PC123F1J000F

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Optoisolators - Transistor, Photovoltaic Output is a device commonly used in the isolation of low voltage input and high voltage signals output. PC123F1J000F is a commonly used optoisolators in this category. This article will discuss its application field and working principle.

Application field: PC123F1J000F is generally used in the field of digital signal isolation. Due to its small size and high efficiency, it can be used in a variety of devices, such as: display controllers, communication interface circuits, general-purpose transceiver circuits, etc. It is also widely used in medical device energy source and battery charger.

Working principle: PC123F1J000F mainly works with two photovoltaic outputs. The collector current of the first output is determined by the current of the transistor, which is generated by photoelectric conversion, while the collector current of the second output is generated by the emitter current of the transistor. In the first output, the photoelectric conversion circuit is placed between the base and the collector to convert the infrared radiation absorbed by the photosensitive element into current signal, and then the signal is transmitted to the collector. The collector current of the second output is achieved through the emitter current, which is modulated by the voltage signal of the photoelectric conversion circuit.

The photoelectric conversion circuit is divided into two parts, the photoelectric element and the current amplifier, which are connected together in order to generate the collector current in the two outputs. The emitter current is modulated by the voltage signal to obtain enough driving capability for the LED. The two outputs are isolated from each other, reducing the mutual interference. In addition, the core part of PC123F1J000F, the photoelectric element, has high reliability, and its photoelectric conversion efficiency is effectively improved.

In summary, PC123F1J000F is a widely used optoisolator due to its isolation, small size, and high reliability. It is generally applied in digital signal isolation and medical device energy supply. PC123F1J000F mainly works with two photovoltaic outputs, and the current is regulated by the photoelectric conversion circuit and the emitter current, respectively.

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