RA257 Datasheet | Micro Commercial Components

Features l omponents 21201 Itasca Street Chatsworth !"# $ % !"# RA251 THRU RA257 25.0 Amp High Current Plastic Silicon Rectifier 50 to 1000 Volts Plastic Material Used Carriers Underwrites Laboratory Classification 94V-O Low Cost Construction Utilizing Void-free Molded Plastic Technique High Surge Capability Diffused Junction l l l Maximum Ratings l l Operating & Storage Temperature: -50 C to +175 C For Capacitive Load, Derate Current by 20% Maximum Recurrent Peak Reverse Voltage 50V 100V 200V 400V 600V 800V 1000V o o MCC Part Number RA251 RA252 RA253 RA254 RA255 RA256 RA257 Maximum RMS Voltage 35V 70V 140V 280V 420V 560V 700V Maximum DC Blocking Voltage 50V 100V 200V 400V 600V 800V 1000V Electrical Characteristics @ 25o C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage Maximum DC Reverse Current At Rated DC Blocking Voltage Typical Reverse Recovery Times Typical Junction Capacitance IF(AV) IFSM VF 25.0A 400A T C =150 C 8.3ms half sine IFM =25.0A TA =25 C o o 1.1V 5.0u A T C =25 o C IF =0.5A, IR =1.0A, Irr=0.25A Measured at 1.0MHz, V R=4.0V trr 3.0us DIMENSION DIM INCHES MM NOTE MIN MAX MIN MAX A .380 .410 9.70 10.40 B .165 .185 4.19 4.70 C .215 .225 5.50 5.70 D .235 .250 6.00 6.40 E ----5o ----5o NOM Cj 300p F .mccsemi. RA251 thru RA257 RATINGS AND CHARACTERISTIC CURVES FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE HALF SINE WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD PEAK FORWARD SURGE CURRENT. (A) 600 400 300 FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 8.3ms Single Half Sine Wave JEDEC Method AVERAGE FORWARD CURRENT....