RU4 - RU4B FAST RECOVERY RECTIFIERS DO-201AD PRV : 400 - 800 Volts Io : 1.5 Amperes FEATURES : * * * * * * * 1.00 (25.4) MIN. 0.21 (5.33) 0.19 (4.83) High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency Pb / RoHS Free 0.3.75 (9.53) 0.285 (7.24) 1.00 (25.4) MIN. 0.052 (1.32) 0.048 (1.22) MECHANICAL DATA : * Case : DO-201AD 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 : 1.21 grams 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 RU4 RU4A RU4B UNIT Maximum Peak Reverse Voltage VRM 400 600 800 V Maximum Peak Reverse Surge Voltage VRSM 400 600 800 V Maximum Average Forward Current Ta = 60 C IF(AV) 1.5 ( 3.0 With Heatsink ) A IFSM 50 A Maximum Peak Forward Surge Current ( 50 Hz, Half-cycle, Sine wave, Single Shot ) Maximum Forward Voltage at IF = 3 Amps. VF Maximum Reverse Current at VR = VRM Ta = 25 C IR Maximum Reverse Current at VR = VRM Ta = 100 C IR(H) 1.5 1.6 A 10 300 V 500 A Maximum Reverse Recovery Time ( Note 1 ) Trr 0.4 s Junction Temperature Range TJ - 40 to + 150 C Storage Temperature Range TSTG - 40 to + 150 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 ( RU4 - RU4B) 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.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 50 20 x 20 x 1tCu 2.4 5mm PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 3.0 FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 5mm With 1.8 1.2 Without Heatsink 0.6 0 0 25 50 75 100 125 150 40 30 20 10 0 175 1 AMBIENT TEMPERATURE, ( C) 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 50Hz FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES 50 FORWARD CURRENT, AMPERES 10 1.0 Ta = 25 C 0.1 0.01 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, (%) 0.001 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 02 : March 25, 2005