ISP521-2XGB

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-2XGB is a dual-channel phototransistor optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED and NPN silicon phototransistors in a surface-mount plastic package. Key electrical parameters include a minimum current transfer ratio of 50%, high isolation voltage of 5300Vrms, and a collector-emitter breakdown voltage of 55V. The device supports DC input with a maximum forward current of 50mA and operates within a temperature range of -30°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for compact signal isolation
• High isolation voltage ensuring safety in high-potential environments
• Surface-mount packaging for high-density board mounting

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interfaces
• Industrial system controllers
• Measuring instruments
• Signal transmission between systems of different potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' confirms the surface-mount package type required for your PCB layout. Confirm that the 5300Vrms isolation rating meets your safety compliance standards. Ensure the 50% minimum CTR aligns with your circuit's switching requirements. Check RoHS compliance status if restricted substances are a concern for your manufacturing process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when space constraints necessitate a surface-mount solution over through-hole DIP packages. Choose the dual-channel variant to reduce board area compared to single-channel devices. Consider the 55V BVCEO limit for output voltage swings. Verify thermal management needs given the operating temperature range up to 100°C.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521/ISP521 series of high-density mounting phototransistor optically coupled isolators. The series offers various lead form options including standard, extended pitch (G), and surface mount (SM). Isocom provides custom electrical selections to meet specific design needs while maintaining industry-standard certifications like UL and VDE.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other dual-channel phototransistor optocouplers with similar 5300Vrms isolation and surface-mount packages. Verify pinout compatibility and current transfer ratio specifications before substitution. Cross-reference with TLP521-2 equivalents from other manufacturers if supply chain issues arise.