Maximum & Thermal Characteristics Ratings at 25 ambient temperature unless otherwise specified. Parameter Symbol Maximum repetitive voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum DC reverse current TA=25 at rated DC blocking voltage TA=125 Average rectified forward current Tc=50 60Hz Sine wave Resistance load TA=40 Peak forward surge current 8.3ms single half sine-wave superimposed on rated load Rating of fusing (t<8.3ms) Dielectric strength terminals to case AC 1 minute Current 1mA Max instantaneous forward voltage at 2.0A Operating junction temperature Maximum thermal on P.C.B. without heat-sink resistance per leg on Al plate heat-sink Storage temperature Symbol VRRM VRMS VDC IR Io