ISP321-1XSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-1XSM is a surface-mount optocoupler from the Isocom ISP series, featuring a single channel with an NPN phototransistor output. It utilizes a DIP-4 package and supports AC input drive configurations. Key electrical parameters include a maximum forward voltage of 1.4V, a typical rise time of 4μs, and a typical fall time of 3μs. The device offers a high isolation voltage of 5.3kVrms and operates within a temperature range of -30°C to 100°C. Current transfer ratio specifications vary, with minimum values as low as 0.2% and maximums up to 600% depending on specific binning.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation for signal transmission between circuits
• Designed for surface-mount assembly in compact layouts
• Capable of handling AC input signals directly
• Offers high voltage isolation for safety protection

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply units for feedback loop isolation
• Smart metering applications
• Gas detection and monitoring equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific current transfer ratio (CTR) bin required for your application, as the datasheet indicates a wide range from 0.2% to 600%. Confirm that the DIP-4 surface mount package dimensions match your PCB footprint. Ensure the operating temperature range of -30°C to 100°C meets your environmental requirements. Check for RoHS compliance status if mandated by your project standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with AC input capability is needed. Compare the CTR specifications against other models like the ISP817BLSM if higher gain is required. Consider the 5.3kVrms isolation rating for safety-critical designs. Evaluate the 4μs/3μs switching speeds against system timing constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series of optocouplers manufactured by Isocom Components. The series includes various pin counts and output types, such as transistors and Darlington pairs. The ISP321-1XSM specifically targets applications needing AC input compatibility in a small surface-mount form factor.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.