ZTX1047ASTOA

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ZTX1047AST Transistors Overview

The ZTX1047AST is a kind of medium-power NPN epitaxial silicon transistor with high gain, medium collector current and high transition frequency. When it is used as an amplifier in various kinds of circuits, it increases gain, cut-off frequency, frequency characteristic, and power output.

Application of ZTX1047AST

The ZTX1047AST transistors offer a wide range of usage, which includes audio amplification and amplifier circuits, computer peripheral circuits, communication circuits, sensing circuits, and electronic control circuits. They are also commonly used for the amplifier circuits of consumer electronic products such as CD players and radio, as well as commercial products like burglar and fire alarm systems, white goods such as refrigerators and washing machines.

Working Principle

The ZTX1047AST is a NPN bipolar junction transistor (BJT) and its basic operating principle is like all other BJTs. In a BJT, the three main components are the base, collector, and emitter. The base is where current is injected, the collector receives the current, and the emitter carries and disposes the current. When the base current is increased, the current amplification process begins and the amplified current is extracted from the collector. The amount of current extracted is known as the gain, which is determined by the ratio of output current to input current.

Package Layout of ZTX1047AST

The ZTX1047AST is available in two versions – TO-126L and SOT-143. The TO-126L package is a TO-126 two-lead structure, and the SOT-143 package is a three-lead mini-flat plastic package. Both packages offer excellent heat dissipation capability, giving them advantages over other packages for power transistor applications.

Characteristic Features of ZTX1047AST Transistor

The ZTX1047AST has high gain, medium collector current and high transition frequency. Its typical DC current gain is between 500 to 900, the hFE range is between 300 to 900, and the high transition frequency is up to 1MHz. Its wide range of operating temperature from -55°C to +150°C makes it ideal for use in various kinds of applications.

Advantages of ZTX1047AST Transistor

The ZTX1047AST transistors offer the advantages of excellent high frequency performance, high collector current and high DC current gain. The power dissipation capability of the ZTX1047AST is also superior, with a maximum rating of 5W at 25°C and a maximum operating temperature of 150°C. These features make it ideal for various kinds of applications, including audio amplifier and amplifier circuits, computer peripheral circuits, communication circuits, sensing circuits and electronic control circuits.

Conclusion

The ZTX1047AST is a kind of medium-power NPN epitaxial silicon transistor with high gain, medium collector current and high transition frequency. It is available in two versions – TO-126L and SOT-143 – with excellent heat dissipation capability, making it suitable for a wide range of applications. Its high DC current gain, high collector current and high transition frequency enable the ZTX1047AST to provide outstanding high frequency performance. Therefore, it is widely used in audio amplification and amplifier circuits, computer peripheral circuits, communication circuits, sensing circuits, and electronic controlling circuits.

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