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BDW74-S
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BDW74-S

Introduction

The BDW74-S is a power transistor that belongs to the category of electronic components. It is widely used in various electronic circuits and applications due to its specific characteristics and performance.

Basic Information Overview

  • Category: Power Transistor
  • Use: Amplification and switching in electronic circuits
  • Characteristics: High power handling capability, low saturation voltage, and high current gain
  • Package: TO-220
  • Essence: Essential for power amplification and switching applications
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Maximum Collector-Emitter Voltage (VCEO): 100V
  • Maximum Collector Current (IC): 12A
  • Power Dissipation (Pd): 90W
  • DC Current Gain (hFE): 25 - 250
  • Transition Frequency (ft): 30MHz

Detailed Pin Configuration

The BDW74-S transistor typically has three pins: 1. Collector (C): Connects to the positive supply voltage 2. Base (B): Input control terminal 3. Emitter (E): Connects to the ground or load

Functional Features

  • High power handling capability
  • Low saturation voltage
  • Suitable for audio amplification and power switching applications
  • Robust construction for reliable performance

Advantages and Disadvantages

Advantages

  • High power handling capacity
  • Low saturation voltage
  • Wide range of current gain
  • Versatile for various electronic circuit designs

Disadvantages

  • Relatively large package size
  • Limited frequency response compared to smaller signal transistors

Working Principles

The BDW74-S operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a much larger current between the collector and emitter terminals, allowing for amplification and switching functions in electronic circuits.

Detailed Application Field Plans

The BDW74-S finds extensive use in the following application fields: - Audio amplifiers - Power supply circuits - Motor control systems - Voltage regulators - Inverter circuits

Detailed and Complete Alternative Models

Some alternative models to the BDW74-S include: - TIP31C - 2N3055 - MJ15003 - MJE13009

In conclusion, the BDW74-S power transistor is a crucial component in electronic circuit design, offering high power handling capabilities and versatile applications across various industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BDW74-S v technických řešeních

  1. What is BDW74-S?

    • BDW74-S is a high-power NPN transistor designed for use in general-purpose amplifier and switching applications.

  2. What are the key specifications of BDW74-S?

    • The key specifications of BDW74-S include a collector current of 12A, collector-emitter voltage of 100V, and a power dissipation of 90W.

  3. In what types of technical solutions can BDW74-S be used?

    • BDW74-S can be used in audio amplifiers, power supply circuits, motor control applications, and various other general-purpose electronic circuits.

  4. What are the typical operating conditions for BDW74-S?

    • The typical operating conditions for BDW74-S include a collector current of 5A, a collector-emitter voltage of 40V, and a base current of 1A.

  5. How do I properly mount and heat sink BDW74-S in my application?

    • BDW74-S should be mounted on a suitable heat sink to ensure proper heat dissipation. The mounting surface should be flat, clean, and free from any foreign material.

  6. What are the recommended storage and operating temperatures for BDW74-S?

    • The recommended storage temperature range for BDW74-S is -65°C to +150°C, while the operating temperature range is -65°C to +150°C.

  7. Can BDW74-S be used in high-frequency applications?

    • BDW74-S is not specifically designed for high-frequency applications and may not perform optimally in such scenarios.

  8. What are the typical gain and frequency characteristics of BDW74-S?

    • The typical DC current gain (hFE) of BDW74-S is 15-60, and the transition frequency (fT) is 4MHz.

  9. Are there any specific precautions to consider when using BDW74-S in a circuit?

    • It is important to ensure proper biasing and avoid exceeding the maximum ratings specified in the datasheet to prevent damage to the transistor.

  10. Where can I find detailed application notes and reference designs for using BDW74-S?

    • Detailed application notes and reference designs for using BDW74-S can be found in the manufacturer's datasheet, application notes, and technical resources.