LM4041BECT-1.2

Overview

The LM4041BECT-1.2 is a micropower shunt voltage reference manufactured by STMicroelectronics, providing a fixed typical output voltage of 1.225 V. It features an initial accuracy of ±0.2% at 25 °C and a maximum temperature coefficient of 100 ppm/°C. The device operates with a low cathode current of 50 µA and supports a maximum output current of 12 mA. It is housed in a SOT-323-5 surface mount package and functions within an extended temperature range of -40 °C to +125 °C.

Feature Summary

• Provides stable 1.225 V reference output with high precision
• Ultra-low operating current suitable for power-restricted designs
• Maintains stability when used with capacitive loads without external components

Applications

• Space-saving portable electronic designs
• Power-restricted circuit applications
• Broad-range application conditions requiring stable references

Procurement Notes

Verify the specific suffix 'ECT' corresponds to the required package (SOT-323-5), accuracy grade (±0.2%), and temperature range (-40°C to +125°C). Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications before ordering.

Selection Notes

Select this component for applications demanding high precision (±0.2%) and low power consumption in compact form factors. Ensure the design accommodates the 12 mA maximum sink current and verify that the 100 ppm/°C temperature coefficient meets thermal stability requirements across the specified operating range.

Part Context

This part belongs to the LM4041 family of micropower shunt voltage references from STMicroelectronics. The family offers various accuracy grades and packages, including SOT23-3L and SOT323-5L, designed for applications where space and power efficiency are critical constraints.

Replacement Considerations

LM4041AECT-1.2: Similar shunt reference with ±0.1% accuracy in SOT-323-5 package.