ISP521-1GBSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-1GBSMT&R is a single-channel optocoupler manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a surface-mount DIP-4 package. The device provides electrical isolation with a maximum insulation voltage of 5300 Vrms. Key electrical parameters include a minimum collector-emitter breakdown voltage of 55 V, a maximum forward current of 50 mA, and a typical current transfer ratio of 100%. The unit operates within a temperature range of -55°C to 100°C and features UL recognition.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared emitting diode and an NPN silicon phototransistor for signal isolation
• Provides high-voltage electrical isolation between input and output circuits
• Designed for space-efficient surface-mount assembly in compact electronic systems

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Interface circuits for microprocessors and logic devices
• Power supply feedback loops requiring galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GBSMT&R' against official Isocom documentation to confirm lead-free status, RoHS compliance, and tape-and-reel packaging specifications. Ensure the procurement channel sources genuine components with valid UL certification marks. Cross-reference the part number with the manufacturer's latest datasheet to confirm availability and any recent parameter updates before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output isolator is required in a surface-mount form factor. It is suitable for applications demanding high isolation voltage and standard logic-level interfacing. Consider the 100% CTR and 55V breakdown voltage for circuit design margins. Verify that the DIP-4 package dimensions fit the target PCB layout constraints compared to through-hole alternatives.

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 variants such as ISP817, ISP827, and ISP847, offering multiple channels in DIP packages. These devices are designed to replace common industry-standard optocouplers while providing reliable performance in compact designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.