1N581X

® 1N581x LOW DROP POWER SCHOTTKY RECTIFIER MAIN PRODUCTS CHARACTERISTICS IF(AV) VRRM Tj VF (max) FEATURES AND BENEFITS n n n n n 1A 40 V 150°C 0.45 V VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES EXTREMELY FAST SWITCHING LOW FORWARD VOLTAGE DROP AVALANCHE CAPABILITY SPECIFIED DO41 DESCRIPTION Axial Power Schottky rectifier suited for Switch Mode Power Supplies and high frequency DC to DC converters. Packaged in DO41 these devices are intended for use in low voltage, high frequency inverters, free wheeling, polarity protection and small battery chargers. ABSOLUTE RATINGS (limiting values) Symbol VRRM IF(RMS) IF(AV) IFSM PARM Tstg Tj dV/dt Parameter Repetitive peak reverse voltage RMS forward current Average forward current Surge non repetitive forward current Repetitive peak avalanche power Storage temperature range Maximum operating junction temperature * Critical rate of rise of reverse voltage TL = 125°C δ = 0.5 tp = 10 ms Sinusoidal tp = 1µs Tj = 25°C 1200 Value 1N5817 1N5818 1N5819 20 30 40 10 1 25 1200 - 65 to + 150 150 10000 900 Unit V A A A W °C °C V/µs * : dPtot 1 thermal runaway condition for a diode on its own heatsink < dTj Rth( j − a ) 1/5 July 2003 - Ed: 4A 1N581x THERMAL RESISTANCES Symbol Rth (j-a) Rth (j-l) Junction to ambient Junction to lead Parameter Lead length = 10 mm Lead length = 10 mm Value 100 45 Unit °C/W °C/W STATIC ELECTRICAL CHARACTERISTICS Symbol IR * VF * Parameter Reverse leakage current Forward voltage drop Tests Conditio...