PS9851-2-AX

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Optoisolators are devices intended to provide electrical isolation between two circuits. This type of isolation prevents electrical surges and transients from affecting the circuits, and it also prevents the influence of ground loops in the circuits. In addition, these devices also provide a noise-free communication path between two circuits. The PS9851-2-AX optoisolator is one such device. It belongs to the “Logic Output” class of optoisolators. This article will focus on the application field and working principle of the PS9851-2-AX.

The PS9851-2-AX is a very popular choice for digital signal isolation applications. It provides a low cost and reliable form of electrical isolation that is resistant to surges and transients. Furthermore, the device is also highly noise-immune. The PS9851-2-AX has a wide operating temperature range and can be used in extreme temperatures. This makes it suitable for use in harsh and demanding environments.

The PS9851-2-AX is a logic output type of optoisolator. It features a high-speed transistor output with an operating voltage range of 4.5 to 21.5 volts (Vcc). The logic outputs are sink-or-source type. The speed performance of the PS9851-2-AX is significantly better than that of conventional optoisolators and is suitable for applications in high speed digital systems. The PS9851-2-AX provides a very high voltage isolation of 3000 volts (Vdc) and is compliant with the latest versions of the UL61800-5-1 safety standard.

The working principle of the PS9851-2-AX optoisolator is based on the use of a light-emitting diode (LED) and a phototransistor. An input voltage applied to the LED will cause it to emit a current of light. This light is then detected by the phototransistor, which produces a current of collector-emitter type in response. This current is then used to drive the optoisolator output. The main advantage of this type of optoisolator is that it provides electrical isolation between the input and output circuits.

In summary, the PS9851-2-AX optoisolator is a logic output type device. It provides a high level of electrical isolation and is suitable for use in high-speed digital systems. The PS9851-2-AX utilizes a light-emitting diode (LED) and a phototransistor to provide its electrical isolation. It is a highly reliable device and is compliant with the latest versions of the UL61800-5-1 safety standard.

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