R3112N281C-TR-FE

Supervisors Overview

The R3112N281C-TR-FE is a supervisory circuit from the R3112N series manufactured by Nisshinbo Micro Devices. It functions as a low voltage detector with an output delay feature utilizing an external capacitor type configuration. The device operates within a supply voltage range of 0.7 V to 6 V and features a threshold voltage of 2.8 V with 2% accuracy. It provides an open-drain output and includes battery backup switching capabilities. The component is housed in an SOT-23-5 package and supports surface mount installation.

Supervisors Feature Summary

• Integrates low voltage detection with output delay functionality for system stability
• Supports battery backup switching to maintain monitoring during power transitions
• Features high detector threshold accuracy for reliable voltage supervision

Supervisors Applications

• Low voltage system monitoring
• Battery backup switching circuits
• Voltage supervisor applications requiring output delay

Supervisors Procurement Notes

Verify the specific suffix C-TR-FE against official datasheets to confirm the output delay type and package variant. Ensure compatibility with the required threshold voltage and operating temperature range before integration. Confirm RoHS compliance status through manufacturer documentation.

Supervisors Selection Notes

Select this component when a low voltage detector with output delay is required for systems operating between 0.7 V and 6 V. The SOT-23-5 package suits space-constrained designs. Verify that the open-drain output interface matches the downstream logic requirements.

Supervisors Part Context

This part belongs to the R3112N series of CMOS-based voltage detectors designed for ultra-low supply current operation. The series offers high accuracy and is suitable for portable devices and battery-powered equipment where power efficiency is critical.

Supervisors Replacement Considerations

Check for other R3112N variants with different threshold voltages or packages if electrical parameters do not match. Consult official substitution lists for direct pin-compatible alternatives.