dated : 01/07/2008 j ? semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) ss5817 thru SS5819 surface mount schottky barrier rectifiers reverse voltage - 20 to 40 v forward current - 1 a features ? plastic package has underwriters laboratory classification 94v-0 ? metal silicon junction, majority carrier conduction ? for surface mount applications ? guard ring for overvoltage protection ? low power loss, high efficiency ? high current capability, low forward voltage drop ? high surge capability mechanical data ? case: sma (do-214ac) molded plastic case ? terminals: solder plate, solderable per mil-std -750, method 2026 ? polarity: color band denotes cathode end ? mounting position: any maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. singl e phase, half wave, resistive or inductive load, for capacitive load, derate by 20% parameter symbols ss5817 ss5818 SS5819 units maximum repetitive peak reverse voltage v rrm 20 30 40 v maximum rms voltage v rms 14 21 28 v maximum dc blocking voltage v dc 20 30 40 v maximum average forward rectified current 0.375" (9.5 mm) load length at t l = 90 o c i (av) 1 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) at t l = 70 o c i fsm 25 a maximum instantaneous forward voltage at 1 a v f 0.45 0.55 0.6 v at t a = 25 o c 0.5 ma maximum instantaneous reverse current at rated dc blocking voltage at t a =100 o c i r 10 ma typical junction capacitance 1) c j 110 pf typical thermal resistance 2) r ja 88 o c/w operating and storage temperature range t j ,t s - 65 to + 125 o c 1) measured at 1 mhz and reverse voltage of 4 volts. 2) thermal resistance (from junction to ambient) vertical p.c.b mounted, with 1.5 x 1. 5" (38 x 38 mm) copper pads. www.datasheet.net/ datasheet pdf - http://www..co.kr/
dated : 01/07/2008 j ? semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) ss5817 thru SS5819 www.datasheet.net/ datasheet pdf - http://www..co.kr/
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