ZR40402R41STOA

Overview

The ZR40402R41STOA is a precision micropower voltage reference providing a nominal output of 4.1V with a 2% tolerance. It utilizes a bandgap circuit design and operates within a recommended current range of 60µA to 15mA, suitable for low-power applications. The device features a typical temperature coefficient of 20ppm/°C and a slope resistance of 0.55Ω. It is housed in an E-Line (TO-92 style) package and supports operation between -40°C and +85°C.

Feature Summary

• Bandgap circuit design ensures stable voltage without requiring external stabilizing capacitors.
• Capable of withstanding transient effects and currents up to 200mA due to rugged 20-volt processing.
• Superior switching capability allows the device to reach stable operating conditions within microseconds.

Applications

• Battery powered and portable equipment
• Metering and measurement systems
• Instrumentation and test equipment
• Data acquisition systems
• Precision power supplies

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type matches the E-Line (TO-92 style) designation. Ensure ordering suffixes align with required tolerance and packaging options. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Validate electrical characteristics against the provided datasheet limits before integration.

Selection Notes

Select this component for applications requiring a stable 4.1V reference with minimal external circuitry. The micropower design suits battery-operated devices where efficiency is critical. Consider the 2% tolerance and 20ppm/°C temperature coefficient for precision requirements. The TO-92 package offers through-hole mounting flexibility. Evaluate thermal dissipation capabilities if operating near maximum current limits.

Part Context

This part belongs to the ZR4040 series of precision voltage references manufactured by Diodes Incorporated. The series includes variants with different output voltages and tolerances. The ZR4040-4.1 specifically targets applications needing a 4.1V reference. The R suffix indicates the E-Line package configuration. This series is designed for industrial temperature ranges and robust performance.

Replacement Considerations

ZR40401R41

FAQ

Does the ZR40402R41STOA require an external capacitor for stability?

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

What is the recommended operating current range for this voltage reference?

The recommended operating current range is between 60µA and 15mA.