Microsemi Corporation
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2N5872

2N5872 Transistor

Product Overview

The 2N5872 is a silicon NPN power transistor designed for general-purpose amplifier and switching applications. It falls under the category of discrete semiconductor devices and is commonly used in electronic circuits for its amplification and switching capabilities. The transistor exhibits characteristics such as high current and voltage ratings, making it suitable for various applications. It is typically available in a TO-39 package and is sold individually or in bulk quantities.

Specifications

  • Type: NPN
  • Maximum Collector-Emitter Voltage: 80V
  • Maximum Collector Current: 3A
  • Power Dissipation: 1W
  • Transition Frequency: 2MHz
  • Package Type: TO-39
  • Quantity: Individual or Bulk

Detailed Pin Configuration

The 2N5872 transistor has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

The 2N5872 transistor offers the following functional features: - High current and voltage ratings - Suitable for general-purpose amplifier and switching applications - Low power dissipation - Compact TO-39 package for easy integration into circuits

Advantages and Disadvantages

Advantages

  • High current and voltage ratings
  • Versatile application in amplification and switching circuits
  • Low power dissipation

Disadvantages

  • Limited transition frequency compared to some modern transistors
  • Relatively larger package size compared to SMD alternatives

Working Principles

The 2N5872 operates based on the principles of NPN transistor action. When a small current flows into the base terminal, it controls a much larger current flowing between the collector and emitter terminals. This allows the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2N5872 transistor finds applications in various electronic systems, including: - Audio amplifiers - Power supply circuits - Switching regulators - Motor control circuits - LED drivers

Detailed and Complete Alternative Models

Some alternative models to the 2N5872 include: - 2N2222: A widely used NPN transistor with similar characteristics - BC547: Another popular NPN transistor suitable for general-purpose applications - TIP31: A power transistor with higher current and voltage ratings

In conclusion, the 2N5872 transistor is a versatile component suitable for a wide range of electronic applications due to its high current and voltage ratings, making it an essential part of many circuit designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 2N5872 v technických řešeních

  1. What is the 2N5872 transistor used for?

    • The 2N5872 transistor is commonly used for high-speed switching and amplification in electronic circuits.

  2. What are the key specifications of the 2N5872 transistor?

    • The 2N5872 is a high-frequency NPN transistor with a maximum collector current of 500mA, a maximum collector-emitter voltage of 30V, and a transition frequency of 800MHz.

  3. Can the 2N5872 be used for RF applications?

    • Yes, the 2N5872 is suitable for radio frequency (RF) applications due to its high transition frequency and low capacitance.

  4. How can the 2N5872 be used in amplifier circuits?

    • The 2N5872 can be used as a high-frequency amplifier in applications such as RF amplifiers and oscillators.

  5. What are the typical operating conditions for the 2N5872?

    • The 2N5872 is typically operated at a collector current of 10-100mA and a collector-emitter voltage of 15V.

  6. Is the 2N5872 suitable for high-speed digital switching applications?

    • Yes, the 2N5872 is well-suited for high-speed digital switching due to its fast switching times and high transition frequency.

  7. What are the common package types for the 2N5872?

    • The 2N5872 is available in TO-39 metal can and surface-mount SOT-23 packages.

  8. Are there any specific considerations for heat dissipation when using the 2N5872?

    • It is important to consider proper heat sinking for the 2N5872, especially when operating at higher currents or power levels.

  9. Can the 2N5872 be used in low-noise amplifier designs?

    • While the 2N5872 is primarily designed for high-frequency applications, it can also be used in low-noise amplifier designs due to its low noise figure.

  10. Where can I find detailed application notes for using the 2N5872 in technical solutions?

    • Detailed application notes for the 2N5872 can be found in the manufacturer's datasheet, as well as in various technical resources and electronics engineering textbooks.