ISP321-4XGBSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-4XGBSMT&R is a surface-mount optically coupled isolator manufactured by Isocom Components. It features four channels of NPN phototransistor outputs driven by infrared LEDs, housed in a compact plastic package. The device provides high isolation voltage ratings and is designed for signal transmission between systems with different potentials. Key electrical parameters include a minimum collector-emitter breakdown voltage of 70V and a typical current transfer ratio suitable for logic interfacing.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel configuration for multi-signal isolation
• High isolation voltage capability
• NPN phototransistor output structure
• Surface-mount packaging for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial system controllers
• Signal transmission between systems of different potentials
• Computer terminals
• Power supply protection circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BSMT&R' against official Isocom documentation to confirm tape-and-reel packaging and lead spread dimensions. Ensure the 'XG' designation aligns with required regulatory approvals such as UL or VDE. Cross-reference the exact part number with manufacturer datasheets to validate pinout compatibility and thermal characteristics before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multi-channel isolation is required in a compact form factor. The four-channel design reduces board space compared to single-channel alternatives. Verify that the phototransistor output speed meets the application's timing requirements. Confirm that the isolation voltage rating exceeds the circuit's maximum working voltage.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP321 series of high-density phototransistor optically coupled isolators from Isocom Components. The series is designed for applications requiring reliable signal transmission across isolated boundaries. The specific model integrates four independent channels within a single package to simplify circuit design and reduce component count.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes within the ISP321 family or equivalent quad-channel phototransistor optocouplers from other manufacturers. Verify pin-to-pin compatibility and electrical parameter equivalence, particularly isolation voltage and current transfer ratio.