BC847CW-7-F Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	600mV @ 5mA, 100mA
Current - Collector Cutoff (Max):	20nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	420 @ 2mA, 5V
Power - Max:	200mW
Frequency - Transition:	300MHz
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323
Base Part Number:	BC847

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BC847CW-7-F Application Field and Working Principle
BC847CW-7-F transistors are part of the BC847 family of NPN bipolar transistors. They feature a wide variety of small signal applications and can operate up to 3 Watts. BC847CW-7-F transistors can be used for switching, amplification, and interfacing of digital and analog electrical signals.
BC847CW-7-F transistors are built using a bipolar junction transistor (BJT) architecture, which consisting of three regions of doped semiconductor material connected as source, gate and drain, as shown in the diagram. In this configuration, the transistor works as a current amplifier, where a small input current is converted into a larger output current. This is accomplished by applying a small amount of voltage to the base, which modulates the current flow between the emitter and the collector. As the base voltage increases, more current flows between the emitter and the collector and the the collector current increases. This is known as the amplification effect of bipolar junction transistors.
The BC847CW-7-F transistors are designed to operate up to 3 Watts and are commonly used in low-power driver applications, such as audio amplifiers, rectifiers and switching circuits. They feature a very low voltage drop and thus require very little power to operate. The transistors also have a wide variety of current gains and can be used in medium to high gain amplifiers. BC847CW-7-F transistors are also relatively easy to use and come in a variety of packages, allowing for easy integration into circuit designs.
The BC847CW-7-F transistors can be employed for a wide range of applications due to their fast switching characteristics, low voltage drop, and wide range of current gains. They have a maximum collector-emitter voltage of 40V and minimum collector-emitter saturation voltage of 0.2V. The collector current is rated at 800mA, making them ideal for low power driver application, rectification and amplification, as well as digital and analog interfacing. The maximum operating temperature of the devices is typically 150°C, which gives designers flexibility in terms of application requirements. In addition, the devices are hermetically sealed, making them resistant to electrical shock and vibration, making them ideal for use in harsh environments.
Given their low power dissipation, wide range of current gains, and fast switching characteristics, BC847CW-7-F transistors can be used in a wide range of applications including audio amplifiers, rectifiers and switching circuits. Additionally, due to their hermitically sealed encapsulation, they are ideal for use in harsh environments such as automotive and industrial applications. In addition, their wide variety of packages make them easy to integrate into circuit designs.

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