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BT149D,112
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BT149D,112

Product Overview

  • Category: Semiconductor
  • Use: Power transistor
  • Characteristics: High voltage, high speed switching
  • Package: TO-220AB
  • Essence: NPN silicon epitaxial planar type
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage: 60V
  • Current: 8A
  • Power Dissipation: 40W
  • Frequency: 2MHz
  • Gain: 25-250

Detailed Pin Configuration

The BT149D,112 has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High voltage capability
  • Fast switching speed
  • Low collector-emitter saturation voltage

Advantages and Disadvantages

Advantages: - Suitable for high-speed switching applications - Low power dissipation - High voltage capability

Disadvantages: - Limited current handling capacity - Sensitive to overvoltage conditions

Working Principles

The BT149D,112 operates as a power transistor, controlling the flow of current between the collector and emitter based on the base current.

Detailed Application Field Plans

This transistor is commonly used in: - Switching power supplies - Electronic ballasts - Motor control circuits

Detailed and Complete Alternative Models

  • BT169D,112
  • MJE3055T
  • TIP31C

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10个与BT149D,112在技术解决方案中的应用相关的常见问题及解答

  1. What is the maximum voltage rating of BT149D,112?

    • The maximum voltage rating of BT149D,112 is 600V.

  2. What is the maximum current rating of BT149D,112?

    • The maximum current rating of BT149D,112 is 8A.

  3. What is the typical on-state voltage drop of BT149D,112?

    • The typical on-state voltage drop of BT149D,112 is around 1.6V at 8A.

  4. What are the typical applications of BT149D,112?

    • BT149D,112 is commonly used in applications such as motor control, lighting control, and small AC power switches.

  5. What is the recommended operating temperature range for BT149D,112?

    • The recommended operating temperature range for BT149D,112 is -40°C to 125°C.

  6. Does BT149D,112 require a heat sink for operation?

    • It is recommended to use a heat sink when operating BT149D,112 at high currents or in high ambient temperatures.

  7. Is BT149D,112 suitable for AC or DC applications?

    • BT149D,112 is suitable for both AC and DC applications.

  8. What is the gate trigger current of BT149D,112?

    • The gate trigger current of BT149D,112 is typically 10mA.

  9. Can BT149D,112 be used in dimmer applications?

    • Yes, BT149D,112 can be used in dimmer applications due to its ability to control AC power.

  10. Are there any specific precautions to consider when using BT149D,112 in technical solutions?

    • It is important to ensure proper insulation and isolation when integrating BT149D,112 into technical solutions, especially in high voltage applications. Additionally, attention should be given to proper heat dissipation to prevent overheating.