mcr10 resistors thick film rectangular mcr10 (2012 size :1 / 8w ) ! features 1) power rating of 1 / 8w 2) highly reliable chip resistor ruthenium oxide dielectric offers superior resistance to the elements. 3) electrodes not corroded by soldering thick film makes the electrodes very strong. 4) leading the world in development and mass produc- tion. since start of production in 1982 (first in the wold), this component has established a solid reputation as a general?purpose chip resistor. 5) rohm resistors have approved iso?9001 certifica- tion. design and specifications are subject to change with- out notice. carefully check the specification sheet be- fore using or ordering it. ! ratings 0.125w (1 / 8w) [0.100w (1 / 10w)] ? ?5 c to + 155 c at 70 c item conditions specifications rated power rated voltage operating temperature nominal resistance see table 1. max. operating voltage max. overload voltage max. intermittent overload voltage 150v 200v (300v) ? 200v (300v) ? * at power rating of 0.1w, maximum overload voltage and maximum intermittent overload voltage are 300v. 0 20 40 60 80 100 55 0 70 100 155 ambient temperature ( c) power load (%) fig.1 the voltage rating is calculated by the following equation. if the value obtained exceeds the maximum operating voltage, the voltage rating is equal to the maximum operating voltage. e: rated voltage (v) p: rated power (w) r: nominal resistance ( ? ) e = p r power must be derated according to the power derating curve in figure 1 when ambient temperature exceeds 70 c .
mcr10 resistors max. 50m ? 2a 10a 55 c to + 155 c resistance rated current peak current operating temperature jumper type f ( 1%) j ( 5%) 10 r 2.2m (e24,96) (e24) (e24) (e24) 100 2.2 r < 10 500 1.0 r < 2.2 500 350 200 10 r < 10m table 1 resistance tolerance resistance range ( ? ) resistance temperature coefficient (ppm / c ) ! before using components in circuits where they will be exposed to transients such as pulse loads (short?duration, high? level l oads), be certain to evaluate the component in the mounted state. in addition, the reliability and performance of this component cannot be guaranteed if it is used with a steady state voltage that is greater than its rated voltage.
mcr10 resistors ! characteristics characteristics test method chip resistance specifications jumper type dc resistance resistance temperature characteristics insulation resistance withstand voltage intermittent overload terminal strength (against bending of circuit board) solderability resistance to dry heat endurance (under load in damp environment) endurance (steady state) resistance to humidity (steady state) temperature cycling resistance to solvents resistance to soldering heat short time overload (2.0% + 0.1 ? ) max. 50m ? (5.0% + 0.1 ? ) max. 50m ? (1.0% + 0.05 ? ) max. 50m ? (1.0% + 0.05 ? ) (3.0% + 0.1 ? ) max. 50m ? max. 100m ? f: 1% j: 5% see table 1. min. 1,000m ? between terminal and board do not damage insulation or cause a short circuit. there must be no mechanical damage. outside must not be noticeably damaged. 95% of terminal surface must be covered by new soldering, and there must be no soldering corrosion. markings must not be dissolved away. max. 50m ? jis c 5202 5.1 applied voltage: a jis c 5202 5.2 test conditions: + 25 / 55 / + 25 / + 125 c jis c 5202 5.7 test voltage: 500v jis c 5202 5.8 rated voltage (current): 2.5 (1s: on 25s: off) 10,000cyc. jis c 5202 6.1 jis c 5202 6.4 soldering conditions: 260 5 c soldering time: 10 1s. jis c 5202 7.2 155 c test time: 1,000 to 1,048 hrs. (3.0% + 0.1 ? ) (3.0% + 0.1 ? ) (3.0% + 0.1 ? ) (1.0% + 0.05 ? ) (0.5% + 0.05 ? ) max. 100m ? max. 100m ? max. 100m ? max. 50m ? max. 50m ? jis c 5202 7.10 rated voltage (current), 70 c 1.5h: on 0.5h: off test time: 1,000 to 1,048 hrs. jis c 5202 7.9 rated voltage (current), 60 c , 90%rh 1.5h: on 0.5h: off test time: 1,000 to 1,048 hrs. jis c 5202 7.5 85 c , 85%rh test time: 1,000 to 1,048 hrs. jis c 5202 7.4 test temperature: 55 c to + 125 c 100cyc. jis c 5202 6.9 room temperature, static immersion, 1 min. solvent: isopropyl alcohol jis c 5202 6.5 rosin methanol: (25%wt) soldering conditions: 235 5 c soldering time: 2.0 0.5s. jis c 5202 5.5 rated voltage (current): 2.5, 5s. maximum overload voltage: 200v jis c 5202 5.6 test voltage: 100v, 1min. assembled state test resistor insulation sheath insulation plate metal plate spring-loaded pressure r 0.5 observation point b metal block observation point a
mcr10 resistors ! external dimensions (units: mm) 0.4 0.2 1.25 0.1 0.55 0.1 0.4 0.2 2.0 0.1 no. material thick dielectric glaze of ruthenium (only silver used for jumper) thick film of palladium-silver for primary electrode nickel-coated secondary electrode external electrode coated with tin and lead alumina substrate overcoating ! packaging 0 2 0 4 0 6 0 8 0 2 0 4 0 6 0 8 c abd abcd 268 1.5 180 330 2 100 0.8 min. 80 9.4 0.5 9.5 0.5 13 0.3 13 0.2 0 3 60 9 0.3 13 0.2 + 1 0 p 0 p 2 p 1 e f w t 2 d 0 a 0 b 0 110 0.7 36 12 0.1 0 0.2 label reel taping slider shutter eiaj et-7201a compliant bulk case eiaj et-7001 compliant thick paper mount (underside paper tape) chip resistor square punchout hole heat crimp cover/tape (units: mm) (units: mm) wf ea 0 b 0 d 0 p 0 p 1 p 2 t 2 8.0 0.3 3.5 0.05 1.75 0.1 1.65 2.4 1.5 4.0 0.1 4.0 0.1 2.0 0.05 max. 1.1 + 0.1 0 + 0.2 0.1 + 0.2 0.1 (units: mm)
mcr10 resistors ! part designation mcr10 ezh fzh qzh pzhi 5,000 10,000 20,000 world wide world wide world wide world wide 10,000 f 1% 5% j packaging / processing specifications resistance tolerance special part number nominal resistance part no. 3-digit or 4-digit iec coding system part no. paper tape bulk case code packaging standard ordering unit(pcs) shipped to 10 ? or more (f class) 1 ? or more (j class) blank specify "j" for jumper also. ! dimensions 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 resistance ( ? ) length (mm) jis c 5202 4.3 sample size : n = 20pcs micrometer 1 10 100 1k 0.68 10k 100k 1m 10m fig.2 dimensions (length) 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1 10 100 1k 0.68 10k 100k 1m 10m resistance ( ? ) width (mm) jis c 5202 4.3 sample size : n = 20pcs micrometer fig.3 dimensions (width) 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 1 0.68 10 100 1k 10k 100k 1m 10m resistance ( ? ) thickness (mm) jis c 5202 4.3 sample size : n = 20pcs micrometer fig.4 dimensions (thickness) ! electrical characteristics ? 8.0 ? 6.0 ? 4.0 ? 2.0 0.0 2.0 4.0 6.0 8.0 resistance ( ? ) dc resistance (%) jis c 5202 5.1 sample size : n = 20pcs 20 c 65%rh 1 10 100 1k 0.68 10k 100k 1m 10m fig.5 dc resistance ? 900 ? 700 ? 500 ? 300 ? 100 100 300 500 700 900 resistance ( ? ) temperature coefficient (ppm/ c ) jis c 5202 5.2 sample size : n = 10pcs 25 ? c / - 55 ? c 25 ? c / 125 ? c 2.2 10 100 1k 0.68 10k 100k 1m 10m fig.6 resistance temperature characteristics ? 4.0 ? 3.0 ? 2.0 ? 1.0 0.0 1.0 2.0 3.0 4.0 resistance ( ? ) ? r / r (%) jis c 5202 5.5 sample size : n = 10pcs rated voltage 2.5 times : 5s maximum overload voltage : 200v 1 10 100 1k 0.68 10k 100k 1m 10m fig.7 short time overload
mcr10 resistors 1 2 5 10 20 50 100 resistance ( ? ) insulation resistance ( 10 10 ? ) jis c 5202 5.6 sample size : n = 10pcs metallic block method : test voltage 100v 60s 1 10 100 1k 0.68 10k 100k 1m 10m fig.8 insulation resistance ? 2.0 ? 1.5 ? 1.0 ? 0.5 0.0 0.5 1.0 1.5 2.0 resistance ( ? ) ? r / r (%) jis c 5202 5.7 sample size : n = 10pcs metallic block method : test voltage 500v 60s 1 10 100 1k 0.68 10k 100k 1m 10m fig.9 withstand voltage resistance ( ? ) ? r / r (%) jis c 5202 5.8 sample size : n = 10pcs rated voltage 2.5times 1s-on 25s-off 10,000cyc maximum intermitted overload voltage : 200v 1 10 100 1k 0.68 10k 100k 1m 10m ? 4.0 ? 5.0 ? 6.0 ? 3.0 ? 2.0 ? 1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 fig.10 intermittent overload resistance ( ? ) ? r / r (%) jis c 5202 6.1 sample size : n = 10pcs endurance with 90mm width 1 10 100 1k 0.68 10k 100k 1m 10m ? 2.5 ? 2.0 ? 1.5 ? 1.0 ? 0.5 0.0 0.5 1.0 1.5 2.5 2.0 fig.11 terminal strength (bending strength characteristics) resistance ( ? ) ? r / r (%) jis c 5202 6.4 sample size : n = 10pcs soldering condition : 260 c 10s 1 10 100 1k 0.68 10k 100k 1m 10m ? 2.5 ? 2.0 ? 1.5 ? 1.0 ? 0.5 0.0 0.5 1.0 1.5 2.5 2.0 fig.12 resistance to soldering heat ? 4.0 ? 3.0 ? 2.0 ? 1.0 0.0 1.0 2.0 3.0 4.0 resistance ( ? ) ? r / r (%) jis c 5202 7.2 sample size : n = 10pcs 155 c with no load 1,000h 1 10 100 1k 0.68 10k 100k 1m 10m fig.13 resistance to dry heat ? 4.0 ? 3.0 ? 2.0 ? 1.0 0.0 1.0 2.0 3.0 4.0 resistance ( ? ) ? r / r (%) jis c 5202 7.10 sample size : n = 10pcs 70 c 1,000h overload : the rated voltage 1 10 100 1k 0.68 10k 100k 1m 10m fig.14 endurance (rated load) ? 4.0 ? 3.0 ? 2.0 ? 1.0 0.0 1.0 2.0 3.0 4.0 resistance ( ? ) ? r / r (%) jis c 5202 7.9 sample size : n = 10pcs 60 c 95%rh 1,000h overload : the rated voltage 1 10 100 1k 0.68 10k 100k 1m 10m fig.15 endurance (under load in damp environment) ? 4.0 ? 3.0 ? 2.0 ? 1.0 0.0 1.0 2.0 3.0 4.0 resistance ( ? ) ? r / r (%) jis c 5202 7.5 sample size : n = 10pcs 85 c 85%rh with no load 1,000h 1 10 100 1k 0.68 10k 100k 1m 10m fig.16 resistance to humidity (steady state)
mcr10 resistors ? 2.5 ? 2.0 ? 1.5 ? 1.0 ? 0.5 0.0 0.5 1.0 1.5 2.5 2.0 resistance ( ? ) ? r / r (%) jis c 5202 7.4 sample size : n = 10pcs ? 55 c / 125 c 100cyc 1 10 100 1k 0.68 10k 100k 1m 10m fig.17 temperature cycling ? 2.0 ? 1.5 ? 1.0 ? 0.5 0.0 0.5 1.0 1.5 2.0 resistance ( ? ) ? r / r (%) jis c 5202 6.9 sample size : n = 10pcs ipa, 1min. 1 10 100 1k 0.68 10k 100k 1m 10m fig.18 resistance to solvents
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