JANTX4N48

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Optoisolators are electronic components that convert the electrical signals travelling from one circuit to another into optical signals, allowing them to be completely isolated from each other. The JANTX4N48 is an optocoupler model manufactured by Microsemi, which uses a transistor and photovoltaic output to provide two-way isolation between the input and output circuits.

The JANTX4N48 optoisolator features a monolithic device that operates from 5 to 110 Volts DC input voltage. It is a 4-pin module that consists of an infrared LED emitter, an input LED detector, a top-mounted transistor, and a photovoltaic output. The module is constructed of a dual-in-line package with an integrated infrared LED and a phototransistor in a plastic housing that shields the circuitry from external influences.

These opto-couplers are commonly used in high voltage applications where a complete electrical isolation is required. Typical uses are motor control, power supply designs, battery charging, fire and security systems, and home automation applications. Because of its high operating voltage and power capability, it can be used for a variety of applications such as high power motor controls, AC phase control, and DC motor control. The device is also capable of transmitting digital or analog signals, as well as pulse width modulation.

The working principle of the JANTX4N48 optoisolator is quite simple. When the incoming electrical signal speaks the LED emitter to illuminate, the photodiode conductor inside detector is then activated and consequently, the corresponding transistor output of the device is excited. As a result, the device’s output circuit is switched on and the current passes through the transistor, producing the desired output signal.

The JANTX4N48 is an excellent optoisolator model for a variety of applications due to its high operating voltage and power capabilities. It is also a reliable device, thanks to its advanced design shielding against external influences. It also features integrated protection against transient high-voltage spikes and radio frequency interference (EMI) which makes it a very reliable and safe device with increased immunity to electrical shocks and noise.

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