ON Semiconductor
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2N3904CTA
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2N3904CTA:

1. Product Overview: - Category: Electronic Component - Use: The 2N3904CTA is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications. - Characteristics: It has a maximum collector current of 200mA, a maximum collector-base voltage of 40V, and a maximum power dissipation of 625mW. The transistor is known for its high current gain and low noise. - Package: TO-92 package - Essence: The 2N3904CTA is essential for small-signal amplification and switching circuits. - Packaging/Quantity: Typically available in reels or tubes containing hundreds to thousands of units.

2. Specifications: - Maximum Collector Current: 200mA - Maximum Collector-Base Voltage: 40V - Maximum Power Dissipation: 625mW - Transition Frequency: 300MHz - Operating Temperature Range: -55°C to 150°C

3. Detailed Pin Configuration: - Base (B) - Pin 1 - Emitter (E) - Pin 2 - Collector (C) - Pin 3

4. Functional Features: - High current gain - Low noise - Fast switching speed - Wide operating temperature range

5. Advantages and Disadvantages: - Advantages: - Versatile and widely used - Low cost - Reliable performance - Disadvantages: - Limited power handling capability - Sensitive to overvoltage conditions

6. Working Principles: - The 2N3904CTA operates as a current-controlled switch or amplifier. In amplification applications, a small input current at the base terminal controls a larger current flow between the collector and emitter terminals. In switching applications, the transistor can be turned on or off by controlling the base current.

7. Detailed Application Field Plans: - Common applications include audio amplifiers, signal amplification stages, switching circuits, and oscillator circuits. It is also used in sensor interfaces and voltage regulators.

8. Detailed and Complete Alternative Models: - Alternative models to the 2N3904CTA include the 2N2222, BC547, and BC548. These transistors offer similar characteristics and are interchangeable in many applications.

This comprehensive entry provides an in-depth understanding of the 2N3904CTA, covering its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 2N3904CTA dalam solusi teknis

  1. What is the 2N3904CTA transistor used for?

    • The 2N3904CTA 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 2N3904CTA?

    • The 2N3904CTA typically operates at a maximum collector current of 200mA, with a maximum collector-emitter voltage of 40V.

  3. How do I determine the pinout of the 2N3904CTA transistor?

    • The pinout of the 2N3904CTA transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.

  4. Can the 2N3904CTA be used for audio amplification?

    • Yes, the 2N3904CTA can be used for small-signal audio amplification in low-power applications.

  5. What are some common circuit configurations using the 2N3904CTA?

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

  6. What are the key characteristics of the 2N3904CTA that make it suitable for general-purpose applications?

    • The 2N3904CTA offers high current gain, low noise, and low power dissipation, making it versatile for various technical solutions.

  7. Are there any limitations to consider when using the 2N3904CTA in a circuit?

    • It's important to consider its maximum ratings, such as collector current and power dissipation, to avoid damaging the transistor.

  8. Can the 2N3904CTA be used in high-frequency applications?

    • While the 2N3904CTA has limitations at very high frequencies, it can still be used in moderate frequency applications such as audio and lower RF ranges.

  9. What are some common alternatives to the 2N3904CTA if it's not available?

    • Alternatives include the 2N2222, BC547, and BC548 transistors, which have similar characteristics and can often be used as substitutes.

  10. Where can I find detailed datasheets and application notes for the 2N3904CTA?

    • Datasheets and application notes for the 2N3904CTA can be found on semiconductor manufacturer websites or electronics component distributor sites.