2SA1037AKT146S

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Transistor Type:	PNP
Current - Collector (Ic) (Max):	150mA
Voltage - Collector Emitter Breakdown (Max):	50V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 5mA, 50mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	120 @ 1mA, 6V
Power - Max:	200mW
Frequency - Transition:	140MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SMT3
Base Part Number:	2SA1037

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The 2SA1037AKT146S transistors are categorized as single bipolar junction transistors (BJT). Theyare commonly used in many common applications where bipolar transistors are needed, such as small signal amplifying, switching circuit, low noise amplifying and others. In this article, we will delve into the application fields and working principle of the 2SA1037AKT146S transistors. The main application fields for the 2SA1037AKT146S transistors are amplifying, switching, and noise reduction. The device is mainly used in low noise amplifier applications. It is also well-suited to applications such as audio amplifiers, voltage regulators, and motor control circuits. The device is also used as an audio switch when utilized in combination with the 2SC719FZ. Additionally, the low-noise characteristics of this transistor make it a suitable choice for preserving high-quality audio signals.In terms of its working principle, the basic function of the 2SA1037AKT146S transistor is to provide current gain, which is achieved by using its three terminals, namely the base, collector, and emitter terminals. The base terminal receives the main controlling signal, which determines the level of current being passed through the other two terminals, the collector and the emitter. The collector is the terminal which carries a large current from the device and is usually connected to loads powered by the transistor. The emitter terminal receives the controlled current from the base, and passes this current to the external circuit connected to it.The large current flows from the power source to the collector, which is then passed on to relevant components in the external circuit. The base-emitter terminal is used to connect the transistor to the controlling signal, which can be a voltage or a current signal. Depending on the type of transistor, the output current and voltage can either be increased or decreased.The base-emitter junction of a 2SA1037AKT146S transistor acts as a diode and allows the forward flow of current, thereby allowing the current to flow from the emitter to the collector. When the control signal is applied to the base, it changes the current gain by making the base-emitter junction more or less resistive. During this process, the current gain, or the current flow from the collector to the emitter, is controlled by the current at the base terminal.2SA1037AKT146S transistors operate within a specific range of voltage and currents and have a power dissipation rating of 600mW. The maximum collector-base voltage range is 80V, and the collector-emitter voltage is nominally 75V. The range for the collector current is 0.2A to 1.5mA, and the base current range is 1mA to 12mA.In summary, the 2SA1037AKT146S transistors are single bipolar junction transistors (BJT), which are mainly used in audio amplifying, switching, and noise reduction applications. The device utilizes three terminals, namely the collector, base and emitter, and the current gain obtained by these three terminals is determined by the controlling signal applied at the base. Additionally, the transistors operate within a specific range of voltage and current and have a power dissipation rating of 600mW.

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