ISQ204X-3SMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204X-3SMT&R is a low input current phototransistor optically coupled isolator manufactured by Isocom Components. It integrates an infrared light emitting diode and an NPN silicon photo transistor within a surface mount plastic package. The device provides high isolation voltage of 5.3kVRMS and 7.5kVPK, ensuring reliable signal transmission between systems with different potentials. Key electrical parameters include a minimum current transfer ratio of 50% and a high collector-emitter breakdown voltage (BVCEO) of 70V minimum.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Low input current operation for efficient drive requirements
• High current transfer ratio ensuring robust signal coupling
• High isolation voltage capability for safety-critical applications
• Surface mount packaging for automated assembly integration

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals
• Industrial systems controllers
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'X' against official Isocom documentation to confirm exact pinout and parameter variations compared to standard ISQ204 variants. Ensure the SMT&R designation matches the required tape and reel specifications for your manufacturing process. Cross-reference the datasheet for any recent updates to mechanical dimensions or thermal characteristics before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input current is critical to minimize power consumption in the driving circuit. The high BVCEO rating makes it suitable for environments requiring robust output stage protection. Consider the surface mount form factor for space-constrained PCB layouts. Validate that the 50% minimum CTR meets the noise margin requirements of the receiving logic interface.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISQ204 series of optically coupled isolators from Isocom Components. The series utilizes infrared LEDs and NPN silicon phototransistors. Variants are available in DIP and surface mount packages, with options for different lead spreads and tape-and-reel configurations. The family is designed for general-purpose digital isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: None found.