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ADVANCE DATA
Jun 2000
SD2933
RF POWER TRANSISTORS
HF/VHF/UHF N-CHANNEL MOSFETs
M177
epoxy sealed
ORDER CODE
SD2933 BRANDING
SD2933
•GOLD METALLIZATION
•EXCELLENT THERMAL STABILITY
•COMMON SOURCE CONFIGURATION
•POUT = 300 W MIN. WITH 20 dB GAIN @ 30
MHz
•THERMALLY ENHANCED PACKAGING
DESCRIPTION
The SD2933 is a gold metallized N-Channel MOS
field-effect RF power transistor. It is intended for
use in 50 V DC large signal applications up to 150
MHz
PIN CONNECTION
1. Drain
2. Source
3. Gate
4. Source
5. Source
ABSOLUTE MAXIMUM RATINGS(TCASE =250
C)
Symbol Parameter Value Unit
V(BR)DSS Drain Source Volatage 125 V
VDGR Drain-Gate Voltage (RGS =1MΩ)125 V
VGS Gate-Source Voltage ±20 V
IDDrain Current 40 A
PDISS Power Dissipation 648 W
TjMax. Operating Junction Temperature 200 0C
TSTG Storage Temperature -65 to 150 0C
THERMAL DATA
Rth(j-c)
Rth(c-s) Junction-Case Thermal Resistance
Case-Heatsink Thermal Resistance* 0.27
0.15 0C/W
0C/W
* Determined using a flat aluminum or copper heatsink with thermal compound apllied (Dow Corning 340 or equivalent).
SD2933
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ELECTRICAL SPECIFICATION(TCASE =250
C)
STATIC
Symbol Parameter Min. Typ. Max. Unit
V(BR)DSS VGS =0V I
DS =200mA 125 V
IDSS VGS =0V V
DS =50V 10 mA
IGSS VGS =20V V
DS =0V 10 µA
VGS(Q) VDS =10V I
D=250mA 25V
V
DS(ON) VGS =10V I
D=10A 3V
g
FS VDS =10V I
D=10A 10 mho
CISS VGS =0V V
DS =50V f=1MHz 1000 pF
COSS VGS =0V V
DS = 50 V f = 1 MHz 372 pF
CRSS VGS =0V V
DS =50V f=1MHz 29 pF
REF. 7170198B
Frequency ZIN (Ω)Z
DL (Ω)
30 MHz 1.8 - j 0.2 2.8 + j 2.3
108 MHz 1.9 + j 0.2 1.6 + j 1.4
150 MHz 1.9 + j 0.3 1.5 + j 1.6
DYNAMIC
Symbol Parameter Min. Typ. Max. Unit
POUT f = 30 MHz VDD =50V I
DQ = 250 mA 300 400 W
GPS f = 30 MHz VDD =50V P
OUT = 300 W IDQ = 250 mA 20 23.5 dB
ηDf = 30 MHz VDD =50V P
OUT = 300 W IDQ = 250 mA 50 65 %
Load
Mismatch f = 30 MHz VDD =50V P
OUT = 300 W IDQ = 250 mA
All Phase Angles 3:1 VSWR
IMPEDANCE DATA
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SD2933
-25 0 25 50 75 100
Tc, CASE TEMPERATURE (ºC)
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
Vgs, GATE-SOURCE VOLTAGE (NORMALIZED)
Vdd=10V
Id=.1A
Id=.25A
Id=1 A
Id=2 A
Id=3 A
Id=5 A
Id=4 A
Id=7 A
Id=10 A
Id=12 A
Id=15 A
Maximum Thermal Resistance vs. Case Temperature
25 35 45 55 65 75 85
Tc, CASE TEMPERATURE (°C)
0.26
0.27
0.28
0.29
0.3
0.31
0.32
0.33
Rth(j-c), THERMAL RESISTANCE (°C/W)
Capacitance vs. Drain-Source Voltage
0 1020304050
Vds, DRAIN-SOURCE VOLTAGE (V)
10
100
1000
10000
C, CAPACITANCE (pF)
f= 1MHz
Crss
Coss
Ciss
Drain Current vs. Gate Voltage
1 1.5 2 2.5 3 3.5 4
Vgs, GATE-SOURCE VOLTAGE (V)
0
5
10
15
Id, DRAIN CURRENT (A)
Tc=-20°C
Tc=+25°C
Tc=+80°C
Vdd= 10V
TYPICAL PERFORMANCE
Gate-Source Voltages vs. Case Temperature
SD2933
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00.511.522.53
Pin,INPUTPOWER(W)
0
100
200
300
400
500
Pout,OUTPUTPOWER(W)
F=30MHz
Vdd=50V
Idq=250mA
Tc = + 250 CTc= -200C
Tc = +80 0C
0 100 200 300 400
Pout, OUTPUT POWER (W)
16
18
20
22
24
26
Gp, POWER GAIN (dB)
F= 30 MHz
Vdd= 50 V
Idq= 250 mA
Drain Efficiency vs. Output Power
0 100 200 300 400
Pout, OUTPUT POWER (W)
20
30
40
50
60
70
80
Nd, DRAIN EFFICIENCY (%)
F= 30 MHz
Vdd= 50 V
Idq= 250 mA
Output Power vs. Input Power
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
Pin, INPUT POWER ( W )
0
100
200
300
400
Pout, OUTPUT POWER (W)
F= 30 MHz
Idq= 250 mA
Vdd = 50V
Vdd = 40V
Output Power vs. Input Power
Output Power vs. Supply Voltage
24 26 28 30 32 34 36 38 40 42 44 46 48 50
Vdd, SUPPLYVOLTAGE (V)
100
150
200
250
300
350
400
450
Pout, OUTPUT POWER (W)
Pin= 0.65 W
Pin= 1.3 W
Pin= 2.6 W
F= 30 MHz
Idq= 250 mA
Output Power vs. Gate Voltage
-3 -2 -1 0 1 2 3
Vgs, GATE-SOURCE VOLTAGE (V)
0
100
200
300
400
500
Pout, OUTPUT POWER (W)
F= 30 MHz
Vdd=50 V
Tc= -20°C
Tc= +25°C
Tc= +80°C
TYPICAL PERFORMANCE
Power Gain vs. Output Power
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SD2933
REF. 1008706A
30 MHZ TEST CIRCUIT SCHEMATIC
30 MHz TEST CIRCUIT COMPONENT PART LIST
SD2933
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30 MHZ TEST CIRCUIT PHOTOMASTER
30 MHZ PRODUCTION TEST FIXTURE
REF. 1008706A
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SD2933
M177 (.550 DIA. 4/L N/HERM W/FLG) MECHANICAL DATA
mm Inch
MIN. TYP. MAX MIN. TYP. MAX
A 5.72 5.97 0.225 0.235
B 6.73 6.96 0.265 0.275
C 21.84 22.10 0.860 0.870
D 28.70 28.96 1.130 1.140
E 13.84 14.10 0.545 0.555
F 0.08 0.18 0.003 0.007
G 2.49 2.74 0.098 0.108
H 3.81 4.32 0.150 0.170
I 7.11 0.280
J 27.43 28.45 1.080 1.120
K 15.88 16.13 0.625 0.635
1011012D
Controlling Dimension: Inches
DIM.
SD2933
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