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| BU508AF GENERAL DESCRIPTION SILICON DIFFUSED POWER TRANSISTOR Highvoltage,high-speed switching npn transistors in a plastic envelope,primarily for use in switching power circuites of colour television receivers QUICK REFERENCE DATA SYMBOL TOP-3Fa CONDITIONS VBE = 0V MIN VCESM VCEO IC ICM Ptot VCEsat Icsat VF tf PARAMETER Collector-emitter voltage peak value Collector-emitter voltage (open base) Collector current (DC) Collector current peak value Total power dissipation Collector-emitter saturation voltage Collector saturation current Diode forward voltage Fall time Tmb 25 IC = 4.5A; IB = 2.0A f = 16KHz IC=4.5A,IB1=-IB2=1.2A,VCC=140V - MAX 1500 600 8 15 60 1.5 1.0 UNIT V V A A W V A V s LIMITING VALUES SYMBOL VCESM VCEO IC ICM IB IBM Ptot Tstg Tj PARAMETER 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 CONDITIONS VBE = 0V Tmb 25 MIN -55 - MAX 1500 600 8 15 4 6 60 150 150 UNIT V V A A A A W ELECTRICAL CHARACTERISTICS SYMBOL ICE ICES VCEOsust VCEsat VBEsat hFE VF fT Cc ts tf PARAMETER Collector cut-off current Collector-emitter sustaining voltage Collector-emitter saturation voltages Base-emitter satuation voltage DC current gain Diode forward voltage Transition frequency at f = 1MHz Collector capacitance at f = 1MHz Switching times(16KHz line deflecton circuit) Turn-off storage time Turn-off fall time CONDITIONS VBE = 0V; VCE = VCESMmax VBE = 0V; VCE = VCESMmax Tj = 125 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 VCB = 10V IC=4.5A,IB1=-IB2=1.2A,VCC=140V IC=4.5A,IB1=-IB2=1.2A,VCC=140V MIN 8 3 MAX 1.0 2.0 UNIT mA mA V 1.5 2.5 40 V V V MHz pF s s 135 7.0 1.0 Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com |
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