sangdest microelectronics technical data green products data sheet n0939. rev. - ? weiqi street, airport development zone, jiangning district, nanjing, china 211113 (86) 25-87123907 ? ? fax (86) 25-87123900 ? world wide web site - http://www.sa ngdest.com.cn ? e-mail address - sales@ sangdest.com.cn ? SK54 SK54 schottky rectifier applications: ? switching power supply ? converters ? free-wheeling diodes ? reverse battery protection features: ? small foot print,surface mountable ? very low forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? green products in compliance the rohs directive ? this is a pb ? free device ? all smc parts are traceable to the wafer lot ? additional testing can be offered upon request mechanical dimensions (in mm) smc
sangdest microelectronics technical data green products data sheet n0939. rev. - ? weiqi street, airport development zone, jiangning district, nanjing, china 211113 (86) 25-87123907 ? ? fax (86) 25-87123900 ? world wide web site - http://www.sa ngdest.com.cn ? e-mail address - sales@ sangdest.com.cn ? SK54 marking diagram: where xxxxx is yywwl SK54 = part name yy = year ww = week l = lot number cautions molding resin epoxy resin ul:94v-0 ordering information device package shipping SK54 smc (pb-free) 3000pcs / reel for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel p ackaging specification. maximum ratings: characteristics symbol condition max. units peak inverse voltage v rwm - 40 v max. average forward i f(av) 50% duty cycle @tc =105 rectangular wave form(l=0.375?) 5.0 a max. peak one cycle non-repetitive surge current i fsm 8.3 ms, half sine pulse 125 a
sangdest microelectronics technical data green products data sheet n0939. rev. - ? weiqi street, airport development zone, jiangning district, nanjing, china 211113 (86) 25-87123907 ? ? fax (86) 25-87123900 ? world wide web site - http://www.sa ngdest.com.cn ? e-mail address - sales@ sangdest.com.cn ? SK54 electrical characteristics: characteristics symbol condition max. units max. forward voltage drop v f1 @ 5a, pulse, t j = 25 0.65 v v f1 @ 5a, pulse, t j = 125 0.63 v max. reverse current i r1 @v r = rated vr t j = 25 1.0 ma i r2 @v r = rated vr t j = 125 30.0 ma typical junction capacitance cj @v r = 4.0 v, tc=25 f sig = 1mhz 150 pf * pulse width < 300s, duty cycle <2% thermal-mechanical specifications: characteristics symbol condition specification units max. junction temperature t j - -55 to +150 max. storage temperature t stg - -55 to +150 maximum thermal resistance junction to lead r jl dc operation 20 /w maximum thermal resistance, case to heat sink r ja dc operation 84 /w approximate weight wt - 0.65 g case style smc
sangdest microelectronics technical data green products data sheet n0939. rev. - ? weiqi street, airport development zone, jiangning district, nanjing, china 211113 (86) 25-87123907 ? ? fax (86) 25-87123900 ? world wide web site - http://www.sa ngdest.com.cn ? e-mail address - sales@ sangdest.com.cn ? SK54 10 100 1000 5 10152025303540 reverse voltage-vr(v) junction capacitance-ct(pf) 0.0001 0.001 0.01 0.1 1 10 100 0 5 10 15 20 25 30 35 40 45 reverse voltage-vr(v) reverse current-ir(ma) 1 10 100 0.20.40.60.8 1 1.21.4 forward voltage drop-vf(v) instantaneous forward current- if(a) fig.2-typical values of reverse current vs.reverse voltage fig.1-typical junction capacitance vs.reverse voltage tj=125 tj=25 tj=25 fig.3-typical forward voltage drop characteristics tj=25 tj=125
sangdest microelectronics technical data green products data sheet n0939. rev. - ? weiqi street, airport development zone, jiangning district, nanjing, china 211113 (86) 25-87123907 ? ? fax (86) 25-87123900 ? world wide web site - http://www.sa ngdest.com.cn ? e-mail address - sales@ sangdest.com.cn ? SK54 disclaimer: 1- the information given herein, including the specifications and dimensions, is subject to change without prior notice to impr ove product characteristics. before ordering, purchasers are advised to c ontact the smc - sangdest microelectronics (nanjing) co., ltd sale s department for the latest version of the datasheet(s). 2- in cases where extremely high reliability is required (suc h as use in nuclear power control, aerospace and aviation, traffic equipment, medical equipment , and safety equipment) , safety should be ensur ed by using semiconductor devices that feature assured safety or by means of users? fail-safe precautions or other arrangement . 3- in no event shall smc - sangdest microelectronics (nanjing) c o., ltd be liable for any damages that may result from an accid ent or any other cause during operation of the user?s units according to the datasheet(s). smc - sangdest microelectronics (nanjing) c o., ltd assumes no responsibility for any intellectual property claims or any other problems that may result from applications of infor mation, products or circuits described in the datasheets. 4- in no event shall smc - sangdest microelectronics (nanjing) c o., ltd be liable for any failure in a semiconductor device or any secondary damage resulting from use at a value exceeding the absolute maximum rating. 5- no license is granted by the datasheet(s) under any patents or other rights of any third party or smc - sangdest microelectr onics (nanjing) co., ltd. 6- the datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permissio n of smc - sangdest microelectronics (nanjing) co., ltd. 7- the products (technologies) described in the datasheet(s) are n ot to be provided to any party whose purpose in their applica tion will hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or a ny third party. when exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws a nd regulations..
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