Product Specification www.jmnic.com BD743/A/B/C Silicon NPN Power Transistors ・ DESCRIPTION ・With TO-220C package ・Complement to type BD744/A/B/C ・High current capability ・High power dissipation APPLICATIONS ・For use in power linear and switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector;connected to mounting base 3 Emitter Absolute maximum ratings (Ta=25℃) SYMBOL PARAMETER CONDITIONS BD743 Collector-base voltage 70 Open emitter VEBO 90 BD743C 110 BD743 45 Collector-emitter voltage Emitter-base voltage V BD743B BD743A VCEO UNIT 50 BD743A VCBO VALUE 60 Open base V BD743B 80 BD743C 100 Open collector 5 V IC Collector current 15 A ICM Collector current-peak 20 A IB Base current 5 A PC Collector power dissipation TC=25℃ 90 Ta=25℃ 2 W Tj Junction temperature 150 ℃ Tstg Storage temperature -65~150 ℃ JMnic Product Specification www.jmnic.com BD743/A/B/C Silicon NPN Power Transistors CHARACTERISTICS Tj=25℃ unless otherwise specified SYMBOL PARAMETER CONDITIONS BD743 V(BR)CEO Collector-emitter breakdown voltage MIN TYP. MAX UNIT 45 BD743A 60 IC=30mA; IB=0 V BD743B 80 BD743C 100 VCEsat-1 Collector-emitter saturation voltage IC=5 A;IB=0.5 A 1.0 V VCEsat-2 Collector-emitter saturation voltage IC=15 A;IB=5 A 3.0 V VBE -1 Base-emitter on voltage IC=5A ; VCE=4V 1.0 V VBE -2 Base-emitter on voltage IC=15A ; VCE=4V 3.0 V ICEO Collector cut-off current 0.1 mA VCE=50V; VBE=0 TC=125℃ VCE=70V; VBE=0 TC=125℃ VCE=90V; VBE=0 TC=125℃ VCE=110V; VBE=0 TC=125℃ 0.1 5.0 0.1 5.0 0.1 5.0 0.1 5.0 mA 0.5 mA BD743/A VCE=30V; IB=0 BD743B/C VCE=60V; IB=0 BD743 BD743A ICBO Collector cut-off current BD743B BD743C IEBO Emitter cut-off current VEB=5V; IC=0 hFE-1 DC current gain IC=1A ; VCE=4V 40 hFE-2 DC current gain IC=5A ; VCE=4V 20 hFE-3 DC current gain IC=15A ; VCE=4V 5 150 Switching times resistive load td Delay time tr Rise time ts Storage time tf Fall time IC=5 A;IB1=-IB2=0.5 A VBE(off)=-4.2V; RL=6Ω tp=20μs 0.02 μs 0.35 μs 0.5 μs 0.4 μs THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETER Thermal resistance junction to case JMnic MAX UNIT 1.40 ℃/W Product Specification www.jmnic.com BD743/A/B/C Silicon NPN Power Transistors PACKAGE OUTLINE Fig.2 Outline dimensions (unindicated tolerance:±0.10 mm) JMnic