BC237CG

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
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):	15nA
DC Current Gain (hFE) (Min) @ Ic, Vce:	380 @ 2mA, 5V
Power - Max:	350mW
Frequency - Transition:	200MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92-3
Base Part Number:	BC237

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The BC237CG transistor is a type of single bipolar junction transistor, commonly referred to as BJT. It is a four-layer NPN silicon device primarily used for general purpose amplifier, switch, and audio applications. The BC237CG is a general purpose NPN small signal bipolar junction transistor of significant popularity. It is rated for a wide range of power and frequency specifications and is capable of providing excellent linear gain at small currents. The BC237CG is an ideal choice for audio amplification due to its linear gain and fast switching capabilities. This allows the transistor to accurately reproduce sound over a wide frequency range. Additionally, the BC237CG has a low collector-emitter saturation voltage, which makes it suitable for amplifying low-level signals. The BC237CG can also be used as a switch. Its fast switching capabilities allow it to quickly change the state of an electrical circuit, thus allowing it to be used in application such as metering and lighting. The BC237CG is a four-layer NPN silicon device and has three separate pins: an emitter, a base and a collector. The emitter is the negative terminal and is the source of electrons for the transistor. The base is the middle terminal and controls the number of electrons flowing from the emitter and to the collector terminal. The collector is the positive terminal and the destination for the electrons from the emitter terminal. The operating principles of the BC237CG can be explained in terms of current flow. The transistor is made up of three layers: the N-type layer, the P-type layer and the Emitter-Base junction. In order for current to flow, the transistor needs a small bias voltage applied to the base. This will cause a few electrons to flow from the emitter to the base, creating a “depletion layer” of electrons. When electrons pass through this layer, they will be repelled by the P-type layer and will be drawn to the collector terminal, allowing current to flow. The number of electrons that flow through the transistor will depend on the base current. This current is determined by the voltage applied to the base. As the base voltage increases, more electrons will flow from the emitter to the base and increase the current flowing from the collector to the emitter. As the current increases, the voltage across the collector-emitter terminal will also increase, producing a “collector-emitter saturation”. This allows the transistor to be controlled using a small signal applied to the base, which will cause the current to increase or decrease over a wide range, allowing precise control over the current flowing through the transistor. It is also important to note that the BC237CG is a switching transistor, meaning that it can be used to control alternating current or direct current. It is capable of switching in the range of 2.5 DC to 5 AC, making it an ideal choice for applications such as metering or lighting.In conclusion, the BC237CG is a single bipolar junction transistor, commonly referred to as a BJT. It is often used for general purpose amplifier, switch, and audio applications and is rated for a wide range of power and frequency specifications. It is capable of providing excellent linear gain at small currents and is ideal for audio amplification due to its fast switching capabilities and low collector-emitter saturation voltage. The BC237CG can also be used as a switch, allowing it to quickly change the state of an electrical circuit. The operating principles of the BC237CG are based on current flow principles, and its properties allow it to control current over a wide range, allowing precise control over the current flowing through the transistor. It is also capable of switching in the range of 2.5 DC to 5 AC, making it ideal for metering and lighting applications.

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