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BD238S
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BD238S - Encyclopedia Entry

Product Overview

The BD238S belongs to the category of power transistors and is commonly used in electronic circuits for amplification and switching applications. This NPN silicon epitaxial-base planar transistor exhibits high voltage capability, making it suitable for a wide range of electronic devices. The BD238S is characterized by its reliable performance, compact package, and versatile use in various electronic systems.

Basic Information

  • Category: Power Transistor
  • Use: Amplification and Switching
  • Characteristics: High Voltage Capability
  • Package: TO-126
  • Essence: Silicon Epitaxial-Base Planar Transistor
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Collector-Emitter Voltage (VCEO): 60V
  • Collector-Base Voltage (VCBO): 80V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 3A
  • Power Dissipation (PD): 25W
  • Transition Frequency (fT): 2MHz

Detailed Pin Configuration

The BD238S features a standard TO-126 package with three leads: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High Voltage Capability
  • Low Saturation Voltage
  • Fast Switching Speed
  • Low Frequency Power Amplification

Advantages and Disadvantages

Advantages

  • Reliable Performance
  • Versatile Use
  • Compact Package
  • Suitable for High Voltage Applications

Disadvantages

  • Limited Frequency Range
  • Moderate Power Dissipation Capability

Working Principles

The BD238S operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify or switch electronic signals. When biased correctly, it allows for precise control of current flow through the collector-emitter path.

Detailed Application Field Plans

The BD238S finds extensive application in the following fields: - Audio Amplifiers - Power Supplies - Motor Control Circuits - Voltage Regulators - Electronic Switching Systems

Detailed and Complete Alternative Models

  • BD237S
  • BD239S
  • 2N3055
  • TIP31C
  • TIP32C

In conclusion, the BD238S power transistor offers a reliable and versatile solution for electronic amplification and switching needs, particularly in applications requiring high voltage capabilities.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BD238S i tekniska lösningar

  1. What is the BD238S transistor used for?

    • The BD238S is a general-purpose PNP transistor commonly used in audio amplifiers, power supplies, and other electronic circuits.

  2. What are the key specifications of the BD238S transistor?

    • The BD238S has a maximum collector current of 4A, a maximum collector-emitter voltage of 60V, and a maximum power dissipation of 36W.

  3. Can the BD238S be used as a switch in electronic circuits?

    • Yes, the BD238S can be used as a switch in low-power applications where its maximum collector current and voltage ratings are not exceeded.

  4. What are the typical applications of the BD238S transistor?

    • Typical applications include audio amplifiers, voltage regulators, motor control circuits, and general-purpose switching circuits.

  5. What are the pin configurations of the BD238S transistor?

    • The BD238S transistor typically has three pins: the emitter, base, and collector, with the emitter being connected to the negative side of the circuit.

  6. What are the recommended operating conditions for the BD238S transistor?

    • The BD238S should be operated within its specified temperature range of -65°C to 150°C and within its maximum current and voltage ratings.

  7. Can the BD238S be used in high-frequency applications?

    • The BD238S is not designed for high-frequency applications and may exhibit limited performance in such scenarios.

  8. Are there any specific precautions to consider when using the BD238S transistor?

    • It's important to ensure proper heat sinking and avoid exceeding the maximum ratings to prevent damage to the transistor.

  9. What are some common alternatives to the BD238S transistor?

    • Common alternatives include the BD237S, BD239S, and similar PNP transistors with comparable specifications.

  10. Where can I find detailed datasheets and application notes for the BD238S transistor?

    • Detailed datasheets and application notes for the BD238S can be found on semiconductor manufacturer websites or electronic component distributor platforms.