BFU520: NPN wideband silicon RF transistor

NPN silicon RF transistor for high speed, low noise applications in a plastic, 4-pin dual-emitter SOT143B package.

The BFU520 is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz.

Outline 3d SOT143b
Data Sheets (1)
Name/DescriptionModified Date
NPN wideband silicon RF transistor (REV 2.0) PDF (304.0 kB) BFU52005 Mar 2014
Application Notes (2)
Name/DescriptionModified Date
BFU520 ISM 433 MHz LNA design (REV 1.0) PDF (947.0 kB) AN1142704 Feb 2014
BFU520 ISM 866 MHz LNA design (REV 1.0) PDF (798.0 kB) AN1142804 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; 4 leads (REV 1.0) PDF (225.0 kB) SOT143B08 Feb 2016
Packing (2)
Name/DescriptionModified Date
Tape reel SMD; standard product orientation 12NC ending 215 (REV 1.0) PDF (187.0 kB) SOT143B_21507 Nov 2012
Tape reel SMD; standard product orientation 12NC ending 235 (REV 1.0) PDF (187.0 kB) SOT143B_23507 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)
BFU520ActiveSOT143BSOT143B5th10.51230450NPN0.6590018
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateMSLMSL LF
BFU520SOT143BReflow_Soldering_Profile Wave_Soldering_Profile
Reflow_Soldering_Profile Wave_Soldering_Profile
Reel 11" Q3/T4, LargePackActiveBFU520VL (9340 677 02235)%TABFU520Always Pb-free11
Reel 7" Q3/T4ActiveBFU520R (9340 677 02215)%TABFU520Always Pb-free11
NPN wideband silicon RF transistor bfu520
BFU520 ISM 433 MHz LNA design bfu520
BFU520 ISM 866 MHz LNA design bfu520
User Manual BFU5xx series starter kits bfu550xr
Design with confidence using our latest RF discrete bfu590q
BFU5XX family ADS design kit v2 BFU590Q
Installation manual for NXP BFU5XX family ADS_design kit v2 BFU590Q
BFU5xx family SPICE GP model v2 BFU590Q
BFU520: S-parameter and Noise Figure 400 MHz - 2 GHz BFU520
BFU520: S-parameter 40MHz - 6 GHz BFU520
plastic surface-mounted package; 4 leads prtr5v0u2x
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Tape reel SMD; standard product orientation 12NC ending 235 prtr5v0u2ax
Tape reel SMD; standard product orientation 12NC ending 215 prtr5v0u2x
BF996S