Optocoupler-Phototransistor IC pin Details: Optocoupler Number: Optocoupler-Phototransistor IC number is EL817C. EL817C IC is a very popular optocoupler IC. The IC like any other optocoupler consists of an infrared emitting diode which is optically coupled to a phototransistor detector. Features…
MOC3021 Triac drive Optoisolator pinout Details: Introduction: The MOC3021 comes in an internal light-emitting diode and a TRIAC based light activating based transistor. This optocoupler provides protection from HIGH resistive and inductive loads. It has the ability to flow the…
The 4N28 is a Industry type One Channel Photo-transistor Coupler. This family includes the 4N25, 4N26, 4N27 and 4N28. Each optocoupler consists of Gallium Arsenide infrared LED and a silicon NPN photo transistor. In the chip the primary circuit and…
An opto-isolator contains a source (emitter) of light, almost always a near infrared light-emitting diode (LED), that converts electrical input signal into light, a closed optical channel (also called dielectrical channel, and a photo sensor, which detects incoming light and either generates electric energy directly, or modulates electric current flowing from an external…
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