2SA1309ASA

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	50V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 5mA, 50mA
Current - Collector Cutoff (Max):	1µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	290 @ 2mA, 10V
Power - Max:	300mW
Frequency - Transition:	80MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	NS-B1
Supplier Device Package:	NS-B1
Base Part Number:	2SA1309

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2SA1309ASA Application Field and Working Principle

Transistors are extremely important components in electrical engineering since they are used as amplifiers or switches in circuits. As a result, there is a wide variety of different types of transistors available on the market, depending on the application. The 2SA1309ASA is a popular model of single-bipolar junction transistor (BJT) used for audio amplification in electronic circuits. This article will discuss the application field and working principle of the 2SA1309ASA.The 2SA1309ASA transistor is primarily used for audio amplification in audio circuits. This type of transistor has an excellent power gain, meaning that it can amplify a small input signal to a higher level. Furthermore, the 2SA1309ASA is well suited for low-noise applications, making it ideal for use in audio amplifiers and other sound-sensitive applications.The working principle of the 2SA1309ASA is similar to any other type of single-bipolar junction transistor. A single-bipolar junction transistor is a three-terminal device consisting of two transistor terminals and a single collector terminal. The two transistor terminals are called the emitter and the base, while the single collector terminal is called the collector. When voltage is applied between the base and the emitter, it causes electrons to flow from the emitter to the collector, creating a current flow.The current flow, in turn, creates a voltage at the collector terminal, which is used to amplify the input signal. This is the basis of how the 2SA1309ASA transistor works. It takes a small input signal and amplifies it, then outputs the amplified signal for use in various applications.The 2SA1309ASA also has various features that make it particularly suitable for use in audio amplifiers. These features include a large capacity for a high collector-emitter voltage, low saturation voltage, and a low-noise package. These features combine to give the 2SA1309ASA excellent audio performance and reliability.In conclusion, the 2SA1309ASA is a specific type of single-bipolar junction transistor that is widely used for audio amplification in audio circuits. It is well suited for low-noise applications due to its excellent power gain, large capacity, and low-noise package. When voltage is applied between its base and emitter, it causes electrons to flow from the emitter to the collector, creating a current flow that is used to amplify the input signal. The 2SA1309ASA is an ideal choice for audio circuits due to its high performance and reliability.

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