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NXP Semiconductors BFU550XRR — Discrete Semiconductors
NXP Semiconductors

NXP BFU550XRR RF Transistor NPN 12V 11GHz SOT-143R AEC-Q101

MPNBFU550XRR
End of Life

NXP BFU550XRR, Automotive AEC-Q101, RF NPN transistor, 12V Vceo, 11GHz fT, 21.5dB gain, 0.7dB noise figure, 450mW, SOT-143R, -40 to 150°C.

$0.44Ref. price · indicative, final on quote
BFU550XRR datasheet
PackagingSOT-143R
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
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Specifications

BFU550XRR Technical Specifications
ParameterValue
SeriesAutomotive, AEC-Q101
Mounting typeSurface Mount
FET typeNPN
Voltage - collector emitter breakdown12V
Current - collector (Ic)50mA
DC current gain (hFE) (Min) @ ic, vce60 @ 15mA, 8V
Power - max450mW
Frequency11GHz
Operating temperature-40°C ~ 150°C (TJ)
Gain21.5dB
PackageTape & Reel (TR); Cut Tape (CT)
CaseSOT-143R
Noise figure (dB typ @ f)0.7dB @ 900MHz

Product details

RF NPN for automotive front-ends

The NXP BFU550XRR is an NPN RF transistor in a SOT-143R surface-mount package. It delivers 21.5 dB gain at 900 MHz with a noise figure of 0.7 dB at that frequency.

AEC-Q101 qualification and temperature range

This part carries AEC-Q101 qualification. It is rated for a junction temperature range of -40 to 150 °C.

Gain and noise figure — what they mean for the receiver

At 21.5 dB gain and 0.7 dB noise figure (900 MHz), the BFU550XRR can serve as the first LNA in a cascaded receiver chain. The 12 V collector-emitter breakdown limits the supply rail in typical bias configurations.

Frequently asked questions

Is BFU550XRR automotive qualified (AEC-Q101)?

Yes, the BFU550XRR is AEC-Q101 qualified, as indicated by its Automotive series designation. This qualification covers the stress tests required for automotive-grade discrete semiconductors, making it suitable for under-hood and cabin electronics.

What is the noise figure of BFU550XRR?

The noise figure is 0.7 dB at 900 MHz. This low noise figure is critical for maintaining receiver sensitivity in GPS, cellular, and V2X front-end stages.