Encyclopedia Entry: 72281L10TF8

Product Information Overview

Category: Electronic Component
Use: Signal Amplification
Characteristics: High Gain, Low Noise
Package: SMD (Surface Mount Device)
Essence: Transistor
Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

• Model Number: 72281L10TF8
• Type: NPN Bipolar Junction Transistor
• Maximum Collector Current: 500mA
• Maximum Collector-Emitter Voltage: 30V
• Maximum Power Dissipation: 350mW
• Transition Frequency: 300MHz
• Noise Figure: 2dB
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 72281L10TF8 transistor has three pins:

1. Base (B): Used for input signal control.
2. Emitter (E): Connected to the ground or reference potential.
3. Collector (C): Outputs the amplified signal.

Functional Features

• High gain amplification of weak signals.
• Low noise figure for improved signal quality.
• Suitable for small-signal amplification applications.
• Compact SMD package for space-constrained designs.
• Wide operating temperature range for versatile usage.

Advantages and Disadvantages

Advantages: - High gain amplification improves signal strength. - Low noise figure ensures minimal signal distortion. - Small form factor allows for compact circuit designs. - Wide operating temperature range enables usage in various environments.

Disadvantages: - Limited maximum collector current may restrict high-power applications. - Lower transition frequency compared to some alternative models. - Requires careful handling during assembly due to its small size.

Working Principles

The 72281L10TF8 is an NPN bipolar junction transistor that operates based on the principles of amplification. When a small input signal is applied to the base terminal, it controls the flow of current between the collector and emitter terminals. This controlled current amplifies the input signal, allowing for increased signal strength at the output.

Detailed Application Field Plans

The 72281L10TF8 transistor finds applications in various fields, including:

1. Communication Systems: Used in radio frequency (RF) amplifiers for signal amplification.
2. Audio Amplification: Employed in audio amplifiers to enhance weak audio signals.
3. Sensor Circuits: Utilized in sensor circuits to amplify weak sensor outputs.
4. Oscillator Circuits: Incorporated in oscillator circuits for signal generation and amplification.
5. Medical Devices: Applied in medical devices for amplifying bioelectric signals.

Detailed and Complete Alternative Models

1. 2N3904: NPN transistor with similar characteristics and widely available.
2. BC547: General-purpose NPN transistor suitable for low-power applications.
3. MPSA18: High-gain NPN transistor with excellent noise performance.

These alternative models can be considered based on specific requirements and availability.

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