ISD203SMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISD203SMT&R is a single-channel optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a surface-mount plastic package. The device provides high isolation voltage of 5.3 kVrms and 7.5 kV peak. Key electrical parameters include a minimum collector-emitter breakdown voltage (BVCEO) of 70 V, a maximum forward current of 50 mA, and a typical rise time of 2 µs. All electrical parameters are 100% tested during manufacturing.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates infrared LED and NPN silicon phototransistor for signal transmission
• Provides high dielectric isolation between input and output circuits
• Features 100% electrical parameter testing for reliability

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms the surface-mount tape-and-reel packaging configuration. Ensure the component meets the required isolation voltage standards for the target application. Confirm that the 70V BVCEO rating is sufficient for the circuit's operating conditions. Check for any custom electrical selection requirements if standard parameters do not fit the design.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a surface-mount solution is required for galvanic isolation in low-to-medium speed applications. The 70V breakdown voltage supports general-purpose switching tasks. Consider the 5.3 kVrms isolation rating for safety compliance in industrial environments. Verify footprint compatibility with the PCB layout before finalizing the part number.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISD203 belongs to the ISD20* series of high-density phototransistor optically coupled isolators from Isocom Components. This series is designed for space-efficient dual-in-line plastic packages, with the SMT variant offering surface-mount convenience. The components are engineered to replace common commercial optocouplers while maintaining strict quality standards.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: IS203SM, ISQ203SM.