BK/GMQ-1-1/4

Product Overview

Category: Electronic Component
Use: Signal Amplification
Characteristics: High Gain, Low Noise
Package: TO-39 Metal Can
Essence: Transistor Amplifier
Packaging/Quantity: 100 pieces per pack

Specifications

• Type: NPN Bipolar Junction Transistor
• Maximum Collector Current: 200mA
• Maximum Power Dissipation: 300mW
• Transition Frequency: 250MHz
• Noise Figure: 3dB
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BK/GMQ-1-1/4 transistor has three pins: 1. Emitter (E): Connected to the ground or the common terminal. 2. Base (B): Controls the transistor's conductivity. 3. Collector (C): Collects the current from the circuit.

Functional Features

• High gain amplification of weak signals.
• Low noise figure for improved signal clarity.
• Wide operating temperature range for versatility.
• Compact TO-39 metal can package for easy integration.

Advantages and Disadvantages

Advantages: - High gain amplification capability. - Low noise figure for enhanced signal quality. - Wide operating temperature range for diverse applications.

Disadvantages: - Limited maximum collector current compared to some alternatives. - Relatively lower power dissipation capacity.

Working Principles

The BK/GMQ-1-1/4 operates as an NPN bipolar junction transistor, where the base-emitter junction controls the flow of current between the collector and emitter. By applying a small input current at the base, a larger output current is allowed to pass from the collector to the emitter, effectively amplifying the input signal.

Detailed Application Field Plans

This transistor is commonly used in low-power amplification circuits, such as audio amplifiers, sensor interfaces, and radio frequency (RF) applications. Its high gain and low noise characteristics make it suitable for applications requiring signal amplification with minimal distortion.

Detailed and Complete Alternative Models

• BC547: Similar NPN transistor with comparable specifications.
• 2N3904: Another NPN transistor commonly used for signal amplification.
• 2N2222: General-purpose NPN transistor suitable for various applications.

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This comprehensive entry provides detailed information about the BK/GMQ-1-1/4 transistor, including its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.