MOC3052SM_F132

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Optoisolators are electronic devices which incorporate both optical and electrical components. The MOC3052SM_F132 optoisolator has a triac, SCR output. It is designed to control the switching of alternating current, enabling a reliable isolation between input and output signals.

The application field for MOC3052SM_F132 optoisolator primarily includes contactor control, light and fan dimmer, temperature control, AC switching and over-temperature alarm. It is also used in digital logic systems with low to medium power/voltage levels.

The working principle of the MOC3052SM_F132 optoisolator is based on the principle of opto-coupling. It consists of two parts: a photo-interrupter (or it may contain an LED or a phototransistor) and an opto-coupler (MCT). A signal emitted from the photo-interrupter is transmitted from a light beam to the photosensitive MCT which contains a triac and a gate, and this in turn triggers the shift in electrical signals.

In operation, the optical transmitter is activated with an electrical signal at the emitter pin of the photo-interrupter. Light from the interrupter is transmitted at a specific frequency, which is picked up by the MCT. This further triggers two back to back SCR’s with the gate connected to the triac which is held in forward conduction until the gate control voltage is removed or current is lowered to an off-state.

The MOC3052SM_F132 optoisolator features a dual-in-line (DIL) package with leads for ease of mounting. Its isolation voltage can range from 3500 Vrms for 1 min to 5000 Vrms for 1 min (typical) and it can be used on both DC and AC (cycle by cycle) currents of up to 300 Vrms and 600 Vrms respectively. Additionally, it also features a low standing current of 10 mA and a high operating current of 1 A. The device also features a low pulse guard time (5 μs) to enable high efficiency.

In conclusion, the MOC3052SM_F132 optoisolator is a highly efficient device that can be used to switch alternating current reliably. With its low standing current, high operating current, high isolation voltage, and low pulse guard time, it is ideal for a variety of applications such as contactor control, fan dimmers and over-temperature alarms.

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