EM2 - EM2B RECTIFIER DIODES DO - 41 PRV : 400 - 800 Volts Io : 1.2 Ampere FEATURES : * * * * * * 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Pb / RoHS Free 0.205 (5.2) 0.166 (4.2) 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) MECHANICAL DATA : * Case : DO-41 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.34 gram Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 C ambient temperature unless otherwise specified . Single phase, half wave,60 Hz, resistive or inductive load. For capacitive load, derate current by20%. RATING SYMBOL EM2 EM2A EM2B UNIT Maximum Peak Reverse Voltage VRM 400 600 800 V Maximum Peak Reverse Surge Voltage VRSM 450 650 850 V Maximum Average Forward Current IF(AV) 1.2 A IFSM 80 A VF 0.92 V Nonrepetitive Peak Surge Current (50 Hz Half-cycle Sine Wave Single Shot) Maximum Forward Voltage at 1.2 Amp. Maximum Reverse Current at Reverse Voltage Ta = 25 C IR 10 A Maximum Reverse Current at Reverse Voltage Ta = 100 C IR(H) 50 A Junction Temperature Range TJ - 40 to + 140 C Storage Temperature Range TSTG - 40 to + 140 C Page 1 of 2 Rev. 03 : March 30, 2005 RATING AND CHARACTERISTIC CURVES ( EM2 - EM2B ) PEAK FORWARD SURGE CURRENT, AMPERES FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT AVERAGE FORWARD OUTPUT CURRENT, AMPERES 1..5 1.2 0.9 0.6 0.3 0 0 20 40 60 80 100 120 140 FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 Ta = 25 C 80 60 40 20 0 1 AMBIENT TEMPERATURE, ( C) 4 6 10 20 40 60 100 FIG.4 - TYPICAL REVERSE CHARACTERISTICS 10 10 REVERSE CURRENT, MICROIAMPERES FORWARD CURRENT, AMPERES FIG.3 - TYPICAL FORWARD CHARACTERISTICS 1.0 Pulse Width = 300 s 2% Duty Cycle T J = 25 C 0.1 0.01 0 Ta = 100 C 1.0 0.1 Ta = 25 C 0.01 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS Page 2 of 2 2 NUMBER OF CYCLES AT 50Hz 1.8 2.0 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 03 : March 30, 2005