. Electronic Components Datasheets bu508a free download

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BU208A/508A/508AFI HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s SGS-THOMSON PREFERRED SALESTYPES s HIGH VOLTAGE CAPABILITY s U.L. RECOGNISED ISOWATT218 PACKAGE (U.L. FILE # E81734 (N) s JEDEC TO-3 METAL CASE. TO-3 APPLICATIONS: 1 s HORIZONTAL DEFLECTION FOR COLOUR 2 TV DESCRIPTION The BU208A, BU508A and BU508AFI are manufactured using Multiepitaxial Mesa 3 3 technology for cost-effective high performance 2 2 and uses a Hollow Emitter structure to enhance TO-218 1 ISOWATT218 1 switching speeds. INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V CES Collector-Emitter Voltage (V BE = 0) 1500 V V CEO Collector-Emitter Voltage (I B = 0) 700 V V EBO Emitter-Base Voltage (I C = 0) 10 V IC Collector Current 8 A I CM Collector Peak Current (tp < 5 ms) 15 A TO - 3 T O - 218 ISOW ATT 218 o P t ot Total Dissipation at T c = 25 C 150 125 50 W o T stg St orage Temperature -65 to 150 -65 to 150 -65 to 150 C o Tj Max. Operating Junction Temperature 150 150 150 C June 1996 1/8 BU208A/508A/508AFI THERMAL DATA T O-3 TO-218 ISO WATT218 o R t hj-ca se Thermal Resistance Junction-case Max 1 1 2.5 C/W ELECTRICAL CHARACTERISTICS (Tcase