ISD203X

Transistor, Photovoltaic Output Optoisolators Overview

The ISD203X is a transistor output optocoupler from the ISD20* series by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a surface mount plastic package-6 configuration. Key electrical specifications include a minimum collector-emitter breakdown voltage (BVCEO) of 70 V and a maximum insulation voltage of 5300 Vrms. The device features a nominal current transfer ratio of 225% and a maximum dark power of 50 nA. It supports a maximum forward current of 0.05 A and is UL recognized.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe signal transmission between systems of different potentials
• Space-efficient surface mount packaging design
• 100% tested electrical parameters ensuring reliability

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 against the manufacturer's datasheet to confirm package type and tape/reel options. Ensure compliance with RoHS and Reach requirements as indicated in official documentation. Confirm lead spread dimensions if through-hole variants are considered, though this model specifies surface mount. Cross-reference part numbers carefully to avoid confusion with similar series components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and compact surface mount form factors are required. Consider the 70V BVCEO rating for appropriate circuit protection needs. Evaluate the 225% CTR for driving subsequent logic stages. Verify thermal management requirements based on the 50nA dark current specification in low-power applications.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the ISD20* series of high-density phototransistor optically coupled isolators manufactured by Isocom Components. The series utilizes infrared light emitting diodes paired with NPN silicon photo transistors. These components are designed for efficient space utilization in dual in line or surface mount plastic packages, offering robust isolation for electronic circuits.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.