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BC817DPN,125
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BC817DPN,125

Product Overview

  • Belongs to: Transistor
  • Category: Bipolar (BJT) Transistors
  • Use: Amplification and Switching
  • Characteristics: High current gain, low voltage drop
  • Package: SOT666 (SMD)
  • Essence: Small signal transistor for general purpose applications
  • Packaging/Quantity: Reel, 3000 pieces

Specifications

  • Type: NPN
  • Collector-Emitter Voltage (VCEO): 45V
  • Collector Current (IC): 500mA
  • Power Dissipation (Ptot): 330mW
  • Transition Frequency (ft): 100MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

  • Pin 1 (Emitter): Connected to the ground
  • Pin 2 (Base): Input terminal for controlling the transistor
  • Pin 3 (Collector): Output terminal

Functional Features

  • High current gain allows for amplification of weak signals
  • Low voltage drop minimizes power loss in switching applications
  • SOT666 package enables compact and space-efficient designs

Advantages

  • Versatile use in various electronic circuits
  • Small form factor for integration into compact devices
  • Reliable performance under different operating conditions

Disadvantages

  • Limited maximum collector current compared to some other transistors
  • Moderate transition frequency may not be suitable for high-frequency applications

Working Principles

The BC817DPN,125 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 electronic signals depending on the configuration in the circuit.

Detailed Application Field Plans

  • Audio amplifiers
  • Signal processing circuits
  • Switching circuits in consumer electronics
  • Voltage regulators

Detailed and Complete Alternative Models

  • BC847DPN,125
  • BC807DPN,125
  • 2N3904
  • 2N2222

This comprehensive entry provides a detailed overview of the BC817DPN,125 transistor, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける BC817DPN,125 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 the BC817DPN,125 transistor used for?

    • The BC817DPN,125 is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.

  2. What are the key specifications of the BC817DPN,125 transistor?

    • The BC817DPN,125 has a maximum collector current of 500mA, a maximum collector-emitter voltage of 45V, and a maximum power dissipation of 625mW.

  3. How do I determine the pin configuration of the BC817DPN,125 transistor?

    • The pinout of the BC817DPN,125 transistor is typically available in its datasheet. The collector, base, and emitter pins are identified in the datasheet.

  4. Can the BC817DPN,125 be used for low-power amplification?

    • Yes, the BC817DPN,125 is suitable for low-power amplification due to its moderate current and voltage ratings.

  5. What are some common circuit configurations using the BC817DPN,125?

    • The BC817DPN,125 can be used in common emitter, common collector, and common base configurations for various amplification and switching purposes.

  6. Is the BC817DPN,125 suitable for high-frequency applications?

    • While the BC817DPN,125 can operate at moderate frequencies, it may not be ideal for high-frequency applications due to its transition frequency and capacitance characteristics.

  7. What are the typical operating conditions for the BC817DPN,125?

    • The BC817DPN,125 operates within a temperature range of -55°C to 150°C and is commonly used in low to moderate voltage and current applications.

  8. Can the BC817DPN,125 be used in audio amplifier circuits?

    • Yes, the BC817DPN,125 can be utilized in low-power audio amplifier circuits, especially for small signal amplification.

  9. Are there any recommended alternative transistors to the BC817DPN,125?

    • Some alternative transistors with similar characteristics include BC547, 2N2222, and 2N3904, but it's important to check the specific requirements of the application.

  10. What precautions should be taken when soldering the BC817DPN,125 transistor?

    • When soldering the BC817DPN,125, it's important to avoid excessive heat, use proper ESD protection, and follow the recommended soldering techniques to prevent damage to the device.