2SC5172(YAZK,Q,M)

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The 2SC5172 is a NPN silicon transistor, belonging to the family of Bipolar Junction Transistors (BJT). It is a single transistor and has the letter designation of YAZK,Q,M.

The 2SC5172 is primarily used in the applications which require high power, low-frequency switching and amplification. Due to its medium power gain and DC current gain, it is suitable for use as a very high-speed switch. It is one of the few transistors with a breakdown voltage of 15V, which makes it ideal for use in high voltage applications. The maximum collector-emitter voltage and collector-base voltage is 10V and the maximum collector current is 2A.

The transistor is constructed using the PNP epitaxial planar type. It consists of three layers of silicon which are divided into two regions. The base region is made of lightly doped silicon, while the collector and emitter regions of silicon are heavily doped.

The 2Sc5172 transistors operate in three main regions: cutoff, saturation, and active.

In the cutoff region, the transistor is totally off. None of the current flows through the base and collector of the transistor. This means that the base voltage is higher than the collector voltage.

In the saturation region, the transistor is completely on. All the current flows through the base and collector of the transistor. This means that the base voltage is lower than the collector voltage.

In the active region, the transistor is partially on. This means that the base voltage is in between the collector and emitter voltages.

The 2SC5172 transistor works on the principle of the pnpn switching action. When a positive voltage is applied to the base, current flows from the emitter to the collector. When the positive voltage is removed, the current stops flowing.

The 2SC5172 transistor is used in a variety of applications. It is used in high voltage switching, audio amplification, and low-frequency amplifiers. It is also used in voltage regulators, power supplies, and industrial process control systems.

The 2SC5172 transistor is a cost-effective and reliable choice for those who need a transistor with a high voltage rating, medium power gain, and a relatively high switching speed. It is available in a variety of packages, making it easy to find one that fits your needs.

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