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The VOT8123AB-T is a single-channel optoisolator featuring a phototriac output, manufactured by Vishay Semiconductor Opto Division. It provides an isolation voltage of 5000Vrms and supports an off-state voltage of 800V. The device operates within a temperature range of -40°C to 125°C and has a maximum RMS on-state current of 100mA. It utilizes a 6-SMD gull-wing package and lacks zero-crossing circuitry.
Verify the specific suffix (T) indicates tape and reel packaging when ordering. Confirm that the 5000Vrms isolation rating meets system safety requirements. Check for RoHS3 compliance status in the latest datasheet revision. Ensure the 6-SMD gull-wing footprint matches the PCB design constraints.
Select this component for applications requiring non-synchronized triac triggering. Compare the 100mA on-state current against load requirements. Consider the 800V blocking voltage for mains-connected loads. Evaluate the 6-pin SMD package size against available board space compared to DIP alternatives.
This part belongs to the VOT8121/VOT8123 series of Vishay optoisolators. It shares functional similarities with the VOT8121AB-T but differs in package type and isolation voltage ratings. The series is designed for general-purpose AC switching and isolation tasks in industrial and consumer electronics.
The VOT8123AB-V serves as a tray-packaged alternative. Verify pinout compatibility before substitution. Ensure the replacement maintains the same 5000Vrms isolation and 800V off-state voltage specifications.