DJT4031N-13 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	3A
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 300mA, 3A
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	200 @ 1A, 1V
Power - Max:	1.2W
Frequency - Transition:	105MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-261-4, TO-261AA
Supplier Device Package:	SOT-223
Base Part Number:	DJT4031

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DJT4031N-13 Application Field and Working Principle

A transistor is a semiconductor device that can control and amplify electrical signals. The DJT4031N-13 transistor is part of a family of bipolar junction transistors (BJT) that are known for their high gain, small size, and low power consumption. This makes them a popular choice for many applications, including audio amplifiers and analog circuitry. The DJT4031N-13 is a power bipolar junction transistor (BJT) that has a collector current rating of 200 mA, a maximum collector-emitter voltage of 30 V, and a power dissipation of 500 mW. It is primarily used in audio amplifiers, DC to DC converters, and high-frequency switching transistor applications. It is also used in applications such as automotive, industrial, and audio applications.The BJT is a three-terminal electronic semiconductor device made up of two p-type and one n-type semiconductor layers. When a voltage is placed across the base and collector of the BJT, a current will flow across the base and collector. This current is known as collector current and it is amplified by the BJT\'s gain. The gain of the BJT is determined by the input current of the BJT.The operation of the BJT is based on the concept of minority carriers. A minority carrier is an electron or hole that has the opposite polarity of the majority carriers in the device. The majority carriers in a BJT device are the free electrons and free holes that are responsible for the current flow between the base and the collector.When a voltage is applied across the base and collector, the minority carriers are injected into the base region. These minority carriers are then attracted towards the collector where a current will then flow across the base and collector. This current is known as collector current.When the input current is increased, the gain of the BJT increases. This increase in gain is due to the fact that more minority carriers are injected into the base region and thus increasing the number of current channels that are available for current to flow.In conclusion, the DJT4031N-13 is a compact transformer that is ideal for many applications requiring extra power and high gain. It has a 200 mA collector current rating, a 30 V maximum collector-emitter voltage and a 500 mW power dissipation. The gain of the device is based on the amount of input current applied, which can be controlled for different applications. The BJT is a three-terminal device and its operation is based on minority carriers. As such, it is a great power source for audio amplifiers, DC to DC converters, and high-frequency switching transistor applications.

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