JAN2N7334

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JAN2N7334 application field and working principle

The JAN2N7334 is a type of junction field-effect transistor (JFET) usually categorized in the Arrays section of transistors, FETs and MOSFETs. Introduced in the year 1966, and manufactured by the name brand Motorola, it is a type of discrete semiconductor device and a tool with numerous application possibilities. The unit operates with a voltage of up to 30 volts. With its small size, it is a manageable component to use in low noise and low power amplifier circuits as well as automatic gain control circuits, voltage regulators, and choppers.

Design engineers use the JAN2N7334 JFET for their small signal applications. The device is a N-channel JFET, silicon-controlled unit and a depletion-mode transistor, which most often is classified as an active component because of its amplified electrical circuit. It works with a low gate-source voltage and requires a negative gate-source voltage, since it is a depletion-mode device. It was designed with a good balance of characteristics, including low capacitance and low noise.

In addition to the physical aspects, the technical specifications of the device must be reviewed when considering application. It has a maximum voltage of 30 volts and a power dissipation of 450 milliwatts. The drain and source current ratings are 1.0 amperes while the gate-source voltage rating is -10 volts. And the junction to case thermal resistance is 0.10 degrees Celsius per watt.

JFETs are considered Three-Terminal semiconductor devices, primarily because they only have three terminals inside a sealed construction. The three terminals are the Source, Drain, and Gate. A voltage applied to the gate allows for the controlling of the current flow across the channel. When the voltage is increased, it blocks the flow of current between the source and drain, which then decreases the current. The operating principle is similar to an on/off switch, but in the electronic or electrical field.

The JAN2N7334 marks a new generation of power transistors and recently has become of great interest for industrial and component manufacturers. Nevertheless, despite the original release year of the device, the situation and preservation of several JFETs made by Motorola are still in demand.

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