RB491D

Data Sheet Shottky barrier diode RB491D Application Low current rectification Features 1) Small mold type. (SMD3) 2) Low IR 3) High reliability. Structure Silicon epitaxial planar Dimensions (Unit : mm) 2.9± 0.2 リードとも 0.4 ＋0.1 Eachlead has same dimension 　－0.05 (3) ＋0.1 0.15－0.06 1.0MIN. Lead size figure (Unit : mm) 0.8MIN. 0.95 2.4 2.8±0.2 1.6－＋00..12 (2) 0.95 0.95 1.9± 0.2 (1) 0～ 0.1 0. 8 ± 0 . 1 11..11±0000....21201 ROHM : SMD3 JEDEC :S0T-346 JEITA : SC-59 week code 0.3～0.6 SMD3 Structure 1.9 Taping dimensions (Unit : mm) 4.0±0.1 2.0±0.05 φ1.5±0.1 　　　　　 0 0.3±0.1 1.75±0.1 3.2±0.1 5.5±0.2 3.5±0.05 8.0±0.2 3.2±0.1 0～0.5 3.2±0.1 4.0±0.1 φ1.05MIN 1.35±0.1 Absolute maximum ratings (Ta=25C) Parameter Reverse voltage (repetitive peak) Reverse voltage (DC) Average rectified forward voltage (*1) Forward current surge peak (60Hz・1cyc) (*1) Junction temperature Storage temperature (*1) Rating of per diode Symbol VRM VR Io IFSM Tj Tstg Limits 25 20 1 3 125 40 to 125 Electrical characteristics (Ta=25C) Parameter Forward voltage Reverse current Symbol Min. Typ. Max. VF - - 0.45 IR - - 200 Unit V V A A °C °C Unit Conditions V IF=1A μA VR=20V www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 1/3 2011.03 - Rev.D RB491D Data Sheet FORWARD CURRENT:IF(A) FORWARD VOLTAGE:VF(mV) 1 Ta=75℃ Ta=125℃ 0.1 Ta=25℃ 100000 10000 1000 REVERSE CURRENT:IR(uA) Ta=-25℃ 100 0.01 10 1 0.001 0 100 200 300 400 500 FORWARD VOLTAGE：VF(mV) VF...