ISD203XSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISD203XSM is a surface-mount optically coupled isolator from the Isocom ISP series. It integrates an infrared LED with an NPN silicon phototransistor in a space-efficient plastic package. Key electrical parameters include a minimum collector-emitter breakdown voltage (BVCEO) of 70V and a high isolation voltage of 5.3kVRMS (7.5kVPK). The device features a single channel, operates within a temperature range of -30°C to 100°C, and has a typical rise time of 4μs and fall time of 3μs. It carries UL recognition for safety compliance.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability of 5.3kVRMS for robust signal transmission between systems of different potentials.
• NPN silicon phototransistor output provides high BVCEO of 70V minimum for reliable switching.
• Surface mount construction offers space efficiency for dense circuit board layouts.

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 'XSM' against official Isocom documentation to confirm surface mount configuration and lead spread specifications. Ensure compatibility with automated placement equipment due to the SMD package type. Confirm that the 5.3kVRMS isolation rating meets the safety requirements of the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and compact surface mount packaging are required. The NPN phototransistor output suits applications needing moderate speed and high breakdown voltage. Consider the 4μs/3μs rise/fall times for signal integrity in industrial control loops.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISD203XSM belongs to the ISD20* series of high-density phototransistor optically coupled isolators. This series combines infrared LEDs with NPN silicon phototransistors in dual-in-line plastic packages. The 'SM' suffix denotes the surface mount variant, while 'X' may indicate specific tape-and-reel or lead spread options as per manufacturer coding.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Cross-reference with other Isocom ISP series components such as IS203SM for similar isolation and package characteristics if direct substitution is needed.