S-19405E49A-K8T2U4

Supervisors Overview

The S-19405E49A-K8T2U4 is a voltage monitor circuit manufactured by ABLIC Inc., designed for surface-mount installation in TMSOP-8 packages. It features a threshold voltage of 4.9 V and an active high CMOS output type. The device includes manual reset functionality and a built-in watchdog timer, with a reset delay time of 25 µs. It operates without battery backup switching and supports a maximum supply voltage of 6 V. The component functions within a temperature range of -40°C to +125°C.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Provides manual reset capability via dedicated input
• Delivers active high CMOS output signal upon voltage detection

Supervisors Applications

• Embedded system power supervision
• Microcontroller reset circuitry
• Industrial control unit monitoring

Supervisors Procurement Notes

Verify the specific suffix K8T2U4 against official ABLIC documentation to confirm package type and tape/reel specifications. Ensure the 4.9 V threshold matches the target application requirements. Confirm RoHS compliance status through the manufacturer's current datasheet before procurement.

Supervisors Selection Notes

Select this component when a 4.9 V threshold is required for systems operating up to 6 V. The active high output suits logic families requiring high-level signals for reset assertion. Verify that the TMSOP-8 footprint aligns with PCB layout constraints and thermal management needs for the intended operating environment.

Supervisors Part Context

This part belongs to the S-19405 series of supervisory circuits from ABLIC. The series is characterized by low current consumption and high accuracy voltage monitoring capabilities. It is engineered for use in portable and industrial electronics where reliable power management is critical for system stability.

Supervisors Replacement Considerations

Check ABLIC's official substitution guide for compatible parts with similar thresholds and packages. Verify pin compatibility and electrical characteristics before replacing existing inventory.