IS621XSMT&R

Triac, SCR Output Optoisolators Overview

The IS621XSMT&R is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a Triac output configured for zero-crossing switching applications. The device provides an isolation voltage of 5300Vrms between input and output circuits. It supports a peak repetitive off-state voltage of 600V for the triac output. The component is housed in a 6-pin surface-mount package, specifically identified as 6-SMD Gull Wing or SMD-6P. It operates within a temperature range of -40°C to 100°C.

Triac, SCR Output Optoisolators Feature Summary

• Zero-crossing detection capability for reduced electrical noise and EMI during AC load switching
• High isolation voltage rating ensuring robust separation between control and power circuits
• Surface-mount packaging design suitable for automated assembly processes

Triac, SCR Output Optoisolators Applications

• Solid-state relay (SSR) driver circuits
• AC motor speed control systems
• Lighting dimmer applications

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms the tape-and-reel packaging format required for high-volume surface-mount production lines. Confirm that the zero-crossing feature aligns with the target application's noise sensitivity requirements. Ensure the 600V off-state voltage rating exceeds the maximum line voltage peaks present in the circuit design to prevent breakdown.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is mandatory to minimize inrush current and electromagnetic interference in AC loads. The 5300Vrms isolation rating makes it suitable for mains-connected applications requiring strict safety compliance. Consider the 600V blocking voltage limit when designing for higher voltage industrial AC lines where standard 120V/230V ratings might be exceeded.

Triac, SCR Output Optoisolators Part Context

Isocom Components 2004 LTD specializes in infrared optoelectronic devices, including optocouplers and phototransistors. The company positions its products as alternatives to discontinued components from other manufacturers. This series falls under their general portfolio of high-performance infrared devices designed for industrial and commercial isolation needs.

Triac, SCR Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.