MCR50 resistors thick film rectangular MCR50 (5025 size: 1 / 2w) ! features 1) made of same material as the general purpose chip resistors (mcr10 / 18). 2) highly reliable chip resistor ruthenium oxide dielectric offers superior resistance to the elements. 3) electrodes not corroded by soldering both flow and reflow soldering can be used. 4) rohm resistors have approved iso-9001 certification. design and specifications are subject to change without notice. carefully check the specification sheet supplied with the product before using or ordering it. ! ! ! ! ratings 0.5w (1 / 2w) - 55? c to + 125? c 200v 400v 400v 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 power must be derated according to the power derating curve in figure 1 when ambient temperature exceeds 70? c . 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 0 20 40 60 80 100 -55 0 70 100 125 ambient temperature ( ?c ) power load (%) fig.1 max. 50m ? 3a 15a - 55 ? c to + 125 ? c jumper type resistance rated current peak current operating temperature f ( 1%) j ( 5%) 10 r 330k 10 r < 100k (e24,96) (e24) (e24) (e24) (e24) 200 200 2.2 r < 10 500 1.0 r < 2.2 500 350 350 330k < r 560k (e24,96) 100 100 r 180k 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 lo ads), 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 u sed with a steady state voltage that is greater than its rated voltage.
MCR50 resistors ! ! ! ! characteristics 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 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 (rated load) endurance (under load in damp environment) resistance to humidity (steady state) temperature cycling resistance to solvents resistance to soldering heat short time overload (2.5% + 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 solder, 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 7.2 125 ? c test time: 11,000 to 1,048 hrs. (3.0% + 0.1 ? ) (5.0% + 0.1 ? ) (3.0% + 0.1 ? ) (1.0% + 0.05 ? ) (0.5% + 0.05 ? ) max. 100m ? max. 100m ? max. 100m ? max. 50m ? max. 100m ? 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, 95%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: 400v
MCR50 resistors ! ! ! ! external dimensions (units: mm) 0.6 0.25 2.5 0.15 0.55 0.15 0.6 0.25 5.0 0.15 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 180 0 3 60 13 0.3 13 0.2 + 1 0 a 0 p 1 p 0 p 2 b 0 f w k e d 0 label reel taping eiaj et-7001 compliant (units: mm) (units: mm) wf ea 0 b 0 d 0 p 0 p 1 p 2 k 12.0 0.3 5.5 0.05 1.75 0.1 3.4 0.2 5.6 0.2 1.5 4.0 0.1 4.0 0.1 2.0 0.05 max. 1.1 + 0.1 0
MCR50 resistors ! ! ! ! makeup of the part number MCR50 jzh lzh 4,000 10,000 world wide world wide f 1% 5% j 10 ? or more (f class) 1 ? or more (j class) part no. paper tape code packaging standard ordering unit(pcs) shipped to blank specify "j" for jumper also. packaging / processing specifications resistance tolerance special part number nominal resistance part no. 3-digit or 4-digit iec coding system ! ! ! ! dimensions 4.60 4.70 4.80 4.90 5.00 5.10 5.20 5.30 5.40 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) length (mm) fig.2 dimensions (length) jis c 5202 4.3 sample size : n = 20pcs micrometer 2.20 2.30 2.40 2.50 2.60 2.70 2.80 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) width (mm) fig.3 dimensions (width) jis c 5202 4.3 sample size : n = 20pcs micrometer 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) thickness (mm) jis c 5202 4.3 sample size : n = 20pcs micrometer fig.4 dimensions (thickness) ! ! ! ! electrical characteristics - 6.0 - 4.0 - 2.0 0 2.0 4.0 6.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) dc resistance (%) jis c 5202 5.1 sample size : n = 20pcs 20 ? c 65%rh fig.5 dc resistance - 900 - 700 - 500 - 300 - 100 100 300 500 700 900 0.68 2.2 10 100 1k 10k 100k 560k resistance ( ? ) temperature coeficient (ppm/ ? c) jis c 5202 5.2 sample size : n = 10pcs 25 ? c / - 55 ? c 25 ? c / 125 ? c fig.6 resistance temperature characteristics - 4.0 - 3.0 - 2.0 - 1.0 0 1.0 2.0 3.0 4.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 5.5 sample size : n = 10pcs rated voltage 2.5 times 5s maximum overload voltage : 400v fig.7 short time overload
MCR50 resistors 1 2 5 10 20 50 100 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) insulation resistance ( 10 10 ? ) jis c 5202 5.6 sample size : n = 10pcs metallic block method : test voltage 100v 1min. fig.8 insulation resistance - 2.0 - 1.5 - 1.0 - 0.5 0 0.5 1.0 1.5 2.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 5.7 sample size : n = 10pcs metallic block method : test voltage 500v 1min. fig.9 withstand voltage - 6.0 - 4.0 - 5.0 - 3.0 - 2.0 - 1.0 0 1.0 2.0 3.0 6.0 5.0 4.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 5.8 sample size : n = 10pcs rated voltage 2.5times 1s-on 25s-off 10,000cyc maximum intermitted over load voltage : 400v fig.10 intermittent overload - 2.0 - 1.5 - 1.0 - 0.5 0 0.5 1.0 1.5 2.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 6.1 sample size : n = 10pcs endurance with 90mm width fig.11 terminal strength (bendi- ngl strength characteristics) - 2.5 - 2.0 - 1.5 - 1.0 - 0.5 0 0.5 1.0 1.5 2.5 2.0 0.68 1 10 100 1 k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 6.4 sample size : n = 10pcs soldering condition : 260 ? c 10s fig.12 resistance to soldering heat - 4.0 - 3.0 - 2.0 - 1.0 0 1.0 2.0 3.0 4.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 7.2 sample size : n = 10pcs 125 ? c with no load 1,000h fig.13 resistance to dry heat - 4.0 - 3.0 - 2.0 - 1.0 0 1.0 2.0 3.0 4.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 7.10 sample size : n = 10pcs 70 ? c 1,000h overload : the rated voltage fig.14 endurance (rated load) - 6.0 - 4.0 - 2.0 0 2.0 6.0 4.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 7.9 sample size : n = 10pcs 60 ? c 95%rh 1,000h overload : the rated voltage fig.15 endurance (under load in damp environment) - 4.0 - 3.0 - 2.0 - 1.0 0 1.0 2.0 3.0 4.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 7.5 sample size : n = 10pcs 85 ? c 85%rh with no load 1,000h fig.16 resistance to humidity (steady state)
MCR50 resistors - 2.0 - 1.5 - 1.0 - 0.5 0 0.5 1.0 1.5 2.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 7.4 sample size : n = 10pcs - 55 ? c / 125 ? c 100cyc fig.17 temperature cycling - 1.0 - 0.8 - 0.6 - 0.4 - 0.2 0 0.2 0.4 0.6 0.8 1.0 0.68 1 10 100 1k 10k 100k 560k resistance ( ? ) ? r / r (%) jis c 5202 6.9 sample size : n = 10pcs ipa, 1min. fig. 18 resistance to solvents
|
