BFR540

BFR540 NPN 9 GHz wideband transistor Rev. 6 13 September 2011 Product data sheet 1. Product profile 1.1 General description The BFR540 is an NPN silicon planar epitaxial transistor in a SOT23 plastic package. 1.2 Features and benefits High power gain Low noise figure High transition frequency Gold metallization ensures excellent reliability. 1.3 Applications RF front end wideband applications in the GHz range Analog and digital cellular telephones Cordless telephones (CT1, CT2, DECT, etc.) Radar detectors Satellite TV tuners (SATV) MATV/CATV amplifiers Repeater amplifiers in fiber-optic systems. 1.4 Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V collector-base voltage open emitter - - 20 V CBO V collector-emitter R =0 --15 V CES BE voltage I collector current (DC) - - 120 mA C 1 P total power dissipation T 70 C - - 500 mW tot sp h DC current gain I =40 mA V = 8 V 100 120 250 FE C CE C feedback capacitance I =i =0A V =8V -0.6 - pF re C c CB f=1MHz f transition frequency I =40 mA V =8V -9 - GHz T C CE f=1GHz G maximum unilateral I =40 mA V =8V UM C CE power gain T =25 C amb f=900MHz - 14 - dB f=2GHz - 7 - dB SOT23BFR540 NXP Semiconductors NPN 9 GHz wideband transistor Table 1. Quick reference data continued Symbol Parameter Conditions Min Typ Max Unit 2 s insertion power gain I =40 mA V =8V 12 13 - dB 21 C CE T =25 C amb f=900MHz NF noise figure = V =8V s opt CE T =25 C amb I =10mA -1.3 1.8 dB C f=900MHz I =40mA -1.9 2.4 dB C f=900MHz I =10mA -2.1 - dB C f=2GHz 1 T is the temperature at the soldering point of the collector tab. sp 2. Pinning information Table 2. Pinning Pin Description Simplified outline Symbol 1base 3 3 2emitter 3 collector 1 12 2 sym021 3. Ordering information Table 3. Ordering information Type number Package Name Description Version BFR540 - plastic surface mounted package 3 leads SOT23 4. Marking Table 4. Marking 1 Type number Marking code BFR540 33* 1 * = p: Made in Hong Kong * = t: Made in Malaysia * = W: Made in China. BFR540 All information provided in this document is subject to legal disclaimers. NXP B.V. 2011. All rights reserved. Product data sheet Rev. 6 13 September 2011 2 of 14