MOC3081SR2M Isolators

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Optoisolators are used to provide electrical isolation between a lower voltage circuit and a higher voltage circuit. One such Optoisolator is the MOC3081SR2M. It is a monolithic Triac logic output optoisolator with a maximum hold current of 150mA.

MOC3081SR2M is used in applications where the control signals need to be isolated, such as in power controlling systems, relay controls, solid-state motor controls, lighting control systems, and more. It offers a half-cycle output on/off-state control with zero-crossing (ZC) on a DC input.

The key feature of MOC3081SR2M is its optically isolated Triac output. The Triac output is used in applications similar to the standard SCR output type of optoisolator. The Triac output type of optoisolator is preferred due to its higher current capability and faster switching time. It also has snubberless operation, making it ideal for power control applications.

The MOC3081SR2M utilizes a compact, 3-pin, dual-inline package (DIP) design. The device is also compatible with surface-mount technology (SMT) mounting. The optically isolated Triac requires a small amount of power to drive it, and is intended for AC line operated applications.

MOC3081SR2M works on the principle of optically isolating the control circuit from the controlled circuit. It uses an infrared LED (light emitting diode) and a Triac output to provide electrical isolation between two circuits. The LED, which is optically coupled to the Triac, provides a light signal to the Triac. The Triac, in turn, switches the AC output voltage based on the input current. The Triac output also has a zero crossing function, which eliminates the need to use snubbers to reduce power dissipations.

MOC3081SR2M is a versatile optoisolator that can be used for a variety of applications. Its Triac output is fast and reliable and its zero crossing function ensures safe and efficient control of power switching operations. Its small packages makes it suitable for applications where board space is at a premium. With its robust design, MOC3081SR2M is an ideal choice for optically isolated Triac output applications.

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