sanken electric co., ltd. http://www.sanken-ele.co.jp/en/ high efficiency snubber diode product structure typical application not to scale SARS01 SARS01-ds february 25, 2003 package: axial description the SARS01 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. features and benefits ? high peak reverse voltage, v rm : 800 v ? low forward voltage, v f : 0.92 v (max) at i f = 1.2 a ? peak forward surge current, i fsm : 110 a ? average forward current, i f(av) : 1.2 a ? flammability rating ul94v-0 (equivalent) ? pins pb (lead) free applications ? white goods appliances ? audio-visual equipment ? light fixtures ? communication equipment ? factory automation controller SARS01 r s energy discharge loop surge voltage absorption loop epoxy resin body silicon chip silver plated and solder dipped copper wire pins
2 sanken electric co., ltd. SARS01-ds SARS01 february 25, 2003 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 1.2 a peak forward surge current i fsm 10 ms, half sine wave, one shot 110 a junction temperature t j ?40 to 150 c storage temperature t stg ?40 to 150 c selection guide part number packing* SARS01 1000 pieces per box, bulk SARS01v 5000 pieces per reel, 52 mm pitch axial taping SARS01v1 2000 pieces per box, 52 mm pitch axial taping SARS01v0 2000 pieces per box, 26 mm pitch axial taping SARS01w 4000 pieces per box, radial taping *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 SARS01 diode saturates at junction temperature, t j 150c.
3 sanken electric co., ltd. SARS01-ds SARS01 february 25, 2003 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 = 1.2 a 0.92 (max) v reverse current i r v r = v rm 10 (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 = 10 ma, 90% recovery point; refer to figure 2 2 to 18 s thermal resistance, junction to lead r jl between junction and pin 20 (max) c/w figure 1. derating characteristic and mounting conditions figure 2. definition of peak reverse current, i rp 100 80 60 40 20 0 0 20 40 60 80 100 120 140 160 percentage of rated forward voltage (%) ambient temperature, t a (c) voltage derating versus ambient temperature power loss by reverse voltage not included mounted on pcb as shown at right bent pin length = 15 mm cu land thickness = 35 m cu land area = 10 10 mm pcb substrate area = 180 100 mm pcb substrate thickness = 1.6 mm i f = i rp = 1 to 10 ma t rr 0.1 i rp 10 100 f 20 s 200 s 10 ma i rp 10 ma i f
4 sanken electric co., ltd. SARS01-ds SARS01 february 25, 2003 high efficiency snubber diode 1 2 3 pin treatment pb-free. device composition compliant with the rohs directive. product number abbreviation of SARS01 lot number, part 1 y is the last digit of the year (0 to 9) m is the month (1 to 9, o, n, d) lot number, part 2 d is the period of days ? ? 1st to 10th ? ? ? 11th to 20th ? ? ? ? 21st to 31st 1. body: plastic, epoxy resin 2. chip: si 3. pins: cu wire ag plating solder dipped weight: approximately 0.2 g package outline package marking material composition and internal structure 5.00.2 2 1 62.30.7 ? 2.70.2 ? 0.60.5 cathode index band dimensions in mm offset body centerline to pin centerline 0.5 mm maximum concentricity body and pin 0.3 mm maximum pin dimension does not include trim burr; burr 2 mm maximum a a c c b b cathode index band ar s1 ym
5 sanken electric co., ltd. SARS01-ds SARS01 february 25, 2003 high efficiency snubber diode packing options axial taping axial taping axial taping reel ammunition (ammo) pack ammunition (ammo) pack ammunition (ammo) pack 0.5max 1.0 1.0 + --- 0.5 5.08 0.38 + 0.5max max 52.0 0 + 1 6.0 0 + 0.5 6.0 0 + 0.5 0.5 (blue) (white) 0.5max 1.0 1.0 + --- 0.5 5.08 0.38 + 0.5max 52.0 0 + 1 (blue) (white) 6.0 0 + 0.5 6.0 0 + 0.5 max 0.5 broken lines: perforation 255max 77m ax 77max part no., lot no., quantity 0.5max 1.0 1.0 + --- 0.5 5.08 0.38 + 0.5max max 26.0 0 + 1 6.0 0 + 0.5 6.0 0 + 0.5 0.5 (blue) (white) broken lines: perforation part no., lot no., quantity 95max 255max 51max 340 core flange 81 75 25 83 part no., lot no., quantity 15 29 75 holddown clip p 2 p 2 p 2 p 2 p 1 p 1 p 2 p 0.1 radial taping 4.0 6.35 12.7 2.6max 27.5 16.0 (11.5) max 4.2 12.7 1.0 max 12.7 3.85 5.0 12.7 3.0 max 12.5min 9.0 18.0 0 0.7 p 0.5 p 1.3 p 1.0 p 1.0 p 0.2 p 0.5 p 0.3 p 2.0 p 0.7 p 0.2 p 1.0 p 0.5 p 0.5 +1.0 ?0.5 5,000 pieces per reel 2,000 pieces per box 2,000 pieces per box 4,000 pieces per box broken lines: perforation part no., lot no., quantity anode c at ho d e 340max 140max 55max v orientation v1 orientation v0 orientation w orientation dimensions in mm 2 1 2 1 2 1 2 1
6 sanken electric co., ltd. SARS01-ds SARS01 february 25, 2003 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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