RU1 - RU1B FAST RECOVERY RECTIFIER DIODES PRV : 400 - 800 Volts Io : 0.25 Ampere D2 FEATURES : * * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency Pb / RoHS Free 1.00 (25.4) MIN. 0.161 (4.1) 0.154 (3.9) 0.284 (7.2) 0.268 (6.8) 0.034 (0.86) 0.028 (0.71) MECHANICAL DATA : * Case : D2 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 : 0.465 gram 1.00 (25.4) MIN. 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 by 20%. RATING SYMBOL RU1 RU1A RU1B UNIT Maximum Peak Reverse Voltage VRM 400 600 800 V Maximum Peak Reverse Surge Voltage VRSM 450 650 850 V Maximum Average Forward Current Ta = 50 C IF(AV) 0.25 A IFSM 15 A VF 2.5 V Maximum Peak Forward Surge Current ( 50 Hz, Half-cycle, Sine wave, Single Shot ) Maximum Forward Voltage at IF = 0.25 A Maximum Reverse Current at VR = VRM Ta = 25 C IR 10 A Maximum Reverse Current at VR = VRM Ta = 100 C IR(H) 200 A Maximum Reverse Recovery Time (Note 1) Trr 400 ns Junction Temperature Range TJ - 40 to + 130 C Storage Temperature Range TSTG - 40 to + 130 C Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 10 mA, IRP = 10 mA. Page 1 of 2 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( RU1 - RU1B ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 100 F specimen 10 mA IF 10 mA IRP 100 20S 0.1 IRP 200S Trr NOTE : IF = IRP = 10 mA TO 1 mA FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 25 0.25 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 0.20 0.15 0.10 0.05 0 0 25 50 75 100 125 150 20 15 10 5 0 175 1 AMBIENT TEMPERATURE, ( C) 10 1.0 0.01 0.5 Ta = 25 C 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 FORWARD VOLTAGE, VOLTS Page 2 of 2 4 6 10 20 40 60 100 1.4 1.5 FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES FIG.4 - TYPICAL FORWARD CHARACTERISTICS 0.1 2 NUMBER OF CYCLES AT 50Hz 10 TJ = 100 C 1.0 0.1 TJ = 25 C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 02 : March 25, 2005