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          Data Sheet www.rohm.com ? 2011 ROHM Co., Ltd. All rights reserved. Rectifier Diode RR255M-400 ?Applications ?Dimensions (Unit : mm) ?Land size figure (Unit : mm) General rectification ?Features 1)Small power mold type. (PMDU) 2)High Reliability ?Construction Silicon epitaxial planar ?Structure ?Absolute maximum ratings (Ta=25 ?C) Parameter LimitsSymbol Unit Absolute peak reverse voltage 400VRM V VR V Io A0.7 IFRM A Tj ?C Tstg ?C ?Electrical characteristics (Ta=25 ?C) Symbol Min. Typ. Max. Unit Conditions Forward voltage VF - - 0.98 V IF=0.7A Reverse current IR --1uAVR=400V ?Taping dimensions (Unit : mm) Storage temperature ?55 to ?150 (*1)Mounted on epoxy board. 180°Half sine wave Parameter Forward current surge peak (1pulse/4S t=500us) 150 Junction temperature 150 Reverse voltage(DC) 400 Average rectified forward current(*1) PMDU 1.2 3.05 0.85 ROHM : PMDU JEDEC :SOD-123 Manufacture Date 4.0±0.1 2.0±0.05 φ1.55±0.05 1.81±0.1 4.0±0.1 φ1.0±0.1 3.5±0.05 1.75±0.1 8.0±0.2 0.25±0.05 1.5MAX 3.71±0.1 0.9±0.1 1.6±0.1 2.6±0.1 3.5±0.2 0.8±0.1 0.1±0.1 0.05 ① 1/3 2011.06 - Rev.D |