Series:	--
Packaging:	Tube
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	4A
Voltage - Collector Emitter Breakdown (Max):	400V
Vce Saturation (Max) @ Ib, Ic:	1V @ 1A, 4A
Current - Collector Cutoff (Max):	100µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	10 @ 2A, 5V
Power - Max:	75W
Frequency - Transition:	--
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220AB

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PHE13005,127 Application Field and Working Principle of Transistors - Bipolar (BJT) - Single

Introduction

Transistors - Bipolar (BJT) - Single are a type of transistor used in many applications. The two most common types of transistors - Bipolar (BJT) - Single are NPN (Negative Positive Negative) and PNP (Positive Negative Positive). In this article, we\'ll discuss a specific transistor, PHE13005,127, and its application field and working principle.

Application of PHE13005,127 Transistor

The PHE13005,127 is a general-purpose NPN transistor with significant gain and breakdown voltage ratings. With a gain of 200, it is suitable for use as an amplifier in consumer audio applications, such as amplifying small signals from microphones or headphones. It can also be used as a switch in low current DC circuits, such as triggering relays.

Working Principle of PHE13005,127

A transistor is a three-terminal device composed of three semiconductor layers of different conductivity type (NPN and PNP). The three terminals of the PHE13005,127 are the collector, base and emitter. The base is a region of very high resistance which allows collect current to flow when a small amount of current is applied to the base. The collector and emitter form a saturated region of current flow when the base current is applied, called the forward biased region. When the current is applied to the base and the collector-emitter region is forward biased, the collector current flows from the collector to the emitter.The gain of the device is directly proportionate to the amount of base current applied. When the base current is increased, the gain is also increased, up to a maximum value. When a larger current is applied to the base, the collector current is increased accordingly, resulting in more power being delivered to the output of the device. This is the basis of operation of a transistor as an amplifier.

Conclusion

The PHE13005,127 transistor is a widely used NPN transistor with significant gain and breakdown voltage ratings. It is widely used in audio applications such as amplifying small signals from microphones or headphones, and as a switch in low current DC circuits. The three terminals of the PHE13005,127 are the collector, base and emitter. When a current is applied to the base and the collector-emitter region is forward biased, the collector current flows from the collector to the emitter. The gain of the device is directly proportionate to the amount of base current applied.

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