UMIL25 View Datasheet(PDF) - GHz Technology
Part Name
Description
MFG CO.
'UMIL25' PDF : 3 Pages View PDF
UMIL 25
25 Watts, 28 Volts, Class AB
Defcom 225 - 400 MHz
GENERAL DESCRIPTION
The UMIL 25 is an input matched 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.
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25oC
70 Watts
Maximum Voltage and Current
BVces Collector to Emitter Voltage
BVebo Emitter to Base Voltage
Ic
Collector Current
60 Volts
4.0 Volts
3A
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
- 65 to +150oC
+200oC
CASE OUTLINE
55HV, Style 2
ELECTRICAL CHARACTERISTICS @ 25 OC
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
25
Watts
3.2 Watts
8.9
10
dB
50
%
5:1
BVebo Emitter to Base Breakdown
Ie = 5 mA
4.0
Volts
BVces Collector to Emitter Breakdown Ic = 50 mA
65
Volts
BVceo Collector to Emitter Breakdown Ie = 50 mA
33
Volts
Cob
Output Capacitance
Vcb = 28 V, F = 1 MHz
22
27
pF
hFE
DC - Current Gain
θjc
Thermal Resistance
Vce = 5 V, Ic = 500 A
10
2.5 oC/W
Issue August 1996
GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOMMENDS THAT
BEFORE THE PRODUCT(S) DESCRIBED HEREIN ARE WRITTEN INTO SPECIFICATIONS, OR USED IN CRITICAL APPLICATIONS,
THAT THE PERFORMANCE CHARACTERISTICS BE VERIFIED BY CONTACTING THE FACTORY.
GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
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