QST5TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Transistor Type:	PNP
Current - Collector (Ic) (Max):	2A
Voltage - Collector Emitter Breakdown (Max):	30V
Vce Saturation (Max) @ Ib, Ic:	370mV @ 75mA, 1.5A
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	270 @ 200mA, 2V
Power - Max:	1.25W
Frequency - Transition:	280MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Supplier Device Package:	TSMT6 (SC-95)
Base Part Number:	QST

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QST5TR Application Field and Working Principle

QST5TR is a 5A, 100V NPN medium power transistor that is widely used in power control in modern electronic circuits. It is made from a very high-quality silicon material and is extremely reliable. This makes it a perfect choice for applications that require precision and reliability.The main application fields of QST5TR are power control, switching, switching operations, inverter control, and in far-reaching power regulation systems. It is used for a wide variety of load control applications. It can be used to other controlling purpose such as temperature control, power on-off controlling, and lighting control.The QST5TR has an integrated time-delay circuit, which prevents quick turn-off or turn-on supplies. This feature is necessary to avoid the voltage inputs getting too high or too low. It is also used to switch the current flow within the circuit from one direction to another.The QST5TR has a working principle of “collector-emitter” switch mode. In this mode, the current flows from the collector to the emitter of the transistor when it is “on.” However, when the transistor is “off”, no current or voltage is coming through the device. The switch mode allows the current to change direction quickly and efficiently.The QST5TR is well adapted to a variety of systems requiring small power rating, energy efficiency, and fast switching times. This makes it an ideal choice to use in a wide range of high power applications. Additionally, there are no special requirements needed to operate this device, making it an easy-to-use and straightforward choice.The QST5TR has an exceptionally low gate capacitance, which makes it suitable for high frequency applications. This feature is especially beneficial for high speed switching devices. Its low capacitance also helps to keep the circuit loss at a minimum. Moreover, it has a low on-state resistance allowing it to deliver higher currents.Finally, the QST5TR is also rugged and robust, so it can withstand harsh environments easily. This makes it an ideal choice for industrial and commercial applications.To conclude, QST5TR is a perfect choice for applications where precision and reliability are of paramount importance. Its integrated time-delay circuit, “collector-emitter” switch mode, and other features make it a great choice for applications requiring high speed and power. Its low gate capacitance and low on-state resistance also make it ideal for high frequency and high current applications, making it a great choice for a wide range of applications.

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