JAN2N5151

Series:	Military, MIL-PRF-19500/545
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	2A
Voltage - Collector Emitter Breakdown (Max):	80V
Vce Saturation (Max) @ Ib, Ic:	1.5V @ 500mA, 5A
Current - Collector Cutoff (Max):	50µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	30 @ 2.5A, 5V
Power - Max:	1W
Frequency - Transition:	--
Operating Temperature:	-65°C ~ 200°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-205AD, TO-39-3 Metal Can
Supplier Device Package:	TO-39 (TO-205AD)

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Introduction

The JAN2N5151 is a type of bipolar junction transistor (BJT) that is part of a large family of BJTs. Due to its high current gains, it is commonly used as a power amplifier for audio applications as well as for switching low-power circuits. It is a single-transistor device that consists of two p-type and one n-type semiconductor layers, with the n-type layer being the middle or base layer. This produces a three-terminal device with the other two terminals consisting of the emitter and collector.

Applications

The JAN2N5151 is known for its general purpose transistor capabilities and can be used in a variety of applications ranging from switching, amplification, and even noise suppression.One of the most widely used applications of the JAN2N5151 is audio power amplification. This is because of its high current gain and high power rating, allowing it to drive large speakers and amplifiers.The JAN2N5151 is also used in logic gates and switching circuits, allowing them to function properly. As a logic gate, it can act as a Boolean AND, OR, and NAND gate.Finally, the JAN2N5151 can be used in noise suppression applications, where it filters out high and low-frequency signals. Its ability to switch between DC and AC signals quickly also makes it well suited for this application.

Working Principle

The JAN2N5151 works by controlling the flow of current between the collector and emitter. This is done by changing the voltage across the base-emitter junction, which is achieved by applying a voltage to the base terminal.When a positive voltage is applied to the base terminal, the voltage is “emitted” and creates an electromagnetic field, which attracts electrons from the collector and repels electrons from the emitter. This creates a small current from the collector to the emitter, increased by the current gain of the transistor. When the negative voltage is applied, the opposite effect occurs and the current is diverted away from the collector to the emitter, decreasing the amount of current that flows through the transistor.

Conclusion

The JAN2N5151 is a valuable tool for audio and other signal applications, being able to function as both a switch and an amplifier. Its three-terminal structure, high current gains, and ability to switch between DC and AC signals quickly, make it well suited for a wide range of applications such as audio amplification, logic gates, and noise suppression.

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