sanken electric co., ltd. http://www.sanken-ele.co.jp/en/ not to scale SARS05 SARS05-ds september 2, 2009 package: surface mount features and benefits ? high peak reverse voltage, v rm : 800 v ? low forward voltage, v f : 1.05 v (max.) at i f = 1.0 a ? peak forward surge current, i fsm : 30 a ? average forward current, i f(av) : 1.0 a ? flammability rating ul94v-0 (equivalent) ? pins pb (lead) free product structure epoxy resin body silicon chip solder-plated copper leadframe high efficiency snubber diode applications ? white goods appliances ? audio-visual equipment ? light fixtures ? communication equipment ? factory automation typical application description the SARS05 is an 800 v silicon diode designed especially for use in high-efficiency snubber circuits. this diode can sustain a high voltage with low loss, with low-noise rectification. to suppress surge voltage, conduct the surge voltage and noise into a capacitor via a series resistor, r s . then allow the capacitor to discharge the energy into power supply line with the regenerative circuit operation, shown below in the typical application circuit schematic. controller SARS05 r s energy discharge loop surge voltage absorption loop
2 sanken electric co., ltd. SARS05-ds SARS05 september 2, 2009 high efficiency snubber diode absolute maximum ratings characteristic symbol conditions rating unit peak reverse surge voltage v rsm 800 v peak reverse voltage v rm 800 v average forward current i f(av) refer to figure 1 1.0 a peak forward surge current i fsm 10 ms, half sine wave, one shot 30 a i 2 t limiting value i 2 t 1 ms < t < 10 ms 4.5 a 2 ? s junction temperature t j ?40 to 150 c storage temperature t stg ?40 to 150 c selection guide part number packing* SARS05vl 1800 pieces per reel, embossed taping; cathode left SARS05vr 1800 pieces per reel, embossed taping; cathode right *see the packing options page for details on the packing orientation. design notes use a series resistor (r s in the typical application circuit schematic), and choose a value for the resistor such that the SARS05 diode saturates at junction temperature, t j 150c.
3 sanken electric co., ltd. SARS05-ds SARS05 september 2, 2009 high efficiency snubber diode electrical characteristics valid at t a = 25c, unless otherwise specified characteristic symbol test conditions value unit forward voltage v f i f = 1.0 a 1.05 (max) v reverse current i r v r = v rm 5 (max) a reverse current (high temperature) i r(h) v r = v rm , t j = 100c 50 (max) a reverse recovery time t rr i f = i rp = 100 ma, 95% recovery point, t j = 25c, see figure 2 2 to 19 (max) s thermal resistance, junction to lead r jl between junction and pin 20 (max) c/w figure 1. derating characteristics and mounting conditions 1.0 0.8 0.6 0.4 0.2 0 100 110 120 130 140 150 t / t = 1/6 t / t = 1/3, sine wave average forward current, i f(av) (a) pin temperature, t l (c) forward current derating versus pin temperature t j = 150c, v r = 0 v t / t = 1/2 dc 1.0 0.8 0.6 0.4 0.2 0 100 110 120 130 140 150 t / t = 1/6 t / t = 1/3 average forward current, i f(av) (a) pin temperature, t l (c) forward current derating versus pin temperature t j = 150c, v r = 800 v t / t = 1/2 sine wave dc t t t t figure 2. definition of peak reverse current, i rp i f = i rp = 10 to 100 ma t rr 0.1 i rp 10 100 f 20 s 200 s 100 ma i rp 100 ma i f
4 sanken electric co., ltd. SARS05-ds SARS05 september 2, 2009 high efficiency snubber diode characteristic performance 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 0.2 0.4 0.6 0.8 1.0 t / t = 1/6 t / t = 1/3, sine wave t / t = 1/2 dc t / t = 1/6 t / t = 1/3, sine wave t / t = 1/2 dc 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 0 100 200 300 400 500 600 700 800 forward power dissipation, p f (w) average forward current, i f(av) (a) forward power dissipation versus average forward current t j = 150c t j = 150c reverse power dissipation, p r (w) reverse voltage, v r (v) reverse power dissipation versus reverse voltage t t t t
5 sanken electric co., ltd. SARS05-ds SARS05 september 2, 2009 high efficiency snubber diode pin treatment pb-free. device composition compliant with the rohs directive. 1. body: plastic, epoxy resin 2. chip: si 3. leadframe: cu with solder plating 4. interior leadframe: cu weight: approximately 0.072 g package outline package marking material composition and internal structure cathode index band as05 ymdd 1 2 4 3 3 4.5 0.2 2.6 0.2 dimensions in mm 5.0 2x1.3 0.4 2.0 min 2x1.5 0.2 2.15 2 1 +0.1 ?0.2 0.05 +0.1 ?0.05 +0.4 ?0.1 cathode index band product number abbreviation of SARS05 lot number y is the last digit of the year (0 to 9) m is the month (1 to 9, o, n, d) dd is the day (01 to 31)
6 sanken electric co., ltd. SARS05-ds SARS05 september 2, 2009 high efficiency snubber diode packing options embossed tape vr orientation vl orientation dimensions in mm tape and reel dimensions the same for both orientations reel 1800 pieces per reel (1) device is placed in the embossed pocket with the mounting electrode down. (2) 150 to 200 mm leader tape is attached to the tip of the tape. (3) 10 or more blank pockets are provided at both the beginning and the end of the tape. feeding direction 2 1 1 2 180 21 0.8 13 0.5 2.0 0.5 13 1.5 1.2 0.5 r1.0 +0 ?3 60 2 as05 ymdd as05 ymdd 4 0.1 4 0.1 2.9 0.1 2.4 0.1 5.6 0.1 2 0.05 1.75 0.1 5.5 0.05 12 ?0.1 +0.1 ?0 1.5 feeding direction
7 sanken electric co., ltd. SARS05-ds SARS05 september 2, 2009 high efficiency snubber diode ? the contents in this document are subject to changes, for improvement and other purposes, without notice. make sure that this is the latest revision of the document before use. ? application and operation examples described in this document are quoted for the sole purpose of reference for the use of the prod- ucts herein and sanken can assume no responsibility for any infringement of industrial property rights, intellectual property r ights or any other rights of sanken or any third party which may result from its use. ? although sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of se micon- ductor products at a certain rate is inevitable. users of sanken products are requested to take, at their own risk, preventativ e measures including safety design of the equipment or systems against any possible injury, death, fires or damages to the society due to device failure or malfunction. ? sanken products listed in this document are designed and intended for the use as components in general purpose electronic equ ip- ment or apparatus (home appliances, office equipment, telecommunication equipment, measuring equipment, etc.). when considering the use of sanken products in the applications where higher reliability is required (transportation equipment and its control systems, traffic signal control systems or equipment, fire/crime alarm systems, various safety devices, etc.), and whenever long life expectancy is required even in general purpose electronic equipment or apparatus, please contact your nearest sanken sales representative to discuss, prior to the use of the products herein. the use of sanken products without the written consent of sanken in the applications where extremely high reliability is requi red (aerospace equipment, nuclear power control systems, life support systems, etc.) is strictly prohibited. ? in the case that you use sanken products or design your products by using sanken products, the reliability largely depends on the degree of derating to be made to the rated values. derating may be interpreted as a case that an operation range is set by dera ting the load from each rated value or surge voltage or noise is considered for derating in order to assure or improve the reliability. in general, derating factors include electric stresses such as electric voltage, electric current, electric power etc., environmental stres ses such as ambient temperature, humidity etc. and thermal stress caused due to self-heating of semiconductor products. for these stress es, instantaneous values, maximum values and minimum values must be taken into consideration. in addition, it should be noted that since power devices or ic's including power devices have large self-heating value, the de gree of derating of junction temperature affects the reliability significantly. ? when using the products specified herein by either (i) combining other products or materials therewith or (ii) physically, ch emically or otherwise processing or treating the products, please duly consider all possible risks that may result from all such uses in advance and proceed therewith at your own responsibility. ? anti radioactive ray design is not considered for the products listed herein. ? sanken assumes no responsibility for any troubles, such as dropping products caused during transportation out of sanken's dis tribu- tion network. ? the contents in this document must not be transcribed or copied without sanken's written consent.
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