RB491DWS SCHOTTKY BARRIER DIODE PINNING Features • Small surface mounting type • Ultra low VF 1 Cathode 2 Anode 2 1 Applications • For switching power supply • Low-power rectification Absolute Maximum Ratings (Ta = 25 OC) Parameter DESCRIPTION PIN AA Top View Marking Code: "AA" Simplified outline SOD-323 and symbol Symbol Value Unit Peak Reverse Voltage VRM 25 V Reverse Voltage VR 20 V Forward Current IF 1 A IFSM 3 Junction Temperature TJ 125 O Storage Temperature Range Ts - 40 to + 125 O Symbol Max. Unit Forward Voltage at IF = 1 A VF 0.45 V Reverse Current at VR = 20 V IR 200 µA Peak Forward Surge Current (60 Hz for 1 Cyc.) A C C Characteristics at Ta = 25 OC Parameter Note: ESD sensitive product handling required. SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 01/09/2006 RB491DWS SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 01/09/2006 RB491DWS PACKAGE OUTLINE Plastic surface mounted package; 2 leads SOD-323 A c HE A D E bp UNIT A bp C D E HE mm 1.10 0.80 0.40 0.25 0.15 0.00 1.80 1.60 1.35 1.15 2.80 2.30 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 01/09/2006