ISQ74X

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ74X is a quad optocoupler manufactured by Isocom Components 2004 LTD. It features four independent channels within a single 16-pin DIP package. The device utilizes infrared LEDs coupled to NPN silicon phototransistors for signal isolation. Key electrical parameters include a maximum forward voltage of 1.65V and a maximum input current of 50mA. The unit provides an insulation voltage (Uinsul) of 5.3kVrms. It operates within a temperature range of -25°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-density integration with four isolated channels in a standard through-hole package
• Ensures robust electrical isolation between input and output circuits using infrared technology
• Designed for high-reliability applications requiring galvanic separation

Transistor, Photovoltaic Output Optoisolators Applications

• High-density digital signal isolation
• Industrial control systems
• Microprocessor interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific datasheet version from Isocom Components 2004 LTD to confirm pinout compatibility and absolute maximum ratings. Ensure that the 5.3kVrms insulation rating meets the safety requirements of the target application environment. Cross-reference the 16-pin DIP footprint dimensions with the PCB layout specifications before finalizing component selection.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact form factor. The 16-pin DIP configuration facilitates easy prototyping and through-hole assembly. Consider the 50mA input current limit and 5.3kV isolation barrier when designing circuits involving high-voltage noise environments or sensitive low-power logic interfaces.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the family of transistor-output optoisolators produced by Isocom Components 2004 LTD. It serves as a solution for galvanic isolation in electronic systems, replacing discrete components with a unified multi-channel module. The device is distinct from dual-channel variants due to its higher channel count and corresponding 16-pin package structure.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other quad optocouplers with identical 16-pin DIP footprints and comparable 5.3kV isolation ratings. Verify pin-to-pin compatibility and matching electrical characteristics such as current transfer ratio and propagation delay before substitution.