ISP281GB

Transistor, Photovoltaic Output Optoisolators Overview

The ISP281GB is a quad-channel optocoupler manufactured by Isocom Components, featuring a surface-mount package with sixteen pins. It utilizes a phototransistor output configuration and accepts DC input signals. The device provides an isolation voltage of 3750Vrms, ensuring robust electrical separation between circuits. Key electrical parameters include a maximum forward voltage of 1.4V, a typical rise time of 6μs, and a typical fall time of 6μs. The unit supports a maximum input current of 50mA and offers a minimum current transfer ratio of 50% alongside a maximum of 600%. Operating temperatures range from -55°C to 110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel architecture for multi-signal isolation
• Phototransistor output configuration
• High isolation voltage rating
• Surface-mount packaging format

Transistor, Photovoltaic Output Optoisolators Applications

• Logic-to-logic isolators in noisy environments
• Line receiver applications
• Programmable current level sensors
• Power supply digital programming
• Computer and peripheral device interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout compatibility and package dimensions. Ensure that the selected variant meets the required isolation voltage standards for your specific circuit design. Cross-reference the component marking codes with the datasheet to authenticate the source and manufacturing batch details before integration into production systems.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density quad-channel isolation is required within a compact surface-mount footprint. Consider the phototransistor output speed characteristics relative to your signal frequency requirements. Evaluate the thermal operating range against environmental conditions. Confirm that the input current limits align with your driving circuit capabilities to ensure reliable operation without exceeding maximum ratings.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in infrared optoelectronic devices, including optocouplers and photoelectric switches. The company positions its products as industry-standard replacements for common commercial optocouplers, often providing alternatives for discontinued parts from other manufacturers. Their portfolio includes various channel configurations and output types tailored for industrial and commercial applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Official substitutes include the IS281-4GB and IS281-4 models from the same manufacturer family. These variants share similar quad-channel specifications and output types. Verify pin compatibility and parameter tolerances before substituting.