IL1206AT

Transistor, Photovoltaic Output Optoisolators Overview

The IL1206AT is a single-channel optocoupler featuring a gallium arsenide infrared LED and a silicon NPN phototransistor with base connection. It operates within a temperature range of -55 °C to 110 °C. Key electrical parameters include a maximum isolation voltage of 4000 Vrms, a collector-emitter breakdown voltage minimum of 70 V, and a maximum forward current of 60 mA. The device exhibits a typical current transfer ratio of 25% and a maximum dark power supply of 50 nA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a gallium arsenide infrared LED with a silicon NPN phototransistor for optical signal transmission.
• Provides high-voltage isolation capability rated at 4000 Vrms between input and output circuits.
• Features a dedicated base connection on the phototransistor to allow for external control or sensitivity adjustment.
• Designed for reliable operation in extended industrial temperature environments up to 110 °C.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems requiring galvanic isolation
• Solid-state relay driver circuits
• Microcontroller interface isolation for digital signal transmission
• Power supply feedback loop isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific part number matches the required Vishay Semiconductor Opto Division manufacturing source. Confirm compliance with RoHS standards and check for UL Recognized and VDE Approved certifications as documented in official datasheets. Ensure the SOIC-8 package variant aligns with PCB footprint requirements before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a phototransistor output with accessible base terminal is required for circuit flexibility. Consider the 4000 Vrms isolation rating for safety-critical applications. Evaluate the 110 °C thermal rating against system operating conditions. Compare current transfer ratio specifications against other models in the 1206AT series if higher gain is needed.

Transistor, Photovoltaic Output Optoisolators Part Context

The IL1206AT belongs to the 1206AT/1207AT/1208AT family of optocouplers from Vishay. These devices share similar architectural features, including the use of gallium arsenide LEDs and silicon NPN phototransistors in SOIC-8 packages. Variations within the family typically involve differences in current transfer ratio ranges rather than fundamental structural changes.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with IL1207AT and IL1208AT for pin-compatible alternatives with different current transfer ratios. Verify that substitute components maintain the same 4000 Vrms isolation rating and SOIC-8 package dimensions to ensure mechanical fit without redesigning the printed circuit board layout.