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File name:bul87.pdf
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Model:bul87 🔎
Original:bul87 🔎
Descr: . Electronic Components Datasheets Active components Transistors ST bul87.pdf
Group:Electronics > Components > Transistors
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BUL87 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s SGS-THOMSON PREFERRED SALESTYPE s NPN TRANSISTOR s HIGH VOLTAGE CAPABILITY s LOW SPREAD OF DYNAMIC PARAMETERS s LOW BASE-DRIVE REQUIREMENTS s VERY HIGH SWITCHING SPEED s FULLY CHARACTERISED AT 125oC APPLICATIONS: 3 s ELECTRONIC TRANSFORMER FOR 2 1 HALOGEN LAMPS s SWITCH MODE POWER SUPPLIES TO-220 DESCRIPTION The BUL87 is manufactured using high voltage Multiepitaxial Mesa technology for cost-effective high performance. It uses a Hollow Emitter structure to enhance switching speeds. The BUL series is designed for use in lighting INTERNAL SCHEMATIC DIAGRAM applications and low cost switch-mode power supplies. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCES Collector-Emitter Voltage (VBE = 0) 700 V VCEO Collector-Emitter Voltage (IB = 0) 400 V VEBO Emitter-Base Voltage (I C = 0) 9 V IC Collector Current 12 A ICM Collector Peak Current (t p < 5 ms) 24 A IB Base Current 4 A I BM Base Peak Current (t p < 5 ms) 8 A Pt ot Tot al Dissipation at T c = 25 o C 110 W o T stg Storage Temperature -65 to 150 C o Tj Max. Ope rating Junction Temperature 150 C September 1997 1/6 BUL87 THERMAL DATA o R thj-ca se Thermal Resistance Junction-Case Max 1.14 C/W o Rt hj-amb Thermal Resistance Junction-Ambient Max 62.5 C/W o ELECTRICAL CHARACTERISTICS (Tcase = 25 C unless otherwise specified) Symbol Parameter

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