The BFP405F is a wideband Silicon Germanium (SiGe) Heterojunction Bipolar Transistor (HBT). It's designed for low noise and high gain applications up to high frequencies. It is offered in a small and low-cost SMD package.

Applications:

• Low Noise Amplifiers (LNA) in wireless communication systems
• Oscillators
• Mixers
• High-frequency amplifiers
• Satellite communication systems
• Radar systems

Features:

• High transition frequency: 45 GHz
• Low noise figure: 0.9 dB at 1.8 GHz
• High gain: 22 dB at 1.8 GHz
• High maximum stable gain: 28 dB at 1.8 GHz
• Low supply voltage: 2.8 V
• Small SMD package: SOT343

Benefits:

• Excellent performance in low noise and high gain applications.
• Easy to use due to small SMD package.
• Reduces system cost due to low supply voltage requirement.
• Improves system sensitivity in receiver applications.
• Enables high-frequency designs due to high transition frequency.

Additional Details:

The BFP405F features excellent linearity and is suitable for demanding applications in wireless communication. Its high transition frequency enables its use in high-frequency designs. The transistor is typically used in the front-end of receivers to amplify weak signals with minimal added noise. It is housed in a SOT343 package, which is a small surface-mount package. The device is lead-free and RoHS compliant.

Technical Specifications:

• Collector-emitter voltage: 3.3V
• Collector current: 45 mA
• Transition frequency (fT): 45 GHz
• Noise Figure (NF): 0.9 dB at 1.8 GHz