R3111D581B-TR-FE

Supervisors Overview

The R3111D581B-TR-FE is a CMOS-based low voltage detector manufactured by Nisshinbo Micro Devices. It operates within a supply voltage range of 0.7 V to 10 V and features a fixed detector threshold voltage of 5.8 V with an accuracy of ±2%. The device utilizes an SON1612-6 package and provides an open-drain output type. It functions without manual reset or watchdog timer capabilities, incorporating a backup battery switch feature. The component supports an operating temperature range from -40°C to +85°C.

Supervisors Feature Summary

• CMOS-based architecture designed for ultra-low supply current operation
• Fixed internal detector threshold voltage ensuring high accuracy without external adjustment
• Open-drain output configuration suitable for system reset applications

Supervisors Applications

• System reset circuits in portable electronic devices
• Voltage monitoring for battery-powered systems
• Backup power switching management

Supervisors Procurement Notes

Verify the specific suffix codes against official datasheets to confirm package type and output configuration. Ensure compatibility with the required threshold voltage and operating temperature range for the target application. Cross-reference manufacturer part numbers to avoid confusion with similar series variants.

Supervisors Selection Notes

Select this component when a precise 5.8 V detection level is required within a wide input voltage range. Consider the open-drain output requirement for interface logic levels. Evaluate the SON1612-6 package constraints against available PCB space and thermal requirements.

Supervisors Part Context

This part belongs to the R3111x series of low voltage detectors, which are characterized by high accuracy and low power consumption. The series offers various threshold voltages and output types to accommodate different supervisory circuit needs in compact form factors.

Supervisors Replacement Considerations

Direct substitutes include other R3111x series variants with matching threshold voltages and output types. Verify pinout compatibility and package dimensions before substitution.