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BD681STU
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BD681STU

Product Overview

Category: Semiconductor
Use: Power transistor
Characteristics: High voltage, high current
Package: TO-126
Essence: NPN Darlington transistor
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

  • Collector-Emitter Voltage (VCEO): 100V
  • Collector Current (IC): 4A
  • Total Power Dissipation (PT): 36W
  • DC Current Gain (hFE): 750 to 1500

Detailed Pin Configuration

  1. Base (B)
  2. Emitter (E)
  3. Collector (C)

Functional Features

  • High voltage capability
  • High current capability
  • Low saturation voltage

Advantages and Disadvantages

Advantages: - High gain - Low saturation voltage - Suitable for audio amplification

Disadvantages: - Relatively slow switching speed - Large package size

Working Principles

The BD681STU is a high-voltage NPN Darlington transistor designed for general-purpose amplifier and low-speed switching applications. It consists of two bipolar transistors in a single package, providing high current gain and high input impedance.

Detailed Application Field Plans

The BD681STU is commonly used in audio amplifier circuits, voltage regulators, relay drivers, and other applications requiring high current and voltage capabilities. It is suitable for use in consumer electronics, industrial control systems, and automotive applications.

Detailed and Complete Alternative Models

  • TIP122
  • TIP127
  • 2N6045

In conclusion, the BD681STU is a versatile power transistor with high voltage and current capabilities, making it suitable for a wide range of applications in various industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BD681STU en soluciones técnicas

  1. What is the BD681STU transistor used for?

    • The BD681STU is a PNP power transistor commonly used in audio amplifiers, voltage regulators, and power management circuits.

  2. What are the key specifications of the BD681STU?

    • The BD681STU has a maximum collector current of 4A, a maximum collector-emitter voltage of 100V, and a maximum power dissipation of 40W.

  3. How do I connect the BD681STU in a typical audio amplifier circuit?

    • In an audio amplifier circuit, the BD681STU can be connected as a driver or output stage to amplify the audio signal.

  4. Can the BD681STU be used in voltage regulator circuits?

    • Yes, the BD681STU can be used in voltage regulator circuits to provide stable output voltage regulation.

  5. What are the common applications of the BD681STU in power management circuits?

    • The BD681STU is often used in power management circuits for controlling and regulating power flow in various electronic systems.

  6. What are the recommended operating conditions for the BD681STU?

    • The BD681STU operates within a temperature range of -65°C to 150°C and requires proper heat sinking for optimal performance.

  7. Can the BD681STU be used in high-power applications?

    • Yes, the BD681STU is suitable for high-power applications due to its high collector current and power dissipation capabilities.

  8. What are the typical load conditions for the BD681STU in amplifier circuits?

    • In amplifier circuits, the BD681STU is typically used to drive loads such as speakers or other audio output devices.

  9. Are there any specific considerations for driving capacitive loads with the BD681STU?

    • When driving capacitive loads, it's important to ensure proper compensation and stability to prevent oscillations and instability.

  10. What are the common alternatives to the BD681STU for similar technical solutions?

    • Alternatives to the BD681STU include transistors with similar power ratings and characteristics, such as the BD682STU or BD679STU.