|
Seme LAB |
TetraFET
D2021UK
METAL GATE RF SILICON FET
MECHANICAL DATA
A
8
D7
6
5
1
2
CB
3
4
N
H
K
L
J
M
E
FG
SO8 PACKAGE
PIN 1 – SOURCE
PIN 2 – DRAIN
PIN 3 – DRAIN
PIN 4 – SOURCE
PIN 5 – SOURCE
PIN 6 – GATE
PIN 7 – GATE
PIN 8 – SOURCE
Dim.
A
B
C
D
E
F
G
H
J
K
L
M
N
P
mm
4.06
5.08
1.27
0.51
3.56
4.06
1.65
0.76
0.51
1.02
45°
0°
7°
0.20
2.18
4.57
Tol.
±0.08
±0.08
±0.08
±0.08
±0.08
±0.08
±0.08
+0.25
-0.00
Min.
Max.
Max.
Min.
Max.
±0.08
Max.
±0.08
Inches
0.160
0.200
0.050
0.020
0.140
0.160
0.065
0.030
0.020
0.040
45°
0°
7°
0.008
0.086
0.180
Tol.
±0.003
±0.003
±0.003
±0.003
±0.003
±0.003
±0.003
+0.010
-0.000
Min.
Max.
Max.
Min.
Max.
±0.003
Max.
±0.003
GOLD METALLISED
MULTI-PURPOSE SILICON
P DMOS RF FET
7.5W – 28V – 1GHz
SINGLE ENDED
FEATURES
• SIMPLIFIED AMPLIFIER DESIGN
• SUITABLE FOR BROAD BAND APPLICATIONS
• VERY LOW Crss
• SIMPLE BIAS CIRCUITS
• LOW NOISE
• HIGH GAIN – 10 dB MINIMUM
APPLICATIONS
• HF/VHF/UHF COMMUNICATIONS
from 1 MHz to 1 GHz
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
PD Power Dissipation
17.5W
BVDSS
Drain – Source Breakdown Voltage
65V
BVGSS
Gate – Source Breakdown Voltage
±20V
ID(sat)
Drain Current
3A
Tstg Storage Temperature
–65 to 150°C
Tj Maximum Operating Junction Temperature
200°C
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
Prelim. 2/99
D2021UK
ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
Drain–Source
BVDSS Breakdown Voltage
VGS = 0
ID = 10mA
65
IDSS
Zero Gate Voltage
Drain Current
VDS = 28V
VGS = 0
IGSS Gate Leakage Current
VGS(th) Gate Threshold Voltage*
gfs Forward Transconductance*
GPS Common Source Power Gain
η Drain Efficiency
VSWR Load Mismatch Tolerance
VGS = 20V
ID = 10mA
VDS = 10V
PO = 7.5W
VDS = 28V
f = 1GHz
VDS = 0
VDS = VGS
ID = 0.6A
IDQ =0.3A
0.5
0.54
13
40
20:1
Ciss
Coss
Crss
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
VDS = 0V
VDS = 28V
VDS = 28V
VGS = –5V f = 1MHz
VGS = 0 f = 1MHz
VGS = 0 f = 1MHz
* Pulse Test: Pulse Duration = 300 µs , Duty Cycle ≤ 2%
Typ.
Max. Unit
V
3 mA
1 µA
7V
S
dB
%
—
36 pF
18 pF
1.5 pF
THERMAL DATA
RTHj–case
Thermal Resistance Junction – Case
Max. 5°C / W
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
Prelim. 2/99
|