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2N3390
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2N3390 Transistor

Product Overview

The 2N3390 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 available in various packages such as TO-92, SOT-23, and others, with different packaging quantities. Its essence lies in providing reliable and efficient signal amplification and switching capabilities.

Specifications

  • Maximum Collector-Base Voltage: 40V
  • Maximum Collector-Emitter Voltage: 25V
  • Maximum Emitter-Base Voltage: 10V
  • Continuous Collector Current: 200mA
  • Power Dissipation: 625mW
  • Transition Frequency: 100MHz
  • Operating Temperature Range: -65°C to 200°C

Pin Configuration

The 2N3390 transistor typically consists of three pins: the emitter, base, and collector. In a TO-92 package, the pin configuration is as follows: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

The 2N3390 transistor offers high current gain, low noise, and excellent linearity, making it suitable for audio amplification and other low-power applications. Its compact size and compatibility with various circuit designs make it a versatile choice for electronic projects.

Advantages and Disadvantages

Advantages

  • High current gain
  • Low noise
  • Compact size
  • Versatile application range

Disadvantages

  • Limited power handling capability
  • Susceptible to thermal runaway in high-power applications

Working Principles

The 2N3390 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. By modulating the base current, the transistor can amplify or switch the input signal with high efficiency.

Application Field Plans

The 2N3390 transistor finds extensive use in the following applications: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits - Voltage regulators

Alternative Models

For those seeking alternatives to the 2N3390, several comparable transistors are available, including: - 2N4401 - BC547 - 2N2222 - BC337

In conclusion, the 2N3390 transistor serves as a reliable component for amplification and switching in various electronic circuits, offering high gain and low noise characteristics. Its compact size and versatility make it a popular choice among hobbyists and professionals alike.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 2N3390 en soluciones técnicas

  1. What is the 2N3390 transistor used for?

    • The 2N3390 is commonly used as a general-purpose NPN bipolar junction transistor in various electronic circuits.

  2. What are the typical applications of the 2N3390 transistor?

    • The 2N3390 can be used in amplifier circuits, switching circuits, and as a general-purpose signal transistor.

  3. What are the key electrical characteristics of the 2N3390 transistor?

    • The 2N3390 has a maximum collector current of 800mA, a maximum collector-emitter voltage of 25V, and a maximum power dissipation of 625mW.

  4. Can the 2N3390 be used in audio amplifier circuits?

    • Yes, the 2N3390 can be used in low-power audio amplifier circuits due to its suitable gain and frequency response characteristics.

  5. Is the 2N3390 suitable for switching applications?

    • Yes, the 2N3390 can be used in low-power switching applications due to its fast switching speed and moderate current-handling capability.

  6. What are the typical operating conditions for the 2N3390 transistor?

    • The 2N3390 is typically operated within a temperature range of -65°C to 200°C and at a maximum collector current of 800mA.

  7. Can the 2N3390 be used in oscillator circuits?

    • While it is not commonly used in oscillator circuits, the 2N3390 can be utilized in certain low-frequency oscillator designs.

  8. What are some common alternatives to the 2N3390 transistor?

    • Common alternatives include the 2N2222, BC547, and 2N4401 transistors, which have similar characteristics and can be used in comparable applications.

  9. Are there any specific considerations for designing with the 2N3390 transistor?

    • It's important to consider the biasing and operating conditions to ensure proper performance and reliability in the circuit design.

  10. Where can I find detailed datasheets and application notes for the 2N3390 transistor?

    • Datasheets and application notes for the 2N3390 can be found on semiconductor manufacturer websites or electronics component distributor platforms.