ISP321-4X

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-4X is a quad-channel optically coupled isolator manufactured by Isocom Components. It integrates four infrared light-emitting diodes with NPN silicon phototransistors to provide electrical isolation. The device features a 16-pin DIP package designed for high-density mounting applications. Key electrical specifications include an isolation voltage of 5300Vrms and a minimum current transfer ratio of 50%. The component operates within a temperature range of -30°C to 100°C, ensuring reliability in demanding industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using infrared LED and phototransistor technology
• Integrates four independent channels within a single compact package for space-efficient designs
• Utilizes NPN silicon phototransistors for robust signal transmission across the isolation barrier

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Data communication interfaces needing electrical noise immunity
• Power supply feedback loops for safety isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct packaging and variant selection. Confirm that the 16-pin DIP configuration matches the target PCB footprint requirements. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a constrained board area. Ensure the application voltage does not exceed the specified isolation rating. Verify that the input drive current can support the minimum current transfer ratio requirements for reliable switching performance under all operating conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP321 series of high-density mounting phototransistor optically coupled isolators. The series includes variants such as ISP321-1X and ISP321-2X, offering different channel counts while maintaining consistent electrical characteristics and package dimensions for design flexibility.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other quad-channel DIP optocouplers from compatible manufacturers. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage before substitution. Consult official replacement guides for cross-referencing equivalent components.