thin film melf resistors www.vishay.com for technical questions, contact: melf@vishay.com document number: 20005 36 revision: 28-jun-11 SMM0207 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 features ? melf resistor with high power rating ? aec-q200 qualified ? advanced thin film technology ? 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 and the substra te material. 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 155 c is n ot exceeded. ? the specification of this pr oduct is based on a test board, providing a thermal resistance of approximately 85 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 SMM0207 1.0 350 50 0.5 1r0 to 2m21 24; 96 SMM0207 1.0 350 50 1 1r0 to 10m 24; 96 SMM0207 1.0 350 100 5 r16 to r91 24 zero-ohm-resistor: omm0207 r max. = 10 m ?? i max. = 5 a technical specifications parameter unit SMM0207 power rating p 70 w1 limiting element voltage, dc or ac rms v 350 insulation voltage (1 min), dc or ac peak v 500 insulation resistance ?? 10 10 category temperature range ? c - 55 to + 155 failure rate: fit observed ? 0.1 x 10 -9 /h
document number: 20005 for technical questions, contact: melf@vishay.com www.vishay.com revision: 28-jun-11 37 SMM0207 thin film 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. ? zero ohm jumper are marked with one centered black band. pattern styles for melf resistors notes ? 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. ? the specified dissipation of 1 w relies on special support from the printed-circuit board in order to achieve the required hea t flow. specification of a particular conductor size is not feas ible since its thermal performance depends on a variety of influences from the actual pcb design and from the applicat ion environment. dimensions and mass type l (mm) d max. (mm) l 1 min. (mm) d 1 (mm) k (mm) mass (mg) SMM0207 omm0207 5.8 + 0/- 0.3 2.2 2.6 d + 0/- 0.2 1.25 0.2 77 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) SMM0207 omm0207 2.4 2.3 2.6 7.0 2.6 2.0 2.4 6.6 l 1 k d 1 d l g x y z
www.vishay.com for technical questions, contact: melf@vishay.com document number: 20005 38 revision: 28-jun-11 SMM0207 vishay draloric thin film 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. part number and product description part number: SMM02070c5620fbs00 part number: omm02070000000bs00 model version tcr resistance tolerance packaging SMM0207 omm0207 0 = neutral c = 50 ppm/k b = 100 ppm/k 0 = jumper 3 digit value 1 digit multiplier 0000 = jumper multiplier 7 = *10 -3 2 = *10 2 8 = *10 -2 3 = *10 3 9 = *10 -1 4 = *10 4 0 = *10 0 5 = *10 5 1 = *10 1 d = 0.5 % f = 1 % j = 5 % 0 = jumper bp bs product description: SMM0207 50 562r 1 % bs product description: omm0207 0r0 bs SMM0207 50 562r 1 % bs omm0207 - 0r0 - bs model tcr resistance tolerance packaging SMM0207 omm0207 50 ppm/k 100 ppm/k 100r = 100 ? 2m21 = 2.21 m ? 0r0 = jumper 0.5 % 1 % 5 % bp bs packaging type code quantity carrier tape width pitch reel diameter SMM0207 omm0207 bp 1500 blister tape acc. iec 60286-3 type ii 12 mm 4 mm 180 mm/7" bs 7500 330 mm/13" 02 m m s070c5620fbs00 02 m m o070000000bs00
document number: 20005 for technical questions, contact: melf@vishay.com www.vishay.com revision: 28-jun-11 39 SMM0207 thin film 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 - 55 - 25 0 25 50 75 100 125 155 0 20 40 60 8 0 100 120 70 function of rated power in % deratin g ambient tempertature in c 10 -5 10 -4 10 -3 10 -2 10 -1 1 10 square pulse t i in s 1000 100 10 1 0.1 pulse rating p < p 70 secondary conditions: a) p < p 70 (permissible con stant power at ? u = 70 c) b) ? u 70 c c) ? max. see diagram (max. pulse voltage) pulse load p peak max. in w SMM0207 10 -5 10 -4 10 -3 10 -2 10 -1 1 10 square pulse t i in s 1000 100 10 1 0.1 secondary conditions: a) p 0 b ) ? u 70 c c) ? max. see diagram (max. p u lse v oltage) pulse ratin g p 0 pulse load p peak max. in w SMM0207 10 -5 10 -4 10 -3 10 -2 10 -1 1 10 1 8 00 1600 1400 1200 1000 8 00 600 400 200 0 square pulse t i in s maximum pulse volta g e pulse vo lta g e ? max. in v secondary conditions: a) p see diagrams (p u lse rating) b ) ? u 70 c SMM0207 resistance va l ue in 10r 100r 1k 10k 100k 10 100 sin g le pulse hi g h volta g e overload capability 1.2/50 acc. en 60115-1, 4.27 1k 3k t est vo lta g e in v 10r 100r 1k 10k 100k 10 100 1k 3k resistance va l ue in sin g le pulse hi g h volta g e overload capability 10/700 acc. en 60115-1, 4.27 t est vo lta g e in v
www.vishay.com for technical questions, contact: melf@vishay.com document number: 20005 40 revision: 28-jun-11 SMM0207 vishay draloric thin film 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 test procedures and requirements test conditions of test requirements permissible change ( ? r ) stability class 0.25 stability class 0.5 stability class 1 stability class 2 10 ? to 1 m ? 1 ? to 10 ? < 1 ? > 1 m ? endurance test at 70 c iec 60115-1, 4.25.1 u = ? u max. ; 1.5 h ?on?, 0.5 h ?off? at 70 c, 1000 h (0.25 % r + 0.05 ? ) (0.5 % r + 0.05 ? ) at 70 c, 8000 h (0.5 % r + 0.05 ? ) (1.0 % r + 0.05 ? ) endurance at uct iec 60115-1, 4.25.3 at 125 c, 1000 h (0.25 % r + 0.05 ? ) (0.5 % r + 0.05 ? ) damp heat steady state 40 c/93 % rh iec 60115-1, 4.24 and iec 60068-2-78 56 days; u = 0.1 x ; u max. = 20 v (0.25 % r + 0.05 ? ) (0.5 % r + 0.05 ? ) damp heat steady state accelerated 85 c/85 % rh 1000 h; u = 0.3 x ; u max. = 40 v (1.0 % r + 0.05 ? ) (2.0 % r + 0.05 ? ) rapid change of temperature; 1000 cycles iec 60115-1, 4.19 and iec 60068-2-14 30 min at lct; 30 min at uct; lct = - 55 c; uct = 125 c (0.25 % r + 0.05 ? ) overload test iec 60115-1, 4.13 u = 2.5 x ? 2 x u max. ; 5 s (0.05 % + 0.01 ? / r ) (0.1 % r + 0.05 ? ) electrostatic discharge (hbm) iec 60340-3-1 3 positive + 3 negative discharges 4 kv (0.5 % r + 0.05 ? ) resistance to soldering heat iec 60115-1, 4.18.2 and iec 60068-2-58 solder bath method (260 5) c; 10 s (0.05 % r + 0.01 ? ) (0.1 % r + 0.05 ? ) 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 resistance value in 10 100 1k 10k 100k 1m 10m 60 100 non-linearity 70 8 0 90 11 0 120 non-linearity a 3 in db resistance value in 100 1k 10k 100k 1m 10m 0.01 1 current noise 0.05 0.1 0.5 5 10 current noise in v/v p 70 x r p 70 x r p 70 x r p 70 x r
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