ISD74G

Transistor, Photovoltaic Output Optoisolators Overview

The ISD74G is a dual-channel optoisolator from the Isocom ISD series, housed in an 8-pin PDIP package. It features DC input and photovoltaic output devices. Key electrical parameters include a maximum forward voltage of 1.65V, a typical rise time of 2.6μs, and a typical fall time of 2.2μs. The device supports a maximum input current of 50mA and offers an isolation voltage of 5.3kVrms. Operating temperatures range from -25°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous signal isolation
• Photovoltaic output technology for zero-bias operation
• High isolation voltage capability for safety-critical circuits
• Compliance with CECC 0080, EN60950, UL, and VDE 0884 standards

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Microcontroller interface circuits
• Signal transmission across isolated ground planes
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (X or G) against official Isocom documentation, as suffixes may indicate packaging variations or specific manufacturing lot codes rather than functional differences. Confirm that the 8-pin DIP package matches your PCB footprint requirements. Ensure compliance with relevant regional safety certifications such as UL or VDE if required for your final product assembly.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is necessary within a single package to save board space. The photovoltaic output type is suitable for applications requiring low leakage current and zero bias voltage at the output. Consider the 5.3kVrms isolation rating for high-voltage separation needs. Verify thermal performance within the -25°C to 100°C operating range for your specific environment.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISD74G belongs to the Isocom ISD series of optocouplers, designed for general-purpose isolation tasks. It complements other variants like the ISD74X by offering similar electrical characteristics in a standardized 8-pin DIP format. This series is widely used in industrial and consumer electronics where reliable signal transfer between isolated domains is critical.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing with generic industry equivalents requires independent verification of pinout compatibility and electrical specifications.