CMPT2907A BK

Series:	--
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	600mA
Voltage - Collector Emitter Breakdown (Max):	60V
Vce Saturation (Max) @ Ib, Ic:	1.6V @ 50mA, 500mA
Current - Collector Cutoff (Max):	10nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 150mA, 10V
Power - Max:	350mW
Frequency - Transition:	200MHz
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction

A CMPT2907A BK is a type of transistor that falls under the category of Bipolar Junction Transistors (BJTs). A BJT is a type of transistor that uses both n-type and p-type semiconductor materials to control current or voltage levels. It is a type of single transistor, meaning that it has three terminals; the collector, base, and emitter. Within the category of single transistors, it has the most common usage and characteristics.

Applications

The CMPT2907A BK can be found in many applications, the most popular being for the design and construction of electrical circuits. It is an ideal choice for many projects due to its good voltage and current ratings, excellent stability, high gain and low power dissipation. These characteristics enable the CMPT2907A BK to be used in a wide range of electrical circuits, such as power supplies, amplifier circuits and amplifying receivers.The CMPT2907A BK has also been used in medical equipment and aerospace applications, to power up internal components in laptop computers and cell phones, and even to control LED lights. As a general rule, the CMPT2907A BK is usually utilized in applications where a high degree of control, high frequency operation and minimal power dissipation is required.

Working Principle

The working principle of a CMPT2907A BK is based on the idea of using the combination of two different types of semiconductor materials to control the flow of current. The CMPT2907A BK contains a base, collector, and emitter. The base is separated from the collector by a thin insulating layer, which allows current to pass through the base-collector junction.When voltage is applied to the base of the transistor, it creates a variation in the electric field, which in turn creates a current effect that allows electrons to flow from the base to the collector. This current flow is known as the base current and it is responsible for the transistor amplifying effect.To understand the transistor operation, it helps to consider the idea of a “virtual ground”, which is the voltage set by the collector. The emitter voltage is then set at a level that is lower than the virtual ground in order to create a potential difference between them. This potential difference will draw the electrons from base to the virtual ground, thus allowing the control of current from the collector to the emitter.

Conclusion

The CMPT2907A BK is a single transistor used for amplifying electrical circuits. It has excellent voltage and current ratings and high gain, making it ideal for many applications. It also provides good stability and low power dissipation. The main working principle is based on the idea of creating a "virtual ground" and controlling the electric field to allow current to flow from the base to the collector. All these features make the CMPT2907A BK an ideal choice for many applications.

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