www.vishay.com 29 rcmx 02, 05, 1 vishay sfernice document number: 52008 revision 06-sep-05 for technical questions, contact sfer@vishay.com vishay sfernice series nf c / cecc 83-230 power rating at 70c resistance value range tolerance and associated series maximum voltage critical resistance temperature coefficient rated in the range C 55c + 125c insulation resistance (typical) voltage coefficient environmental specifications 1% e 96 500v C 65c/+ 155c/10 days k3 50ppm/c 10 7 m ? (500vdc) 10ppm/volt 300k ? to 10m ? 0.125w rs80 2m ? 1% e96 800v 1m ? to 20m ? 0.250w rs81 2.55m ? 5% e24 1200v 2m ? to 50m ? 0.500w rs82 2.87m ? rcmx02 rcmx05 RCMX1 undergoes european quality insurance system (cecc) in ohmic value range 300k ? - 2,2 mq technical specifications features ? 0.125w to 0.5w at 70c ? nf c 83-230 ? cecc 40 100 ? resistance range: 300k ? to 50m ? ? good initial precision: up to 1% ? high stability ? accurate dimensions ? good insulation ? limiting element voltages: 500v, 800v and 1200v molded metal film high ohmic value resistors dimensions in millimeters dimen- sions series a 6.5 0.2 10.2 0.2 3.65 0.1 6.2 0.2 16 0.5 rcmx02 rcmx05 RCMX1 2,5 C0 ,2 2,5 C0.2 0.6 0.6 0.8 0.26 0.46 1.30 ? b ? c unit weight in g. 25 min. 25 min. a ? c ? b
document number: 52008 revision 06-sep-05 www.vishay.com 30 rcmx 02, 05, 1 vishay sfernice for technical questions, contact sfer@vishay.com 02 special design style series rcmx tolerance 5% ohmic value 10m ? ordering information method n optional packaging optional temperature coefficient k3 marking printed: vishay sfernice trademark, series, style, ohmic value (in ? ), tolerance (in %), temperature coef?cient, manufactur - ing date. due to lack of space rcmx02 is printed mx02. tests nf c 83-230 - cecc 40 100 load life at max. category temperature short time overload damp heat humidity (steady state) rapid temperature change climatic sequence terminal strength vibration soldering (thermal shock) load life shelf life 1000 h at 125c 33% of pn 1% insulation resist. >1g ? 0.25% 1% insulation resist. >10 2 m ? 0.25% 0.25% 0.25% 0.25% 1% insulation resist. > 1g ? C 1% insulation resist. > 100m ? 2% at 1000 h insulation resist. 10 6 m ? 0.5% 1.5% 0.25% 0.05% 0.05% 0.1% 0.5% insulation resist. 10 6 m ? 0.25% 1% insulation resist. 10 6 m ? 2.5um/5s limited to 2un 10 days with low load C 55c + 125c C 55c + 125c severity 1 pull - twist - 2 bends 10 to 500hz + 260c 10s cycle 90/30 1000h at pn at 70c 1 year ambient temperature conditions requirements typical values and drifts temperature rise rated power in watt hot spot temperature in c 20 15 10 5 0 0 0.25 0.5 0.75 1 rcmx02 rcmx05 RCMX1 ambient temperature in degrees celsius % rated power 100 50 33 0 0 30 50 70 100 125 150 power rating chart practical operating tolerances after 1000 hours load life at rated power 90/30 cycles + 70c ambient temperature, the typical total drifts, measured at + 70c, are as follows : typical total drift = drift due to t.c. (k3) + life drift 0.5%. maximum deviation from rated ohmic value including 1% manufacturing tolerance 1.5%. molded metal film high ohmic value resistors performance
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