MS1253
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.
RF & MICROWAVE TRANSISTORS
HF/VHF APPLICATIONS
DESCRIPTIONDESCRIPTION:
The MS1253 is a 12.5 V Class C epitaxial silicon NPN
transistor designed primarily for land mobile transmitter
applications. This device utilizes emitter ballasting, is
extremely stable and capable of withstanding high VSWR
under operating conditions.
ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS (Tcase = 25°°C)
Symbol
Parameter
Value
Unit
VCBO Collector-Base Voltage 45 V
VCEO Collector-Emitter Voltage 18 V
VEBO Emitter-Base Voltage 3.5 V
PDISS
Power Dissipation
183
W
IC Device Current 12.0 A
TJ Junction Temperature 200 °°C
TSTG Storage Temperature -65 to +150 °°C
Thermal DataThermal Data
RTH(J-C)
Thermal Resistance Junction-case
1.05 °°C/W
FeaturesFeatures
• 50 MHz
• 12.5 VOLTS
• POUT = 70 WATTS
• Gp = 10 dB MINIMUM
• COMMON EMITTER CONFIGURATION
MS1253
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.
ELECTRICAL SPECIFICATIONS (Tcase = 25 ELECTRICAL SPECIFICATIONS (Tcase = 25°°C)C)
STATICSTATIC Value
Symbol Test Conditions Min. Typ. Max. Unit
BVcbo IC = 50 mA IE = 0 mA 45 --- --- V
BVces IC = 100 mA VBE = 0 V 40 --- --- V
BVebo IE = 10 mA IE = 0 mA 3.5 --- --- V
BVceo IE = 50 mA IB = 0 mA 18 --- --- V
Ices VCE = 15 V IE = 0 mA --- --- 10 mA
HFE VCE = 5 V IC = 5 A 10 --- 200 ---
DYNAMICDYNAMIC Value
Symbol Test Conditions Min. Typ. Max. Unit
POUT f = 50 MHz PIN = 7W VCE = 12.5V 70 --- --- W
GPE f = 50 MHz PIN = 7W VCE = 12.5V 10 --- --- dB
ηηC f = 50 MHz PIN = 7W VCE = 12.5V 45 --- --- %
COB f = 1 MHz VCB = 12.5 V --- --- 300 pf
IMPENDANCE DATA IMPENDANCE DATA
FREQ ZIN(Ω)Ω) ZCL(Ω)Ω)
50 MHz 0.8 + j0.9 1.2 + j0.6
POUT = 70W
VCE = 12.5V
MS1253
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.
MS1253
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.
PACKAGE MECHANICAL DATAPACKAGE MECHANICAL DATA
