dated : 13/12/2005 semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) ? SB491D silicon epitaxial planar schottky barrier diode for low power rectificati on and switching power supply power supply applications feature ? ultra low v f sot-23 plastic package marking marking code: fj absolute maximum ratings (t a = 25 o c) parameter symbol value unit peak reverse voltage v rm 25 v dc reverse voltage v r 20 v dc forward current i f 1 a peak forward surge current 1) i fsm 3 a junction temperature t j 125 o c storage temperature range t s -40 to +125 o c 1) 60hz for 1 characteristics at t a = 25 o c parameter symbol min max unit forward voltage at i f = 1 a v f - 0.45 v reverse current at v r = 20 v i r - 200 a note: esd sensitive product handling required. 1 3 2
dated : 13/12/2005 semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) ? SB491D
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