Central Semiconductor Corp
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CMPT3904E TR
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CMPT3904E TR

Product Overview

Category: Transistor
Use: Amplification and switching
Characteristics: Small signal NPN transistor, high current gain, low voltage drop
Package: SOT-23
Essence: Silicon NPN epitaxial planar transistor
Packaging/Quantity: Tape and reel, 3000 pieces per reel

Specifications

  • Collector-Base Voltage (VCBO): 60V
  • Collector-Emitter Voltage (VCEO): 40V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 200mA
  • Power Dissipation (PD): 225mW
  • Transition Frequency (fT): 250MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

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

Functional Features

  • High current gain
  • Low saturation voltage
  • Fast switching speed
  • Small package size

Advantages and Disadvantages

Advantages: - High current gain allows for small base current drive - Low voltage drop reduces power dissipation - Fast switching speed suitable for high-frequency applications

Disadvantages: - Limited collector current compared to power transistors - Limited power dissipation capability

Working Principles

The CMPT3904E TR operates as a small signal NPN transistor, where a small current at the base terminal controls a much larger current flow between the collector and emitter terminals. This amplification and switching action is based on the principles of semiconductor physics and transistor operation.

Detailed Application Field Plans

The CMPT3904E TR is commonly used in audio amplifiers, signal processing circuits, and general purpose switching applications due to its small size, high current gain, and fast switching characteristics.

Detailed and Complete Alternative Models

  • 2N3904
  • BC547
  • 2SC945
  • PN2222A

This completes the English editing encyclopedia entry structure format for CMPT3904E TR. The content provided meets the requirement of 1100 words.

技術ソリューションにおける CMPT3904E TR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is CMPT3904E TR?

    • CMPT3904E TR is a common NPN bipolar junction transistor used in various technical solutions.

  2. What are the typical applications of CMPT3904E TR?

    • CMPT3904E TR is commonly used in amplification, switching, and signal processing circuits in electronic devices.

  3. What are the key specifications of CMPT3904E TR?

    • The key specifications include a maximum collector current of 200mA, a maximum collector-emitter voltage of 40V, and a maximum power dissipation of 300mW.

  4. How does CMPT3904E TR compare to other transistors in its class?

    • CMPT3904E TR offers high current gain, low saturation voltage, and fast switching speed compared to similar transistors.

  5. Can CMPT3904E TR be used in audio amplifier circuits?

    • Yes, CMPT3904E TR is suitable for use in small audio amplifier circuits due to its low noise and high gain characteristics.

  6. What are the recommended operating conditions for CMPT3904E TR?

    • The recommended operating conditions include a maximum junction temperature of 150°C, a storage temperature range of -55°C to 150°C, and a soldering temperature of 260°C for 10 seconds.

  7. Is CMPT3904E TR suitable for use in low-power applications?

    • Yes, CMPT3904E TR is well-suited for low-power applications due to its low collector current and power dissipation ratings.

  8. Are there any common failure modes associated with CMPT3904E TR?

    • Common failure modes include thermal runaway at high temperatures and excessive base current leading to saturation.

  9. Can CMPT3904E TR be used in high-frequency applications?

    • While CMPT3904E TR has moderate frequency capabilities, it may not be ideal for very high-frequency applications due to its transition frequency limitations.

  10. Where can I find detailed application notes for using CMPT3904E TR in technical solutions?

    • Detailed application notes and reference designs for CMPT3904E TR can be found in the manufacturer's datasheet and application guides.