TetraFET
D2008UK.04
METAL GATE RF SILICON FET
MECHANICAL DATA
8.89 (0.35)
9.40 (0.37)
7.75 (0.305)
8.51 (0.335)
4.19 (0.165)
4.95 (0.195)
12.70
(0.500)
min.
0.89 max.
(0.035)
7.75 (0.305)
8.51 (0.335)
dia.
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
5W – 28V – 400MHz
SINGLE ENDED
FEATURES
5.08 (0.200)
typ.
• SIMPLIFIED AMPLIFIER DESIGN
• SUITABLE FOR BROAD BAND
APPLICATIONS
2.54
(0.100)
2
1
0.66 (0.026)
1.14 (0.045)
0.71 (0.028)
0.86 (0.034)
3
• LOW C
rss
• SIMPLE BIAS CIRCUITS
• LOW NOISE
• HIGH GAIN – 13 dB MINIMUM
45˚
TO-39 PACKAGE
PIN1 – DRAIN
PIN2 – GATE
PIN3 – SOURCE
APPLICATIONS
•
VHF COMMUNICATIONS
from DC to 400MHz
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
P
D
BV
DSS
BV
GSS
I
D(sat)
T
stg
T
j
Power Dissipation
Drain – Source Breakdown Voltage
Gate – Source Breakdown Voltage
Drain Current
Storage Temperature
Maximum Operating Junction Temperature
29W
65V
±20V
2A
–65 to 150°C
200°C
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Website:
http://www.semelab.co.uk
E-mail:
sales@semelab.co.uk
Prelim. 9/99
D2008UK.04
ELECTRICAL CHARACTERISTICS
(T
case
= 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
BV
DSS
I
DSS
I
GSS
g
fs
G
PS
Drain–Source
Breakdown Voltage
Zero Gate Voltage
Drain Current
Gate Leakage Current
Forward Transconductance*
Common Source Power Gain
Drain Efficiency
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
V
GS
= 0
V
DS
= 28V
V
GS
= 20V
I
D
= 10mA
V
DS
= 10V
P
O
= 5W
V
DS
= 28V
f = 400MHz
V
DS
= 0
V
DS
= 28V
V
DS
= 28V
V
GS
= –5V f = 1MHz
V
GS
= 0
V
GS
= 0
f = 1MHz
f = 1MHz
I
DQ
= 0.2A
I
D
= 10mA
V
GS
= 0
V
DS
= 0
V
DS
= V
GS
I
D
= 0.4A
1
0.36
13
40
20:1
65
Typ.
Max. Unit
V
2
1
7
mA
m
A
V
S
dB
%
—
V
GS(th)
Gate Threshold Voltage*
h
VSWR Load Mismatch Tolerance
C
iss
C
oss
C
rss
20
11
1
pF
pF
pF
* Pulse Test:
Pulse Duration = 300
m
s , Duty Cycle
£
2%
THERMAL DATA
R
THj–case
Thermal Resistance Junction – Case
Max. 6.0°C / W
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Website:
http://www.semelab.co.uk
E-mail:
sales@semelab.co.uk
Prelim. 9/99