2N2405 Transistor

Product Overview

The 2N2405 is a bipolar junction transistor (BJT) belonging to the category of small-signal transistors. It is commonly used for amplification and switching applications due to its high gain and low power requirements. The 2N2405 is characterized by its small package size, making it suitable for compact electronic designs. It is typically available in a TO-18 metal can package and is sold individually or in bulk quantities.

Specifications

• Maximum Collector-Base Voltage: 60V
• Maximum Collector Current: 0.1A
• Power Dissipation: 0.5W
• Transition Frequency: 100MHz
• Operating Temperature Range: -65°C to 200°C

Pin Configuration

The 2N2405 transistor has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

The 2N2405 transistor offers high current gain and low noise, making it suitable for use in audio amplifiers, oscillators, and signal processing circuits. Its compact size and low power consumption make it ideal for portable electronic devices.

Advantages and Disadvantages

Advantages

• High current gain
• Low power consumption
• Compact package size

Disadvantages

• Limited maximum collector current
• Moderate operating temperature range

Working Principles

The 2N2405 operates based on the principles of amplification and control of electrical signals. When a small current flows into the base terminal, it controls a larger current flow between the collector and emitter terminals, allowing for signal amplification and switching.

Application Field Plans

The 2N2405 transistor finds extensive use in the following applications: - Audio amplifiers - Oscillator circuits - Signal processing - Switching circuits

Alternative Models

Some alternative models to the 2N2405 include: - 2N2222 - BC547 - 2N3904 - PN2222

In conclusion, the 2N2405 transistor is a versatile component widely used in various electronic applications, offering high gain and low power consumption within a compact package size.

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