FT902Q-C-T

Product Overview

• Category: Electronic Component
• Use: Signal Amplification and Filtering
• Characteristics: High Gain, Low Noise, Wide Frequency Range
• Package: TO-92
• Essence: Transistor
• Packaging/Quantity: Bulk Packaging, 1000 units per pack

Specifications

• Type: NPN Bipolar Junction Transistor
• Maximum Collector Current (Ic): 500mA
• Maximum Collector-Emitter Voltage (Vce): 40V
• Maximum Power Dissipation (Pd): 625mW
• Transition Frequency (ft): 300MHz
• Noise Figure (NF): 2dB
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The FT902Q-C-T transistor has three pins:

1. Base (B): Used for input signal.
2. Collector (C): Collects amplified signal.
3. Emitter (E): Ground reference for the transistor.

Functional Features

• High gain amplification of weak signals.
• Low noise performance for improved signal quality.
• Wide frequency range allows for versatile applications.
• Suitable for small-signal amplification in various electronic circuits.

Advantages and Disadvantages

Advantages

• High gain amplification improves signal strength.
• Low noise figure enhances signal quality.
• Wide frequency range enables diverse applications.
• Compact TO-92 package for easy integration into circuits.
• Bulk packaging provides cost-effective options for large-scale production.

Disadvantages

• Limited maximum collector current may restrict certain high-power applications.
• Narrow operating temperature range may limit usage in extreme environments.

Working Principles

The FT902Q-C-T is a bipolar junction transistor that operates based on the principles of amplification and control of electric current. It consists of three layers of semiconductor material, namely the emitter, base, and collector. By applying a small input current to the base terminal, the transistor allows a larger current to flow from the collector to the emitter, resulting in signal amplification.

Detailed Application Field Plans

The FT902Q-C-T transistor finds applications in various electronic circuits where small-signal amplification is required. Some common application fields include:

1. Audio Amplifiers: Enhancing weak audio signals for improved sound quality.
2. Radio Frequency (RF) Circuits: Amplifying weak RF signals for wireless communication systems.
3. Sensor Interfaces: Amplifying sensor output signals for accurate measurements.
4. Oscillators: Providing gain and stability in oscillator circuits.
5. Signal Filtering: Filtering out unwanted frequencies in electronic circuits.

Detailed and Complete Alternative Models

1. FT901Q-C-T: Similar specifications and characteristics as FT902Q-C-T.
2. FT903Q-C-T: Higher maximum collector current (Ic) of 1A.
3. FT904Q-C-T: Lower noise figure (NF) of 1dB.
4. FT905Q-C-T: Extended operating temperature range (-65°C to +175°C).

These alternative models offer similar functionality with slight variations in specifications to cater to different requirements.

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