GHz Technology UMIL25 Datasheet

UMIL 25

25 Watts, 28 Volts, Class AB

Defcom 225 - 400

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 @ 25 C 70 Watts

Maximum Voltage and Current

BVces Collector to Emitter Voltage 60 Volts
BVebo Emitter to Base Voltage 4.0 Volts
Ic Collector Current 3 A

Ma ximum Temperatures

Storage Temperature - 65 to +150 C
Operating Junction Temperature +200 C

ELECTRICAL CHARACTERISTICS @ 25 C

o

o
o

O

MHz

CASE OUTLINE

55HV, Style 2

SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP MAX UNITS
Pout

Pin
Pg

η

c

VSWR

BVebo
BVces
BVceo
Cob
h

FE

θ

jc

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.

Power Output
Power Input
Power Gain
Efficiency
Load Mismatch Tolerance

Emitter to Base Breakdown
Collector to Emitter Breakdown
Collector to Emitter Breakdown
Output Capacitance
DC - Current Gain
Thermal Resistance

F = 400 MHz
Vcc = 28 Volts

Ie = 5 mA
Ic = 50 mA
Ie = 50 mA
Vcb = 28 V, F = 1 MHz
Vce = 5 V, Ic = 500 A

25

8.9 10
50

4.0
65
33

22 27

10

3.2

5:1

2.5

Watts
Watts

dB

%

Volts
Volts
Volts

pF

o

C/W

GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120

UMIL25

August 1996