacement Considerations

LM4040C50ILPR (Texas Instruments)

FAQ

Does the ZRC500A03 require an external capacitor for stability?

No, the ZRC500 design provides a stable voltage without an external capacitor and is stable with capacitive loads.

What is the typical temperature coefficient of the ZRC500A03?

The typical temperature coefficient is 30ppm/°C.