Microsemi Corporation
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2N5881

2N5881 Transistor

Product Overview

The 2N5881 is a high-power NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications. This transistor falls under the category of power transistors and is commonly used in audio amplifiers, power supplies, and industrial control systems. The 2N5881 is known for its high current and voltage capabilities, making it suitable for various high-power applications. It is typically available in a TO-3 metal package and is sold individually.

Specifications

  • Maximum Collector-Emitter Voltage: 80V
  • Maximum Collector Current: 25A
  • Power Dissipation: 150W
  • Transition Frequency: 2 MHz
  • Operating Temperature Range: -65°C to 200°C

Pin Configuration

The 2N5881 transistor has a standard three-pin configuration: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

  • High current and voltage ratings
  • Low saturation voltage
  • Fast switching speed
  • Robust construction for reliable performance

Advantages and Disadvantages

Advantages

  • Suitable for high-power applications
  • Low saturation voltage reduces power loss
  • Fast switching speed allows for efficient operation

Disadvantages

  • Relatively large package size
  • Limited frequency response compared to smaller signal transistors

Working Principles

The 2N5881 operates as a current-controlled switch or amplifier. When a small current flows into the base terminal, it controls a much larger current between the collector and emitter terminals. This property allows the transistor to amplify signals or control high-power loads in various electronic circuits.

Application Field Plans

The 2N5881 transistor finds extensive use in the following application fields: - Audio amplifiers - Power supplies - Motor control circuits - Industrial automation systems - High-power LED drivers

Alternative Models

Some alternative models to the 2N5881 include: - MJL4281A - MJE15032 - TIP35C - 2SC5200

In conclusion, the 2N5881 transistor is a versatile component with high current and voltage ratings, making it suitable for a wide range of high-power applications. Its robust construction and functional features contribute to its popularity in the electronics industry.

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기술 솔루션에 2N5881 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure, here are 10 common questions and answers related to the application of 2N5881 in technical solutions:

  1. What is the 2N5881 transistor used for?

    • The 2N5881 is a high power NPN bipolar junction transistor (BJT) commonly used in power amplifier and switching applications.

  2. What is the maximum collector current rating of the 2N5881?

    • The maximum collector current rating of the 2N5881 is 25 amperes.

  3. What is the maximum collector-emitter voltage rating of the 2N5881?

    • The maximum collector-emitter voltage rating of the 2N5881 is 80 volts.

  4. What are some typical applications of the 2N5881 transistor?

    • Typical applications include audio amplifiers, power supplies, motor control, and high current switching circuits.

  5. What is the power dissipation rating of the 2N5881?

    • The power dissipation rating of the 2N5881 is 150 watts.

  6. Is the 2N5881 suitable for high frequency applications?

    • No, the 2N5881 is not suitable for high frequency applications due to its relatively low transition frequency.

  7. What are the key characteristics of the 2N5881 that make it suitable for power applications?

    • The 2N5881 has a high current and voltage rating, low saturation voltage, and good thermal stability, making it ideal for power applications.

  8. Can the 2N5881 be used in a Darlington pair configuration?

    • Yes, the 2N5881 can be used in a Darlington pair configuration to achieve higher current gain and lower base drive requirements.

  9. What precautions should be taken when using the 2N5881 in high power applications?

    • Adequate heat sinking and thermal management should be employed to ensure the 2N5881 operates within its safe operating area.

  10. Are there any common failure modes associated with the 2N5881?

    • Common failure modes include thermal runaway due to inadequate heat dissipation and overvoltage breakdown if the maximum ratings are exceeded.

I hope these questions and answers are helpful! Let me know if you need further assistance.