EK03 - EK04 SCHOTTKY BARRIER DIODES DO - 41 PRV : 30 - 40 Volts IO : 1.0 Amperes FEATURES : * * * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low forward voltage drop Low cost Pb / RoHS Free 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) MECHANICAL DATA : * Case : DO-41 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 : 0.339 gram 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 EK03 EK04 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 30 40 V Maximum Peak Reverse Surge Voltage VRSM 35 45 V Maximum Average Forward Current IF(AV) 1.0 A IFSM 25 A VF 0.55 V IR 1.0 mA IR(H) 50 mA Junction Temperature Range TJ - 40 to + 125 °C Storage Temperature Range TSTG - 40 to + 125 °C Maximum Peak Forward Surge Current ( 50 Hz, Half-cycle, Sine wave, Single Shot ) Maximum Forward Voltage at IF = 1A Maximum Reverse Current at VR = VRM Maximum Reverse Current at VR = VRM Page 1 of 2 Ta = 25 °C Tj = 100 °C Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( EK03 - EK04 ) AVERAGE FORWARD CURRENT, AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 PEAK FORWARD SURGE CURRENT, AMPERES 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 40 30 20 10 0 175 1 AMBIENT TEMPERATURE, (°C) 20 FORWARD CURRENT, AMPERES 10 1.0 Ta = 27 °C 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 FORWARD VOLTAGE, VOLTS Page 2 of 2 4 6 10 20 40 60 100 1.0 1.1 FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES FIG.3 - TYPICAL FORWARD CHARACTERISTICS 0.01 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