RB491DT146

RB491D Schottky Barrier Diode Data sheet 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 ● Outline VR 20 V Io 1 A IFSM 3 A 　 　 　 　 　 　 　 　 　 　 　 　　　 ● Features ● Inner Circuit High reliability Small mold type Super low V F ● Application ● Packaging Specifications Packing Embossed Tape Reel Size(mm) 180 Taping Width(mm) 8 Basic Ordering Unit(pcs) 3000 Taping Code T146 Marking D2E General rectification ● Structure Silicon epitaxial planar ● Absolute Maximum Ratings (Ta=25ºC unless otherwise specified) Parameter Symbol Conditions Limits Unit Repetitive peak reverse voltage Reverse voltage V RM VR Duty≦0.5 Reverse direct voltage 25 20 V V Average rectified forward current Io Glass epoxy mounted、 60Hz half sin waveform、resistive load 1 A Peak forward surge current IFSM 60Hz half sin waveform、Non-repetitive、 one cycle、Ta=25℃ 3 A Junction temperature(1) Storage temperature Tj Tstg - 125 -40 ～ 125 ℃ ℃ Note(1) To avoid occurrence of thermal runaway ， actual board is to be designed to fulfill dPd/dTj