ST8812FX STMicroelectronics

ST8812FX High voltage fast-switching NPN Power transistor Features High voltage capability Very high switching speed Tight hfe control Large R.B.S.O.A. Fully insulated Package U.L. compliant for easy mounting 3 2 1 Applications ISOWATT218FX Switch mode power supplies for crt TV Description Internal schematic diagram The ST8812FX is manufactured using latest Multi Epitaxial Planar technology with high voltage capability. It shows wide R.B.S.O.A. and high switching speed thanks to its Cellular Emitter structure with planar edge termination and deep base diffusion. Order codes Part Number Marking Package Packing ST8812FX ST8812FX ISOWATT218FX TUBE March 2006 Rev 1 1/10 www.st.com 10 Obsolete Product(s) - Obsolete Product(s)Electrical ratings ST8812FX 1 Electrical ratings Table 1. Absolute maximum rating Symbol Parameter Value Unit V Collector-Base Voltage (I = 0) 1150 V CBO E V Collector-Emitter Voltage (I = 0) 600 V CEO B V Emitte-Base Voltage (I = 0) 15 V EBO C I Collector Current 7 A C I Collector Peak Current (t < 5ms) 12 A CM P I Base Current 4 A B P Total dissipation at T = 25C 50 W TOT c Insulation Withstand Voltage (RMS) from All Three Leads to V 2500 V isol External Heatsink T Storage Temperature -65 to 150 C STG T Max. Operating Junction Temperature 150 C J Table 2. Thermal data Symbol Parameter Value Unit R Thermal Resistance Junction-Case Max 2.5 C/W thJ-case 2/10 Obsolete Product(s) - Obsolete Product(s)