2SD1664T100Q

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2SD1664T100Q application field and working principle

The 2SD1664T100Q is a Surface Mount NPN General-Purpose Transistor designed for switching and general amplification purposes. The 2SD1664T100Q is a part of the 2SD16 series which is made up of surface mount NPN and PNP general purpose transistors, developed specifically for use in digital circuits.

The 2SD1664T100Q offers a wide range of features, including low collector-emitter saturation voltage, high gain, high frequency switching, and high performance DC current gain. Additionally, this transistor provides low power dissipation, fast switching and excellent DC stability.

The 2SD1664T100Q is designed to operate in a variety of applications, including high frequency amplifiers, linear and switching power amplifiers, motor speed controllers, switching circuits and AC/DC voltage converters, among others.

The 2SD1664T100Q is a 3-pin surface mount NPN transistor with a collector-base voltage rating of up to 150V, a collector-emitter voltage rating of up to 100V, and a collector current of up to 2A. It is designed with a 1.6A saturation current rating, a hFE of up to 800, and an FT of up to 200MHz.

Working Principle

The 2SD1664T100Q is a type of NPN (Negative-Positive-Negative) bipolar junction transistor that utilizes the base-emitter junction for the purpose of amplification. The base-emitter junction can either be forward biased or reverse biased, depending on the type of operation being performed. When the base-emitter junction is forward biased, current flows from the base to the emitter and current flows through the Collector-Emitter connection. This is known as the amplified stage.

In the reverse-biased arrangement, current does not flow in the base-emitter junction, and current flows from the emitter to the collector. This is known as the non-amplified stage. The action of the 2SD1664T100Q takes place depending on the applied voltage at the base-emitter junction.

The functionality of the 2SD1664T100Q in an application can be summarized by the following equations:

• The collector current (I_C) is equal to the base current (I_B) multiplied by the current gain of the transistor (h_FE). This is denoted by the equation I_C = I_B x h_FE.
• The base current (I_B) can be defined as the input current for the transistor, and is equal to the collector current (I_C) divided by the current gain (h_FE). This is denoted by the equation I_B = I_C / h_FE.
• The collector-emitter voltage (V_CE) is equal to the base-emitter voltage (V_BE) multiplied by the current gain of the transistor (h_FE). This is denoted by the equation V_CE = V_BE x h_FE.

The 2SD1664T100Q has excellent high-frequency switching characteristics, ensuring that it is an ideal choice for many digital applications. Furthermore, its fast switching speed makes it suitable for high-speed switching circuits.

The 2SD1664T100Q provides high performance DC current gain, making it an excellent choice for power amplifier circuits. Its low power dissipation and excellent stability make it suitable for many AC/DC voltage converters, motor speed controllers, and low noise switching circuits.

The 2SD1664T100Q is a versatile and reliable NPN general purpose transistor that offers excellent performance in a variety of applications. Its wide range of features, high gain, and fast switching speed make it a reliable choice for many applications.

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