F1419 Datasheet, PDF (1/2 Pages) Polyfet RF Devices – PATENTED GOLD METALIZED SILICON GATE ENHANCEMENT MODE RF POWER VDMOS TRANSISTOR

polyfet rf devices
F1419
General Description
Silicon VDMOS and LDMOS
PATENTED GOLD METALIZED
transistors designed specifically
SILICON GATE ENHANCEMENT MODE
for broadband RF applications.
Suitable for Military Radios,
RF POWER VDMOS TRANSISTOR
Cellular and Paging Amplifier Base
Stations, Broadcast FM/AM, MRI,
40 Watts Push - Pull
Laser Driver and others.
"Polyfet"^TM process features
Package Style AQ
gold metal for greatly extended
lifetime. Low output capacitance
HIGH EFFICIENCY, LINEAR,
and high Ft enhance broadband
HIGH GAIN, LOW NOISE
performance
o
ABSOLUTE MAXIMUM RATINGS (TC = 25 C)
Total
Device
Dissipation
Junction to
Case Thermal
Resistance
Maximum
Junction
Temperature
Storage
Temperature
DC Drain
Current
Drain to
Gate
Voltage
Drain to
Source
Voltage
Gate to
Source
Voltage
100 Watts
1.5 ^oC/W
200 ^oC
-65 ^oC to 150^oC
4A
150 V
150 V
30V
RF CHARACTERISTICS ( 40 WATTS OUTPUT )
SYMBOL PARAMETER
MIN
TYP MAX UNITS TEST CONDITIONS
Gps
Common Source Power Gain
10
dB Idq = 0.8 A, Vds = 50.0 V, F = 400 MHz
η
VSWR
Drain Efficiency
Load Mismatch Tolerance
65
% Idq = 0.8 A, Vds = 50.0 V, F = 400 MHz
20:1 Relative Idq = 0.8 A, Vds = 50.0 V, F = 400 MHz
ELECTRICAL CHARACTERISTICS (EACH SIDE)
SYMBOL PARAMETER
MIN
TYP MAX UNITS TEST CONDITIONS
Bvdss Drain Breakdown Voltage
125
V
Ids = 0.1 A, Vgs = 0V
Idss
Zero Bias Drain Current
4
mA
Vds = 50.0 V, Vgs = 0V
Igss
Gate Leakage Current
1
uA
Vds = 0 V, Vgs = 30V
Vgs
Gate Bias for Drain Current
1
7
V
Ids = 0.2 A, Vgs = Vds
gM
Forward Transconductance
1.6
Mho
Vds = 10V, Vgs = 5V
Rdson Saturation Resistance
0.7
Ohm
Vgs = 20V, Ids = 4 A
Idsat
Saturation Current
9.6
Amp
Vgs = 20V, Vds = 10V
Ciss
Common Source Input Capacitance
90
pF
Vds = 50.0 V, Vgs = 0V, F = 1 MHz
Crss
Common Source Feedback Capacitance
4.4
pF
Vds = 50.0 V, Vgs = 0V, F = 1 MHz
Coss
Common Source Output Capacitance
40
pF
Vds = 50.0 V, Vgs = 0V, F = 1 MHz
POLYFET RF DEVICES
REVISION 8/1/97
1110 Avenida Acaso, Camarillo, CA 93012 TEL:[phone] FAX:[phone] EMAIL:[e-mail] URL:www.polyfet.com