PS9115-A

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Optoisolators are opto-electronic devices used to isolate an input from an output. They are typically used in applications where electrical noise sensitivity or damage from electrical shock is a concern. There are a wide range of optoisolators available, from small miniature surface mount devices, to large industrial devices. One type of optoisolator is the PS9115-A, which is classified as a logic output optoisolator.

The PS9115-A is a two-channel optoisolator consisting of two separate phototransistors mounted in a 16-pin DIP package. It has a maximum transistor collector current of 200mA and a maximum transistor emitter voltage of 7V. The operating temperature range is -20°C to +70°C. The device features a high common mode transient immunity rate of 80 dB.

The working principle of the PS9115-A is relatively simple. An LED inside the optoisolator device emits light when the input voltage is applied. This light is detected by a phototransistor inside the device, which in turn produces an output voltage when the light is detected. The current capacity and voltage level of the output is determined by the internal circuitry of the optoisolator. The output of the optoisolator is automatically switched off when the input voltage is removed or the light detected by the phototransistor is blocked.

The PS9115-A optoisolator is designed for use in isolated logic gate and logic signal applications. It is commonly used in data transmission and communications applications, as it is capable of providing a logic level gate voltage output. It can also be used in switch mode power supplies, as it can provide a logic level voltage output for power on/off indication or PWM dimming.

In addition, the PS9115-A optoisolator is well suited for use in safety related applications. It can provide isolation between input and output, meaning that the user is protected from any potentiall electric shock which may occur due to potentially hazardous voltage levels. This makes it an ideal choice for use in medical and laboratory equipment which operates at high voltage levels.

The PS9115-A optoisolator is a versatile and reliable opto-electronic device specially designed for safe and reliable logic level and switch mode power supply applications. Its wide operating temperature range and high common mode transient immunity rate make it an ideal choice for applications which require a high degree of electrical noise immunity or protection from electric shock. It is an important device for a wide range of applications, and will continue to be used for many years to come.

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