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2N6490
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2N6490 Transistor

Product Overview

The 2N6490 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 transistor exhibits characteristics such as low noise, high gain, and fast switching speed. It is typically available in a TO-92 package and is widely used in various electronic circuits.

Package and Quantity

The 2N6490 transistor is commonly packaged in a TO-92 package, which contains one transistor per unit.

Specifications

  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector-Base Voltage: 40V
  • Maximum Emitter-Base Voltage: 5V
  • Continuous Collector Current: 0.5A
  • Power Dissipation: 625mW
  • Transition Frequency: 150MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N6490 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

The 2N6490 transistor offers the following functional features: - High current and voltage capabilities - Low noise and high gain - Fast switching speed

Advantages and Disadvantages

Advantages

  • High current and voltage capabilities
  • Low noise and high gain
  • Fast switching speed

Disadvantages

  • Limited power dissipation capability
  • Relatively narrow operating temperature range

Working Principles

The 2N6490 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 the transistor to amplify or switch electronic signals.

Detailed Application Field Plans

The 2N6490 transistor finds extensive use in the following application fields: - Audio amplifiers - Switching circuits - Signal amplification - Oscillator circuits - Voltage regulators

Detailed and Complete Alternative Models

Some alternative models to the 2N6490 transistor include: - 2N4401 - BC547 - 2N2222 - BC548 - 2N3904

In conclusion, the 2N6490 transistor is a versatile component with high current and voltage capabilities, making it suitable for a wide range of electronic applications. Its low noise, high gain, and fast switching speed make it a popular choice among electronics enthusiasts and professionals alike.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 2N6490 dalam solusi teknis

  1. What is the 2N6490 transistor used for?

    • The 2N6490 is a PNP bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the 2N6490 transistor?

    • The 2N6490 has a maximum collector-emitter voltage of 80V, a collector current of 3A, and a power dissipation of 25W.

  3. How can the 2N6490 be used in amplifier circuits?

    • The 2N6490 can be used as a small-signal amplifier in audio and other low-power applications due to its high current gain and low noise characteristics.

  4. Can the 2N6490 be used for switching applications?

    • Yes, the 2N6490 can be used for low-power switching applications due to its moderate switching speed and high current capability.

  5. What are some typical circuit configurations using the 2N6490?

    • Common configurations include common emitter amplifiers, emitter followers, and various switching circuits.

  6. What are the thermal considerations when using the 2N6490?

    • Proper heat sinking is important to ensure the 2N6490 operates within its temperature limits, especially when used in high-power applications.

  7. Are there any alternative transistors that can be used in place of the 2N6490?

    • Yes, similar transistors such as the 2N4403 or 2N3906 can be used as substitutes in many applications, but it's important to check the specific requirements of the circuit.

  8. What are the typical operating conditions for the 2N6490?

    • The 2N6490 is typically operated at a collector current of a few hundred milliamps to a few amps, with a base current sufficient to drive it into the desired operating region.

  9. Can the 2N6490 be used in high-frequency applications?

    • While the 2N6490 can operate at moderate frequencies, it is not specifically designed for high-frequency applications and may have limitations in those scenarios.

  10. Where can I find detailed application notes for using the 2N6490 in technical solutions?

    • Detailed application notes and example circuits can often be found in the datasheet provided by the manufacturer, as well as in electronics textbooks and application guides.