ZTX718

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The ZTX718 is a low power NPN silicon epitaxial transistor with a low collector-to-emitter saturation voltage. It is a member of a family of NPN transistors with specially-chosen characteristics for use as an amplifier, audio power amplifier, voltage regulator, high-current driver, and switch. The transistor is especially suited for use in linear applications because of its low collector-to-emitter saturation voltage, which makes it ideal for use in applications where precision is required.

The ZTX718 is a small signal BJT (Bipolar Junction Transistor) with a single junction configuration. It has two NPN transistors connected directly together, with the emitter connected to the base of the other transistor and the base connected to the emitter of the other transistor. The collector of each transistor is connected to the other side of the circuit, allowing the current to flow through the circuit when the transistor is turned on. The ZTX718 is also manufactured in a TO-5 package, which features a metal-ceramic construction for a high level of thermal and electrical conductivity.

The operating principle of the ZTX718 is based on the PNPN effect. When the transistor is turned on, the conduction electrons and the injected minority carriers move toward the collector and the base, respectively, creating a current flow between the collector and the base. The amount of current depends on the applied voltage to the base and can be controlled by varying the bias voltage applied to the base. When the transistor is turned off, the electrons are removed from the base, causing the base-collector junction to become reverse-biased and preventing current flow.

The ZTX718 is widely used in amplifier, audio power amplifier and voltage regulator designs, due to their low collector-to-emitter saturation voltage. The ZTX718 can also be used in high-current driver applications because of its low forward current drop and high linearity. In addition, due to its sealed metal-ceramic construction, the ZTX718 has an excellent power dissipation and maximum operating temperature.

In summary, the ZTX718 is a single junction NPN bipolar junction transistor (BJT) designed for low power applications such as amplifiers, audio power amplifiers, voltage regulators, high current drivers, and switches. It offers low collector-to-emitter saturation voltage and is available in a variety of packages, including a TO-5 package with a metal-ceramic construction for excellent thermal and electrical conductivity. Its operating principle is based on the PNPN effect, and it is capable of controlling current depending on the applied bias voltage. The ZTX718 is an excellent choice for use in linear applications requiring precision and high current driver applications.

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