ISP521-1XBLSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-1XBLSMT&R is a single-channel transistor output optocoupler manufactured by Isocom Components. It integrates an infrared emitting diode and an NPN silicon phototransistor within a compact surface-mount package. The device provides electrical isolation with a maximum insulation voltage of 5300 Vrms. Key electrical parameters include a minimum current transfer ratio (CTR) of 50% at a forward current of 5 mA, a collector-emitter breakdown voltage of 55 V, and a maximum forward voltage of 1.3 V. The unit operates reliably across a temperature range from -30°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED and NPN phototransistor for signal transmission
• Provides high-voltage electrical isolation between input and output circuits
• Designed for space-efficient surface-mount assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring circuit isolation
• Power supply feedback loops
• Signal transmission in microprocessor interfacing

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BLSMT&R' against official manufacturer documentation to confirm exact reel packaging specifications and tape-and-reel dimensions. Ensure the component meets required safety certifications such as UL or VDE for the intended application environment. Cross-reference the datasheet for precise handling and soldering thermal profiles suitable for surface-mount technology processes.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with a minimum CTR of 50% is required for surface-mount designs. Consider the 5300 Vrms isolation rating for applications demanding robust separation between high-voltage and low-voltage domains. Evaluate the operating temperature range of -30°C to +100°C against environmental constraints. Compare pinout compatibility with existing PCB layouts before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series of high-density mounting phototransistor optically coupled isolators produced by Isocom Components. The series utilizes standard transistor output configurations to provide reliable signal coupling while maintaining electrical safety standards. These devices are engineered to replace legacy through-hole components with modern surface-mount equivalents without compromising performance or isolation integrity.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution lists for equivalent single-channel transistor output optocouplers with matching DIP or SMD footprints. Verify that alternative parts meet the same 5300 Vrms isolation and 50% minimum CTR requirements.