FOD617D3SD

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Optoisolators - Transistor, Photovoltaic Output have become increasingly popular in recent years, due to their high level of isolation, reliability and cost-effectiveness. The FOD617D3SD is one such product. This versatile optoisolator is suitable for applications such as input monitoring, non-volatile memory (NVM) programming, invertor control, motor control, and sensory devices.

At a fundamental level, the FOD617D3SD is a light-activated transistor optoisolator. It consists of a Photovoltaic triac driver connected to an infrared LED, which is housed in a shielded enclosure, providing complete electrical isolation between input and output signals for the most reliable circuit protection. The device’s transistors feature high gain, low saturation voltage, low threshold voltage and low thermal resistance. This ensures efficient and robust signal transmission across the device, even at harsh environmental conditions.

The FOD617D3SD is available in a variety of packages, including SOT-23, SOIC-8, and DIP-8. The output signal is delivered at a peak current of up to 5 mA. Depending on the application, a single supply voltage should be selected between 5 V and 24 V for best performance. Maximum data rate is 1 MBd., ensuring fast and easy signal transmission.

The FOD617D3SD optoisolator works according to the principle of photo-conductivity. A built-in LED is used to emit infrared light of a specific wavelength. This light is then detected by the photovoltaic diode, which activates the output transistor. The resulting current flow switches the output circuit, thus providing a signal indicating that the input signal has been “seen”. This effectively isolates the input and output circuits, protecting the circuit from electromagnetic interference or damaging voltage levels.

The FOD617D3SD optoisolator is ideal for a wide range of applications that require high levels of isolation, including data protection, non-volatile memory programming, motor control, process control, machine monitoring, and sensory devices.

The FOD617D3SD is an excellent choice for applications where reliability, efficiency and cost-effectiveness are critical. Its wide input voltage range, high data rate, and robust design make it an ideal optoisolator for a variety of applications.

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