SCS491D 1.0 A, 25 V Surface Mount Schottky Barrier Rectifier Elektronische Bauelemente RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free DESCRIPTION SC-59 The SCS491D is low power rectification for switching power supply A L 3 3 C B Top View 1 1 2 K E 2 MARKING CODE D Marking F Circuit G Millimeter Min. Max. 2.70 3.10 2.25 3.00 1.30 1.70 1.00 1.40 1.70 2.30 0.35 0.50 REF. 10T A B C D E F – H REF. G H J K L J Millimeter Min. Max. 0.10 REF. 0.40 REF. 0.10 0.20 0.45 0.55 0.85 1.15 ABSOLUTE MAXIMUM RATINGS at TA = 25°C PARAMETER SYMBOL RATINGS UNIT Maximum Recurrent Peak Reverse Voltage VRRM 25 V Maximum RMS Voltage VRMS 18 V Maximum DC Blocking Voltage VDC 20 V Peak Forward Surge Current at 8.3 m Sec single half sine-wave IFSM 3 A Typical Junction Capacitance between Terminal CJ 30 pF Maximum Average Forward Rectified Current IO 1.0 A Total Power Dissipation PD 225 mW TJ, TSTG 125, -40~125 °C Junction, Storage Temperature ELECTRICAL CHARACTERISTICS (at TA = 25°C unless otherwise specified) Parameters Reverse Breakdown Voltage Symbol Min. Max. Unit Test Conditions V(BR)R 25 - V IR = 100µA Maximum Instantaneous Forward Voltage VF - 0.45 V IF = 1A Maximum Average Reverse Current IR - 200 µA VR = 20V 17-Nov-2009 Rev. B Page 1 of 2 SCS491D Elektronische Bauelemente 1.0 A, 25 V Surface Mount Schottky Barrier Rectifier RATINGS AND CHARACTERISTIC CURVES 17-Nov-2009 Rev. B Page 2 of 2