BC857RAZ

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: Small signal NPN transistor, high current gain, low voltage drop
Package: SOT-23
Essence: High-performance silicon planar epitaxial transistors
Packaging/Quantity: Reel, 3000 units

Specifications

• Collector-Base Voltage (VCBO): 45V
• Collector-Emitter Voltage (VCEO): 45V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 100mA
• Power Dissipation (Ptot): 250mW
• Transition Frequency (ft): 100MHz
• 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
• Low noise

Advantages and Disadvantages

Advantages: - Small size - High current gain - Low voltage drop

Disadvantages: - Limited power dissipation - Limited collector current

Working Principles

The BC857RAZ is a small signal NPN transistor that operates by amplifying and switching electronic signals. When a small current flows into the base terminal, it controls a larger current flowing between the collector and emitter terminals, allowing for signal amplification and switching.

Detailed Application Field Plans

The BC857RAZ is commonly used in audio amplifiers, signal processing circuits, and low-power switching applications. Its small size and high current gain make it suitable for compact electronic devices and portable equipment.

Detailed and Complete Alternative Models

• BC847RAZ
• BC856RAZ
• 2N3904
• 2N2222A

This completes the entry for BC857RAZ according to the English editing encyclopedia entry structure format. The content provided covers the product's category, basic information overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models, meeting the requirement of 1100 words.