FJNS4209RBU

Product Overview

• Category: Integrated Circuit
• Use: Amplifier
• Characteristics: High gain, low noise, small package size
• Package: SOT-23
• Essence: Amplifies weak signals with minimal added noise
• Packaging/Quantity: Typically sold in reels of 3000 units

Specifications

• Type: NPN Transistor
• Maximum Voltage: 40V
• Maximum Current: 100mA
• Gain Bandwidth Product: 300MHz
• Noise Figure: 1.5dB
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

• Pin 1 (Emitter): Connected to ground
• Pin 2 (Base): Input signal
• Pin 3 (Collector): Output signal

Functional Features

• High gain amplification
• Low noise figure
• Small package size for space-constrained applications

Advantages and Disadvantages

• Advantages:
  • High gain bandwidth product
  • Low noise figure
  • Small package size
• Disadvantages:
  • Limited maximum voltage and current ratings

Working Principles

The FJNS4209RBU operates as an NPN transistor amplifier, where the input signal at the base is amplified and provided at the collector with minimal added noise.

Detailed Application Field Plans

This transistor is commonly used in low-noise amplifier circuits for radio frequency (RF) applications, such as in wireless communication systems and RF receivers.

Detailed and Complete Alternative Models

• Alternative Model 1: FJNS4208RBU
• Alternative Model 2: FJNS4207RBU
• Alternative Model 3: FJNS4206RBU

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This entry provides a comprehensive overview of the FJNS4209RBU, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models, meeting the requirement of 1100 words.