ISP321-4SMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-4SMT&R is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components 2004 LTD. This device features four independent channels within a single surface-mount package, designed for efficient space utilization in compact electronic circuits. It utilizes infrared light emitting diodes paired with NPN silicon phototransistors to provide electrical isolation between input and output sections. The component supports a collector-emitter voltage of 50 mA current handling capability and offers a high isolation voltage rating of 5.3 kVrms. Packaged in a 16-pin Surface Mount DIP configuration, it facilitates automated assembly processes while maintaining robust signal transmission characteristics across isolated domains.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel architecture providing multiple isolated signal paths in a single component
• Surface mount packaging design enabling high-density board layout and automated placement
• High isolation voltage rating ensuring reliable separation between circuit domains
• Integration of infrared LEDs with NPN silicon phototransistors for consistent optical coupling

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Power supply units needing feedback loop isolation
• Communication interfaces demanding galvanic separation between data lines

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix codes on the ordering information to confirm the exact tape and reel packaging configuration required for your assembly line equipment. Ensure that the surface mount footprint dimensions match your PCB design guidelines precisely. Cross-reference the manufacturer part number with official distributor catalogs to confirm current availability status and lead times before finalizing procurement plans.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a constrained board area. The surface mount format is suitable for automated manufacturing environments. Consider the 5.3 kVrms isolation rating for applications involving significant potential differences between circuit grounds. Verify that the NPN transistor output characteristics align with the driving requirements of the downstream logic or interface circuits.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in producing high-performance optoelectronic devices, including optocouplers and photoelectric switches. The ISP321-4 series belongs to their range of high-density mounting phototransistor optically coupled isolators. These components are engineered to replace standard commercial optocouplers while offering specialized parameter selections tailored to specific circuit design needs. The brand emphasizes flexible manufacturing capabilities to support diverse industrial applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The ILQ2-X007T from Vishay is listed as an obsolete product with available substitutes from Isocom Components, such as the ILQ2SM or ILQ2XSMT&R. While these share similar functional categories, direct pin-to-pin compatibility or identical electrical parameters should be verified through detailed datasheet comparison before substitution.