IS621XG

Triac, SCR Output Optoisolators Overview

The IS621XG is a single-channel optoisolator manufactured by Isocom Components 2004 LTD, featuring a triac output designed for AC switching applications. It is housed in a 6-DIP package with a pin spacing of 0.400 inches (10.16mm). The device provides an isolation voltage of 5300Vrms and supports zero-crossing operation to minimize electrical noise. Key electrical specifications include a minimum static dV/dt rating of 600V/s. The component is classified as a bilateral switch light-activated triac output optoisolator, suitable for interfacing low-voltage control circuits with high-voltage AC loads while maintaining galvanic isolation.

Triac, SCR Output Optoisolators Feature Summary

• Zero-crossing detection capability for reduced electromagnetic interference during AC load switching
• High isolation voltage rating of 5300Vrms ensuring robust safety barriers between input and output circuits
• Bilateral triac output structure enabling AC current flow in both directions
• Standard 6-pin DIP packaging facilitating through-hole mounting on printed circuit boards

Triac, SCR Output Optoisolators Applications

• Solid-state relays for AC load control
• Motor speed controllers and servo machine digital control
• Industrial automation and process control systems
• Power supply digital programming and regulation

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix variant against the required application parameters, as Isocom offers multiple configurations within the IS62 series. Confirm that the 6-DIP package dimensions align with the target PCB footprint. Ensure the selected unit meets the necessary insulation coordination standards for the intended equipment category. Cross-reference the datasheet for exact timing characteristics if high-speed switching is involved. Validate compliance with relevant regional safety certifications prior to final integration.

Triac, SCR Output Optoisolators Selection Notes

Select this component when high-voltage AC isolation is required with minimal switching noise. The zero-crossing feature makes it ideal for resistive or inductive AC loads where turn-on transients must be limited. Consider the 5300Vrms isolation barrier for applications demanding strict safety separation. Evaluate the static dV/dt immunity to ensure reliability in noisy environments. Compare package constraints against available board space for standard DIP implementations.

Triac, SCR Output Optoisolators Part Context

The IS621XG belongs to the IS62 series of optoisolators from Isocom Components 2004 LTD, a manufacturer with extensive history in infrared optoelectronics. This series focuses on providing industry-standard replacements for legacy components. The company maintains production capabilities in Malaysia and testing facilities in the UK, ensuring consistent quality. The IS62 series is widely used in industrial and commercial applications requiring reliable AC switching isolation.

Triac, SCR Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly documented in the provided source material. Users should consult official distributor cross-reference tools or contact Isocom Components directly for verified equivalent part numbers based on specific electrical requirements.