RK44

RK43 - RK44 PRV : 30 - 40 Volts IO : 3.0 Amperes FEATURES : * * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low cost Low forward voltage drop SCHOTTKY BARRIER RECTIFIER DIODES DO-201AD 0.21 (5.33) 0.19 (4.82) 1.00 (25.4) MIN. 0.375 (9.52) 0.285 (7.24) 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN. 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 : 1.1 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 Maximum Peak Reverse Voltage Maximum Peak Reverse Surge Voltage Maximum Average Forward Current TL = 109 °C Maximum Peak Forward Surge Current, 8.3ms single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 3.0 A Maximum Reverse Current at VRM Maximum Reverse Current at VRM Junction Temperature Range Storage Temperature Range Ta = 25 °C Ta = 100 °C SYMBOL VRM VRSM IF(AV) IFSM VF IR IR(H) TJ TSTG RK43 30 35 3.0 80 0.55 5.0 50 - 40 to + 150 - 40 to + 150 RK44 40 45 UNIT V V A A V mA mA °C °C Note : (1) Pulse Test : Pulse Width = 300 µs, Duty Cycle = 2%. Page 1 of 2 Rev. 02 : September 7, 2005 RATING AND CHARACTERISTIC CURVES ( RK43 - RK44 ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT AVERAGE FORWARD OUTPUT CURRENT, AMPERES 5 100 FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES 4 80 3 60 2 40 1 20 0 80 90 100 110 120 130 140 150 0 1 2 4 6 10 20 40 60 100 LEAD TEMPERATURE, ( °C) NUMBER OF CYCLES AT 50Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES FIG.4 - TYPICAL REVERSE CHARACTERISTICS 10 10 TJ = 100 °C FORWARD CURRENT, AMPERES 1.0 1.0 0.1 0.1 TJ = 25 °C 0.01 Ta = 25 °C 0.01 0 20 40 60 80 100 120 140 0.001 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 PERCENT OF RATED REVERSE VOLTAGE, (%) FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 02 : September 7, 2005