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2N3469

2N3469 Transistor

Product Overview

Category:

The 2N3469 is a general-purpose NPN bipolar junction transistor (BJT).

Use:

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

Characteristics:

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

Package:

The 2N3469 is typically available in a TO-92 package.

Essence:

This transistor is essential for electronic circuit design, particularly in low-power applications.

Packaging/Quantity:

The 2N3469 is usually sold in reels or tubes containing multiple units.

Specifications

  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector-Base Voltage: 60V
  • Maximum Emitter-Base Voltage: 6V
  • Continuous Collector Current: 100mA
  • Power Dissipation: 625mW

Detailed Pin Configuration

The 2N3469 has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High current gain allows for small base current to control larger collector current.
  • Suitable for low-power applications due to its low power dissipation.

Advantages and Disadvantages

Advantages

  • High current gain
  • Low power dissipation
  • Versatile for various electronic applications

Disadvantages

  • Limited maximum collector current compared to other transistors
  • Medium frequency capability may not be suitable for high-frequency applications

Working Principles

The 2N3469 operates as a current-controlled switch or amplifier. When a small current flows into the base, it controls a much larger current between the collector and emitter.

Detailed Application Field Plans

The 2N3469 is commonly used in: - Audio amplifiers - Signal amplification circuits - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N3469 include: - 2N4401 - BC547 - 2N2222

In conclusion, the 2N3469 transistor is a versatile component with various applications in electronic circuit design. Its low power dissipation and high current gain make it suitable for low-power amplification and switching circuits. However, its limited maximum collector current and medium frequency capability should be considered when selecting it for specific applications.

技術ソリューションにおける 2N3469 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 2N3469 transistor used for?

    • The 2N3469 is a general-purpose NPN transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the typical operating conditions for the 2N3469?

    • The 2N3469 operates at a maximum collector current of 100mA, with a maximum collector-emitter voltage of 40V.

  3. Can the 2N3469 be used for audio amplification?

    • Yes, the 2N3469 can be used for small-signal audio amplification due to its low noise and high gain characteristics.

  4. How do I connect the 2N3469 in a common emitter configuration?

    • In a common emitter configuration, the input signal is applied to the base, the output is taken from the collector, and the emitter is grounded through a resistor.

  5. What are some alternative transistors that can be used in place of the 2N3469?

    • Alternatives to the 2N3469 include the 2N4401, BC547, and 2N2222 transistors, which have similar characteristics and can be substituted in many applications.

  6. What are the typical applications of the 2N3469 in electronic circuits?

    • The 2N3469 is commonly used in low-power amplifiers, oscillators, signal processing circuits, and as a switch in digital logic circuits.

  7. What are the key parameters to consider when designing a circuit with the 2N3469?

    • Key parameters to consider include the maximum collector current, power dissipation, gain, and frequency response of the transistor.

  8. Can the 2N3469 be used in high-frequency applications?

    • While the 2N3469 has limited frequency response compared to specialized RF transistors, it can still be used in moderate frequency applications up to a few megahertz.

  9. What are the typical thermal considerations when using the 2N3469 in a circuit?

    • It's important to consider heat dissipation and ensure proper thermal management to prevent the transistor from exceeding its maximum junction temperature.

  10. Where can I find detailed datasheets and application notes for the 2N3469?

    • Detailed datasheets and application notes for the 2N3469 can be found on semiconductor manufacturer websites or electronics component distributor platforms.