Infineon Technologies AG TRANSISTORS - RF Transistors (BJT) - BFP640 BFP640

Manufacturer: Infineon Technologies
Win Source Part Number: 094137-BFP640
Packaging: Reel - TR
Mounting: SMD (SMT)
Gain: 12.5dB
Frequency - Transition: 40GHz
Transistor Polarity: NPN
Noise Figure (dB Typ @ f): 0.65dB to 1.2dB @ 1.8GHz to 6GHz
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: 150°C (TJ)
Case / Package: PG-SOT343-4
Maximum Current Collector: 50mA
VCEO Maximum Collector-Emitter Breakdown Voltage: 4.5V
Typical Gain (hFE) (Min): 110 @ 30mA, 3V
Maximum Power Dissipation: 200mW
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 45 pct.
Supply and Demand Status: Balance

TRANS RF NPN 4V 50MA SOT343 Product overview: BFP640 from Infineon Technologies is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 4V, 50MA. Search-friendly keywords include transistor, BJT, switching, amplification, 4V, 50MA, Bipolar Transistor, Bipolar RF Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 283-BFP640 can be used for catalog matching and distributor lookup.