Microsemi Corporation
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2N5840

2N5840 Transistor

Product Overview

The 2N5840 is a high-power NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications. It falls under the category of discrete semiconductor devices and is commonly used in electronic circuits where moderate power amplification or switching is required. The transistor exhibits characteristics such as high current capability, low saturation voltage, and fast switching speed. It is typically available in a TO-39 package and is sold individually.

Specifications

  • Maximum Collector-Emitter Voltage: 60V
  • Maximum Collector Current: 7A
  • Power Dissipation: 50W
  • Transition Frequency: 30MHz
  • Package Type: TO-39
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N5840 transistor has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

The 2N5840 transistor offers high current gain, making it suitable for use in various amplification and switching applications. Its low saturation voltage ensures minimal power loss during operation, while the fast switching speed allows for efficient signal processing.

Advantages and Disadvantages

Advantages

  • High current capability
  • Low saturation voltage
  • Fast switching speed

Disadvantages

  • Limited maximum collector-emitter voltage
  • Relatively low transition frequency

Working Principles

When used as an amplifier, the 2N5840 transistor operates by controlling the current flow between its collector and emitter terminals based on the input signal applied to the base terminal. In switching applications, it rapidly switches between the on and off states to control the flow of current through a circuit.

Detailed Application Field Plans

The 2N5840 transistor finds extensive use in audio amplifiers, power supplies, motor control circuits, and voltage regulators. Its high current capability makes it suitable for driving medium to high-power loads in these applications.

Detailed and Complete Alternative Models

Some alternative models to the 2N5840 transistor include the 2N5885, 2N5886, and 2N5887. These transistors offer similar characteristics and are compatible replacements for the 2N5840 in many applications.

In conclusion, the 2N5840 transistor is a versatile component with a wide range of applications in electronic circuits requiring moderate power amplification and switching capabilities. Its high current capability, low saturation voltage, and fast switching speed make it a popular choice among electronics enthusiasts and professionals alike.

Word Count: 320

技術ソリューションにおける 2N5840 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 2N5840 transistor used for?

    • The 2N5840 is a high-power NPN transistor commonly used in applications requiring high current and voltage handling capabilities.

  2. What are the typical applications of the 2N5840 transistor?

    • The 2N5840 is often used in power amplifier circuits, switching applications, and voltage regulation circuits due to its high power handling capabilities.

  3. What is the maximum collector current rating of the 2N5840 transistor?

    • The 2N5840 transistor has a maximum collector current rating of 15 amperes, making it suitable for high-current applications.

  4. What is the maximum collector-emitter voltage rating of the 2N5840 transistor?

    • The 2N5840 transistor has a maximum collector-emitter voltage rating of 250 volts, allowing it to handle high voltage levels.

  5. Can the 2N5840 be used in audio amplifier circuits?

    • Yes, the 2N5840 can be used in audio amplifier circuits, especially in high-power audio amplification applications.

  6. What are the key characteristics of the 2N5840 transistor?

    • The 2N5840 transistor features high current and voltage ratings, low saturation voltage, and fast switching capabilities.

  7. Is the 2N5840 suitable for use in power supply designs?

    • Yes, the 2N5840 is well-suited for power supply designs where high current and voltage requirements are necessary.

  8. What are some common alternatives to the 2N5840 transistor?

    • Common alternatives to the 2N5840 include transistors such as the TIP31, TIP32, and MJ15003, which offer similar high-power capabilities.

  9. Are there any specific heat dissipation requirements for the 2N5840 transistor?

    • Due to its high power handling, proper heat sinking or thermal management is essential to ensure the 2N5840 operates within its temperature limits.

  10. Can the 2N5840 be used in automotive applications?

    • Yes, the 2N5840 can be utilized in automotive applications such as electronic ignition systems and motor control circuits due to its high-power capabilities and rugged construction.