ISP521-1XGBG

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-1XGBG is a single-channel transistor output optocoupler manufactured by Isocom Components. It integrates an infrared light-emitting diode with an NPN silicon phototransistor in a DIP-4 package. Key electrical parameters include a minimum collector-emitter breakdown voltage of 35 V, a maximum forward current of 0.05 A, and a nominal current transfer ratio of 100%. The device offers high isolation capability with a maximum insulation voltage of 5300 V and operates within a temperature range of -55 °C to 100 °C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED and NPN silicon phototransistor for signal isolation
• Provides high-voltage electrical isolation between input and output circuits
• Designed for space-efficient mounting in dual in-line plastic packages

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply protection circuits
• Smart metering applications

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XGBG' against official Isocom documentation to confirm pinout configuration and compliance status. Ensure the ordering part number matches the exact datasheet revision required for your design. Cross-reference UL recognition file numbers if safety certification is mandatory for the end application.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation barrier is needed with standard transistor output characteristics. Consider the 35 V collector-emitter voltage rating relative to load requirements. Verify that the DIP-4 package dimensions fit the PCB layout constraints compared to surface-mount alternatives like the TLP521 series variants.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series of high-density mounting phototransistor optically coupled isolators from Isocom Components. The series typically includes multi-channel variants such as the ISP817, ISP827, and ISP847. These devices are designed to replace common industry-standard optocouplers while offering specific parameter selections for diverse circuit designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Potential substitutes include the TLP521-1 or H11L1 depending on channel count and output type requirements. Verify compatibility with existing footprint and electrical specifications before substitution.