EL817(S1)(A)(TA)-G

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Optoisolators - Transistor, Photovoltaic Output, are types of optoelectronic devices used to transfer signals from an electrically isolated circuit to another circuit using optical pulses. The EL817(S1)(A) (TA)-G is a surface-mount optoisolator module with a Photovoltaic Output. It includes a GaAs infrared source, an intergrated IC, and a photovoltaic detector.

The EL817(S1)(A)(TA)-G optoisolator is designed for the interface between low-voltage electronic control systems to low-voltage loads or sensors, and is ideal for applications in access control, security systems and fire alarms. Its encased package is designed for easy mounting and installation, providing reliable output performance, low power consumption and offers a wide range of supply voltage.

The working principle of the EL817(S1)(A)(TA)-G optoisolator is based on the principle of a Schmitt trigger, where an optical input is converted into an electrical signal. The optoisolator\'s motor control circuit has two inverted outputs: one is connected directly to the motor, while the other is used to detect when the motor current changes. With the addition of devices like relays, the optoisolator module can be used to isolate higher voltages from the motor.

The optoisolator\'s onboard infrared light source generates an optical signal which is received by the photodetector. When the detector senses the presence of the optical signal, the output is enabled. The integrated IC circuit converts the received optical signal into an electrical signal which is sent to the low-voltage output side of the optoisolator.

The EL817 (S1) (A)(TA)-G optoisolator is designed to provide reliable operation in the most demanding lighting conditions, and can source up to 11mA of continuous current with less than 10% variation. Additionally, it also provides the necessary isolation to protect the low-voltage electronics from high-voltage applications. With its small size, the optoisolator can be easily integrated into existing systems and is applicable for both indoor and outdoor applications.

The EL817(S1)(A)(TA)-G optoisolator is an excellent choice for applications requiring optical and electrical isolation. With its high reliability and wide range of supply voltage, it is highly recommended for use in access control, security systems, fire alarms and motor control.

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