Seme D2081UK Datasheet
MECHANICAL DATA
Dimensions in mm.
TetraFET
D2081UK
METAL GATE RF SILICON FET
GOLD METALLISED
0.32
0.24
0.10
0.02
16˚
max
.
1.70
max
.
10˚
max
.
6.7
6.3
3.1
2.9
4
123
13˚
3.7
3.3
7.3
6.7
MULTI-PURPOSE SILICON
DMOS RF FET
750mW – 12V – 1GHz
SINGLE ENDED
FEATURES
• SIMPLIFIED AMPLIFIER DESIGN
• SUITABLE FOR BROAD BAND APPLICATIONS
•LOW C
• SIMPLE BIAS CIRCUITS
• LOW NOISE (Typical < 2dB NF)
• HIGH GAIN – 11dB MINIMUM
rss
1.05
0.85
PIN 1 GATE PIN 2 DRAIN
PIN 3 SOURCE PIN 4 DRAIN
2.30
4.60
SOT–223
0.80
0.60
ABSOLUTE MAXIMUM RATINGS (T
P
D
BV
BV
I
D(sat)
T
stg
T
j
DSS
GSS
Power Dissipation
Drain – Source Breakdown Voltage
Gate – Source Breakdown Voltage
Drain Current
Storage Temperature
Maximum Operating Junction Temperature
• SURFACE MOUNT
APPLICATIONS
• VHF/UHF COMMUNICATIONS
from DC to 2.5 GHz
= 25°C unless otherwise stated)
case
2W
65V
±20V
200mA
–65 to 125°C
150°C
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 5/96
D2081UK
ELECTRICAL CHARACTERISTICS (T
= 25°C unless otherwise stated)
case
Parameter Test Conditions Min. Typ. Max. Unit
BV
I
DSS
I
GSS
V
GS(th)
g
fs
G
PS
η Drain Efficiency
VSWR Load Mismatch Tolerance
C
iss
C
oss
C
rss
* Pulse Test: Pulse Duration = 300 µs , Duty Cycle ≤ 2%
Drain–Source
DSS
Breakdown Voltage
Zero Gate Voltage
Drain Current
Gate Leakage Current
Gate Threshold Voltage*
Forward Transconductance*
Common Source Power Gain
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
VGS= 0 |D= 10mA
VDS= 28V VGS= 0
VGS= 20V VDS= 0
ID= 10mA VDS= V
VDS= 10V ID= 0.2A
PO= 750mW
VDS= 12V IDQ= 75mA
f = 1GHz
VDS= 0V VGS= –5V f = 1MHz
VDS= 28V VGS= 0 f = 1MHz
VDS= 28V VGS= 0 f = 1MHz
THERMAL DATA
R
THj–case
Thermal Resistance Junction – Case Max. 70°C / W
GS
65
1
1
17
0.18
11
40
10:1
12
6
0.5
V
mA
µA
V
mhos
dB
%
—
pF
S Parameters at Vd= 12V, Id= 75mA
Freq S11 S12 S21 S22
MHz mag ang mag ang mag ang mag ang
300 0.47 -95 0.04 50 5.20 90 0.32 -90
400 0.46 -120 0.05 80 4.40 76 0.35 -91
500 0.47 -131 0.07 100 3.50 68 0.38 -94
600 0.49 -146 0.10 110 3.00 59 0.43 -98
700 0.51 -156 0.15 110 2.60 51 0.48 -103
800 0.53 -163 0.20 104 2.30 45 0.54 -108
900 0.54 -180 0.25 100 2.10 40 0.58 -112
1000 0.55 178 0.29 96 1.80 36 0.60 -116
1100 0.56 175 0.34 91 1.60 33 0.63 -120
1200 0.57 163 0.40 85 1.40 28 0.65 -126
1300 0.58 150 0.45 80 1.30 26 0.66 -129
1400 0.60 144 0.48 75 1.20 24 0.66 -133
1500 0.60 140 0.52 70 1.10 22 0.66 -135
1600 0.59 130 0.55 66 1.00 21 0.65 -138
1700 0.58 123 0.58 63 0.95 20 0.65 -140
1800 0.56 115 0.60 58 0.90 19 0.64 -142
1900 0.54 110 0.62 54 0.90 20 0.64 -144
2000 0.51 108 0.62 50 0.90 20 0.63 -145
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 5/96
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