ISP321-4BLSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-4BLSM is a quad-channel optocoupler manufactured by Isocom Components 2004 LTD. It features four independent infrared LEDs coupled to NPN silicon phototransistors within a single package. The device provides electrical isolation between input and output circuits, utilizing surface mount technology for high-density mounting applications. Key specifications include a 5.3 kVrms isolation voltage rating and a collector current capacity of 50 mA per channel. The component is designed for reliable signal transmission across isolated boundaries in electronic systems.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration with four independent isolation paths
• High isolation voltage rating of 5.3 kVrms for robust circuit protection
• Surface mount packaging suitable for automated assembly processes

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel isolation
• Data communication interfaces needing galvanic separation
• Power supply feedback loops for safety compliance

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BLSM' against the manufacturer's latest datasheet to confirm pinout compatibility and tape-and-reel specifications. Ensure that the procurement source provides original manufacturer documentation to validate the authenticity of the Isocom Components 2004 LTD product. Cross-reference the part number with authorized distributors to avoid counterfeit components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact solution for multiple isolated channels is required. The quad-channel design reduces board space compared to individual discrete optocouplers. Consider the 5.3 kVrms isolation rating for applications demanding significant voltage separation. Verify that the NPN transistor output type aligns with the downstream logic or interface requirements of the target circuit design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP321 series of high-density optocouplers from Isocom Components 2004 LTD. The series typically includes variants with different packaging options such as standard DIP and surface mount configurations. The '4' designation indicates the four-channel architecture, while the suffix specifies the particular mechanical and reel format variations available within the product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Parametric equivalents may be available from other manufacturers offering similar quad-channel isolation characteristics. Verify that any substitute matches the 5.3 kVrms isolation voltage and 50 mA collector current limits. Check for compatible pinout assignments to ensure direct replacement without PCB redesign.