www.vishay.com for technical questions, contact: melf@vishay.com document number: 20003 26 revision: 16-aug-11 SMM0102 vishay draloric thin film micro-melf resistors this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 features ? advanced thin film technology ? low tcr and tight tolerances ? excellent stability ? pure tin termination on nickel barrier, plated on press fit steel caps ? compliant to rohs directive 2002/95/ec note (1) permissible dissipation depends on the maximum temperature at the solder joint, the component placement density, the substrate material and pcb layout. notes ? the power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow suppo rt of the printed-circuit board (thermal resistance). the rated dissipation applies only if the pe rmitted film temperature of 125 c is n ot exceeded. ? the specification of this pro duct is based on a test board according to en 140400, providing a thermal resistance of approxima tely 275 k/w. ? these resistors do not feature a limited lifetime when operated within the permissible limits. however, resistance value drift increasing over operating time may result in exceeding a limi t acceptable to the specific application, thereby est ablishing a functional lifeti me. ** please see document ?vishay material category policy?: www.vishay.com/doc?99902 standard electrical specifications model power rating (1) p 70 w limiting element voltage dc or ac rms v temperature coefficient ppm/k tolerance % resistance range ? e-series SMM0102 0.2 150 15 0.1 100r to 100k 24; 96 SMM0102 0.2 150 25 0.1 100r to 100k 24; 96 SMM0102 0.2 150 50 1.0 10r to 2m21 24; 96 zero-ohm-resistor: omm0102 r max. = 10 m ? i max. = 2 a technical specifications parameter unit SMM0102 power rating p 70 w0.2 limiting element voltage, dc or ac rms v 150 insulation voltage (1 min), dc or ac peak v 200 thermal resistance k/w ? 250 insulation resistance ?? 10 9 category temperature range c - 55 to + 125 failure rate: fit observed ? 0.1 x 10 -9 /h
document number: 20003 for technical questions, contact: melf@vishay.com www.vishay.com revision: 16-aug-11 27 SMM0102 thin film micro-melf resistors vishay draloric this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 dimensions notes ? color code marking is applied according to iec 60062 (1) in five bands. each color band appears as a single solid line, voids are permissible if at least 2 / 3 of the band is visible from each radial angle of view. the last color band fo r tolerance is approximately 50 % wider than the other bands. an interrupted band between the 4 th and 5 th full band indicates the temperature c oefficient (yellow = tc25, orange = tc15). ? zero ohm jumper are marked with one centered black band. pattern styles for melf resistors note ? the given solder pad dimensions reflect the considerations for board design and assembly as outlined e.g. in standards iec 611 88-5-x, or in publication ipc-7351. they do not guarantee any supposed thermal properties, however, they wi ll be found adequate for most gene ral applications. dimensions and mass type l (mm) d (mm) l 1 min. (mm) d 1 (mm) k (mm) mass (mg) SMM0102 omm0102 2.2 + 0/- 0.15 1.1 + 0/- 0.1 1.2 d + 0/- 0.1 0.4 0.05 7 recommended solder pad dimensions type wave soldering reflow soldering g (mm) y (mm) x (mm) z (mm) g (mm) y (mm) x (mm) z (mm) SMM0102 omm0102 0.7 1.2 1.5 3.1 1.1 0.8 1.3 2.7 l 1 k d 1 d l g x y z
www.vishay.com for technical questions, contact: melf@vishay.com document number: 20003 28 revision: 16-aug-11 SMM0102 vishay draloric thin film micro-melf resistors this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 note ? products can be ordered using either the part number or the product description. note (1) package of 1000 pieces, code b1, is available only for products with tolerance 0.1 %. part number and product description part number: SMM01020d5620bb300 part number: omm01020000000b300 model version tcr resistance tolerance packaging SMM0102 omm0102 0 = neutral e = 15 ppm/k d = 25 ppm/k c = 50 ppm/k 0 = jumper 3 digit value 1 digit multiplier 0000 = jumper multiplier 9 = *10 -1 2 = *10 2 0 = *10 0 3 = *10 3 1 = *10 1 4 = *10 4 b = 0.1 % f = 1 % 0 = jumper b1 b3 b0 m8 product description: SMM0102 25 562r 0.1 % b3 product description: omm0102 0r0 b3 SMM0102 25 562r 0.1 % b3 omm0102 - 0r0 - b3 model tcr resistance tolerance packaging SMM0102 omm0102 15 ppm/k 25 ppm/k 50 ppm/k 100 = 100 ? 2m21 = 2.21 m ? 0r0 = jumper 0.1 % 1 % b1 b3 b0 m8 packaging type code quantity carrier tape width pitch reel diameter SMM0102 omm0102 b1 (1) 1000 (1) blister tape acc. iec 60286-3 type ii 8 mm 4 mm 180 mm/7" b3 3000 b0 10 000 330 mm/13" 01 m m s 020d5620bb300 01 m m o020000000b300
document number: 20003 for technical questions, contact: melf@vishay.com www.vishay.com revision: 16-aug-11 29 SMM0102 thin film micro-melf resistors vishay draloric this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 functional performance 150 125 100 75 70 50 25 0 - 25 - 55 0 20 40 60 8 0 100 120 ambient temperature in c function of rated power in % deratin g test procedures and requirements test conditions of test requirements permissible change ( ? r ) < 221 k ? > 221 k ? endurance test at 70 c iec 60115-1, 4.25.1 1000 h at 70 c, 1.5 h ?on?, 0.5 h ?off? 8000 h at 70 c, 1.5 h ?on?, 0.5 h ?off? 0.25 % r 0.5 % r 0.5 % r 1 % r endurance at uct iec 60115-1, 4.25.3 1000 h at 125 c without load 0.25 % r 1 % r overload test iec 60115-1, 4.13 short time overload for 2 s at 6.25 x rated power 0.1 % r 0.15 % r thermal shock iec 60115-1, 4.19 and iec 60068-2-14 rapid change between lct = - 55 c and uct = 125 c, 5 cycles 0.1 % r 0.15 % r damp heat steady state iec 60115-1, 4.24 and iec 60068-2-78 56 days at 40 c and 93 % relative humidity 0.5 % r 1 % r resistance to soldering heat iec 60115-1, 4.18 and iec 60068-2-58 10 s at 260 c solder bath temperature 0.1 % r 0.25 % r applicable specifications ? en 60115-1 generic specification ? en 140400 sectional specification ? en 140401-803 detail specification ? iec 60068-2-x variety of environmental test procedures ? iec 60286-3 packaging of smd components
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