2N4403RL

Product Overview

Category

The 2N4403RL is a general-purpose PNP bipolar junction transistor (BJT) used for amplification and switching applications.

Use

It is commonly used in audio amplification, signal processing, and low-power switching circuits.

Characteristics

• Low power dissipation
• High current gain
• Low noise
• Medium voltage capability

Package

The 2N4403RL is available in a TO-92 package, which is a widely used through-hole package for transistors.

Packaging/Quantity

It is typically supplied in reels or tubes with varying quantities depending on the supplier.

Specifications

• Collector-Emitter Voltage (VCEO): -40V
• Collector-Base Voltage (VCBO): -60V
• Emitter-Base Voltage (VEBO): -5V
• Collector Current (IC): -600mA
• Power Dissipation (PD): 625mW
• Transition Frequency (fT): 250MHz
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

1. Emitter (E)
2. Base (B)
3. Collector (C)

Functional Features

The 2N4403RL offers high current gain, making it suitable for low-power amplification and switching applications. It also exhibits low noise characteristics, making it ideal for signal processing circuits.

Advantages

• Low power dissipation
• High current gain
• Low noise performance
• Versatile for various low-power applications

Disadvantages

• Limited voltage and current handling capabilities compared to higher power transistors
• Not suitable for high-power applications

Working Principles

The 2N4403RL operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current. In amplification applications, small variations in the base current result in larger variations in the collector current, enabling signal amplification.

Detailed Application Field Plans

Audio Amplification

The 2N4403RL can be used in low-power audio amplifier circuits, providing amplification for audio signals in portable electronic devices and small audio systems.

Signal Processing

In signal processing applications, the transistor can be utilized for amplifying and processing low-level signals in communication systems, instrumentation, and control circuits.

Low-Power Switching

The transistor can serve as a switch in low-power applications such as relay drivers, LED drivers, and logic level conversion circuits.

Detailed and Complete Alternative Models

• BC557: A complementary PNP transistor with similar characteristics
• 2N3906: Another PNP transistor suitable for low-power applications
• BC327: PNP transistor with comparable specifications

In conclusion, the 2N4403RL is a versatile PNP transistor suitable for low-power amplification and switching applications. Its low power dissipation, high current gain, and low noise characteristics make it a popular choice in various electronic circuits.

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