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BC858CW-G
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BC858CW-G

Introduction

The BC858CW-G is a versatile electronic component that belongs to the category of small-signal transistors. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Small-signal transistor
  • Use: Amplification and switching in electronic circuits
  • Characteristics: Low power, high voltage, and low noise
  • Package: SOT-23
  • Essence: NPN bipolar junction transistor
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Collector-Base Voltage (VCBO): 30V
  • Collector-Emitter Voltage (VCEO): 25V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA
  • Power Dissipation (Ptot): 250mW
  • Transition Frequency (ft): 150MHz
  • Noise Figure (NF): 4dB

Detailed Pin Configuration

The BC858CW-G has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High current gain
  • Low noise
  • Suitable for audio frequency amplification
  • Fast switching speed

Advantages and Disadvantages

Advantages

  • Small package size
  • Wide operating temperature range
  • Low leakage current

Disadvantages

  • Relatively low power dissipation capability
  • Limited collector current compared to other transistors in the same category

Working Principles

The BC858CW-G 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 or switching of signals in electronic circuits.

Detailed Application Field Plans

The BC858CW-G is commonly used in the following applications: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the BC858CW-G include: - BC847CW-G - BC856BW-G - BC850CW-G - 2N3904

In conclusion, the BC858CW-G is a small-signal transistor with specific characteristics and applications. Its compact size and performance make it suitable for various electronic circuit designs.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BC858CW-G i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of BC858CW-G in technical solutions:

  1. What is the maximum collector current (IC) rating for BC858CW-G?

    • The maximum collector current (IC) rating for BC858CW-G is 100mA.

  2. What is the typical gain (hFE) of BC858CW-G at a specific collector current?

    • The typical gain (hFE) of BC858CW-G at a collector current of 10mA is 250-600.

  3. What is the maximum power dissipation (Ptot) for BC858CW-G?

    • The maximum power dissipation (Ptot) for BC858CW-G is 200mW.

  4. What are the typical applications for BC858CW-G?

    • BC858CW-G is commonly used in audio amplification, signal processing, and general purpose switching applications.

  5. What is the maximum voltage (VCEO) that BC858CW-G can handle?

    • The maximum voltage (VCEO) for BC858CW-G is 30V.

  6. Is BC858CW-G suitable for low noise amplifier circuits?

    • Yes, BC858CW-G is suitable for low noise amplifier circuits due to its low noise characteristics.

  7. Can BC858CW-G be used in high-frequency applications?

    • BC858CW-G is not specifically designed for high-frequency applications, but it can be used in moderate frequency applications.

  8. What is the thermal resistance (Rthj-a) of BC858CW-G?

    • The thermal resistance (Rthj-a) of BC858CW-G is approximately 200°C/W.

  9. Does BC858CW-G have a complementary PNP transistor?

    • Yes, the complementary PNP transistor for BC858CW-G is BC848CW-G.

  10. Are there any specific soldering or mounting considerations for BC858CW-G?

    • It is recommended to follow the standard soldering and mounting practices for SOT-23 packaged transistors, ensuring proper heat dissipation and avoiding excessive mechanical stress during assembly.

I hope these questions and answers are helpful for your technical solutions involving BC858CW-G! If you have any more specific questions, feel free to ask.