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                                    www.rohm.com 1/3 2011.04 - Rev.C○c 2011 ROHM Co., Ltd. All rights reserved. Schottky barrier Diode RB021VA90 ?Applications ?Dimensions (Unit : mm) ?Land size figure (Unit : mm) General rectification ?Features 1) Small power mold type (TUMD2) 2) Low VF 3) High reliability ?Structure Silicon epitaxial planar ?Structure ?Taping dimensions (Unit : mm) ?Absolute maximum ratings (Ta=25 ?C) Reverse voltage (DC) VR 90 Average rectified forward current Io A0.2 ?Electrical characteristic (Ta=25 ?C) ROHM : TUMD2 0.1 dot (year week factory) + day 1.3±0.05 0.8±0.05 2.5±0.2 1.9±0.1 0.6±0.2 0.17±0.1 0.05 1.1 2.0 0.8 0.5 TUMD2 4.0±0.1 2.0±0.05 φ1.55±0.1 0 1.43±0.05 4.0±0.1 φ1.0±0.2 0 2.75 3.5±0.05 1.75±0.1 8.0±0.2 0.25±0.05 0.9±0.08 2.8±0.05 Symbol Min. Typ. Max. Unit VF - - 0.49 V IF=200mA IR - - 900 μA VR=90V Conditions Parameter Forward voltage Reverse current Symbol Unit VRM V V IFSM A Tj ℃ Tstg ℃ Parameter Reverse voltage (repetitive peak) Limits 90 Forward current surge peak （60Hz?1cyc） 5 Junction temperature Storage temperature 125 ?40 to ?125 |