LM4041AEX3-1.2-T

Overview

The LM4041AEX3-1.2-T is a micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 1.225 V with an initial accuracy of ±0.1% at 25 °C. The device operates within an extended temperature range of -40 °C to +125 °C and features a maximum temperature coefficient of 100 ppm/°C. It utilizes an SC-70-3 surface-mount package and supports a maximum shunt current of 15 mA.

Feature Summary

• Provides stable reverse breakdown voltage without requiring external stabilizing capacitors
• Maintains stability when used with capacitive loads
• Utilizes fuse and Zener-zap reverse breakdown or reference voltage trim during wafer sort for high precision

Applications

• Space-critical electronic designs
• Power restricted circuit applications
• Precision measurement systems

Procurement Notes

Verify the manufacturer designation, as this component originates from Maxim Integrated which is now part of Analog Devices Inc. Confirm the specific suffix matches the required package and tolerance grade. Ensure compatibility with existing supply chains following corporate acquisitions.

Selection Notes

Select this component for applications demanding high precision in minimal space. The low operating current makes it suitable for battery-powered devices. Verify that the load conditions remain within the specified shunt current limits to maintain regulation accuracy across the full temperature range.

Part Context

This part belongs to the LM4041-N series of precision micropower shunt voltage references. The family includes adjustable versions and various accuracy grades. The LM4041 series is designed to replace larger discrete components while offering superior thermal stability and lower power consumption compared to standard zener diodes.

Replacement Considerations

LM4041DIM3X-1.2/NOPB