www.vishay.com 37 RCMT vishay sfernice document number: 52011 revision 16- j ul-02 for technical questions, contact sfer@vishay.com manufacturing tolerance drift due to t.c. (k4) + life drift max. total deviation from nominal ohmic value, including the manufac- turing tolerance 1% 0.35% 1.35% 0.1% 0.25% 0.35% t.c. code k5 k4 k3 temperature range 0c + 155c ? 55c + 175c ? 55c + 175c nominal temperature coefficient 15 ppm/ c ?25ppm/ c ?50ppm/ c typical temperature coefficient ?10ppm/ c ?15ppm/ c ?30ppm/ c temperature range 0 c + 70 c ? 10 c + 70 c ? 10 c + 70 c environmental specifications insulation resistance >10 7 m ? voltage coef cient 10ppm/volt environmental speci cations ? 65 c/+ 175 c/56 days practical operating tolerances after the 10000 hours load life test, at nominal power rating, 90 ? /30 ? cycles, +125 c ambient temperature, the total actual drifts measured at +125 c are the following: molded metal film high stability high temperature high precision resistors features 0.1w to 2w at 125 c nf c 83-230 cecc 40 101-044 high climatic performance - 65 c/+ 175 c/56 days high stability tight temperature coef cient to ?15ppm/? temperature coef cient tracking 5ppm/? wide ohmic range tight tolerances up to ?0.1% matching tolerance 0.05% the performance of the RCMT resistors exceed the require- ments of nf c 83-230 and m il-r-55182 standards. they are, particularly, relevant to the more stringent military and industrial applications especially when high ambient temperatures such as + 175 c are to be encountered. the RCMT resistors are quali ed and released to the nf c ute 83-230 standard styles rs56c, rs60e and c, rs65e and c, rs70e and c. dimensions in millimeters 4.32 2.03 0.4 0.11 6.7 2.5 0.6 0.28 10.4 3.66 0.6 0.46 16.5 6.4 0.8 1.3 19.3 6.4 0.8 1.5 29 10.2 0.8 4.4 54 10.2 0.8 13 a max. b max. c unit weight in g RCMT 01 RCMT 02 RCMT 05 RCMT 08 RCMT 1 RCMT 2 RCMT 4 25 min. 25 min. a c b temperature coefficient series dimen- sions
document number: 52011 revision 16- j ul-02 www.vishay.com 38 RCMT vishay sfernice for technical questions, contact sfer@vishay.com ambient temperature in degrees celsius % rated power 100 50 0 0 25 50 70 100 125 150 175 power rating chart temperature rise rated power in watt hot spot temperature in c 40 30 20 10 0 0 0.5 1 1.50 2 RCMT 1 RCMT 2 RCMT4 RCMT 02 molded metal film high stability high temperature high precision resistors undergoes european quality insurance system (cecc) k3 0.2% 0.5% 1% 0.1% 0.2% 0.5% 1% 0.1% 0.2% 0.5% 1% k4 k5 vishay sfernice series nf c 83-230 cecc 40 101-044 mil-r-55182 power rating at +70 c power rating at +125 c maximum voltage critical resistance resistance value range in relation to temperature coefficient tolerance RCMT 01 k3 RCMT 01 k4 RCMT 02 k3 RCMT 02 k4 RCMT 05 k3 RCMT 05 k4 RCMT 08 k3 RCMT 08 k4 RCMT 1 k3 RCMT 1 k4 RCMT 2 k3 RCMT 2 k4 RCMT 4 k3 RCMT 04 k4 rs 56c rs 56e rs 60c rs 60e rs 65c rs 65e rs 70c rs 70e rnr 50h rnr 50j rnr 55h rnr 55j rnr 60h rnr 60j rnr 65h rnr 65j rnr 70h rnr 70j rnr 75h rnr 75j 0.063w 0.125w 0.25w 0.5w 1w 2w 4w 0.05w 0.1w 0.125w 0.25w 0.5w 1w 2w 10 ? 511k ? 10 ? 332k ? 10 ? 332k ? 10 ? 1m ? 10 ? 1m ? 10 ? 1m ? 10 ? 2.5m ? 49.9 ? 511k ? 1 ? 332k ? 1 ? 1m ? 1 ? 1.5m ? 1 ? 2m ? 1 ? 2.5m ? 1 ? 5m ? 1 ? 511k ? 1 ? 332k ? 1 ? 1m ? 1 ? 1.5m ? 1 ? 2m ? 1 ? 2.5m ? 1 ? 5m ? 100 ? 100k ? 10 ? 100k ? 10 ? 332k ? 10 ? 750k ? 10 ? 750k ? 10 ? 1m ? 10 ? 2m ? 100 ? 100k ? 10 ? 332k ? 10 ? 1m ? 10 ? 1.5m ? 10 ? 2m ? 10 ? 2.5m ? 10 ? 2.5m ? 49.9 ? 100k ? 10 ? 332k ? 10 ? 332k ? 10 ? 1m ? 10 ? 1m ? 10 ? 1m ? 10 ? 2.5m ? 200v 300v 350v 400v 500v 600v 800v 980k ? 640k ? 500k ? 360k ? 320k ? technical specifications
www.vishay.com 39 RCMT vishay sfernice document number: 52011 revision 16- j ul-02 for technical questions, contact sfer@vishay.com tests nf c 83-230 - cecc 40 101-044 load life at maximum category temperature short time overload dielectric voltage damp heat humidity (steady state) rapid temperature change climatic sequence terminal strength vibration soldering (thermal shock) load life shelf life 2 un/ 1 mn 1000 h at +155 c 0% of pr 0.25% 0.5% 0.5% 0.1% 0.1% 0.1% 0.1% 0.5% 0.25% 0.5% insulation resist. >10 3 m ? 0.05% or 0.05 ? < 0.05% or 0.05 ? 0.25% or 0.05 ? 0.2% or 0.05 ? insulation resist. >10 6 m ? 0.05 % or 0.05 ? 0.05% or 0.05 ? 0.05% or 0.05 ? 0.05% or 0.05 ? 0.15% or 0.05 ? 0.25% or 0.05 ? < 0.05% 0.2% or 0.05 ? insulation resist. >10 6 m ? 2,5 um / 5 s limited to 2 un 56 days with low load 55 c + 175 c 65 c + 175 c severity 1 pull - twist - 2 bends severity 55 b + 260 c 10 s cycle 90 /30 70 c ambient 1000 h at pn 10000 h at pn 1 year ambient temperature conditions requirements typical values and drifts noise level in a frequency decade, the average noise level is 0,1 v/v for models RCMT08, RCMT1, RCMT2 and RCMT4 in all ohmic values. it progressively increases as a function of the ohmic value and can reach 0.2 v/v for the highest values of models RCMT02 and RCMT05 (0.1 v/v for r<10 k ? ). special applications temperature coef cient tracking to 5 ppm. tolerance matching to 0.05%. selection of positive or negative t.c. in temperature range of 20 c to + 125 c. for these applications and other requirements consult vishay sfernice. recommendation the lower the ohmic value the more important is the in u- ence of lead resistance on measurements. the nominal resistance value, therefore is measured at a distance of 5 mm from resistor body. molded metal film high stability high temperature high precision resistors performance 02 special design style series RCMT tolerance 0.5% ohmic value 332k ? ordering information method n optional packaging optional temperature coefficient k5 marking printed: series, style, nf style if applicable, ohmic value (in ? ), tolerance (in %), temperature coef cient, manufacturing date. due to lack of space, RCMT 02 is referenced as mt 02.
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