ISP621-1G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-1G is a single-channel through-hole optocoupler manufactured by Isocom Components. It features a DIP-4 package and utilizes a phototransistor output configuration for signal transmission. The device provides galvanic isolation with a maximum forward voltage of 1.3V and supports DC input current. Key electrical parameters include a typical rise time of 2μs, a typical fall time of 3μs, and an isolation voltage rating of 5300Vrms. The component operates within a temperature range of -30°C to 100°C and carries UL certification.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage galvanic isolation between input and output circuits
• Utilizes a phototransistor output for reliable signal switching
• Designed for direct current input applications
• Complies with UL safety standards for industrial use

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Interface circuits for microcontrollers
• Switching power supply feedback loops
• Industrial control system isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official manufacturer documentation to ensure correct pinout and performance characteristics. Confirm that the DIP-4 package matches the target PCB footprint requirements. Check for any updated regulatory compliance certifications prior to final design approval. Ensure sourcing channels provide genuine components to avoid counterfeit risks.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single channel of isolation is required in a compact DIP-4 package. Consider the 5300Vrms isolation rating for applications demanding robust noise immunity. Evaluate the 2μs rise time against system speed requirements. Compare against alternative single-channel devices if higher current transfer ratios or different package styles are needed.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the broader category of optocouplers used for electrical isolation. It serves as a fundamental building block for separating low-voltage control logic from high-voltage power stages. The device complements other multi-channel variants within the manufacturer's portfolio, offering a cost-effective solution for basic isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.