ON Semiconductor
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2N3904RL1
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2N3904RL1 - Transistor

Basic Information Overview

  • Category: Bipolar Junction Transistor (BJT)
  • Use: Amplification and switching in electronic circuits
  • Characteristics: Small signal NPN transistor, low power, high voltage, and moderate current capability
  • Package: TO-92 package
  • Essence: General-purpose amplifier and switch
  • Packaging/Quantity: Typically available in reels of 2000 units

Specifications

  • Maximum Collector-Emitter Voltage (VCEO): 40V
  • Maximum Collector-Base Voltage (VCBO): 60V
  • Maximum Emitter-Base Voltage (VEBO): 6V
  • Continuous Collector Current (IC): 200mA
  • Power Dissipation (Pd): 625mW
  • Transition Frequency (ft): 300MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2N3904RL1 transistor has three pins: 1. Emitter (E): Connected to the N-doped region of the transistor 2. Base (B): Controls the flow of current between the collector and emitter 3. Collector (C): Collects the majority charge carriers

Functional Features

  • Small size and lightweight
  • Low cost and widely available
  • Suitable for low-power applications
  • Compatible with through-hole PCB mounting

Advantages and Disadvantages

Advantages

  • Versatile and widely used in various electronic circuits
  • Easy to use and integrate into designs
  • Reliable performance in low-power applications

Disadvantages

  • Limited power handling capability
  • Susceptible to temperature variations

Working Principles

The 2N3904RL1 operates as a current-controlled switch or amplifier. In amplification, a small current at the base terminal controls a larger current flow between the collector and emitter. In switching applications, the transistor can be turned on or off by controlling the base current.

Detailed Application Field Plans

The 2N3904RL1 is commonly used in the following applications: - Audio amplifiers - Signal amplification in sensor circuits - Switching circuits in electronic devices - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N3904RL1 include: - BC547 - 2N2222 - 2N4401 - PN2222A

In conclusion, the 2N3904RL1 transistor is a versatile component widely used in electronic circuits for amplification and switching purposes. Its compact size, low cost, and compatibility with various applications make it a popular choice among electronics enthusiasts and professionals.

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10个与2N3904RL1在技术解决方案中的应用相关的常见问题及解答

  1. What is the 2N3904RL1 transistor used for?

    • The 2N3904RL1 is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the typical operating conditions for the 2N3904RL1?

    • The 2N3904RL1 operates with a maximum collector current of 200mA, a maximum collector-emitter voltage of 40V, and a maximum power dissipation of 625mW.

  3. How do I identify the pinout of the 2N3904RL1 transistor?

    • The pinout of the 2N3904RL1 transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing down.

  4. Can the 2N3904RL1 be used for audio amplification?

    • Yes, the 2N3904RL1 can be used for small-signal audio amplification due to its low noise and high gain characteristics.

  5. What are some common circuit configurations using the 2N3904RL1?

    • Common circuit configurations include common emitter amplifiers, switch circuits, and oscillator circuits.

  6. What are the key parameters to consider when designing a circuit with the 2N3904RL1?

    • Key parameters to consider include the biasing of the transistor, the load resistance, and the operating frequency of the circuit.

  7. What are the typical gain characteristics of the 2N3904RL1?

    • The 2N3904RL1 has a typical DC current gain (hFE) ranging from 100 to 300 at a collector current of 10mA.

  8. Can the 2N3904RL1 be used in low-power applications?

    • Yes, the 2N3904RL1 is suitable for low-power applications due to its low saturation voltage and low leakage current.

  9. Are there any specific thermal considerations when using the 2N3904RL1?

    • It is important to consider proper heat sinking or thermal management for the 2N3904RL1, especially when operating at higher currents or power levels.

  10. Where can I find detailed datasheets and application notes for the 2N3904RL1?

    • Detailed datasheets and application notes for the 2N3904RL1 can be found on semiconductor manufacturer websites or distributor platforms.