ISP624-4XSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP624-4XSM is a surface-mount, four-channel transistor output optocoupler manufactured by Isocom Components. It provides electrical isolation between input and output circuits using an infrared LED and phototransistor array within a single package. The device features a plastic DIP-16 footprint adapted for surface mounting, offering high-density integration for multi-channel signal transmission. Key electrical characteristics include a minimum collector-emitter breakdown voltage of 35 V, a maximum forward current of 50 mA, and a nominal current transfer ratio of 100%. It supports an operating temperature range from -55 °C to 100 °C and complies with RoHS standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels integrated into a single compact surface-mount package
• High isolation voltage capability for safe circuit separation
• Standardized pinout compatible with common through-hole DIP-16 footprints
• RoHS compliant construction for environmental safety

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Data communication interfaces for noise immunity
• Power supply monitoring and protection circuits
• Automated testing equipment signal routing

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XSM' against the manufacturer's official datasheet to confirm surface-mount compatibility and pin configuration. Ensure the ordering code matches the required channel count and package type. Cross-reference UL recognition numbers if regulatory compliance is mandatory for the end application. Confirm lead times and availability directly with authorized distributors as stock levels fluctuate.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are needed in a space-constrained design. Compare the current transfer ratio and breakdown voltage requirements against the target circuit specifications. Consider the thermal dissipation capabilities of the surface-mount package relative to the ambient operating conditions. Verify that the input forward voltage drop aligns with the driving logic levels available in the system.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to Isocom Components' ISP series of phototransistor optically coupled isolators. The series is designed to replace standard industry types with flexible manufacturing options. Isocom specializes in providing alternatives for discontinued or hard-to-find components, often offering customized parameter selections to meet specific customer circuit design requirements while maintaining global industry standards.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes such as the TLP624-4 or generic quad-channel transistor output optocouplers. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Ensure the replacement part meets the same isolation voltage and temperature rating requirements.