The BFP181 E6327 is a wideband silicon bipolar RF transistor manufactured by Infineon Technologies. It is designed for high-performance applications in the low-noise amplifier (LNA) and oscillator stages of communication systems.

Applications

• Low Noise Amplifiers (LNAs)
• Oscillators
• RF front-ends
• Satellite communication systems
• Wireless LAN applications

Features

• High transition frequency: fT = 45 GHz
• Low noise figure: NF = 1.3 dB at 1.8 GHz, VCE = 2 V, IC = 5 mA
• High maximum stable gain: MSG = 21 dB at 1.8 GHz, VCE = 2 V, IC = 5 mA
• High collector-emitter voltage: VCEO = 3 V
• Available in small SMD packages

Benefits

• Enables high-performance RF front-ends due to its high transition frequency and low noise figure.
• Reduces system noise and improves receiver sensitivity in LNA applications.
• Provides stable gain performance for oscillator designs.
• Simplifies board design and reduces component count due to its small SMD package.
• Offers excellent power gain for improved signal strength.

Additional Details

The BFP181 E6327 is fabricated using Infineon’s advanced silicon bipolar technology. It is typically used in applications requiring high gain, low noise, and high-frequency operation. The transistor is supplied in a small SOT-343 package, which allows for efficient mounting and minimal footprint on the PCB. Its high transition frequency (fT) of 45 GHz makes it suitable for use in high-frequency circuits operating in the GHz range. The low noise figure ensures that the transistor contributes minimal noise to the overall system, improving receiver sensitivity. This part is commonly used in mobile communication systems and wireless data transmission.

Technical Specifications:

• Collector-Emitter Voltage (VCEO): 3V
• Collector Current (IC): 35mA
• Transition Frequency (fT): 45 GHz
• Noise Figure (NF): 1.3 dB at 1.8 GHz
• Package: SOT-343