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BFR540
NPN 9 GHz wideband transistor
Rev. 05 -- 1 September 2004 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
s High power gain
s Low noise figure
s High transition frequency
s Gold metallization ensures excellent reliability.

1.3 Applications
s RF front end wideband applications in the GHz range
x Analog and digital cellular telephones
x Cordless telephones (CT1, CT2, DECT, etc.)
x Radar detectors
x Satellite TV tuners (SATV)
x MATV/CATV amplifiers
x Repeater amplifiers in fiber-optic systems.

1.4 Quick reference data
Table 1: Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
VCBO collector-base voltage open emitter - - 20 V
VCES collector-emitter RBE = 0 - - 15 V
voltage
IC collector current (DC) - - 120 mA
Ptot total power dissipation Tsp 70