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2N4402_D81Z
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2N4402_D81Z

Product Overview

Category:

The 2N4402_D81Z belongs to the category of small-signal transistors.

Use:

It is commonly used for amplification and switching of electronic signals in various applications.

Characteristics:

  • Small-signal NPN bipolar junction transistor
  • High current gain
  • Low noise
  • Medium power dissipation

Package:

The 2N4402_D81Z is typically available in a TO-92 package.

Essence:

This transistor is essential for signal amplification and switching in electronic circuits.

Packaging/Quantity:

The 2N4402_D81Z is usually packaged in reels or tubes, with quantities varying based on supplier specifications.

Specifications

  • Collector-Base Voltage (Vcbo): 40V
  • Collector-Emitter Voltage (Vceo): 40V
  • Emitter-Base Voltage (Vebo): 5V
  • Collector Current (Ic): 600mA
  • Power Dissipation (Pd): 625mW
  • Transition Frequency (ft): 250MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

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

Functional Features

  • High current gain
  • Low noise
  • Suitable for low-power applications
  • Fast switching speed

Advantages

  • Versatile usage in amplification and switching circuits
  • Compact TO-92 package
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Moderate transition frequency

Working Principles

The 2N4402_D81Z operates as a small-signal NPN transistor, where the flow of current between the collector and emitter is controlled by the base current. It amplifies and switches electronic signals based on the input at the base terminal.

Detailed Application Field Plans

The 2N4402_D81Z is widely used in: - Audio amplifiers - Signal processing circuits - Switching applications in electronic devices - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N4402_D81Z include: - 2N4401 - BC547 - 2N2222 - BC337

In conclusion, the 2N4402_D81Z is a versatile small-signal transistor with applications in various electronic circuits, offering high current gain and low noise characteristics. Its compact package and wide operating temperature range make it suitable for diverse electronic designs.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 2N4402_D81Z en soluciones técnicas

  1. What is the 2N4402_D81Z transistor used for?

    • The 2N4402_D81Z is a general-purpose PNP bipolar junction transistor commonly used in amplification and switching applications.

  2. What are the key specifications of the 2N4402_D81Z transistor?

    • The 2N4402_D81Z has a maximum collector current of 600mA, a maximum collector-emitter voltage of 40V, and a maximum power dissipation of 625mW.

  3. How do I identify the pinout of the 2N4402_D81Z transistor?

    • The pinout of the 2N4402_D81Z transistor is typically identified as the emitter (E), base (B), and collector (C) when viewing the flat side with the leads pointing downward.

  4. What are some common circuit configurations using the 2N4402_D81Z transistor?

    • Common configurations include common emitter, common collector, and common base configurations for amplification and switching purposes.

  5. Can the 2N4402_D81Z be used for low-power applications?

    • Yes, the 2N4402_D81Z is suitable for low-power applications due to its moderate current and voltage ratings.

  6. What are the typical operating conditions for the 2N4402_D81Z transistor?

    • The 2N4402_D81Z operates within a temperature range of -55°C to 150°C and is suitable for use in various electronic circuits.

  7. Are there any specific considerations for driving the 2N4402_D81Z in a switching application?

    • It's important to ensure proper base current and voltage levels to achieve reliable switching performance and avoid saturation or cutoff regions.

  8. Can the 2N4402_D81Z be used in audio amplifier circuits?

    • Yes, the 2N4402_D81Z can be utilized in small signal audio amplifier circuits due to its moderate power handling capabilities.

  9. What are the typical gain characteristics of the 2N4402_D81Z transistor?

    • The DC current gain (hFE) of the 2N4402_D81Z ranges from 100 to 300 under specified test conditions.

  10. Are there any recommended alternative transistors to the 2N4402_D81Z for similar applications?

    • Some alternatives include the 2N4403, BC557, and BC558 transistors, which offer similar PNP characteristics for various technical solutions.