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BFP640FESD
  • BFP640FESD

BFP640FESD

The BFP640FESD is a Silicon Germanium Carbon (SiGe:C) NPN Heterojunction wideband Bipolar RF Transistor (HBT) in a plastic thin small flat 4-pin dual emitter package with visible leads. The device is fitted with internal protection circuits, which enhance robustness against ESD and high RF input power strongly. The device combines robustness with very high RF gain and lowest noise figure at low operation current for use in a wide range of wireless applications. The BFP640FESD is especially well-suited for portable battery-powered applications in which reduced power consumption is a key requirement. Device design supports collector voltages up to 4.1 V.

Infineon Technologies BFP640FESD Product Info

16 April 2026 0

Parameters

fT

46 GHz

Gmax

29.50 dB @900 MHz

IC max

50 mA

NFmin

0.55 dB @900 MHz

OIP3

26 dBm

OP1dB

11.5 dBm

Package

TSFP-4

Ptot

200 mW

VCEO max

4.1 V

Features

  • Robust high performance low noise amplifier based on Infineon´s reliable, high volume SiGe:C wafer technology
  • 2 kV ESD robustness (HBM) due to integrated protection circuits
  • High maximum RF input power of 21 dBm
  • 0.6 dB minimum noise figure typical at 1.5 GHz, 0.65 dB at 2.4 GHz, 6 mA
  • 28.5 dB maximum gain Gms typical at 1.5 GHz, 25 dB at 2.4 GHz, 30 mA
  • 26 dBm OIP3 typical at 2.4 GHz, 30 mA
  • Accurate SPICE GP model available to enable effective design in process (see chapter 6)
  • Thin, small, flat, Pb- and halogen free (RoHS compliant) package with visible leads

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