ILD1205T

Transistor, Photovoltaic Output Optoisolators Overview

The ILD1205T is a dual-channel optocoupler from Vishay, rated for 110°C operation. It integrates a Gallium Arsenide infrared LED with a silicon NPN phototransistor in an 8-pin SOIC package. Key electrical parameters include a 4000Vrms isolation voltage, a typical forward voltage of 1.2V, and a maximum collector-emitter saturation voltage of 400mV. The device supports DC input signals with a typical rise time of 3μs and fall time of 4.7μs. Current transfer ratios range from 13% to 80%, operating within a temperature range of -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel optical isolation utilizing Gallium Arsenide LEDs and silicon NPN phototransistors
• High isolation capability with 4000Vrms rating for safety-critical applications
• Robust thermal performance designed for 110°C rated environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission across isolated ground planes
• Microprocessor interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm part status as the ILD1205T may be classified as obsolete in certain catalogs. Ensure compliance with RoHS directives and relevant safety certifications such as UL1577 and CSA bulletin 5A before integration into final designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required in compact surface-mount configurations. Consider the 110°C thermal rating for high-temperature industrial environments. Evaluate the current transfer ratio requirements against the load conditions to ensure adequate signal transmission efficiency.

Transistor, Photovoltaic Output Optoisolators Part Context

The ILD1205T belongs to the ILD series of optocouplers, sharing architectural similarities with the ILD1206T and ILD1207T models. These devices are characterized by their use of Gallium Arsenide emitters and silicon phototransistors, providing reliable optical coupling in standard SOIC packages for general-purpose isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: ILD1206T, ILD1207T.