Microsemi Corporation
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2N3498L
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2N3498L Transistor

Product Overview

The 2N3498L is a bipolar junction transistor (BJT) belonging to the category of small-signal transistors. It is commonly used for amplification and switching applications due to its high gain and low noise characteristics. The transistor is typically packaged in a TO-92 package and is available in various quantities per package.

Basic Information

  • Category: Small-signal transistor
  • Use: Amplification and switching
  • Characteristics: High gain, low noise
  • Package: TO-92
  • Packaging/Quantity: Available in various quantities per package

Specifications

The 2N3498L transistor has the following specifications: - Maximum Collector-Emitter Voltage: Vce = 30V - Maximum Collector-Base Voltage: Vcb = 40V - Maximum Emitter-Base Voltage: Veb = 5V - Collector Current: Ic = 0.1A - Power Dissipation: 625mW

Detailed Pin Configuration

The 2N3498L transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High gain: The transistor offers high current gain, making it suitable for amplification purposes.
  • Low noise: It exhibits low noise characteristics, making it ideal for sensitive signal processing applications.

Advantages and Disadvantages

Advantages

  • High gain for amplification
  • Low noise for sensitive applications

Disadvantages

  • Limited maximum collector current compared to power transistors
  • Relatively low voltage ratings compared to high-power transistors

Working Principles

The 2N3498L operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The 2N3498L transistor finds application in various fields, including: - Audio amplification circuits - Signal processing and conditioning - Switching circuits in electronic devices

Detailed and Complete Alternative Models

Some alternative models to the 2N3498L transistor include: - 2N4401 - BC547 - 2N2222

In conclusion, the 2N3498L transistor is a versatile small-signal transistor with high gain and low noise characteristics, making it suitable for a wide range of amplification and switching applications in electronic circuits.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 2N3498L dalam solusi teknis

  1. What is the 2N3498L transistor used for?

    • The 2N3498L is a high-power NPN bipolar junction transistor commonly used in power amplifier and switching applications.

  2. What are the key specifications of the 2N3498L transistor?

    • The 2N3498L transistor typically has a maximum collector current of 10A, a maximum collector-emitter voltage of 80V, and a power dissipation of 150W.

  3. How do I determine the pinout of the 2N3498L transistor?

    • The pinout of the 2N3498L transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.

  4. What are some common applications of the 2N3498L transistor?

    • The 2N3498L transistor is often used in audio amplifiers, power supplies, motor control circuits, and general switching applications.

  5. What are the typical operating conditions for the 2N3498L transistor?

    • The 2N3498L transistor is designed to operate within a temperature range of -65°C to 200°C and is suitable for various voltage and current requirements.

  6. How do I properly bias the 2N3498L transistor in a circuit?

    • Proper biasing of the 2N3498L transistor involves setting the base voltage and current to ensure the transistor operates within its linear region for amplification or switching.

  7. Can the 2N3498L transistor be used in high-frequency applications?

    • While the 2N3498L can handle moderate frequencies, it is not specifically designed for high-frequency applications due to its inherent capacitance and transit time limitations.

  8. What are the typical failure modes of the 2N3498L transistor?

    • Common failure modes include thermal runaway, overvoltage stress, and excessive current leading to breakdown or degradation of the transistor's characteristics.

  9. Are there any recommended heat sinking or thermal management considerations for the 2N3498L transistor?

    • Yes, due to its power handling capabilities, proper heat sinking and thermal management are crucial to ensure the 2N3498L operates within its safe temperature limits.

  10. Where can I find detailed datasheets and application notes for the 2N3498L transistor?

    • Datasheets and application notes for the 2N3498L transistor can typically be found on semiconductor manufacturer websites or distributor platforms.