ISP621-4G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-4G is a four-channel phototransistor optocoupler in a 16-pin DIP package. It features an infrared LED input and NPN silicon phototransistor output. Key electrical parameters include a maximum forward voltage of 1.3V, typical rise time of 2μs, and typical fall time of 3μs. The device supports a maximum input current of 50mA and offers an isolation voltage of 5300Vrms. Operating temperature ranges from -30°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels for high-density signal isolation
• NPN silicon phototransistor output structure
• High isolation voltage capability for safety-critical circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Signal integrity isolation in industrial control systems
• Safety-critical circuit protection applications
• General purpose digital signal isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'G' indicates the 10mm lead spread option as documented in official specifications. Confirm that the manufacturer designation matches Isocom Components 2004 LTD. Ensure the component type is strictly transistor output and not logic output variants within the same series. Cross-reference datasheet revisions to confirm parameter consistency before integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when four isolated channels are required in a single DIP package. The 10mm lead spread option facilitates through-hole mounting on standard PCB layouts. Consider the 5300Vrms isolation rating for applications requiring robust galvanic separation between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP621 series, which includes dual and quad channel options with transistor outputs. The series is designed for electrical isolation where signal integrity and safety are paramount. The 'G' suffix specifically denotes the mechanical variant with extended lead spacing compared to standard DIP configurations.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include TLP621-4GB and other quad-channel phototransistor optocouplers with similar isolation ratings and pinout configurations. Verify lead spread dimensions and electrical characteristics match application requirements before substitution.