UF281OP
UF281OP is RF MOSFET Power Transistor manufactured by Tyco Electronics.
Features l l l l l l
Transistor,
IOW, 28V
UF281 OP
N-Channel Enhancement DMOS Structure Lower Capacitances Lower Noise Floor
Mode Device Operation for Broadband mon Source Configuration 100 MHz to 500 MHz Operation
Absolute Maximum Ratings at 25°C
1 1
1% 3.61
1 246 1 4.37 1
077 J42 1
.097 .I72
Electrical Characteristics at 25°C
Output Capacitance Reverse Capacitance Power Gain Drain Efficiency Load Mismatch Tolerance
- Per Side
C oss 0, GP 10
5 2.4 203
PF p F d B %
- V,,=28.0
V, I==1 .O MHz’
VDs=28.0 V, F=l .O MHz’ V,,=28.0 V,,=28.0 V,,=28.0 V, I,,,=1 00.0 m A, PO,,,=1 0.0 W, F=500 MHz V, I,,=1 00.0 m A, P,& V, IDo= 00.0 m A, Poe1 0.0 W, F=500 MHz 0.0 W, F=500 MHz
9D
VSWR-T
- pecifications Subject to Change Without Notice.
RF MOSFET Power Transistor, i OW, 28V
UF281 OP v2.00
Typical Device impedance
Frequency (MHz)
&., (OHMS) 30.0
- i 150.0 15.0
- j 90.0 4.2
- j 46.0 V,,=28 V, l,=j OO m A, P,,?l O.O Watts z LOAD (OHMS) 70.0 + i 110.0 55.0 + j 80.0 48.0 + j 50.0
300 500
Z,, is the series equwalent input impedance of the device from gate to gate. Z LOAD is tbe optimum series equivalent load impedance as measured from drain to drain.
RF Test Fixture
P Cl0 c5 cl ii36 7, a 9 cu. 12 13, 1% 17 us Cl6 z L3 Tt...