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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