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BD239-S
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BD239-S Product Overview

Introduction

BD239-S is a semiconductor device belonging to the category of power transistors. This product is widely used in various electronic applications due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Power Transistor
  • Use: Amplification and Switching in Electronic Circuits
  • Characteristics: High Voltage, High Current Capability
  • Package: TO-220, TO-126
  • Essence: Silicon NPN Power Transistor
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Voltage Rating: 100V
  • Current Rating: 2A
  • Power Dissipation: 25W
  • Gain (hFE): 25 - 250
  • Frequency: Up to 3MHz

Detailed Pin Configuration

The BD239-S transistor typically has three pins: the emitter, base, and collector. The pin configuration is as follows: - Emitter (E) - Pin 1 - Base (B) - Pin 2 - Collector (C) - Pin 3

Functional Features

  • High Voltage Capability
  • Low Saturation Voltage
  • Fast Switching Speed
  • Complementary PNP Type Available (BD240-S)

Advantages and Disadvantages

Advantages

  • Suitable for High Power Applications
  • Good Gain Linearity
  • Robust Construction

Disadvantages

  • Moderate Frequency Limitation
  • Sensitive to Overheating

Working Principles

The BD239-S operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a larger current between the collector and emitter terminals, allowing for amplification or switching of electrical signals.

Detailed Application Field Plans

The BD239-S transistor finds extensive use in the following application fields: - Audio Amplifiers - Power Supplies - Motor Control Circuits - LED Drivers - Voltage Regulators

Detailed and Complete Alternative Models

  • BD237-S
  • BD238-S
  • BD240-S
  • 2N3055
  • TIP31C

In conclusion, the BD239-S power transistor offers high voltage and current capabilities, making it suitable for various electronic applications. Its robust construction and functional features make it a popular choice among electronic circuit designers.

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10個與BD239-S在技術方案中應用相關的常見問題與解答

  1. What is BD239-S?

    • BD239-S is a high-voltage NPN power transistor designed for use in general-purpose amplifier and switching applications.

  2. What are the typical applications of BD239-S?

    • BD239-S is commonly used in audio amplifiers, power supply circuits, and motor control applications.

  3. What is the maximum collector current of BD239-S?

    • The maximum collector current of BD239-S is 2A.

  4. What is the maximum collector-emitter voltage of BD239-S?

    • The maximum collector-emitter voltage of BD239-S is 100V.

  5. What is the power dissipation of BD239-S?

    • The power dissipation of BD239-S is 25W.

  6. Is BD239-S suitable for high-frequency applications?

    • No, BD239-S is not suitable for high-frequency applications due to its limited frequency response.

  7. Can BD239-S be used in audio amplifier circuits?

    • Yes, BD239-S is commonly used in audio amplifier circuits due to its high power dissipation and current capabilities.

  8. What are the key features of BD239-S?

    • The key features of BD239-S include high current and voltage ratings, low saturation voltage, and high gain.

  9. Is BD239-S suitable for switching applications?

    • Yes, BD239-S is suitable for switching applications due to its fast switching speed and high voltage capability.

  10. Are there any recommended alternative transistors to BD239-S?

    • Some recommended alternative transistors to BD239-S include TIP31, TIP32, and 2N3055, depending on the specific application requirements.