JANTXV4N48

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators are electrical isolation devices which offer security and protection for non-polarized circuits. They can be used to insulate a sensitive device from electro-magnetic interference and damage due to electrical surge. Optoisolators come in many shapes and sizes, but the most common types are color coded for quick recognition. One popular optical device is the JANTXV4N48 optoisolator which is a transistor, photovoltaic optoisolator.

Applications

The JANTXV4N48 optoisolator is typically used as a medium voltage-transistor switch. Its high input/output voltage differential makes it ideal for switching high voltage, single-ended switching applications. The JANTXV4N48 is also used in many industrial applications. It is often used in automated control systems, instruments, and optical communication systems. It can also be used in circuit boards for industrial computers and embedded systems.

Features

The JANTXV4N48 optoisolator has some unique features that make it versatile. It can operate in a temperature range from -20°C to +60°C offering wide temperature range flexibility. It also has an impressive optical isolation rating of 4 kVrms which is useful for protecting against electro-magnetic interference and voltage surges. The JANTXV4N48 also has a transistor output with on-off control allowing for both active and passive control.

Working Principle and Operation

The JANTXV4N48 optoisolator works on the principle of photocoupling or photoelectric effect. Photocoupling is the process of using light as a medium of transferring electrical energy. In the JANTXV4N48 optoisolator, a light emitting diode (LED) is used as the light source for the transmission. When a voltage is applied to the LED, it emits light which is detected by a photodiode placed on the opposite side of the optoisolator. This light is converted into an electrical signal, isolated from the input voltage, and is transferred to the transistor output.

To activate the transistor output, the user need only to apply the correct voltage to the LED. The LED will then emit light and energy will be transferred to the photodiode. This in turn will activate the transistor output, allowing for switching of the desired circuit. When the voltage is removed, the LED stops emitting light and the transistor output is deactivated.

Conclusion

The JANTXV4N48 optoisolator is a highly reliable and versatile optoisolator. Its high input/output voltage differential and broad temperature range make it particularly suited for medium voltage-transistor switching applications. Its photocoupling principle of operation also makes it a suitable optoisolator for industrial systems and communication systems.

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