EL3081S(TA)-V

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The EL3081S(TA)-V is a 4-pin optocoupler in the Optoisolators - Triac, SCR Output category. This type of optocoupler is part of a new generation of isolators designed to provide reliable electrical isolation between input and output circuits. It features an efficient zero crossing turn-on optimized for low power AC signals.

The EL3081S(TA)-V is particularly suitable for controlling resistive and near-resistive loads such as small low-power AC motors, motors, transformers, incandescent, halogen and electronic dimmable lamps, and other low power AC loads. This optocoupler has very low forward voltage drop, fast rise and fall times, and high Efficiency in order to minimize power losses.

The EL3081S(TA)-V is essentially a 4 pin optocoupler that includes an integrated zero-crossing driver. It has a common anode configuration with four pins. The four pins include a cathode and anode on the input side, and a gate and cathode on the output side.

The input side of the EL3081S(TA)-V contains a light-emitting diode (LED). When this LED is energized, it produces a light pulse that is converted into an electrical pulse by the integrated full-wave rectifier in the optocoupler. This electrical pulse is delivered to the output side of the device via the two pins. Once the output side of the optocoupler receives this energy, it sends it to the anode of the triac, which is connected to the output load.

Once this circuit is energized, the light transmission causes the biasing of the thyristor, which is triggered on by the zener diode. This causes the thyristor to turn on, opening the gate and allowing current to flow to the load, completing the circuit. The thyristor will then turn off when the light transmission is stopped, and the circuit is broken.

The EL3081S(TA)-V is ideal for AC dimming and motor control applications. Its minimal power losses and fast response make it ideal for a variety of domestic, commercial, and industrial applications such as lighting and HVAC control. The device can be used in a variety of configurations, including voltage-mode operation, as well as can/triac-mode and unipolar/bipolar current control systems.

The EL3081S(TA)-V optocoupler is an efficient, reliable, and cost-effective optoisolator that provides reliable electrical isolation between input and output circuits. This device is well suited for use in AC dimming and motor control applications, providing excellent performance and reliability even in the most demanding applications and environments.

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