EL816(S)(TD)

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Optoisolators, commonly known as optocouplers, are an important family of components designed to isolate one system electrically from another. An optoisolator achieves this by using an LED embedded in an integrated photo-detector. EL816(S)(TD) is a type of optoisolator which contains a single channel output transistor photo-coupler, with a distinct monolithic construction.

The EL816(S)(TD) includes an IRED optically coupled with a phototransistor. The infrared emitting diode is enclosed in a plastic light-shielding package along with a phototransistor. The two elements are optically coupled so that the light emitted by the IRED is detected by the phototransistor.

The EL816S(TD) operates by having an external electrical signal applied to the LED\'s input terminal to produce optical energy. This optical energy is transferred to the phototransistor, which subsequently produces a voltage at its collector terminal. The collector current of the phototransistor is thus made proportional to the current in the LED. By this mechanism, the electrical signal applied to the LED\'s input terminal is transformed into an electrical signal amplitude at the phototransistor\'s collector terminal.

EL816(S)(TD) is widely used in applications that require electrical isolation. The electrical isolation ensures that a malfunction in one system does not cause disruptions in another. It can be used to isolate circuitry such as motors, relays, and power supplies. It can also isolate industrial automation systems, robotics, medical devices, and communication systems from hazardous voltages or spikes. Due to its high common-mode rejection ratio, EL816(S)(TD) can be used in line-to-line isolation, noise reduction, or low-frequency signal isolation.

EL816(S)(TD) has a number of features that make it ideal for a wide range of applications. It is fast responding, with a propagation delay of less than 10us at 100kHz, and can operate at a high temperature range of -55°C to 125°C. EL816(S)(TD) also has low saturation voltage, high isolation voltage, and low power consumption. The photo-coupler is also packaged in a miniature DIP (Dual-In-Line) package, making it small and easy to mount on a printed circuit board.

In summary, the EL816(S)(TD) is a single-channel transistor output optoisolator. It is used for electrical isolation in a wide variety of industrial, medical, and automation applications. Its features, such as high speed, low power consumption, and miniature size, make it a reliable and efficient isolator.

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