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BUT21BF page 2
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BUT21BF Description

·Collector-Emitter Sustaining Voltage- : VCEO(SUS) = 400V(Min)- BUT21BF 450V(Min)- BUT21CF ·High Switching Speed APPLICATIONS ·Designed for use in converters, inverters, switching regulators, motor control systems etc. L= 25mH VCE(sat) Collector-Emitter Saturation Voltage BUT21BF IC= 3A;.