2N7052_D74Z

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The 2N7052_D74Z is a type of single-transistor, bipolar junction transistors (BJT). This model of transistor is known for its strong and reliable performance characteristics, making it suitable for most high-current applications. Its low power requirement is also beneficial for areas with limited power supply. This page will provide an overview of the 2N7052_D74Z\'s application field, working principle, and various specifications.

Application Fields

The 2N7052_D74Z is designed for use in applications that require high current transmission and fast switching times. It is commonly used in industrial control systems, radio communication equipment, as well as in high-frequency circuits. The device is also suitable for audio amplification, low-power amplifiers, power supplies, voltage regulation, and digital signal processing. In addition, it can be used in medical applications, such as the delivery of medical gas.

Working Principle

The 2N7052_D74Z is operated by applying current or voltage to the collector and base. When current is applied to the collector, the transistor will begin to allow current to pass from the collector to the base. This is known as forward conduction. According to Ohm\'s law, the voltage across a current path is determined by multiplying the current by the resistance. Therefore, when the current is increased, the voltage will also increase. This is what is referred to as transistor gain.

When the base current is increased, the output current to the collector increases. This is what is referred to as the forward current gain (which is typically in the range of 120 to 200). The output current of the 2N7052_D74Z can be further increased by adding a resistor in series with the base of the transistor, which is known as the emitter-base resistor. This resistor serves to limit the current flow from the emitter to the collector, resulting in higher output current for the same base current.

In addition to forward conduction, the 2N7052_D74Z also allows current to pass from the collector to the emitter. This is known as reverse conduction, and it is used to protect the transistor from overloads. The device has a breakdown voltage of 300V, meaning that it can withstand reverse currents up to this value without damage.

Specifications

The 2N7052_D74Z is designed with a maximum collector current of 3A and a maximum power dissipation of 7W. It also has a collector-emitter voltage of 15V and a collector-emitter voltage of 30V. The device is available with a range of emitter and base sizes, with the most common being 2.54mm and 1.27mm. The device has a standard operating temperature range of -65°C to +150°C.

In addition, the 2N7052_D74Z has a maximum gain-bandwidth product (fT) of 6.5GHz and a maximum storage time (ts) of 400ns. The device also has a high open-loop gain of 110dB and a noise figure of 1.7dB. The device has a low input capacitance of 2.9pF and a low input resistance of 10MΩ. It also has a high reverse transfer capacitance of 6.7pF.

Conclusion

The 2N7052_D74Z is a single-transistor, bipolar junction transistor designed for use in high-current applications. It has a low power requirement, broadband characteristics, and fast switching times, making it suitable for a variety of applications. Its high current transmissions and open-loop gain provide optimization in certain areas, and its low input capacitance and low input resistance make it ideal for use in low-power amplifiers. The device is also available in a range of sizes with standard operating temperature ranges. This makes the 2N7052_D74Z an excellent choice for intensive commercial, industrial and consumer electronics applications.

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