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BC847S
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BC847S Transistor: Product Overview and Specifications

Introduction

The BC847S transistor is a widely used electronic component belonging to the category of small signal transistors. This versatile device finds applications in various electronic circuits due to its unique characteristics and performance.

Basic Information Overview

  • Category: Small Signal Transistor
  • Use: Amplification, Switching
  • Characteristics: High voltage and current gain, low noise
  • Package: SOT-23
  • Essence: NPN Bipolar Junction Transistor
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Maximum Collector-Base Voltage (V_CB): 45V
  • Maximum Collector Current (I_C): 100mA
  • DC Current Gain (h_FE): 110 - 800
  • Transition Frequency (f_T): 100MHz
  • Power Dissipation (P_tot): 250mW

Detailed Pin Configuration

The BC847S transistor has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High voltage gain allows for amplification of weak signals.
  • Low noise characteristic makes it suitable for audio applications.
  • Fast switching speed enables efficient digital circuit operation.

Advantages and Disadvantages

Advantages

  • Versatile applications in amplification and switching circuits.
  • Compact SOT-23 package for space-constrained designs.
  • High current gain for improved signal fidelity.

Disadvantages

  • Limited maximum collector current compared to power transistors.
  • Moderate transition frequency may limit high-frequency applications.

Working Principles

The BC847S 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

The BC847S transistor is commonly used in the following applications: - Audio amplifiers - Signal processing circuits - Digital logic gates - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to BC847S include: - BC337: Higher current and power dissipation capability - 2N3904: Similar characteristics with different pin configuration - BC548: Higher voltage and current ratings

In conclusion, the BC847S transistor offers a balance of performance and versatility, making it an essential component in various electronic circuits.

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10个与BC847S在技术解决方案中的应用相关的常见问题及解答

  1. What is the BC847S transistor used for?

    • The BC847S transistor is commonly used for amplification and switching applications in electronic circuits.

  2. What are the key features of the BC847S transistor?

    • The BC847S transistor features low noise, high current gain, and low power dissipation, making it suitable for various technical solutions.

  3. What is the maximum collector current of the BC847S transistor?

    • The maximum collector current of the BC847S transistor is typically around 100mA, which makes it suitable for low to medium power applications.

  4. Can the BC847S be used in audio amplifier circuits?

    • Yes, the BC847S transistor can be used in audio amplifier circuits due to its low noise characteristics and high current gain.

  5. What are the typical voltage ratings for the BC847S transistor?

    • The BC847S transistor typically has a maximum collector-emitter voltage (Vce) rating of around 45V, making it suitable for many low to medium voltage applications.

  6. Is the BC847S suitable for use in low-power switching applications?

    • Yes, the BC847S transistor is suitable for low-power switching applications due to its low power dissipation and high current gain.

  7. What are the common package types available for the BC847S transistor?

    • The BC847S transistor is commonly available in SOT-23 and SOT-323 package types, which are widely used in compact electronic designs.

  8. Can the BC847S be used in oscillator circuits?

    • Yes, the BC847S transistor can be used in oscillator circuits, especially in low-frequency applications, due to its low noise characteristics.

  9. What are the temperature specifications for the BC847S transistor?

    • The BC847S transistor typically has a wide operating temperature range, making it suitable for various environmental conditions.

  10. Are there any common alternative transistors to the BC847S?

    • Some common alternative transistors to the BC847S include BC547, 2N3904, and 2N2222, which may have similar characteristics and can be used in similar technical solutions.