RS811-2.63YA4

Overview

The RS811-2.63YA4 is a single-channel voltage supervisor manufactured by Runic Technology, designed for monitoring power supply integrity in electronic systems. It operates within an ambient temperature range of -40°C to +125°C and utilizes a SOT-143 surface-mount package, equivalent to TO-253AA. The device features a bidirectional output interface and provides a fixed reset timeout period of 200ms. It monitors one specific voltage threshold, ensuring reliable system reset functionality under varying thermal conditions.

Feature Summary

• Single-channel voltage monitoring with bidirectional output capability
• Extended operating temperature range suitable for industrial applications
• Compact SOT-143 surface-mount packaging for space-constrained designs

Applications

• Industrial control systems requiring voltage supervision
• Consumer electronics needing reliable power-on reset
• Automotive electronic modules operating in high-temperature environments

Procurement Notes

Verify the exact manufacturer part number against official Runic Technology documentation to ensure authenticity. Confirm that the SOT-143 package variant matches your PCB footprint requirements. Check datasheet specifications for the precise reset threshold voltage corresponding to the 2.63 suffix to ensure compatibility with your target supply rail. Ensure storage and handling procedures comply with moisture sensitivity levels defined in the manufacturing data sheet.

Selection Notes

Select this component when a single voltage channel with a 200ms timeout is required. The bidirectional output allows flexibility in interfacing with different logic families. The wide temperature range supports deployment in harsh environments. Verify that the monitored voltage level aligns with the specific application's brown-out detection needs before finalizing the design.

Part Context

This supervisor belongs to Runic Technology's line of monitoring and reset integrated circuits. These components are engineered to provide stable reset signals during power-up and power-down sequences. The series typically includes various threshold voltages and timeout periods to accommodate diverse system architectures and voltage rails across multiple product categories.

Replacement Considerations

Consult official substitution lists from Runic Technology for direct replacements. Ensure any alternative component matches the SOT-143 package and bidirectional output characteristics. Verify that the replacement offers identical or compatible reset thresholds and timeout durations to maintain system reliability without redesigning the circuit layout.