www.vishay.com for technical questions, contact: melf@vishay.com document number: 20004 30 revision: 16-sep-11 smm0204 vishay draloric thin film mini-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 ? aec-q200 qualified ? low tcr and tight tolerances ? excellent stability in different environmental conditions ? pure tin termination on nickel barrier, plated on press fit steel caps ? compliant to rohs directive 2002/95/ec notes ? smm0204 en803 e0 and omm0204 en803 e0 respective ly are available ve rsions with iecq-cecc approval to en 140401-803, version a, with nominal failure rate level e0. ? 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. notes ? the upper temperature limit of 125 c reflec ts the prescriptions of th e detail specification en 140401-803. however, the produ cts may be operated up 155 c, if the tradeoff through decreased drift st ability is acceptable to the specific application. ? 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 permitted film temperature of 125 c or 1 55 c respectively is not exceeded. ? the specification of this pro duct is based on a test board according to en 140400, providing a thermal resistance of approxima tely 220 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. ? the iecq-cecc approved product versions smm0204 en803 e0 and omm0204 en803 e0 respectively feature a quality factor ? q = 3 for the purpose of system mtbf calculations, compared with ? q = 10 for the standard versions. ** please see document ?vishay material category policy?: www.vishay.com/doc?99902 standard electrical specifications model power rating p 70 w limiting element voltage dc or ac rms v temperature coefficient ppm/k tolerance % resistance range ? e-series smm0204 0.25 200 15 0.1 0.25 0.5 43r to 221k 22r to 221k 10r to 221k 24; 96; 192 smm0204 0.25 200 25 0.1 0.25 0.5 43r to 511k 22r to 511k 10r to 1m0 24; 96; 192 smm0204 0.25 200 50 0.5 1 10r to 1m0 r82 to 10m 24; 96; 192 24; 96 smm0204 0.25 200 100 5 r22 to 10m 24 zero-ohm-resistor: omm0204 r max. = 10 m ? i max. = 3 a technical specifications parameter unit smm0204 power rating p 70 w0.25 limiting element voltage, dc or ac rms v 200 insulation voltage (1 min), dc or ac peak v 300 insulation resistance ?? 10 10 category temperature range c - 55 to + 125 (+ 155) failure rate: fit observed ? 0.1 x 10 -9 /h
document number: 20004 for technical questions, contact: melf@vishay.com www.vishay.com revision: 16-sep-11 31 smm0204 thin film mini-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 in four bands for 5 % tolerance, or in five bands. each color band appear s as a single solid line, voids are permissible if at least 2 / 3 of the band is visible from eac h radial angle of view. the last color band for tolerance is approximately 50 % wider than the other bands. ? the color of the body coating is light green for jumpers and fo r a temperature coefficient of 50 ppm/k or of 100 ppm/k, pi nk for 25 ppm/k, or violet for 15 ppm/k. ? 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 max. (mm) l 1 min. (mm) d 1 (mm) k (mm) mass (mg) smm0204 omm0204 3.6 + 0/- 0.15 1.4 1.75 d + 0/- 0.15 0.85 + 0/- 0.35 18 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) smm0204 omm0204 1.5 1.5 1.8 4.5 1.6 1.25 1.7 4.1 l 1 k d 1 d l g x y z
www.vishay.com for technical questions, contact: melf@vishay.com document number: 20004 32 revision: 16-sep-11 smm0204 vishay draloric thin film mini-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 availabl e only for products with tcr 25 ppm/k or 15 ppm/k, and with tolerance 0.25 % or 0.1 %. part number and product description part number: smm02040c5620fb000 part number: omm02040000000b000 model version tcr resistance tolerance packaging smm0204 omm0204 0 = neutral v = en 140401-803, version a, nominal failure rate level e0 e = 15 ppm/k d = 25 ppm/k 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 b = 0.1 % c = 0.25 % d = 0.5 % f = 1 % j = 5 % 0 = jumper b1 b3 b0 m3 product description: smm0204 50 562r 1 % b0 product description: omm0204 0r0 b0 smm0204 50 562r 1 % b0 - omm0204 - 0r0 - b0 - model tcr resistance tolerance packaging version smm0204 omm0204 15 ppm/k 25 ppm/k 50 ppm/k 100 ppm/k 100r = 100 ? 2m21 = 2.21 m ? 0r0 = jumper 0.1 % 0.25 % 0.5 % 1 % 5 % b1 b3 b0 m3 packaging type code quantity carrier tape width pitch reel diameter smm0204 omm0204 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" m3 3000 bulk case acc. iec 60286-6 -- - smm0204 en803 e0 omm0204 en803 e0 b1 1000 blister tape acc. iec 60286-3 type ii 8 mm 4 mm 180 mm/7" b3 3000 b0 10 000 330 mm/13" 02 m m s 040c5620fb000 02 m m o040000000b000
document number: 20004 for technical questions, contact: melf@vishay.com www.vishay.com revision: 16-sep-11 33 smm0204 thin film mini-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 power in w 0.4 0.3 0.2 0.1 0 0 10 20 30 40 50 60 temperature rise temperature rrise in c 155 125 100 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 10m 1m 100k 10k 1k 100 10 60 70 8 0 90 100 110 120 resistance value in non-linearity a 3 in db non-linearity 10m 5m 1m 500k 100k 50k 10k 5k 1k 0.01 0.03 0.05 0. 1 0.3 0.5 1 2 3 resistance value in current noise current noise in v/v 1000 500 100 50 10 5 1 - 8 0 - 60 - 40 - 20 0 20 40 60 smm0204 frequency f in mhz hf - performance phase an g le in 10 39 100 470 1 k 4.7 k 10 k 1000 500 100 50 10 5 1 - 8 0 - 60 - 40 - 20 0 20 40 60 smm0204 frequency f in mhz hf - performance |z| - r 0 in % 10 39 100 470 1 k 4.7 k 10 k
www.vishay.com for technical questions, contact: melf@vishay.com document number: 20004 34 revision: 16-sep-11 smm0204 vishay draloric thin film mini-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 functional performance 100k 10k 1k 100r 10r 10 100 1k 3k resistance value in test volta g e in v sin g le pulse hi g h volta g e overload capability 1.2/50 acc. en 60115-1, 4.27 100k 10k 1k 100r 10r 10 100 1k 3k resistance value in test volta g e in v sin g le pulse hi g h volta g e overload capability 10/700 acc. en 60115-1, 4.27 10 1 10 -1 10 -2 10 -3 10 -4 10 -5 0.1 1 10 100 1000 smm0204 pulse load p peak max. in w pulse ratin g p p 70 square pulse t i in s secondary conditions: a) p p 70 (permissible constant power at ? u 70 c) b) ? u 70 c c) u max. see diagram (max. p u lse v oltage) pulse ratin g p 0 10 1 10 -1 10 -2 10 -3 10 -4 10 -5 0.1 1 10 100 1000 square pulse t i in s smm0204 secondary conditions: a) p 0 (peak pulse, single pulse) b) ? u 70 c c) u max. see diagram (max. p u lse v oltage) pulse load p peak max. in w 0 200 400 600 square pulse t i in s pulse volta g e ? max. in v maximum pulse volta g e 8 00 1000 10 1 10 -1 10 -2 10 -3 10 -4 10 -5 smm0204 -ms1 secondary conditions: a) p see diagram (pulse rating) b) ? u 70 c
document number: 20004 for technical questions, contact: melf@vishay.com www.vishay.com revision: 16-sep-11 35 smm0204 thin film mini-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 note (1) for resistance > 2m21: (2.0 % r + 0.05 ? ). 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 332 k ? 1 ? to 10 ? < 1 ? > 332 k ? 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 ? ) (1) 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. ; 2 s (0.05 % r + 0.01 ? ) (0.1 % r + 0.05 ? ) electrostatic discharge (hbm) iec 60340-3-1 3 positive + 3 negative discharges 2 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 p 70 x r p 70 x r p 70 x r p 70 x r
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