SavantIC Semiconductor Product Specification BUX48 BUX48A Silicon NPN Power Transistors DESCRIPTION ·With TO-3 package ·High voltage capability ·High current capability ·Fast switching speed APPLICATIONS ·Switch mode power supplies ·Transistor low power converters PINNING (See Fig.2) PIN DESCRIPTION 1 Base 2 Emitter 3 Collector Fig.1 simplified outline (TO-3) and symbol Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER VCBO Collector-base voltage VCEO Collector-emitter voltage VEBO Emitter-base voltage CONDITIONS BUX48 Open emitter BUX48A BUX48 VALUE 850 UNIT V 1000 Open base BUX48A 400 V 450 Open collector 7 V IC Collector current 15 A ICM Collector current-peak 30 A IB Base current 4 A IBM Base current-peak 20 A PT Total power dissipation 175 W Tj Junction temperature 200 Tstg Storage temperature -65~200 TC=25 THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETER Thermal resistance from junction to case MAX 1.0 UNIT /W SavantIC Semiconductor Product Specification BUX48 BUX48A Silicon NPN Power Transistors CHARACTERISTICS Tj=25 unless otherwise specified SYMBOL VCEO(SUS) PARAMETER Collector-emitter sustaining voltage CONDITIONS BUX48 Collector-emitter saturation voltage BUX48 IC=10A; IB=2A VCEsat-1 VBEsat BUX48A IC=8A ;IB=1.6A BUX48 IC=15A ;IB=4A V 7 30 V 1.5 V 3.5 V BUX48A Collector-emitter saturation voltage for BUX48 Base-emitter saturation voltage UNIT 450 IE=50mA; IC=0 VCEsat-3 MAX IC=0.2A ; L=25mH BUX48A Emitter-base breakdown voltage Collector-emitter saturation voltage TYP. 400 V(BR)EBO VCEsat-2 MIN IC=12A ;IB=2.4A 5.0 IC=15A ;IB=3A 5.0 V 1.6 V BUX48 IC=10A ;IB=2A BUX48A IC=8A ;IB=1.6A ICER Collector cut-off current VCE=rated VCER; RBE=10? TC=125 0.5 4 mA ICES Collector cut-off current VCE=rated VCES; VBE=0 TC=125 0.2 2 mA IEBO Emitter cut-off current VEB=5V; IC=0 1 mA hFE DC current gain IC=1A ; VCE=5V 15 50 Switching times resistive load ton Turn-on time ts Storage time tf Fall time for BUX48 IC=10A ;IB1=- IB2=2A; VCC=150V for BUX48A IC=8A ;IB1=- IB2=1.6A; VCC=150V 2 1.0 µs 3.0 µs 0.8 µs SavantIC Semiconductor Product Specification Silicon NPN Power Transistors PACKAGE OUTLINE Fig.2 Outline dimensions 3 BUX48 BUX48A