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2SC2922

2SC2922

Product Overview

The 2SC2922 is a high-power NPN transistor belonging to the category of electronic components. It is commonly used in audio amplifiers, power supply circuits, and other applications requiring high power amplification. The transistor exhibits characteristics such as high current and voltage ratings, low distortion, and excellent thermal stability. It is typically available in a TO-3P package and is sold individually.

Specifications

  • Type: NPN
  • Maximum Collector-Base Voltage (V_CB): 250V
  • Maximum Collector Current (I_C): 15A
  • Power Dissipation (P_D): 150W
  • Transition Frequency (f_T): 30MHz
  • Operating Temperature Range: -55°C to 150°C

Pin Configuration

The 2SC2922 transistor has three pins: 1. Collector (C): Connected to the positive supply voltage. 2. Base (B): Controls the transistor's conductivity. 3. Emitter (E): Connected to the ground or negative supply voltage.

Functional Features

The 2SC2922 offers high power amplification capabilities, making it suitable for audio amplifiers and power supply circuits. Its low distortion and excellent thermal stability contribute to its reliable performance in demanding applications.

Advantages

  • High current and voltage ratings
  • Low distortion
  • Excellent thermal stability

Disadvantages

  • Relatively limited transition frequency compared to some alternative models
  • Larger package size may not be suitable for compact designs

Working Principles

When a small current flows into the base terminal, it controls the larger current flowing between the collector and emitter terminals. This property allows the transistor to amplify signals or act as a switch in electronic circuits.

Application Field Plans

The 2SC2922 is commonly used in high-power audio amplifiers, linear power supplies, and industrial control systems. Its ability to handle high currents and voltages makes it suitable for applications requiring robust amplification.

Alternative Models

Some alternative models to the 2SC2922 include the MJL3281A and MJL1302A transistors, which offer similar high-power capabilities with different package styles and specifications.

In conclusion, the 2SC2922 NPN transistor is a versatile component with high power amplification capabilities, making it well-suited for various applications in the electronics industry.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 2SC2922 у технічних рішеннях

  1. What is the maximum collector current of 2SC2922?

    • The maximum collector current of 2SC2922 is 15A.
  2. What is the maximum collector-emitter voltage of 2SC2922?

    • The maximum collector-emitter voltage of 2SC2922 is 250V.
  3. What are the typical applications of 2SC2922?

    • 2SC2922 is commonly used in audio amplifiers, power supply circuits, and high-power switching applications.
  4. What is the typical gain (hfe) of 2SC2922?

    • The typical gain (hfe) of 2SC2922 is around 40 to 160.
  5. What is the power dissipation of 2SC2922?

    • The power dissipation of 2SC2922 is approximately 150W.
  6. Is 2SC2922 suitable for high-frequency applications?

    • No, 2SC2922 is not typically recommended for high-frequency applications due to its slower transition frequency.
  7. What are the key thermal characteristics of 2SC2922?

    • The thermal resistance junction to case (RthJC) is around 1.25°C/W, and the operating temperature range is -55°C to 150°C.
  8. Can 2SC2922 be used in parallel to increase current capability?

    • Yes, 2SC2922 can be used in parallel to increase the overall current handling capability in a circuit.
  9. Are there any common failure modes associated with 2SC2922?

    • Common failure modes include thermal runaway due to inadequate heat sinking and overcurrent conditions leading to device breakdown.
  10. What are some best practices for designing with 2SC2922?

    • It is important to ensure proper heat sinking, avoid exceeding the maximum ratings, and use appropriate driver circuits to control the base current.