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2N4403_J05Z application field and working principle

2N4403_J05Z is a representative type of single bipolar junction transistors (BJT). It is widely used in non-audio frequency amplifier, switching circuit and circuit for general purpose. As a low power transistor, it can offer good working performance with wide voltage ranges and highly consistent power capability.

Description

2N4403_J05Z is a low power NPN silicon junction transistor which is available in an inexpensive TO-92 package. It is one of the most commonly used transistors in the electronics industry. This device has low amplifier noise figure, high current gain and low input capacitance. It is also used in circuits that need to switch many devices on and off slowly.

Features

• Power dissipation: 500mW
• Collector-emitter voltage: 50V
• Collector-base Voltage: 60V
• Emitter-base voltage: 5V
• Current gain: 200 – 500
• Operating temperature range: -65° – 150°C
• Package size: TO-92

Application field

2N4403_J05Z can be used in a variety of applications. It is widely used in amplifiers, switches and general purpose circuits. It is suitable for analog signal amplification and switching applications. For example, it can be used for voltage regulation, level shifting, current limiting and energy saving purpose. It can also be used as switch for logic gate, inverting buffer and low noise amplifier.

Working principle

A transistor is nothing more than a semiconductor device consisting of three major layers, known as the emitter, base and collector. A voltage is applied to the base of the transistor which controls it inversely. When the base voltage is at the same level as the collector voltage, no current can pass through the transistor. On the other hand, when the base voltage rises, current will flow from the emitter to the collector.

In 2N4403_J05Z, current gain is very high. When a small current is fed through the base terminal the collector current will increase proportionally. This makes the transistor an ideal switch in many situations. It can also be used as an amplifier in low power applications. The amplifier can accept a small input voltage and convert it into a much larger output voltage.

In addition, 2N4403_J05Z requires very low power to operate. This is because it has very low operating power losses when compared to other transistor types. Therefore, it is an ideal device for applications where low power consumption is important.

Overall, 2N4403_J05Z is an ideal device for many applications. Its power rating, high current gain and wide voltage range makes it suitable for use in many circuits.

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