ISP621-1XBLSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-1XBLSM is a surface-mount, single-channel optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a compact SMD package. Key electrical specifications include a minimum current transfer ratio of 50%, a high isolation voltage of 5300Vrms, and a collector-emitter breakdown voltage (BVCEO) of at least 55V. The device supports a maximum forward input current of 50mA and operates within a temperature range of -30°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-density surface-mount packaging for space-efficient circuit design
• High isolation voltage capability for safe potential separation
• Guaranteed minimum current transfer ratio for reliable signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interfaces
• Industrial system controllers
• Measuring instruments
• Signal transmission between systems of different potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XBLSM' against official Isocom documentation to confirm exact pinout, lead finish, and tape-and-reel specifications. Ensure the selected variant matches the required surface-mount footprint and thermal characteristics for the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel, high-isolation surface-mount solution is required. Consider the 50% minimum CTR and 55V BVCEO limits. Verify compatibility with existing PCB footprints and ensure operating temperatures remain within the specified -30°C to +100°C range.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP621 series family, which features infrared LEDs paired with NPN phototransistors. Isocom offers various configurations including through-hole DIP and surface-mount options, often providing alternatives to discontinued industry-standard components with customizable electrical parameters.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements may include other single-channel surface-mount optocouplers from the same family or equivalent industry standards with matching 5300Vrms isolation and similar CTR specifications.