S-19103N45H-M5T1U

Supervisors Overview

The S-19103N45H-M5T1U is a supervisory circuit manufactured by ABLIC Inc., belonging to the S-19103/19109 series. It functions as a voltage detector with an open-drain output type and active-low reset signal. The component features a threshold voltage of 4.5 V and operates within a power supply voltage range from 1.2 V to 10 V. It provides a standard reset delay time of 26 ms and maintains accuracy within 2.5%. The device supports manual reset functionality and includes a battery backup switch feature. It is designed for surface mount installation in SC-74A, SOT-753 packages, operating reliably between -40°C and +105°C.

Supervisors Feature Summary

• Provides precise voltage monitoring with high accuracy for system supervision
• Supports manual reset capability for controlled system recovery
• Includes battery backup switch function to maintain detection during power transitions
• Features open-drain output compatible with various logic levels

Supervisors Applications

• Monitoring power supply voltages in embedded systems
• Supervising battery-powered devices requiring backup switching
• Ensuring system stability in industrial control applications
• Providing reset signals for microcontrollers in automotive electronics

Supervisors Procurement Notes

Verify the specific threshold voltage and package configuration against project requirements before ordering. Confirm availability and lead times directly with authorized distributors or the manufacturer, as production cycles may vary. Ensure compliance with RoHS and REACH regulations for your target market. Check if the active-low output polarity matches your system's input logic requirements. Validate thermal performance within the specified operating temperature range.

Supervisors Selection Notes

Choose this component when a 4.5 V threshold is required for voltage supervision. Consider the open-drain output if level shifting or wired-OR configurations are needed. The manual reset feature is suitable for applications requiring deterministic recovery sequences. Verify that the 26 ms delay meets the timing constraints of the monitored circuit. Ensure the SOT-753 package fits the PCB layout constraints.

Supervisors Part Context

This part belongs to the S-19103 series of voltage detectors from ABLIC Inc., designed for high-precision power management. It complements other variants in the series offering different threshold voltages and output types. The series is characterized by low current consumption and robust performance across wide temperature ranges, making it suitable for demanding electronic environments.

Supervisors Replacement Considerations

S-19103N45H-N4T2U offers similar specifications with a different package option.