BD637

isc Silicon NPN Power Transistor BD637 DESCRIPTION ·DC Current Gain - : hFE = 40(Min.)@ IC= 25mA ·Collector-Emitter Breakdown Voltage- : V(BR)CEO= 80V(Min.) ·Complement to Type BD638 ·Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS ·Designed for amplifier and switching applications. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage 100 V VCEO Collector-Emitter Voltage 80 V VEBO Emitter-Base Voltage 5 V IC Collector Current-Continuous 2 A ICM Collector Current-Peak 5 A IB Base Current-Continuous Collector Power Dissipation @ Ta=25℃ PC Collector Power Dissipation @ TC=25℃ TJ Junction Temperature 0.3 A 2 W 30 150 ℃ Tstg Storage Temperature Range -55~150 ℃ isc website：www.iscsemi.com 1 isc & iscsemi is registered trademark isc Silicon NPN Power Transistor ELECTRICAL CHARACTERISTICS TC=25℃ unless otherwise specified SYMBOL PARAMETER CONDITIONS V(BR)CEO Collector-Emitter Breakdown Voltage IC= 30mA; IB= 0 V(BR)CBO Collector-Base Breakdown Voltage IC= 0.1mA; IE= 0 V(BR)EBO Emitter-Base Breakdown Voltage IE= 1mA; IC= 0 VCE(sat) Collector-Emitter Saturation Voltage IC= 1A; IB= 0.1A VBE(on) Base-Emitter On Voltage IC= 1A; VCE= 2V ICES Collector Cutoff Current VCE= 100V; VBE= 0 hFE-1 DC Current Gain IC= 25mA; VCE= 2V hFE-2 DC Current Gain IC= 1A; VCE= 2V BD637 MIN MAX UNIT 80 V 100 V 5 V 0.6 V 1.3 V 0.2 mA 40 25 NOTICE： I...