280PGLFT

Basic Information Overview

• Category: Electronic Component
• Use: Signal Amplification
• Characteristics: High Gain, Low Noise
• Package: SOT-23
• Essence: NPN Transistor
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications and Parameters

• Collector Current (Ic): 100mA
• Collector-Emitter Voltage (Vce): 30V
• Emitter-Base Voltage (Veb): 5V
• Power Dissipation (Pd): 350mW
• Transition Frequency (ft): 250MHz
• Noise Figure (NF): 1dB

Detailed and Complete Pin Configuration

The 280PGLFT transistor has three pins:

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

Functional Characteristics

• High voltage gain
• Low noise figure
• Fast switching speed
• Wide frequency response

Advantages and Disadvantages

Advantages: - High gain allows for signal amplification - Low noise figure ensures minimal signal distortion - Small package size enables compact circuit design

Disadvantages: - Limited power handling capability - Restricted voltage and current ratings

Applicable Range of Products

The 280PGLFT transistor is commonly used in various electronic devices, including:

• Audio amplifiers
• RF receivers
• Oscillators
• Switching circuits

Working Principles

The 280PGLFT is an NPN transistor that operates as a current amplifier. When a small current flows into the base terminal, it controls a larger current flowing between the collector and emitter terminals. This amplification allows the transistor to boost weak signals.

Detailed Application Field Plans

1. Audio Amplifier Circuit: The 280PGLFT can be used in audio amplifiers to amplify weak audio signals from sources such as microphones or musical instruments.

2. RF Receiver Circuit: This transistor is suitable for RF receivers, where it amplifies weak radio frequency signals received by antennas.

3. Oscillator Circuit: The 280PGLFT can be utilized in oscillator circuits to generate stable and precise frequencies for various applications.

4. Switching Circuit: Due to its fast switching speed, this transistor is ideal for switching circuits that require rapid on/off transitions.

Detailed Alternative Models

• BC547
• 2N3904
• PN2222
• MPSA18
• C945

5 Common Technical Questions and Answers

1. Q: What is the maximum collector current of the 280PGLFT? A: The maximum collector current is 100mA.

2. Q: What is the noise figure of this transistor? A: The noise figure is 1dB.

3. Q: Can the 280PGLFT handle high power dissipation? A: No, the power dissipation should not exceed 350mW.

4. Q: What is the typical transition frequency of this transistor? A: The typical transition frequency is 250MHz.

5. Q: How many units are there in a reel of 280PGLFT? A: There are 3000 units per reel.

This encyclopedia entry provides an overview of the 280PGLFT transistor, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, application field plans, alternative models, and common technical questions and answers.