ILQ74SM

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ74SM is a quad-channel optocoupler from the ISD series by Isocom Components, housed in an 8-pin PDIP package. It features DC input and transistor output configurations with a maximum forward voltage of 1.65V and a maximum input current of 50mA. The device provides an isolation voltage of 5.3kVrms and operates within a temperature range of -25°C to 100°C. Key electrical parameters include a typical rise time of 2.6μs, a typical fall time of 2.2μs, a minimum current transfer ratio of 12.5%, and a maximum current transfer ratio of 400%. It holds CECC 0080, EN60950, UL, and VDE 0884 certifications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using light transmission
• Features a quad-channel configuration for multi-signal processing
• Utilizes a through-hole mounting style for robust mechanical attachment

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Data communication interfaces needing noise immunity
• Power supply feedback loops for safety compliance

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' against official manufacturer documentation to confirm exact packaging or variant specifications. Ensure that the required certifications such as UL and VDE are explicitly listed for this part number in the datasheet. Cross-reference the pinout and electrical limits with the latest official component data to prevent integration errors.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high channel density is required in a standard DIP package. Consider the 5.3kVrms isolation rating for applications demanding significant voltage separation. Evaluate the current transfer ratio range to ensure compatibility with the driving circuit's logic levels and the load requirements of the receiving side.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the ISD series of optocouplers, designed for general-purpose isolation tasks. The series offers various channel counts and packages to suit different board space and performance needs. The ILQ74SM specifically addresses applications requiring four isolated channels in a compact through-hole format.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes within the same manufacturer's portfolio that share identical pinouts and electrical characteristics. Verify that any alternative part meets the same certification standards and isolation voltage requirements.