TPC6503(TE85L,F,M)

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TPC6503 (TE85L,F,M) is a small-signal NPN transistor, classified as a Single Bipolar (BJT) Transistor. It is a highly economized version of the classic 2N2222A, but lacks some features such as extra collector output current and improved collector-base breakdown voltage. It is capable of handling medium-to-high voltage up to 1200V.TPC6503 is a highly versatile device, and is used in many applications. It is used in switching and amplification circuits, for power supply and audio amplifiers, for heating elements, blowers and other consumer electronics, etc. It is also used in DC and AC motor drivers, logic circuits and communications electronics.The working principle of the TPC6503 can be easiest understood by looking at its structure. It consists of two PN junctions placed side by side, one being the emitter-base junction and other being the collector-base junction. In order to turn on the transistor, a small amount of current is required to be passed through the base-emitter junction which forward biases it. This forward bias causes minority carriers to flow from the emitter to collector region which in turn cause a large current to flow from the collector to the emitter region.The current gain of the transistor is determined by the ratio of its collector current to its base current, which is known as current gain (DC gain or amplification factor). For the TPC6503, the current gain can range from 45 to 500 depending on the collector current. It also has a high frequency gain (AC gain) of about 25-200.To sum it up, TPC6503 (TE85L,F,M) is a Single Bipolar (BJT) Transistor which finds its applications in switching and amplification circuits, logic circuits, communications electronics, power supplies, audio amplifiers, heating elements, blowers, etc. It has a high current gain which ranges from 45 to 500. It operates on a medium voltage up to 1200V, and also has high frequency gain of 25-200.

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