VO615A-9X017T Isolators

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Optoisolators provide electrical isolation between input and output circuits while also interfacing different signals. The VO615A-9X017T is a transistor, photovoltaic output optoisolator. It is perfect for applications where a logic signal needs to be isolated from the circuit, such as between two electronic control circuits. This optoisolator provides reliable isolation even when used in high-temperature or harsh environmental conditions.

Application Field

The VO615A-9X017T provides important advantages compared to other optoisolators in its application field. Transistor output means that the output current can be as much as 100 mA, which is more than enough for most electronic circuits. It is able to accurately transfer analog or digital signals regardless of the voltage used by the input and output circuits. It is also suitable for operating temperatures ranging from -40°C to +85°C, making it perfect for harsher environments.

Working Principle

The VO615A-9X017T optoisolator uses an integrated photovoltaic cell. This photovoltaic cell is used to convert an incoming light signal into an electrical signal. The light signal comes from the input circuit, passes through the light emitting diode (LED) and is received by the photovoltaic cell. A transistor is then used to amplify the current signal and produce the output current. This output current is then able to actuate the output circuit, allowing it to receive the signal with greater accuracy.

The photovoltaic cell and transistor are divided by an electrical isolation barrier. This barrier ensures that there is no direct electrical connection between the input and output circuits. This allows the output of one circuit to be used to control the input of another, without having to worry about interference from the other circuit.

Conclusion

The VO615A-9X017T optoisolator provides a reliable and accurate means of transferring signals between electronic control circuits. It is able to handle higher output currents, and is suitable for operations in a wide range of temperatures. Its photovoltaic output also ensures that there is no direct electrical contact between the input and output circuits, providing essential electrical isolation.

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