UTC BU208A SILICON DIFFUSED POWER TRANSISTOR DESCRIPTION The UTC BU208A is a high voltage, high power, high speed switching NPN transistor in a mental envelope, primarily for use in power supply and horizontal deflection circuits of color television receivers. TO-3 1 3 1: Base; 2 2: Emitter; 3: Collector QUICK REFERENCE DATA PARAMETER SYMBOL TEST CONDITIONS Collector-emitter voltage peak value Collector-emitter voltage (open base) Collector current (DC) Collector current peak value Total power dissipation Collector-emitter saturation voltage Fall time VCESM VCEO IC ICM PD VCEsat tf VBE=0V MIN Tc=25°C Ic=4.5A; IB=2.0A Ic=4.5A, IB1=-1/2 IB2=1.8A, Vcc=100V MAX UNIT 1500 700 8 15 150 1.0 1.0 V V A A W V µs MAX UNIT 1500 700 8 15 2 4 150 +150 150 V V A A A A W °C °C LIMITING RATINGS PARAMETER SYMBOL TEST CONDITIONS Collector-emitter voltage peak value Collector-emitter voltage (open base) Collector current (DC) Collector current peak value Base current (DC) Base current peak value Total power dissipation Storage temperature Junction temperature VCESM VCEO IC ICM IB IBM PD Tstg Tj VBE=0V UTC MIN Tc=25°C -55 UNISONIC TECHNOLOGIES CO. LTD 1 QW-R205-005,A UTC BU208A SILICON DIFFUSED POWER TRANSISTOR ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS Collector-emitter cut-off current Collector-emitter cut-off current ICE ICES Collector-emitter saturation voltage Collector-emitter saturation voltage Base-emitter saturation voltage DC current gain Transition frequency at f=1MHz Switching times (16KHz line deflection circuit) Turn-off storage time Turn-off fall time VCEO(SUS) VCEsat VBEsat Hfe ft tS VBE=0V, VCE=VCESMmax VBE=0V, VCE=VCESMmax, TJ=125°C IB=0A, Ic=100mA, L=25mH Ic=4.5A, IB=2.0A Ic=4.5A, IB=2.0A Ic=1A, VCE=5V Ic=0.1A, VCE=10V tf Ic=4.5A, IB1=-1/2 IB2=1.8A, Vcc=100V MIN MAX UNIT 1.0 2.0 mA mA 1.0 1.5 V V V 8.0 MHz µs 1.0 µs 700 8 3 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO. LTD 2 QW-R205-005,A