Microsemi Corporation
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2N3499L
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2N3499L Transistor

Product Overview

Category:

The 2N3499L 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 2N3499L is typically available in a TO-92 package.

Essence:

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

Packaging/Quantity:

The 2N3499L is usually packaged in reels, tubes, or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 30V
  • Collector-Emitter Voltage (VCEO): 20V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 200mA
  • Power Dissipation (PD): 625mW
  • Transition Frequency (ft): 100MHz

Detailed Pin Configuration

The 2N3499L transistor has three pins: collector (C), base (B), and emitter (E). The pin configuration is as follows: - Collector (C): Pin 1 - Base (B): Pin 2 - Emitter (E): Pin 3

Functional Features

  • High current gain allows for small base current to control larger collector current.
  • Low power dissipation makes it suitable for low-power applications.
  • Medium frequency capability enables its use in audio and radio frequency circuits.

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

The 2N3499L operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a larger current flowing between the collector and emitter terminals, allowing for amplification or switching of signals.

Detailed Application Field Plans

Amplifier Circuits

The 2N3499L can be used in audio amplifier circuits due to its medium frequency capability and high current gain.

Switching Circuits

In digital electronics, the 2N3499L can act as a switch to control the flow of current in various applications.

Detailed and Complete Alternative Models

Some alternative models to the 2N3499L include: - 2N2222A - BC547 - 2N3904 - 2N4401

These alternatives offer similar characteristics and can be used as substitutes based on specific application requirements.

In conclusion, the 2N3499L transistor is a versatile component widely used in electronic circuits for amplification and switching purposes. Its unique combination of characteristics makes it suitable for a variety of applications in the field of electronics.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 2N3499L v technických řešeních

  1. What is the 2N3499L transistor used for?

    • The 2N3499L is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.

  2. What are the key specifications of the 2N3499L transistor?

    • The 2N3499L has a maximum collector current of 0.5A, a maximum collector-emitter voltage of 30V, and a maximum power dissipation of 0.625W.

  3. How can the 2N3499L be used in amplifier circuits?

    • The 2N3499L can be used as a small-signal amplifier in audio and radio frequency (RF) circuits due to its low noise and high gain characteristics.

  4. In what types of switching applications is the 2N3499L commonly employed?

    • The 2N3499L is often used in low-power switching applications such as signal switching and small load control.

  5. What are the typical operating conditions for the 2N3499L transistor?

    • The 2N3499L operates within a temperature range of -65°C to 200°C and is suitable for use in various electronic systems.

  6. Can the 2N3499L be used in high-frequency applications?

    • While the 2N3499L can be used in RF circuits, it may not be suitable for very high-frequency applications due to its transition frequency and capacitance characteristics.

  7. Are there any common alternative transistors that can be used in place of the 2N3499L?

    • Yes, alternatives such as the 2N2222, BC547, and BC548 transistors can be used as substitutes for the 2N3499L in many applications.

  8. What are the typical circuit configurations for using the 2N3499L in common emitter and common collector modes?

    • In common emitter mode, the 2N3499L provides voltage amplification, while in common collector mode, it acts as a current buffer.

  9. What are the considerations for driving the 2N3499L in a switching application?

    • When driving the 2N3499L in a switching application, it's important to ensure proper base current and voltage levels to achieve reliable switching behavior.

  10. Can the 2N3499L be used in low-power battery-operated devices?

    • Yes, the 2N3499L's low power dissipation and current requirements make it suitable for use in low-power and battery-operated devices.