MJE15034

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MJE15034 Application Field and Working Principle

The MJE15034 is a NPN high-power transistors with a high voltage output range. It is considered a member of the Bipolar Junction Transistor (BJT) family of electronic devices and is classified as a single BJT. They excel at amplifying moderately strong signals, making it an ideal choice for a wide range of applications.

The MJE15034 may be found in the output stages of audio amplifiers, television receivers, industrial motor controllers, and other applications where high current and high voltage outputs are desirable. It can also be used in load switching applications, such as controlling the output to lamps, motors, and other high-current devices.

General Specifications

The MJE15034 is a NPN power transistor, capable of output currents up to 800mA and collector emitter voltages up to 150V. It has a maximum junction temperature of 150°C and is capable of handling a maximum power dissipation of 4 watts. It has a capacitance between the base and emitter of 18pF, with a maximum frequency of 50MHz.

It features a low gain current gain, with a typical hFE value of 50. The transistor has a low saturation voltage of 0.2 volts, making it ideal for audio amplifiers with low signal distortion. Its collector-emitter voltage rating is 1.4 volts.

PIN Does

The MJE15034 is available in a variety of package configurations, with pins labeled E, B, and C. These pins correspond to the emitter, base, and collector connections.

The emitter is the input terminal of the transistor, and it should be connected to the most positive supply voltage. The base is the control pin of the transistor, which applies a control voltage to the emitter. It should be connected to the desired signal source. Finally, the collector is the output terminal, and should be connected to the load that the transistor is intended to drive.

Working Principle

The MJE15034 functions by utilizing its CE junction, which allows for current amplification with a total of three PN junctions. This helps to ensure that the base current through the transistor is much smaller than the load current.

When a voltage is applied across the base and the emitter of the transistor, the base-emitter junction becomes forward-biased and current will flow through the transistor. This causes a small current to flow through the transistor, which is then amplified in the collector-emitter junction. This amplified current is then passed onto the load.

The MJE15034 also features a low voltage drop across the collector-emitter, which helps to ensure minimal power is lost during the amplification process, making it an ideal choice for applications which require high voltage and high current outputs.

Conclusion

The MJE15034 is a NPN power transistor, capable of outputting currents up to 800mA and collector-emitter voltage up to 150V. It is capable of handling a maximum power dissipation of 4 watts, and has a low saturation voltage of 0.2 volts. The transistor is available in a variety of package configurations, and its working principle relies on its CE junction for current amplification.

Due to its impressive output characteristics, the MJE15034 is an ideal choice for applications where high current and high voltage outputs are required, such as audio amplifiers, television receivers, and industrial motor controllers. It is also suitable for load switching, such as controlling the output to lamps, motors, and other high-current devices.

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