廬
SD2904
RF POWER TRANSISTORS
HF/VHF/UHF N-CHANNEL MOSFETs
s
s
s
s
s
s
s
s
GOLD METALLIZATION
COMMON SOURCE CONFIGURATION
2 - 500 MHz
30 WATTS
28 VOLTS
9.5 dB MIN. AT 400 MHz
CLASS A OR AB OPERATION
EXCELLENT THERMAL STABILITY
M113
epoxy sealed
ORDER CODE
BRANDING
SD2904
SD2904
DESCRIPTION
The SD2904 is a gold metallized N-Channel MOS
field-effect RF power transistor. It is intended for
use in 28 V DC large signal applications up to
500 MHz
PIN CONNECTION
1. Drain
2. Source
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25
o
C)
Symbol
V
(BR)DSS
V
DGR
V
GS
I
D
P
DI SS
T
j
T
STG
Parameter
Drain Source Voltage
Drain-Gate Voltage (R
GS
=1M鈩?
Gate-Source Voltage
Drain Current
Power Dissipation
Max. O perating Junction Temperature
Storage Temperature
Value
65
65
鹵20
5
100
200
-65 to 150
3.Gate
4. Source
Uni t
V
V
V
A
W
o
o
C
C
THERMAL DATA
R
th (j-c)
R
th(c -s)
Junction-Case T hermal Resistance
Case-Heatsink T hermal Resistance
鈭?/div>
1.75
0.30
o
o
C/W
C/W
* Determined using a flat aluminum or copper heatsink with thermal compound applied (Dow Corning 340 or equivalent).
November 1999
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