2SD250400A

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	5A
Voltage - Collector Emitter Breakdown (Max):	10V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 100mA, 3A
Current - Collector Cutoff (Max):	1µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	300 @ 500mA, 2V
Power - Max:	750mW
Frequency - Transition:	170MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-B1
Base Part Number:	2SD2504

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While transistors come in a variety of shapes and sizes, 2SD250400A transistors are a type of single, bipolar junction (BJT) transistor. This type of transistor has a base, a collector, and an emitter junction, and they are used mainly in applications that need voltage amplification, current stabilization, and signal switching. 2SD250400A transistors typically come in a variety of packages. The pinout of a 2SD250400A transistor is usually found on the side of the pin package. This type of transistor, when connected properly, can provide a voltage gain of up to 300 v/v, with a low saturation voltage of 0.45 volts and a maximum collector current of 500 mA.The working principle of a 2SD250400A transistor can be broken down into three stages. The first stage is the input stage, which consists of the base and emitter junction. The base of the transistor is the control terminal, or gate, so it is the part of the transistor that receives electrical voltage. As the voltage changes, the flow of electrons between the base and the emitter junction changes due to the change in potential difference, which then changes the current flow in the circuit. The second stage is the collector junction, which consists of the base and collector. The collector junction is the output stage for the transistor, and it is where the majority of current flow occurs in the transistor. The collector junction is the part of the transistor that supplies the amplified voltage by allowing electrons to move between the base and the collector junction. The third stage is the reverse-biased diode, which is connected to the collector and emitter junctions. The diode acts as a transient voltage suppressor, as it prevents high voltage spikes that can damage the transistor. The reverse-biased diode also prevents any current from flowing in the opposite direction, which ensures that the transistor remains in a "on" state.Due to their high voltage gain and low saturation voltage, 2SD250400A transistors are suitable for applications such as electro-optical relays, switching relays, high-voltage bipolar amplifiers, small digital logic components, and other applications that need voltage and current control. For applications that require current buffering or amplification, the 2SD250400A transistors are well-suited to the job. With the help of reverse-biased diode, the collector and emitter junctions are protected from high voltage spikes, which may otherwise damage the component. In conclusion, the 2SD250400A transistors are versatile, efficient, and reliable components that are suitable for several applications that require voltage and/or current control. They are capable of providing high voltage gain, low saturation voltage, and protection against high voltage spikes due to their reverse-biased diode component. The pinout of the component is also clearly labeled on the side of the package which makes it easy to hook up in a circuit.

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