2N2918

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	2 NPN (Dual)
Current - Collector (Ic) (Max):	30mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	--
Current - Collector Cutoff (Max):	--
DC Current Gain (hFE) (Min) @ Ic, Vce:	150 @ 10µA, 5V
Power - Max:	600mW
Frequency - Transition:	60MHz
Operating Temperature:	--
Mounting Type:	Through Hole
Package / Case:	TO-78-6 Metal Can
Supplier Device Package:	TO-78-6

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2N2918 Application Field and Working PrincipleThe 2N2918 Application Field and Working Principle (BJT) is an array of transistors designed to facilitate complex transistor applications. It provides more than two transistors in a single package, making it ideal for complicated power products, high power amplifiers, and RF circuits. The 2N2918 array is a three terminal NPN silicon transistor array. Each transistor includes an isolated collector, a common base and an isolated emitter.Due to its unique architecture of three terminals, 2N2918 offers flexibility and performance advantages over other designs. Its three terminal system provides lower distortion and enables higher current handling. In addition, it facilitates the conversion between multiple versions of complex transistor circuits. As an example, 2N2918 offers a higher degree of control over amplification, output power and bandwidth.To describe the working principle of the 2N2918 array, we need to look at each of the three terminals. The common base terminal provides the ability to bias multiple transistors at the same potential. This terminal acts as the gateway for the input signal which is amplified by the array to the output. To ensure a high quality output, the common base terminal must be properly designed to control the base collector and base emitter current.The collector terminals act as the output voltages for the transistors. To ensure that the desired output is obtained, these terminals are designed to operate at different voltages. This ensures that when the transistors are subjected to a signal, they will produce different outputs.The emitter terminal, which is the last of the three terminals, produces the current that controls the output voltage. The emitter current can be varied by varying the base-collector voltage. As a result, the output current and voltage can be adjusted to meet the desired specifications.In conclusion, the 2N2918 is an array of transistors designed to provide a range of output options. It is ideal for use in high power and RF applications where controlled output and performance are a priority. With its three terminal system, it is able to offer better control over performance and output power. This makes it a great choice for applications where high power and efficiency are required.

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