
F1005
   Silicon VDMOS and LDMOS 
transistors designed specifically 
for broadband RF applications. 
Suitable for Military Radios, 
PATENTED GOLD METALIZED 
SILICON GATE ENHANCEMENT MODE 
RF POWER
VDMOSTRANSISTOR 
Cellular and Paging Amplifier Base 
Stations, Broadcast FM/AM, MRI, 
80Watts Single Ended
Laser Driver and others. 
    "Polyfet"   process features 
TM
Package Style AM
gold metal for greatly extended 
lifetime. Low output capacitance 
and high F enhance broadband 
t
HIGH EFFICIENCY, LINEAR, 
HIGH GAIN, LOW NOISE
performance
ABSOLUTE MAXIMUM RATINGS (TC = 25 C)
Total 
Device
Dissipation Resistance Temperature Voltage Voltage Voltage
150Watts 1.2
Junction to 
Case Thermal
o
C/W
Maximum 
Junction
o
C
200 -65 to 150
Storage 
Temperature
o
C
DC Drain 
Current
o
C
8 A
o
Drain to 
Gate
Drain to 
Source
VV70 70
Gate to 
Source
RF CHARACTERISTICS (     WATTS OUTPUT )
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
Gps
Common Source Power Gai
13
dB
Idq = 
0.8
A,
28.0Vds = V,
F = 175MHz
30V
VSWR
Drain Efficiency 
Load Mismatch Toleranc
60
20:1
%
Relative
Idq = 
Idq = 
0.8
0.8
A, 
A,
ELECTRICAL CHARACTERISTICS (EACH SIDE)
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
Bvdss
Idss 
Igss 
Vgs 
gM 
Rdson 
Idsat
Ciss 
Crss 
Coss
Drain Breakdown Voltag 
Zero Bias Drain Curren 
Gate Leakage Curren 
Gate Bias for Drain Curren 
Forward Transconductanc 
Saturation Resistanc 
Saturation Curren 
Common Source Input Capacitanc 
Common Source Feedback Capacitanc
Common Source Output Capacitanc
65
4 
1 
71
3.2
0.35 
22
132
16 
80
V
mA
uA
V
Mho
Ohm
Amp
pF 
pF 
pF
POLYFET RF DEVICES
0.2Ids =  A, 
Vds = V, Vgs = 0V 
Vds = 0 V, Vgs = 30V
0.4Ids = A, Vgs = Vds 
Vds = 10V, Vgs = 5V 
Vgs = 20V, Ids =16 
Vgs = 20V, Vds = 10V
28.0Vds =
28.0Vds =
28.0Vds =
REVISION
28.0Vds = V,
28.0Vds = V,
Vgs = 0V
A
F = 175MHz 
F = 175MHz
F = 1 MHz 
F = 1 MHz 
F = 1 MHz
1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com

F1005
POUT VS PIN GRAPH
F-1005 F=175MHZ; IDQ=0.8A; VDS=28.0V
120
GAIN
100
80
60
40
POUT
20
0
0 2 4 6 8 10 12
PIN IN WATTS
IV CURVE ID AND GM VS VGS
F1B 4DIE IV CURVE
30
25
20
15
10
5
0
0 2 4 6 8 10 12 14 16 18 20
Vg = 2V Vg = 4V Vg = 6V Vg = 8V Vg = 10V Vg = 12V
Vds in Volts
CAPACITANCE VS VOLTAGE
F1B 4DIE CAPACITANCE
16
15
14
13
12
11
10
9
8
1000
100
Coss
Crss
10
0 5 10 15 20 25 30
100
10
1
0.1 
0 2 4 6 8 10 12 14
Ciss
VDS IN VOLTS
F1B 4 DIE GM & ID vs VGS
Id
Gm
Vgs in Volts
S11 AND S22 SMITH CHART PACKAGE DIMENSIONS IN INCHES
POLYFET RF DEVICES
1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com
REVISION