2000 Apr 03 2
Philips Semiconductors Product specification
UHF wideband transistor PRF949
FEATURES
• Small size
• Low noise
• Low distortion
• High gain
• Gold metallization ensures excellent reliability.
APPLICATIONS
• Communication and instrumentation systems.
DESCRIPTION
Silicon NPN transistor in a surface mount 3-pin SOT416
(SC-75) package. The transistor is primarily intended for
wideband applications in the GHz range in the RF front
end of analog and digital cellular telephones, cordless
phones, radar detectors, pagers and satellite TV-tuners.
PINNING SOT416 (SC-75)
PIN DESCRIPTION
1 base
2 emitter
3 collector
handbook, halfpage
12
3
MBK090
Top view
Fig.1 Simplified outline (SOT416).
Marking code: V0.
QUICK REFERENCE DATA
Note
1. T
s
is the temperature at the soldering point of the collector pin.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
C
re
feedback capacitance I
C
= 0; V
CB
=6V; f=1MHz − 0.3 − pF
f
T
transition frequency I
C
= 15 mA; V
CE
=6V; f
m
= 1 GHz 7 9 − GHz
G
UM
maximum unilateral power gain I
C
= 15 mA; V
CE
=6V;
T
amb
=25°C; f = 1 GHz
− 16 − dB
NF noise figure Γ
S
= Γ
opt
; I
C
= 5 mA; V
CE
=6V;
f = 1 GHz
− 1.5 2.5 dB
P
tot
total power dissipation T
s
=75°C; note 1 −−150 mW
R
th j-s
thermal resistance from junction
to soldering point
−−500 K/W
