IS2805-4

Overview

The IS2805-4 is a four-channel transistor output optocoupler manufactured by Isocom Components. It integrates infrared light-emitting diodes with NPN silicon phototransistors on hybrid substrates, designed for high-density mounting applications. The device provides electrical isolation between input and output circuits. Key specifications include a maximum collector-emitter voltage of 80 V, an isolation voltage rating of 2500 Vrms, and a typical rise time of 3 μs with a fall time of 5 μs. It operates within a temperature range of -55 °C to +100 °C.

Feature Summary

• Four independent channels integrated into a single compact package for space-efficient circuit design
• High-speed switching capability suitable for demanding digital signal transmission
• Robust electrical isolation barrier ensuring safety in high-voltage environments

Applications

• Programmable logic controllers requiring dense I/O isolation
• Hybrid substrate assemblies for high-density electronic modules
• Industrial automation systems needing reliable signal transfer across isolated boundaries

Procurement Notes

Verify the specific suffix or variant against official Isocom documentation to ensure compatibility with required isolation ratings and pin configurations. Confirm that the component meets all necessary safety certifications for the target application environment before integration.

Selection Notes

Select this component when multiple isolated channels are required in a limited footprint. Ensure the system voltage does not exceed the 80 V collector-emitter limit and verify that the 2500 Vrms isolation rating aligns with the circuit's safety requirements.

Part Context

This part belongs to the IS280 series of optocouplers from Isocom Components, which focuses on compact, high-reliability optoelectronic devices. The series utilizes hybrid substrate technology to achieve high channel density while maintaining standard performance metrics for industrial and commercial electronics.

Replacement Considerations

Public confirmed substitute part numbers: PS2805-4.