BFU550A: NPN wideband silicon RF transistor

NPN silicon RF transistor for high speed, low noise applications in a plastic, 3-pin SOT23 package.

The BFU550A is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz.

SOT023
Data Sheets (1)
Name/DescriptionModified Date
NPN wideband silicon RF transistor (REV 1.0) PDF (294.0 kB) BFU550A13 Jan 2014
Application Notes (2)
Name/DescriptionModified Date
BFU550A ISM 433 MHz LNA design (REV 1.0) PDF (975.0 kB) AN1138106 Feb 2014
BFU550A ISM 866 MHz LNA design (REV 1.0) PDF (932.0 kB) AN1138204 Feb 2014
Users Guides (1)
Name/DescriptionModified Date
User Manual BFU5xx series starter kits (REV 1.0) PDF (2.2 MB) UM1077222 Jan 2014
Brochures (1)
Name/DescriptionModified Date
Design with confidence using our latest RF discrete (REV 1.0) PDF (782.0 kB) 7501750107 Jan 2014
Package Information (1)
Name/DescriptionModified Date
plastic surface-mounted package; 3 leads (REV 1.0) PDF (213.0 kB) SOT2308 Feb 2016
Packing (2)
Name/DescriptionModified Date
Tape reel SMD; standard product orientation 12NC ending 235 (REV 2.0) PDF (199.0 kB) SOT23_23505 Feb 2013
Tape reel SMD; standard product orientation 12NC ending 215 (REV 1.0) PDF (202.0 kB) SOT23_21516 Nov 2012
Supporting Information (2)
Name/DescriptionModified Date
Reflow Soldering Profile (REV 1.0) PDF (34.0 kB) REFLOW_SOLDERING_PROFILE30 Sep 2013
Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE30 Sep 2013
Design Support
SPICE model
S-Parameters
Ordering Information
ProductStatusPackage versionPackage namegenerationGenerationfT [typ] (GHz)VCEO [max] (V)IC [max] (mA)Ptot [max] (mW)PolarityNF (dB)@f (MHz)@IC (mA)@VCE (V)
BFU550AActiveSOT23TO-236AB5th111250450NPN0.690018
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateMSLMSL LF
BFU550ASOT23Reflow_Soldering_Profile Wave_Soldering_Profile
Reflow_Soldering_Profile Wave_Soldering_Profile
Reel 11" Q3/T4, LargePackActiveBFU550AVL (9340 676 99235)HW%BFU550AAlways Pb-free11
Reel 7" Q3/T4ActiveBFU550AR (9340 676 99215)HW%BFU550AAlways Pb-free1
NPN wideband silicon RF transistor bfu550a
BFU550A ISM 433 MHz LNA design bfu550a
BFU550A ISM 866 MHz LNA design bfu550a
User Manual BFU5xx series starter kits bfu550xr
Design with confidence using our latest RF discrete bfu590q
plastic surface-mounted package; 3 leads BSS84AK
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Tape reel SMD; standard product orientation 12NC ending 235 BSS84AK
Tape reel SMD; standard product orientation 12NC ending 215 BSS84AK
PMBFJ309