BFU520W: NPN wideband silicon RF transistor

NPN silicon RF transistor for high speed, low noise applications in a plastic, 3-pin SOT323 package.

The BFU520W is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz.

SOT323
Data Sheets (1)
Name/DescriptionModified Date
NPN wideband silicon RF transistor (REV 1.0) PDF (296.0 kB) BFU520W13 Jan 2014
Application Notes (3)
Name/DescriptionModified Date
Low-Cost External Remote Keyless Entry (RKE) Low Noise Amplifier for 315 / 433 / 868 MHz Automotive... (REV 1.0) PDF (1.1 MB) AN1178723 Mar 2016
BFU520W ISM 433 MHz LNA design (REV 1.0) PDF (945.0 kB) AN1142104 Feb 2014
BFU520W ISM 866 MHz LNA design (REV 1.0) PDF (907.0 kB) AN1142204 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 (217.0 kB) SOT32308 Feb 2016
Packing (2)
Name/DescriptionModified Date
Tape reel SMD; standard product orientation 12NC ending 115 (REV 1.0) PDF (187.0 kB) SOT323_11516 Nov 2012
Tape reel SMD; standard product orientation 12NC ending 135 (REV 1.0) PDF (187.0 kB) SOT323_13516 Nov 2012
Supporting Information (1)
Name/DescriptionModified Date
Reflow Soldering Profile (REV 1.0) PDF (34.0 kB) REFLOW_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)
BFU520WActiveSOT323SC-705th101230450NPN0.690018
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateMSLMSL LF
BFU520WSOT323Reflow_Soldering_ProfileReel 7" Q1/T1ActiveBFU520WX (9340 676 93115)ZA%BFU520WAlways Pb-free11
Reel 11¼" Q1/T1 in LargePackActiveBFU520WF (9340 676 93135)ZA%BFU520WAlways Pb-free11
NPN wideband silicon RF transistor bfu520w
Low-Cost External Remote Keyless Entry (RKE) Low Noise Amplifier for 315 / 433 / 868 MHz Automotive... bfu520w
BFU520W ISM 433 MHz LNA design bfu520w
BFU520W ISM 866 MHz LNA design bfu520w
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
BFU520W: S-parameter and Noise Figure 400 MHz - 2 GHz BFU520W
BFU520W: S-parameter 40 MHz - 6 GHz BFU520W
plastic surface-mounted package; 3 leads BSS84AKW
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
Tape reel SMD; standard product orientation 12NC ending 115 BSS84AKW
Tape reel SMD; standard product orientation 12NC ending 135 BAT854CW
PRF947