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 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855
MS1280
RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS
Features
* * * * * * 170-230 MHz 28 VOLTS IMD = -53 dBc POUT = 20 WATTS GP = 7.5 dB MINIMUM COMMON EMITTER CONFIGURATION
DESCRIPTION:
The MS1280 is a gold metallized epitaxial silicon NPN transistor designed for high linearity class AB operation. Internal impedance matching and an emitter ballasted die geometry make this devise ideally suited for VHF and Band lll television transmitter and transposers.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25 C)
Symbol
VCBO VCEO VEBO IC PDISS TJ T STG
Parameter
Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature
Value
60 30 4.0 16 150 +200 -65 to +150
Unit
V V V A W C C
Thermal Data Thermal
RTH(J-C) Thermal Resistance Junction-case 1.2 C/W
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.
MS1280
STATIC
ELECTRICAL SPECIFICATIONS (Tcase = 25 C) 25
Symbol
BVCBO BVCER BVCEO BVEBO HFE IC = 100mA IC = 100mA IC = 100mA IE = 20mA VCE = 5V
Test Conditions
IE = 0mA RBE = 10 IB = 0mA IC = 0mA IC = 1A
Value Min.
60 60 30 4.0 10
Typ.
-----------
Max.
--------120
Unit
V V V V ---
DYNAMIC
Symbol
POUT GP IMD COB f = 225 MHz f = 225 MHz f = 225 MHz f =1 MHz
Test Conditions
VCE = 28W VCE = 28W VCE = 28W VCB = 30V IC = 3.5 mA IC = 3.5 mA IC = 3.5 mA
Value Min.
20 7.5 -----
Typ.
-----53 ---
Max.
--8.0 --150
Unit
W dB dB pf
IMPEDANCE DATA
FREQ 170 MHz 200 MHz 230 MHz POUT = 20W VCE = 28V ZIN() ) 0.6 + j0.7 0.55 + j0.8 0.5 + j0.9 ZCL() ) 5.9 + j3.5 5.0 + j3.0 4.2 + j2.8
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.
MS1280
PACKAGE MECHANICAL DATA PACKAGE
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.


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