www.vishay.com 16 smm0207 vishay draloric document number 20005 revision 05-mar-02 for technical questions contact : ff1aresistors@vishay.com features metal film resistor with high power rating stable metal film on high quality ceramic good thermal distribution force fitted steel caps, tin plated on nickel barrier reliable solderable terminations to facilitate surface mounting. further values and tolerances on request coating: light green marking: see appropriate catalog or web page zero ohm resistor has one black band only 1) power rating depends on the maximum temperature at the solder point, the component placement density and the substrate material. 2) rated voltage: pxr metal film, cylindrical resistors parameter unit smm0207 rated dissipation at 70 cw 1 limiting element voltage 2) v 350 insulation voltage (1 min) v dc/ac peak > 500 thermal resistance k/w see table insulation resistance ? 10 11 category temperature range c - 55 / + 125 (+ 155) failure rate 10 ? /h < 5 weight / 1000pcs g 77 technical specifications model power rating limiting element temperature tolerance resistance e-series p 70 c 1) voltage max. 2) coefficient range wv ppm/k % ? smm0207 1.0 350 50 0.5 1r0 ?2m21 24 ?96 smm0207 1.0 350 50 1 1r0 ?10m 24 ?96 smm0207 1.0 350 100 5 r16 ?r91 24 zero-ohm-resistor : omm0207 r max = 10m ? i max = 5a standard electrical specifications smm0207 50 562r 1% bp model tc resistance value tolerance packaging ppm / k ? % bp-blistertape 1500 pcs ordering information
smm0207 vishay draloric www.vishay.com 17 document number 20005 revision 05-mar-02 for technical questions contact : ff1aresistors@vishay.com metal film, cylindrical resistors model reel bulk loose in plastic container tape width diameter pieces / reel code pieces / magazine pieces code smm0207 12mm 180mm 1500 bp 1000 l1 omm0207 blistertape 330mm 7500 bs further information about packaging see appropriate catalog or web page. packaging model dimensions [in millimeters] d max d * l a max a mi n smm0207 2.2 d -0.2 5.8 - 0.3 1.2 0.6 * d measured in the middle of the resistor a x b line-width p 70 for 35 r th for 35 p 70 for 70 r th for 70 c (mm) (mm) (w) (k/w) (w) (k/w) 6 x 6 6 0.82 103 0.99 86 3 x 3 3 0.70 121 0.82 104 2 x 3 2 0.62 137 0.71 120 3 x 3 2 0.65 131 0.75 114 1 x 3 1 0.51 166 0.58 147 3 x 3 1 0,57 148 0.63 134 2.4 x 2 0.5 0.46 184 0.50 171 2.4 x 2 0.5 0.48 177 0.52 163 ?line length 30mm min, i = 2.8mm solder pad dimensions [in millimeters] dimensions
www.vishay.com 18 smm0207 vishay draloric document number 20005 revision 05-mar-02 for technical questions contact : ff1aresistors@vishay.com metal film, cylindrical resistors square pulse t i in s. 10 ? 10 ? 10 ? 10 ? 10 ? 1 10 1800 1600 1400 1200 1000 800 600 400 200 0 smm0207 maximum pulse voltage pulse voltage ? max p in v secondary conditions: a) p see diagrams (pulse rating) b) ? u 70?c 10 ? 10 ? 10 ? 10 ? 10 ? 1 10 1000 100 10 1 0.1 secondary conditions: a) p < p 70 (peak pulse, single pulse) b) ? u 70?c c) ? max see diagram (max. pulse voltage) smm0207 power rating p in w square pulse t i in s. pulse rating p 0 10 ? 10 ? 10 ? 10 ? 10 ? 1 10 1000 100 10 1 0.1 smm0207 power rating p in w secondary conditions: a) p < p 70 (permissible constant power at ? u =70?c) b) ? u 70?c c) ? max see diagram (max. pulse voltage) pulse rating p p 70 square pulse t i in s. power rating p in w derating ambient temperature in c -55 -25 0 25 50 75 100 125 155 0 20 40 60 80 100 120 70 test voltage in v resistance value in ? 10r 100r 1k 10k 100k 10 100 single pulse high voltage overload test 1.2 / 50 s en 140000 4.27 1k 3k test voltage in v resistance value in ? 10r 100r 1k 10k 100k 10 100 single pulse high voltage overload test 10 / 700 s en 140000 4.27 1k 3k
smm0207 vishay draloric www.vishay.com 19 document number 20005 revision 05-mar-02 for technical questions contact : ff1aresistors@vishay.com 1) for a resistance range from 10 ? to 1m ? performance test conditions of test test results 1) endurance test at 70 c 1000 hours at 70 c 1.5 hours "on" 0.5 hours "off" 0.5 % iec 60115-1 4.25.1 endurance at uct 1000 hours at 125 c without load 0.5 % iec 60115-1 4.25.3 overload test short time overload for 2 seconds 0.5 % iec 60115-1 4.13 2.5 x rated voltage or 2 x limiting element voltage thermal shock rapid change between upper and lower category temperature 0.1 % iec 60115-1 4.19 iec 60068-2-14 damp heat steady state 56 days at 40?c and 93% relative humidity 0.5 % iec 60115-1 4.24 iec 60068-2-3 resistance to soldering heat 10 seconds at 260 c solder bath temperature 0.25 % iec 60115-1 4.18 iec 60068-2-20 cecc40000 / 40400 / 40401-803 en140400 / iec 60115 ?1 applicable specifications metal film, cylindrical resistors non-linearity a 3 in db resistance value in ? 10 100 1k 10k 100k 1m 10m 60 100 non - linearity 70 80 90 110 120 current noise in v/v resistance value in ? 100 1k 10k 100k 1m 10m 0.01 1 current noise 0.05 0.1 0.5 5 10
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