ISQ74XG

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ74XG is a quad optocoupler manufactured by Isocom Components 2004 LTD. It features four independent channels, each comprising an infrared LED and an NPN silicon phototransistor. The device utilizes a 16-pin DIP through-hole package for high-density mounting. Key electrical specifications include a maximum isolation voltage of 5300Vrms, a maximum forward voltage of 1.65V, and a maximum input current of 50mA. The typical rise time is 2.6µs, while the typical fall time is 2.2µs. Current transfer ratios range from 12.5% minimum to 400% maximum.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels provide high-density signal isolation within a single component.
• High isolation voltage capability ensures robust separation between input and output circuits.
• Fast switching speeds with low rise and fall times support efficient digital signal transmission.
• Through-hole packaging facilitates reliable integration into standard printed circuit board layouts.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel isolation
• Data communication interfaces needing galvanic separation
• Power supply feedback loops for safety compliance

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XG' against official Isocom documentation to confirm exact tape-and-reel or tube packaging configurations. Ensure that the 16-pin DIP footprint matches your PCB design constraints. Cross-reference certification marks such as UL and VDE if regulatory compliance is mandatory for your end product. Confirm operating temperature ranges align with your environmental requirements before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact form factor. The quad configuration reduces board space compared to using individual single-channel units. Consider the 5300Vrms isolation rating for applications involving high-voltage noise environments. Evaluate the current transfer ratio specifications to ensure adequate signal gain for your logic levels. Verify pin compatibility if replacing legacy components in existing designs.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components 2004 LTD specializes in infrared optoelectronic devices with extensive industry experience. The ISQ74XG belongs to their transistor output optocoupler lineup, designed for general-purpose isolation tasks. This series emphasizes reliability and compliance with international safety standards. The company provides comprehensive datasheets detailing electrical characteristics and mechanical dimensions for engineering integration.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult official Isocom documentation or distributor databases for equivalent quad-channel optocouplers with matching pinouts and isolation ratings. Verify functional compatibility before substituting any component in critical applications.