SFH618A-3SMT&R

Overview

The SFH618A-3SMT&R is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a transistor output with an integrated base for enhanced switching performance. The device provides a high isolation voltage of 5300Vrms, ensuring robust signal transmission across isolated circuits. It is housed in a compact 4-SMD surface-mount package, suitable for automated assembly processes. The component operates within a temperature range of -55°C to 100°C, supporting reliable function in demanding environments.

Feature Summary

• Single-channel design with transistor output and integrated base
• High isolation voltage rating of 5300Vrms for safe circuit separation
• Surface-mount packaging optimized for automated PCB assembly

Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal transmission between microcontrollers and high-voltage loads

Procurement Notes

Verify the specific suffix 'R' indicates reel packaging when sourcing. Confirm the manufacturer designation as Isocom Components 2004 LTD to ensure authenticity. Check datasheets for updated mechanical dimensions and thermal characteristics prior to integration into final designs.

Selection Notes

Select this component for applications requiring a compact footprint with high isolation capabilities. The integrated base feature distinguishes it from standard transistor outputs, potentially offering faster switching speeds. Ensure the 4-SMD form factor aligns with the available board space and soldering constraints of the target design.

Part Context

This part belongs to the SFH618 series of optoisolators, which are designed for general-purpose isolation tasks. The SMT variant facilitates modern surface-mount technology workflows. It serves as a bridge between low-voltage control logic and higher-voltage power stages in various electronic assemblies.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.