NPN Wideband Silicon RF Transistor

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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.

See product image

Data Sheet

Application Notes

Product Details

Features

Low noise, high breakdown RF transistor
AEC-Q101 qualified
Minimum noise figure (NF_min) = 0.65 dB at 900 MHz
Maximum stable gain 20 dB at 900 MHz
11 GHz f_T silicon technology

Target Applications

Applications requiring high supply voltages and high breakdown voltages
Broadband amplifiers up to 2 GHz
Low noise amplifiers for ISM applications
ISM band oscillators

Buy/Parametrics

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Documentation

Quick reference to our documentation types.

1-5 of 9 documents

^{Data Sheet}
NPN wideband silicon RF transistor

PDFRev 2.0Mar 5, 2014311.3 KBBFU520English
^{Application Note}
BFU520 ISM 866 MHz LNA design

PDFRev 1.0Feb 4, 2014816.9 KBAN11428English
^{Application Note}
BFU520 ISM 433 MHz LNA design

PDFRev 1.0Feb 4, 2014969.5 KBAN11427English
^{User Guide}
User Manual BFU5xx series starter kits

PDFRev 1.0Jan 21, 20142.2 MBUM10772English
^Brochure
Design with confidence using our latest RF discrete

PDFRev 1.0Jan 7, 2014801.0 KB75017501English
^{Package Information}
plastic surface-mounted package; 4 leads

PDFRev 1.0Feb 8, 2016230.1 KBSOT143BEnglish
^{Packing Information}
Tape reel SMD; standard product orientation 12NC ending 235

PDFRev 1.0Nov 7, 2012191.4 KBSOT143B_235English
^{Packing Information}
Tape reel SMD; standard product orientation 12NC ending 215

PDFRev 1.0Nov 7, 2012191.4 KBSOT143B_215English
^{Supporting Information}
Reflow Soldering Profile

PDFRev 1.0Feb 17, 201434.6 KBREFLOW_SOLDERING_PROFILEEnglish

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Design Resources

Design Files

Quick reference to our design files types.

5 design files

Receive the full breakdown. See the product footprint and more in the eCad file.

^Models
BFU5xx family SPICE GP model v2

ZIPRev 1.0Aug 1, 2014 00:00:0013.0 KBBFU5XX_FAMILY_SPICE_GP_V2_1
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^Models
BFU520: S-parameters 40MHz - 6 GHz

ZIPRev 1.0Apr 23, 2019 00:00:00106.9 KBBFU520_S_PARAMETER_40_MHZ_6_GHZ
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^Models
BFU520: S-parameters and Noise Figure 400 MHz - 2 GHz

ZIPRev 1.0Apr 23, 2019 00:00:0074.3 KBBFU520_SPAR_NF_400MHZ_2GHZ
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^{Design Files - miscellaneous}
BFU5XX family ADS design kit v2

ZIPRev 1.0Aug 1, 2014 00:00:00182.0 KBBFU5XX_FAMILY_ADS_DESIGN_KIT_V2
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^{Design Files - miscellaneous}
Installation manual for NXP^® BFU5XX family ADS_design kit v2

PDFRev 1.0Aug 1, 2014 00:00:00221.0 KBINSTALLATION_MANUAL_FOR_BFU5XX
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Hardware

Quick reference to our board types.

1 hardware offering

^{Evaluation and Development Boards}
Low Noise Amplifier BFU520, BFU530 and BFU550 Customer Evaluation Kit for Transistors in SOT143 Package

OM7962