MMBT2484 Transistor

Introduction

The MMBT2484 is a type of bipolar junction transistor (BJT) that belongs to the category of small signal transistors. It is commonly used in electronic circuits for amplification and switching applications due to its high frequency and low power characteristics.

Basic Information Overview

• Category: Small Signal Transistor
• Use: Amplification and Switching
• Characteristics: High Frequency, Low Power
• Package: SOT-23
• Essence: NPN Transistor
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Maximum Collector-Base Voltage (Vcb): 60V
• Maximum Collector-Emitter Voltage (Vce): 40V
• Maximum Emitter-Base Voltage (Veb): 6V
• Continuous Collector Current (Ic): 0.1A
• Power Dissipation (Pd): 225mW
• Transition Frequency (ft): 250MHz

Detailed Pin Configuration

The MMBT2484 transistor has three pins: 1. Collector (C): Connected to the positive supply voltage in most applications. 2. Base (B): Used to control the flow of current between the collector and emitter. 3. Emitter (E): Connected to the ground or common reference point.

Functional Features

• High frequency capability makes it suitable for RF applications.
• Low power consumption ideal for battery-operated devices.
• Fast switching speed enables efficient digital circuitry.

Advantages and Disadvantages

Advantages

• High frequency performance
• Low power consumption
• Compact SOT-23 package

Disadvantages

• Limited maximum collector current
• Moderate power dissipation capability

Working Principles

The MMBT2484 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

The MMBT2484 transistor finds applications in various electronic circuits, including: - Radio Frequency (RF) amplifiers - Oscillators - Signal amplification stages in audio equipment - Switching circuits in digital electronics

Detailed and Complete Alternative Models

Some alternative models to MMBT2484 include: - 2N3904 - BC547 - 2SC945 - PN2222

In conclusion, the MMBT2484 transistor is a versatile component with high frequency and low power characteristics, making it suitable for a wide range of electronic applications.

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