ISQ204-3SM

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204-3SM is a high-density phototransistor optically coupled isolator manufactured by Isocom Components. It features four independent channels within a single package, providing electrical isolation between input and output circuits. The device utilizes a plastic DIP-16 processing package structure. Key electrical specifications include a maximum operating temperature of 100°C and a minimum operating temperature of -25°C. It supports a maximum input control current of 50 mA and offers a maximum insulation voltage of 5300 V. The collector-emitter breakdown voltage is rated at a minimum of 70 V, with a maximum collector dark current of 50 nA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel transistor output configuration for multi-circuit isolation
• High insulation voltage rating for robust signal separation
• Optimized for high-density PCB layouts

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Multi-channel data acquisition interfaces
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '-3SM' against official manufacturer documentation to confirm pinout compatibility and packaging variations. Ensure the component meets required RoHS compliance standards for your assembly process. Cross-reference the UL recognition file number E91231 if safety approvals are mandatory for the end application.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact footprint. Compare the 5300 V insulation rating against system isolation requirements. Evaluate the 70 V collector-emitter breakdown voltage to ensure it exceeds the load voltage. Confirm that the 50 mA input current capability matches the driving circuit's output strength.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISQ204 series belongs to Isocom's family of high-density phototransistor optically coupled isolators. This series is designed to replace discrete optical coupling solutions in space-constrained designs. The ISQ204 variant specifically provides four channels, distinguishing it from single or dual-channel counterparts in the same product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check datasheets for equivalent quad-channel optocouplers with matching 5300 V isolation and DIP-16 packages. Verify pin-to-pin compatibility before substitution.