Transistor classification

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Transistor classification

material

Semiconductor materials used in transistors can be classified into silicon material transistors and germanium material transistors. According to the polarity of the transistor, it can be classified into a , silicon NPN type transistor, and a silicon PNP type transistor.

Process

Transistors can be classified into diffusion type transistors, alloy type transistors, and planar type transistors according to their structures and manufacturing processes.

Current capacity

Transistors can be divided into small power transistors, medium power transistors, and high power transistors according to current capacity.

working frequency

Transistors can be classified into low frequency transistors, high frequency transistors, and ultra high frequency transistors according to the operating frequency.

Package structure

According to the package structure, the transistor can be divided into a metal package (referred to as a gold seal) transistor, a plastic package (referred to as a plastic package) transistor, a glass case package (referred to as a glass seal) transistor, a surface package (chip) transistor, and a ceramic package transistor. Its package is available in a variety of shapes.

By function and purpose

Transistors can be classified into low noise amplifying transistors, medium and high frequency amplifying transistors, low frequency amplifying transistors, switching transistors, Darlington transistors, high back pressure transistors, band stop transistors, damped transistors, microwave transistors, phototransistors and magnetics according to function and use. Sensitive transistors and other types.