Central Semiconductor Corp
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2N2920A
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2N2920A Transistor

Product Overview

Category:

The 2N2920A is a bipolar junction transistor (BJT) belonging to the NPN type.

Use:

It is commonly used as an amplifier or switch in electronic circuits.

Characteristics:

  • Low power dissipation
  • High current gain
  • Medium frequency capability

Package:

The 2N2920A is typically available in a TO-18 metal can package.

Essence:

This transistor is essential for amplifying and switching signals in various electronic applications.

Packaging/Quantity:

The 2N2920A is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 40V
  • Collector-Emitter Voltage (VCEO): 20V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 600mA
  • Power Dissipation (PD): 625mW
  • Transition Frequency (ft): 150MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

  1. Collector (C)
  2. Base (B)
  3. Emitter (E)

Functional Features

The 2N2920A transistor offers high current gain, low power dissipation, and medium frequency capability, making it suitable for small-signal amplification and switching applications.

Advantages and Disadvantages

Advantages

  • High current gain
  • Low power dissipation
  • Medium frequency capability

Disadvantages

  • Limited voltage and current ratings compared to higher-power transistors
  • Sensitive to temperature variations

Working Principles

The 2N2920A operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

Small-Signal Amplification

The 2N2920A is commonly used in audio amplifiers, signal processing circuits, and sensor interfaces due to its high current gain and low power dissipation.

Switching Applications

In digital logic circuits and relay drivers, the 2N2920A serves as a reliable switch due to its medium frequency capability and fast switching characteristics.

Detailed and Complete Alternative Models

  • 2N2222A
  • BC547
  • 2N3904
  • PN2222A

In conclusion, the 2N2920A transistor is a versatile component widely used for small-signal amplification and switching applications in various electronic systems.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem 2N2920A w rozwiązaniach technicznych

  1. What is the 2N2920A transistor used for?

    • The 2N2920A is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the 2N2920A transistor?

    • The 2N2920A transistor typically has a maximum collector current of 600mA, a maximum collector-emitter voltage of 40V, and a maximum power dissipation of 625mW.

  3. How can I use the 2N2920A transistor as an amplifier?

    • The 2N2920A can be used as a small-signal amplifier by biasing it in the active region and connecting appropriate input and output circuitry.

  4. Can the 2N2920A be used for switching applications?

    • Yes, the 2N2920A can be used for low-power switching applications due to its moderate current and voltage ratings.

  5. What are some common circuit configurations using the 2N2920A?

    • Common configurations include common emitter amplifiers, emitter followers, and simple switch circuits.

  6. What are the typical operating conditions for the 2N2920A?

    • The 2N2920A is typically operated within a temperature range of -55°C to 150°C and is suitable for low to moderate frequency applications.

  7. Are there any important considerations when designing with the 2N2920A?

    • It's important to consider proper biasing, thermal management, and safe operating limits to ensure reliable performance.

  8. Can the 2N2920A be used in audio amplifier circuits?

    • Yes, the 2N2920A can be used in low-power audio amplifier circuits, especially for small portable devices.

  9. What are some alternative transistors to the 2N2920A?

    • Alternatives include the 2N2222A, BC547, and 2N3904, which have similar characteristics and can be used in its place in many applications.

  10. Where can I find detailed datasheets and application notes for the 2N2920A?

    • Datasheets and application notes for the 2N2920A can be found on semiconductor manufacturer websites or electronics component distributors' websites.