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GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
UMIL 3
3 Watts, 28 Volts, Class AB
Defcom 225 - 400 MHz
GENERAL DESCRIPTION
The UMIL3 is a COMMON EMITTER broadband transistor specifically
intended for use in the 225-400 MHz frequency band. It may be operated in
Class AB or C. Gold metallization and silicon diffused resistors ensure
ruggedness and high reliability.
CASE OUTLINE
55FT, Style 2
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25 C 11 Watts
o
Maximum Voltage and Current
BVces Collector to Emiter Voltage 55 Volts
BVebo Emitter to Base Voltage 4.0 Volts
Ic Collector Current 0.7 A
Maximum Temp eratu res
Storage Temperature - 65 to +150 C
o
Operating Junction Temperature +150 C
o
ELECTRICAL CHARACTERISTICS @ 25 C
O
SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP MAX UNITS
Pout
Pin
Pg
ηc
VSWR
Power Output
Power Input
Power Gain
Efficiency
Load Mismatch Tolerance
F = 400 MHz
Vcc = 28 Volts
3
11.8 13
60
0.2
30:1
Watts
Watts
dB
%
BVebo
BVces
BVceo
Cob
hFE
θjc
Emitter to Base Breakdown
Collector to Emitter Breakdo wn
Collector to Emitter Breakdo wn
Output Capacitance
DC - Current Gain
Thermal Resistance
Ie = 5 mA
Ic = 20 mA
Ie = 50 mA
Vcb = 28 V, F = 1 MHz
Vce = 5 V, Ic = 100 A
4.0
55
30
10 4.5
45 150
16
Volts
Volts
Volts
pF
C/W
o
Issue August 1996
UMIL3
August 1996
