FODM3082R1

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Introduction: The FODM3082R1optocoupler is a member of Fairchild’s family of T1 bi-directional optically isolated Triac and SCR output optocoupled devices. It has SCR and/or Triac outputs and it is suitable for use as an interface in isolated or regulated power supplies. It combines proven performance, superior circuit protection, and low-cost manufacturing techniques to keep customers ahead of any competition in today’s changing market.

Application field: The FODM3082R1optocoupler is designed for driving high power SCR and Triac gates as well as for interface in isolated or regulated power supply. The T1 optocoupler selectively provides low-side SCR output, high-side SCR output, low-side Triac output, and high-side Triac output, thus providing isolated interface capability to operating systems. It can be used in applications that require low current SCR or Triac output.

Working Principle: The FODM3082R1optocoupler works on the principle of an optically isolated bipolar output. The optically isolated output utilizes a photo-sensitive device with near unity gain. An incoming signal, sent via an infrared LED, is detected by the detector and converted into an electrical output signal. This signal is used to control SCRs or Triacs, as well as other power electronic loads.The optocoupler is driven by an input signal from a DC or AC circuit, pushed through an LED. The output of the optoisolator is an SCR or Triac gate, which in turn can be used to control the switching of the corresponding device. The output of the optoisolator can be set up to open or close the gate, depending on the polarity of the input signal.The FODM3082R1optocoupler provides low current SCR/Triac output over a wide range of input voltage. This range is roughly 8 to 25 VDC but can be adjusted through a range of temperatures. The SCR/Triac output is controlled by the amount of luminous radiation produced by the infrared LED. The radiation is tunneled through an optically isolated housing, which decouples the electrical inputs from the output.

Conclusion: The FODM3082R1optocoupler is a cost-effective triac and SCR output optocoupler. It works by utilizing an optically isolated bipolar output to drive high-power SCR and Triac gates, as well as providing an interface in isolated or regulated power supplies. It’s designed for applications that require low current SCR or Triac output and offers superior circuit protection and low-cost manufacturing.

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