S-80821CNUA-B8GT2U

Supervisors Overview

The S-80821CNUA-B8GT2U is a voltage detector manufactured by ABLIC Inc. It monitors a single input voltage with a threshold of 2.1 V. The device features an active low, open drain output and operates within a supply voltage range up to 10 V. It provides high accuracy of 2% and includes a reset delay time of 60 µs. The component functions without manual reset or watchdog timer capabilities. It is designed for surface mount installation in SOT-89-3 packages and supports operation across temperatures from -40 °C to +85 °C.

Supervisors Feature Summary

• Provides precise monitoring of a single power supply rail with high detection accuracy
• Features an active low open-drain output interface for direct logic connection
• Operates efficiently with ultra-low current consumption suitable for battery-powered systems

Supervisors Applications

• Portable electronic devices requiring reliable power management
• Battery-operated equipment needing undervoltage protection
• Embedded systems utilizing microcontrollers that require stable reset signals

Supervisors Procurement Notes

Verify the specific suffix B8GT2U against official ABLIC documentation to confirm package type and electrical characteristics. Ensure compatibility with existing PCB footprints for the SOT-89-3 configuration. Cross-reference datasheet revisions to validate performance parameters such as threshold voltage and operating temperature ranges before finalizing procurement decisions.

Supervisors Selection Notes

Select this component when a compact solution for single-channel voltage supervision is required. The SOT-89-3 package offers space efficiency compared to larger alternatives. Consider the 2.1 V threshold and 60 µs delay for timing-sensitive applications. Verify that the open-drain output aligns with the system's logic level requirements and pull-up resistor configurations.

Supervisors Part Context

This part belongs to the S-808xxC series of voltage detectors from ABLIC. The series is characterized by CMOS technology implementation, ensuring low power consumption and high reliability. These components are widely used in consumer electronics and industrial applications where precise power monitoring is critical for system stability and safety.

Supervisors Replacement Considerations

Check for equivalents like S-80821CNNB-B8GT2G which shares similar electrical specifications but may differ in package style. Confirm pinout compatibility and thermal performance before substitution.