ISP321-4SM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-4SM is a high-density surface mount optoisolator manufactured by Isocom Components. It features four independent channels within a single 16-SMD package, providing robust electrical isolation for multi-channel signal transmission. The device utilizes a phototransistor output configuration to ensure reliable data transfer across isolated circuits. Designed for compact board layouts, it offers a 5300Vrms isolation voltage rating, making it suitable for applications requiring significant noise immunity and safety separation between input and output domains.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent optical channels integrated into a single surface-mount package
• Phototransistor output configuration for digital signal isolation
• High dielectric isolation voltage capability for circuit protection
• Surface-mount design optimized for high-density PCB assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Multi-channel data acquisition systems
• Industrial control logic isolation
• Communication interface isolation
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against manufacturer documentation to confirm pinout and performance variations. Ensure the selected variant matches the required isolation voltage and channel count for the target application. Cross-reference with official datasheets to validate compatibility with existing circuit designs and regulatory standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a limited footprint. Evaluate the isolation voltage requirements against the system's operating conditions. Consider the surface-mount package type for automated assembly processes. Confirm that the phototransistor output characteristics align with the receiving circuit's input thresholds.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in replacing obsolete or hard-to-find optocouplers with high-reliability alternatives. The ISP series represents their high-density mounting solutions designed for modern electronic equipment. These components often serve as drop-in replacements for legacy parts while offering improved packaging efficiency and consistent performance standards.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for ISP321-4XSM as a potential variant with similar specifications but potentially different packaging or lead form. Verify pin compatibility before substitution.