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TIP120/121/122TIP125/126/127COMPLEMENTARY SILICON POWER DARLINGTON TRANSISTORS SGS-THOMSON PREFERRED SALESTYPESDESCRIPTION The TIP120, TIP121 and TIP122 are siliconepitaxial-base NPN power transistors inmonolithic Darlington configuration Jedec TO-220plastic package, intented for use in power linearand switching applications.The complementary PNP types are TIP125,32TIP126 and TIP127.1TO-220INTERNAL SCHEMATIC DIAGRAMR Typ. = 5 K R Typ. = 150 1 2ABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitNPN TIP120 TIP121 TIP122PNP TIP125 TIP126 TIP127VCBO Collector-Base Voltage (IE = 0) 60 80 100 VVCEO Collector-Emitter Voltage (IB = 0) 60 80 100 VVEBO Emitter-Base Voltage (IC = 0) 5 VIC Collector Current 5 AI Collector Peak Current 8 ACMIB Base Current 0.1 APtot Total Dissipation at Tcase 25 oC 65 W Tamb 25 oC 2 Wo