SD1224
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.
DESCRIPTION:
The SD1224 is an epitaxial silicon NPN planar transistor designed
primarily for 28 V FM Class C RF amplifiers utilized in ground station
transmitters. This device utilizes ballasted emitter resistors and
improved metallization systems to achieve optimum load mismatch
capability.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symbol Parameter Value Unit
VCBO Collector-Base Voltage 65 V
VCEO Collector-Emitter Voltage 35 V
VEBO Emitter-Base Voltage 4.0 V
IC Device Current 5.0 A
PDISS Power Dissipation 60 W
TJ Junction Temperature +200 °°C
TSTG Storage Temperature -65 to +150 °°C
THERMAL DATA
RTH(j-c) Junction-Case Thermal Resistance 2.9 °°C/W
FeaturesFeatures
175 MHz
28 VOLTS
CLASS C
COMMON EMITTER
EFFICIENCY 60% MIN.
POUT = 40 W MIN.
GP = 7.6 dB GAIN
RF AND MICROWAVE TRANSISTORS
VHF FM APPLICATIONS
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
SD1224
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 = 25ELECTRICAL SPECIFICATIONS (Tcase = 25°°C)C)
STATIC Value
Symbol Test Conditions Min. Typ. Max. Units
BVCBO IC = 10 mA IB = 0 mA 65 V
BVCES IC = 200 mA VBE = 0 V 65 V
BVCEO IC = 200 mA IB = 0 mA 35 V
BVEBO IE = 10 mA IC = 0 mA 4.0 V
ICES VCE = 30 V IE = 0 mA 10 mA
ICBO VCB = 30 V IE = 0 mA 1 mA
hFE VCE = 5 V IC = 500 mA 5 200
DYNAMIC Value
Symbol Test Conditions Min. Typ. Max. Units
POUT f = 175 MHz PIN = 7.0 W VCE = 28 V 40 W
GP f = 175 MHz PIN = 7.0 W VCE = 28 V 7.6 dB
ηηC f = 175 MHz PIN = 7.0 W VCE = 28 V 60 %
COB f = 1 MHz VCB = 30 V 65 pF
IMPEDANCE DATAIMPEDANCE DATA
PIN (W) POUT (W) ZIN () ZCL ()
2.0 28.5 0.85 + j 1.20 3.25 + j 7.05
4.0 43.0 1.02 + j 1.32 4.45 + j 5.40
6.0 53.0 1.01 + j 1.42 5.25 + j 4.42
8.0 60.5 1.05 + j 1.35 5.45 + j 4.12
Test Conditions: VCE = 28 V
f = 175 MHz
SD1224
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