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2N4930
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2N4930 Transistor

Product Overview

The 2N4930 is a bipolar junction transistor (BJT) belonging to the category of NPN transistors. It is commonly used for amplification and switching applications due to its high current and voltage capabilities. The 2N4930 exhibits characteristics such as low noise, high gain, and fast switching speed. This transistor is typically available in a TO-92 package and is widely used in various electronic circuits.

Package and Quantity

The 2N4930 transistor is commonly packaged in a TO-92 package, which contains one transistor per unit.

Specifications

  • Maximum Collector-Base Voltage: 40V
  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Emitter-Base Voltage: 5V
  • Continuous Collector Current: 600mA
  • Power Dissipation: 625mW
  • Transition Frequency: 100MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N4930 transistor has three pins: the collector (C), base (B), and emitter (E). In the TO-92 package, the pin configuration is as follows: - Pin 1: Emitter (E) - Pin 2: Base (B) - Pin 3: Collector (C)

Functional Features

The 2N4930 transistor offers high current gain, low noise, and fast switching speed, making it suitable for various amplification and switching applications. Its compact TO-92 package allows for easy integration into electronic circuits.

Advantages and Disadvantages

Advantages

  • High current gain
  • Low noise
  • Fast switching speed
  • Compact TO-92 package

Disadvantages

  • Limited power dissipation capability
  • Relatively low maximum collector-emitter voltage

Working Principles

The 2N4930 operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a larger current flow between the collector and emitter terminals. This property enables the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2N4930 transistor finds extensive use in audio amplifiers, signal processing circuits, and switching applications. Its high gain and low noise characteristics make it suitable for audio amplification, while its fast switching speed enables efficient signal processing and switching operations.

Detailed and Complete Alternative Models

Some alternative models to the 2N4930 transistor include the 2N2222, BC547, and 2N3904. These transistors offer similar characteristics and can be used as substitutes depending on specific circuit requirements.

In conclusion, the 2N4930 transistor is a versatile component with applications in amplification and switching circuits. Its high current gain, low noise, and fast switching speed make it a popular choice for various electronic designs.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 2N4930 dalam penyelesaian teknikal

  1. What is the 2N4930 transistor used for?

    • The 2N4930 is a general-purpose PNP bipolar junction transistor (BJT) commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the 2N4930 transistor?

    • The 2N4930 has a maximum collector-base voltage of 60V, a maximum collector current of 1A, and a maximum power dissipation of 625mW.

  3. How can the 2N4930 be used as an amplifier?

    • The 2N4930 can be used as an amplifier by biasing it in the active region and connecting it in common emitter configuration to amplify small input signals.

  4. Can the 2N4930 be used for switching applications?

    • Yes, the 2N4930 can be used for switching applications due to its ability to handle moderate currents and voltages.

  5. What are the typical operating conditions for the 2N4930?

    • The 2N4930 is typically operated within a temperature range of -65°C to 200°C and at low to moderate frequencies.

  6. How do I determine the appropriate biasing for the 2N4930 in my circuit?

    • The biasing of the 2N4930 can be determined based on the desired operating point and the specific requirements of the circuit, such as gain and linearity.

  7. Are there any common alternative transistors to the 2N4930?

    • Some common alternatives to the 2N4930 include the 2N4403, BC557, and BC558 transistors, which have similar characteristics and can be used in its place in many circuits.

  8. What are the typical applications of the 2N4930 in technical solutions?

    • The 2N4930 is commonly used in audio amplifiers, signal processing circuits, voltage regulators, and other general-purpose electronic applications.

  9. What precautions should be taken when using the 2N4930 in a circuit?

    • Precautions should be taken to ensure that the maximum ratings of the transistor are not exceeded, and proper heat sinking may be required to prevent overheating.

  10. Where can I find detailed datasheets and application notes for the 2N4930?

    • Detailed datasheets and application notes for the 2N4930 can be found on semiconductor manufacturer websites, distributor platforms, and electronics component databases.