2N4392 Discrete Semiconductor Products

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The 2N4392 is a widely-used, American-manufactured Junction Field-Effect Transistor (JFET). It is a small three-pin device constructed from N-channel silicon material and designed to operate with a gate voltage. The gate voltage is applied between the gate and source pins of the device, and it controls the current between the drain and source pins. The 2N4392 is capable of both depletion and enhancement modes, making it suitable for a range of different applications in the audio and control engineering industries.

The applications of the 2N4392 include audio switching and amplification, as it is capable of providing low-noise and distortion characteristics. The device can be used in buffers, amplifiers and inverters as well as voltage-controlled oscillators. It is also commonly used as a feedback element in amplifier designs. Furthermore, this JFET can be used in logic circuits where it can act as a buffer or source follower.

In terms of its working principle, the 2N4392 is a P-channel field-effect transistor which utilizes a controlled depletion mode. This means it has the ability to conduct both electrons and holes. The operation of the device is based on the creation of a depletion region in the semiconductor material between the drain and source terminals when a negative voltage is applied to the gate. The intensity of the depletion region is affected by the gate voltage and is used to alter the resistance presented between the drain and source pins. Since the drain current is dependent on the gate voltage, these transistors are also known as voltage-controlled devices.

The 2N4392 has a maximum drain current rating of 400mA and is able to operate over a voltage range of -12V to -60V. The device also has a maximum frequency of 200MHz, making it suitable for use in both low- and high-frequency applications. Additionally, the acceptable temperature range for the device is -20°C to +175°C.

Overall, the 2N4392 is an extremely versatile and widely-used JFET transistor which offers a range of applications in the audio, control and logic engineering industries. Its operational principle is based on a controlled depletion mode dependent on the applied gate voltage, and the device is capable of handling both low- and high-frequency signals within an acceptable temperature range. As a result, the 2N4392 makes an excellent choice for those building electronic circuitry.

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