ISP321-4GBG

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-4GBG is a quad optoisolator manufactured by Isocom Components 2004 LTD. It features four independent channels, each comprising an infrared LED input and an NPN silicon phototransistor output. The device provides high isolation voltage of 5300Vrms. It is designed for through-hole mounting in a 16-pin DIP package. The current transfer ratio is specified at 100-600% when tested with a forward current of 1mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel configuration for compact circuit design
• High voltage isolation capability between input and output circuits
• NPN phototransistor output structure for digital switching applications

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Data communication interfaces for noise immunity
• Power supply feedback loops for safety compliance

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GBG' against official Isocom Components documentation to confirm pinout and packaging details. Ensure compatibility with existing board layouts regarding the 16-DIP footprint. Cross-reference datasheet specifications for isolation voltage ratings before integration into safety-critical designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a single package to save board space. Consider the 5300Vrms isolation rating for applications demanding robust electrical separation. Verify that the NPN output type aligns with the downstream logic requirements of the target system.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP321 family of quad optocouplers from Isocom Components. The family includes variants such as ISP321-4SM and ISP321-4BLSM, which share similar functional architectures but may differ in packaging or specific electrical characteristics. The ISP321 series is widely used in industrial and commercial electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes like the ISP321-4SM if pinout compatibility is critical. Verify that alternative quad optocouplers meet the 5300Vrms isolation requirement. Ensure replacement parts maintain the same NPN output configuration and DIP-16 form factor.