S-1003NB42I-M5T1U

Supervisors Overview

The ABLIC S-1003NB42I-M5T1U is a supervisory circuit voltage detector manufactured by ABLIC Inc. It operates within a supply voltage range of 1.7 V to 6.0 V and features a fixed detection threshold of 4.2 V. The device provides a manual reset function with an active low output type, utilizing an open-drain configuration. It incorporates a delay time of 200 µs to prevent false triggering during power transitions. The component is designed for surface-mount installation in a compact SOT-23-5 package, ensuring reliable performance across the specified industrial temperature range.

Supervisors Feature Summary

• Integrates a manual reset capability allowing external control over system initialization states
• Provides precise voltage monitoring through a dedicated detection threshold mechanism
• Features an open-drain output structure compatible with various logic families

Supervisors Applications

• Microprocessor system supervision
• Battery-powered equipment monitoring
• Portable electronic device power management

Supervisors Procurement Notes

Verify the specific suffix codes against official datasheets to confirm exact threshold voltages and package variations. Ensure compatibility with existing PCB footprints and signal levels before integration. Cross-reference manufacturer documentation for any recent revisions or obsolescence notices to maintain supply chain stability and design continuity.

Supervisors Selection Notes

Select this component when a manual reset input is required alongside standard voltage monitoring functions. The open-drain output allows for flexible interfacing with different logic levels. Consider the 200 µs delay characteristic to ensure adequate stabilization time for the monitored power rail before asserting reset signals to downstream circuits.

Supervisors Part Context

This part belongs to the S-1003 series of supervisory circuits from ABLIC, which are CMOS-based voltage detectors designed for low-power applications. The series offers various threshold options and packaging configurations to suit diverse embedded system requirements while maintaining high accuracy and reliability standards.

Supervisors Replacement Considerations

Consult official substitution lists for equivalent parts with matching threshold voltages and manual reset functionality. Verify pinout compatibility and electrical specifications before replacing components in existing designs.