Datasheet

1996 May 09 2
Philips Semiconductors Product specification
UHF power transistor BLT81
FEATURES
• SMD encapsulation
• Gold metallization ensures excellent reliability.
APPLICATIONS
• Hand-held radio equipment in the 900 MHz
communication band.
DESCRIPTION
NPN silicon planar epitaxial transistor encapsulated in a
plastic SOT223 SMD package.
PINNING - SOT223
PIN SYMBOL DESCRIPTION
1 e emitter
2 b base
3 e emitter
4 c collector
Fig.1 Simplified outline and symbol.
handbook, halfpage
e
c
b
MAM043 - 1
4
123
Top view
QUICK REFERENCE DATA
RF performance at T
s
≤ 60 °C in a common emitter test circuit (see Fig.7).
MODE OF OPERATION
f
(MHz)
V
CE
(V)
P
L
(W)
G
p
(dB)
η
C
(%)
CW, class-B narrow band 900
7.5 1.2 ≥6 ≥60
6 1.2 typ. 6.5 typ. 77