271PGLFT

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 (Vceo): 50V
• Emitter-Base Voltage (Vbe): 5V
• Power Dissipation (Pd): 350mW
• Transition Frequency (ft): 250MHz
• Operating Temperature Range: -55°C to +150°C

Detailed and Complete Pin Configuration

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

Functional Characteristics

• High current gain (hFE)
• Low noise figure
• Fast switching speed
• Wide frequency response

Advantages and Disadvantages

Advantages: - High gain allows for signal amplification - Low noise figure ensures minimal distortion - Fast switching speed enables quick response in applications - Wide frequency response covers a broad range of signals

Disadvantages: - Limited power dissipation capability - Narrow operating temperature range

Applicable Range of Products

• Audio amplifiers
• RF amplifiers
• Oscillators
• Switching circuits

Working Principles

The 271PGLFT is an NPN transistor that operates as an amplifier. When a small input signal is applied to the base terminal, it controls the larger output current flowing through the collector-emitter path. This amplification is achieved by the transistor's ability to control the flow of electrons between the emitter and collector regions.

Detailed Application Field Plans

1. Audio Amplifier Circuit: The 271PGLFT can be used in audio amplifiers to boost the signal strength and improve sound quality.
2. RF Amplifier Circuit: It can be employed in radio frequency amplifiers to amplify weak signals received from antennas.
3. Oscillator Circuit: The transistor can be utilized in oscillator circuits to generate stable oscillations for various applications.
4. Switching Circuit: It can be incorporated into switching circuits to control the flow of current or voltage.

Detailed Alternative Models

• 2N3904
• BC547
• PN2222
• 2SC945
• MPSA18

5 Common Technical Questions and Answers

1. Q: What is the maximum collector current of the 271PGLFT? A: The maximum collector current is 100mA.

2. Q: What is the operating temperature range of the transistor? A: The operating temperature range is -55°C to +150°C.

3. Q: Can the 271PGLFT be used as a power amplifier? A: No, it has limited power dissipation capability and is more suitable for low-power applications.

4. Q: What is the typical gain (hFE) of the transistor? A: The typical gain is around 100-300.

5. Q: Is the 271PGLFT compatible with surface mount technology (SMT)? A: Yes, it comes in a SOT-23 package, which is commonly used in SMT applications.

This encyclopedia entry provides an overview of the 271PGLFT 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.