2N3811 Transistor

Product Overview

The 2N3811 is a silicon NPN power transistor that belongs to the category of electronic components. It is commonly used in various electronic circuits for amplification and switching purposes due to its high power handling capabilities and reliability. The transistor is characterized by its rugged construction, high current and voltage ratings, and low saturation voltage. It is typically available in a TO-66 package and is widely used in industrial, automotive, and consumer electronic applications.

Basic Information

• Category: Electronic Component
• Use: Amplification and Switching
• Characteristics: High power handling, rugged construction, low saturation voltage
• Package: TO-66
• Packaging/Quantity: Typically sold in individual units

Specifications

• Maximum Collector-Emitter Voltage (VCEO): 80V
• Maximum Collector-Base Voltage (VCBO): 140V
• Maximum Collector Current (IC): 10A
• Power Dissipation (Pd): 100W
• Transition Frequency (ft): 3 MHz
• Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N3811 transistor has three pins: 1. Collector (C): This pin is connected to the positive supply voltage in most circuit configurations. 2. Base (B): The input signal is applied to this pin to control the flow of current between the collector and emitter. 3. Emitter (E): This pin is the output terminal where the amplified or switched current flows out of the transistor.

Functional Features

• High power amplification capability
• Low saturation voltage for efficient switching
• Rugged construction for reliable performance in harsh environments

Advantages and Disadvantages

Advantages

• High power handling capacity
• Low saturation voltage
• Reliable performance in demanding conditions

Disadvantages

• Relatively lower transition frequency compared to some modern alternatives
• Larger physical size compared to SMD counterparts

Working Principles

The 2N3811 operates based on the principles of bipolar junction transistors. When a small current is applied to the base terminal, it controls the larger current flowing between the collector and emitter terminals. This allows the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2N3811 transistor finds extensive use in various applications, including: - Power amplifiers - Motor control circuits - Voltage regulators - Switching power supplies - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the 2N3811 include: - TIP31C - MJ15003 - 2N3055 - MJE13005

In conclusion, the 2N3811 transistor is a versatile electronic component with high power handling capabilities, making it suitable for a wide range of amplification and switching applications across different industries.

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