DU2840S
RF Power MOSFET Transistor
40 W, 2 - 175 MHz, 28 V
Features
Rev. V1
Package Outline
N-Channel enhancement mode device
DMOS structure
Lower capacitances for broadband operation
High saturated output power
Lower noise figure than bipolar devices
RoHS Compliant
ABSOLUTE MAXIMUM RATINGS AT 25° C
Parameter
Symbol
VDS
VGS
IDS
Rating
Units
V
Drain-Source Voltage
Gate-Source Voltage
Drain-Source Current
Power Dissipation
65
20
V
8
125
A
PD
W
Junction Temperature
Storage Temperature
Thermal Resistance
TJ
200
°C
TSTG
θJC
-55 to +150
1.4
°C
°C/W
LETTER
DIM
MILLIMETERS
INCHES
TYPICAL DEVICE IMPEDANCE
MIN
24.64
18.29
20.07
9.47
6.22
5.64
2.92
2.29
4.04
6.58
.10
MAX
24.89
18.54
20.83
9.73
6.48
5.79
3.30
2.67
4.55
7.39
.15
MIN
.970
.720
.790
.373
.245
.222
.115
.090
.159
.259
.004
MAX
.980
.730
.820
.383
.255
.228
.130
.105
.179
.291
.006
F (MHz)
30
ZIN (Ω)
12.0 - j6.8
10.0 - j6.5
6.0 - j5.5
1.1 - j3.0
ZLOAD (Ω)
A
B
C
D
E
F
G
H
J
6.5 - j1.5
6.0 - j1.8
5.5 - j1.8
3.5 - j1.8
50
100
200
VDD = 28V, IDQ = 200mA, POUT = 40 W
ZIN is the series equivalent input impedance of the device
from gate to source.
ZLOAD is the optimum series equivalent load impedance
as measured from drain to ground.
K
L
ELECTRICAL CHARACTERISTICS AT 25°C
Parameter
Drain-Source Breakdown Voltage
Drain-Source Leakage Current
Gate-Source Leakage Current
Gate Threshold Voltage
Forward Transconductance
Input Capacitance
Symbol
BVDSS
IDSS
Min
65
-
Max
-
Units
V
Test Conditions
VGS = 0.0 V , IDS = 10.0 mA
VGS = 28.0 V , VGS = 0.0 V
VGS = 20.0 V , VDS = 0.0 V
VDS = 10.0 V , IDS = 200.0 mA
2.0
2.0
6.0
-
mA
µA
V
IGSS
-
VGS(TH)
GM
2.0
1
S
VDS = 10.0 V , IDS = 2000.0 mA , Δ VGS = 1.0V, 80 μs Pulse
VDS = 28.0 V , F = 1.0 MHz
CISS
-
90
80
16
-
pF
pF
pF
dB
%
Output Capacitance
-
VDS = 28.0 V , F = 1.0 MHz
COSS
CRSS
GP
Reverse Capacitance
Power Gain
-
VDS = 28.0 V , F = 1.0 MHz
13
60
-
VDD = 28.0 V, IDQ = 200 mA, POUT = 40 W F =175 MHz
VDD = 28.0 V, IDQ = 200 mA, POUT = 40 W F =175 MHz
VDD = 28.0 V, IDQ = 200 mA, POUT = 40 W F =175 MHz
Drain Efficiency
ŋD
-
Load Mismatch Tolerance
VSWR-T
30:1
-
1
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