DSA7U01R0L

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	100V
Vce Saturation (Max) @ Ib, Ic:	600mV @ 50mA, 500mA
Current - Collector Cutoff (Max):	--
DC Current Gain (hFE) (Min) @ Ic, Vce:	130 @ 150mA, 10V
Power - Max:	1W
Frequency - Transition:	120MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-243AA
Supplier Device Package:	MiniP3-F2-B
Base Part Number:	DSA7U01

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IntroductionThe DSA7U01R0L is an example of a single bipolar junction transistor (BJT). A BJT is an active semiconductor device that controls current with three terminals, a Collector (C), a Base (B) and an Emitter (E). In a BJT, the current flow between the Collector and Emitter is controlled by the current through the Base. The current-sensitive operation of the BJT is what makes it a versatile and practical device.ApplicationsDSA7U01R0L is designed for general-purpose switching and amplification applications. Examples of these applications include DC-DC converters, Class-D amplifiers, high-efficiency motor control amplifiers, audio amplification, and switching power supplies.The DSA7U01R0L is particularly useful for Power Supplies. It contains integrated circuit safety features to protect against electrical overloads and has a low-noise output, making it an ideal solution for applications that require low-noise switching and amplification, such as power supplies for medical and industrial applications.The DSA7U01R0L is also suitable for high-frequency switching. It has a very fast switching time and a low on-resistance value, making it suitable for applications such as communications and motion control systems, where fast switching is essential.Working PrincipleWhen a voltage is applied to the Base of a BJT, it creates a small electric current through the Base-Emitter Junction. This current then creates a larger electric current through the Collector-Emitter Junction, which is determined by the Base current. The current flowing through the Collector is determined by the ratio between the Base and Collector currents, called the “transconductance.”In the case of the DSA7U01R0L, the transconductance ratio is fixed to optimize its switching and amplification capabilities. This transconductance ratio is determined by the “size” of the Base and Collector, which is referred to as the “gain” of the BJT.ConclusionThe DSA7U01R0L is a single bipolar junction transistor that is designed for general-purpose switching and amplification applications. Its low-noise output and fast switching times make it an ideal solution for power supplies, motor control amplifiers, audio amplifiers and high-frequency switching applications. Its transconductance ratio is fixed to optimize its switching and amplification capabilities.

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