SD1444
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:DESCRIPTION:
The SD1444 is a 12.5V epitaxial silicon NPN planar transistor
designed primarily for UHF communications. This device is
packaged in a grounded emitter TO-39 package for increased
power gain and optimum heat dissipation.
ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS (Tcase = 25°°C)
Symbol
Parameter
Value
Unit
VCBO
Collector-Base Voltage 36.0 V
VCEO Collector-Emitter Voltage 16.0 V
VEBO Emitter – Base Voltage 4.0 V
IC Collector Current 0.40 A
Ptot Total Power Dissipation 5.0 W
TSTG Storage Temperature -65 + 200 °°C
TJ Junction Temperature +200 °°C
THERMAL THERMAL DATADATA
RTH(J-C)
Junction-case Thermal Resistance
35.0 °°C/W
1. Emitter
2. Base
3. Collector
TO-39
FeaturesFeatures
• 470 MHz
• 12.5 VOLTS
• POUT = 4.0 WATTS
• GP = 12.0 dB MINIMUM
• COMMON EMITTER
RF & MICROWAVE TRANSISTORS
450-512MHz CLASS C MOBILE APPLICATIONS
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
SD1444
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
BVCES IC = 50 mA VBE = 0 36 --- --- V
BVCEO IC = 50 mA IB = 0 16 --- --- V
BVEBO IE = 1 mA IC = 0 4.0 --- --- V
ICBO VCB = 15 V IE = 0 --- --- 1.0 mA
HFE VCE = 5 V IC = 50 mA 20 --- 200 ---
DYNAMICDYNAMIC
Value
Symbol Test Conditions
Min.
Typ.
Max.
Unit
POUT f = 470 MHz VCE = 12.5 V 2.0 --- --- W
GPE f = 470 MHz VCE = 12.5 V 8.0 --- --- dB
Cob VCE = 15.0 V f = 1 MHz IE = 0 --- --- 15.0 pf
IMPEDANCE DATAIMPEDANCE DATA
FREQ ZIN(Ω)Ω) ZCL(Ω)Ω)
470 MHz 2.9 + j 0.6 15.6 – j 10.2
POUT = 2W
VCC = 12.5V
SD1444
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.
TEST CIRCUITTEST CIRCUIT
SD1444
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
