RU4

RU4 - RU4B PRV : 400 - 800 Volts Io : 1.5 Amperes 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 FAST RECOVERY RECTIFIERS DO-201AD 0.21 (5.33) 0.19 (4.83) 1.00 (25.4) MIN. 0.3.75 (9.53) 0.285 (7.24) 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 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN. Dimensions in inches and ( millimeters ) 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%. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATING Maximum Peak Reverse Voltage Maximum Peak Reverse Surge Voltage Maximum Average Forward Current Ta = 60 °C Maximum Peak Forward Surge Current ( 50 Hz, Half-cycle, Sine wave, Single Shot ) Maximum Forward Voltage at IF = 3 Amps. Maximum Reverse Current at VR = VRM Maximum Reverse Current at VR = VRM Ta = 25 °C Ta = 100 °C SYMBOL VRM VRSM IF(AV) IFSM VF IR IR(H) Trr TJ TSTG RU4 400 400 RU4A 600 600 RU4B 800 800 UNIT V V A A 1.5 ( 3.0 With Heatsink ) 50 1.5 10 300 0.4 - 40 to + 150 - 40 to + 150 500 1.6 V µA µA µs °C °C Maximum Reverse Recovery Time ( Note 1 ) Junction Temperature Range Storage Temperature Range 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 µF specimen 10 mA IF 0.1 IRP 200µS NOTE : IF = IRP = 10 mA TO 1 mA 10 mA IRP 20µS 100 Ω Trr FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 3.0 FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 AVERAGE FORWARD OUTPUT CURRENT, AMPERES 20 x 20 x 1tCu 2.4 PEAK FORWARD SURGE CURRENT, AMPERES 175 5mm 5mm 40 1.8 With 30 1.2 Without Heatsink 20 0.6 10 0 0 25 50 75 100 125 150 0 1 2 4 6 10 20 40 60 100 AMBIENT TEMPERATURE, ( °C) FIG.4 - TYPICAL FORWARD CHARACTERISTICS 50 NUMBER OF CYCLES AT 50Hz FIG.5 - TYPICAL REVERSE CHARACTERISTICS 10 REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES 10 TJ = 100 °C 1.0 1.0 0.1 Ta = 25 °C 0.1 TJ = 25 °C 0.01 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