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BRX47
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BRX47: Transistor Encyclopedia Entry

Introduction

The BRX47 is a bipolar junction transistor (BJT) that belongs to the category of power transistors. This entry provides an overview of the BRX47, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Power Transistor
  • Use: Amplification and switching of electrical signals in power applications
  • Characteristics: High current and voltage handling capabilities, suitable for high-power applications
  • Package: TO-220AB
  • Essence: NPN silicon epitaxial planar transistor
  • Packaging/Quantity: Typically available in packs of 10 or more

Specifications

  • Collector-Emitter Voltage (VCEO): 400V
  • Collector Current (IC): 6A
  • Power Dissipation (PD): 40W
  • Transition Frequency (fT): 4MHz
  • Operating Temperature Range: -65°C to 150°C

Detailed Pin Configuration

The BRX47 transistor has a standard TO-220AB package with three leads: 1. Collector (C): Connected to the positive supply voltage 2. Base (B): Input terminal for controlling the transistor's operation 3. Emitter (E): Connected to the ground or load

Functional Features

  • High voltage and current handling capabilities
  • Fast switching speed
  • Low saturation voltage
  • Suitable for power amplification and switching applications

Advantages and Disadvantages

Advantages

  • Robust construction for high-power applications
  • Wide operating temperature range
  • Low saturation voltage for efficient switching

Disadvantages

  • Relatively larger package size compared to smaller signal transistors
  • Higher cost compared to low-power transistors

Working Principles

The BRX47 operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current. It amplifies or switches electrical signals based on the input at the base terminal.

Detailed Application Field Plans

The BRX47 transistor finds extensive use in various power applications, including: - Power amplifiers - Switching power supplies - Motor control circuits - Inverters and converters - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the BRX47 include: - TIP31C - 2N3055 - MJ15003 - MJE13009

In summary, the BRX47 transistor is a versatile component suitable for high-power amplification and switching applications, offering robust performance and reliability in demanding environments.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BRX47 dalam penyelesaian teknikal

  1. What is BRX47?

    • BRX47 is a silicon NPN power transistor commonly used in high-power switching applications.

  2. What are the key specifications of BRX47?

    • The key specifications of BRX47 include a maximum collector current of 4A, a maximum collector-emitter voltage of 400V, and a maximum power dissipation of 40W.

  3. In what types of technical solutions is BRX47 commonly used?

    • BRX47 is commonly used in applications such as power supplies, motor control, and general high-power switching circuits.

  4. What are the typical operating conditions for BRX47?

    • The typical operating conditions for BRX47 include a collector current of 1A to 4A, a collector-emitter voltage of 100V to 400V, and an operating temperature range of -65°C to 150°C.

  5. What are the recommended mounting and handling precautions for BRX47?

    • It is recommended to use appropriate heatsinking and insulation when mounting BRX47 to ensure proper thermal management and electrical isolation.

  6. Can BRX47 be used in pulse-width modulation (PWM) applications?

    • Yes, BRX47 can be used in PWM applications due to its ability to handle high currents and voltages.

  7. What are the common failure modes of BRX47?

    • Common failure modes of BRX47 include thermal runaway due to inadequate heatsinking, overvoltage stress leading to breakdown, and excessive current causing overheating.

  8. Are there any specific driver circuit requirements for BRX47?

    • It is recommended to use appropriate drive circuitry to ensure fast switching and minimize switching losses when using BRX47 in high-frequency applications.

  9. Can BRX47 be used in parallel configurations for higher current handling?

    • Yes, BRX47 can be used in parallel configurations to increase the overall current-handling capability in high-power applications.

  10. Where can I find detailed application notes and reference designs for using BRX47 in technical solutions?

    • Detailed application notes and reference designs for using BRX47 can be found in the manufacturer's datasheets, application guides, and technical support resources.