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