general note irc reserves the right to make changes in product speci? cation without notice or liability. all information is subject to irc?s own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc 4222 south staples street corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 facsimile: 361 992 3377 website: www.irctt.com commercial grade metal film resistor electrical data irc type power rating at 70c (w) resistance range (ohms) tolerance (%) tcr (ppm/c) max. working voltage (v) max. overload voltage (v) dielectric withstanding voltage (v) standard size CMF-1/8 0.125 10 - 1m 1 100 200 400 400 CMF-1/4 0.25 250 500 500 CMF-1/2 0.5 350 700 700 CMF-1 1 500 1000 1000 CMF-2 2 500 1000 1000 CMF-3 3 500 1000 1000 CMF series metal film resistor conformal coating power ratings from 1/8w to 3w resistance range from 10 to 1m short-time overload r/r (0.5% + 0.05 ), with no evidence of mechanical damage. dielectric withstanding voltage no evidence of ? ashover, mechanical damage, arcing or insulation breakdown. terminal strength no evidence of mechanical damage. resistance to soldering heat r/r (1% + 0.05 ), with no evidence of mechanical damage. pulse overload r/r (1% + 0.05 ), with no evidence of mechanical damage. solderability minimum 95% coverage. resistance to solvent no deterioration of protective coating and markings. temperature cycling r/r (1% + 0.05 ), with no evidence of mechanical damage. load life in humidity standard type: r/r 3% for <100k , 5% for 100k; load life standard type: r/r 1.5% flame retardant type: r/r 5% CMF series issue may 2009 sheet 1 of 3 bi technologies irc welwyn 09.17 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronics.com/resistors general note irc reserves the right to make changes in product speci? cation without notice or liability. all information is subject to irc?s own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc 4222 south staples street corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 facsimile: 361 992 3377 website: www.irctt.com commercial grade metal film resistor electrical data irc type power rating at 70c (w) resistance range (ohms) tolerance (%) tcr (ppm/c) max. working voltage (v) max. overload voltage (v) dielectric withstanding voltage (v) standard size CMF-1/8 0.125 10 - 1m 1 100 200 400 400 CMF-1/4 0.25 250 500 500 CMF-1/2 0.5 350 700 700 CMF-1 1 500 1000 1000 CMF-2 2 500 1000 1000 CMF-3 3 500 1000 1000 CMF series metal film resistor conformal coating power ratings from 1/8w to 3w resistance range from 10 to 1m environmental data short-time overload r/r (0.5% + 0.05 ), with no evidence of mechanical damage. dielectric withstanding voltage no evidence of ? ashover, mechanical damage, arcing or insulation breakdown. terminal strength no evidence of mechanical damage. resistance to soldering heat r/r (1% + 0.05 ), with no evidence of mechanical damage. pulse overload r/r (1% + 0.05 ), with no evidence of mechanical damage. solderability minimum 95% coverage. resistance to solvent no deterioration of protective coating and markings. temperature cycling r/r (1% + 0.05 ), with no evidence of mechanical damage. load life in humidity standard type: r/r 3% for <100k , 5% for 100k; load life standard type: r/r 1.5% flame retardant type: r/r 5% CMF series issue may 2009 sheet 1 of 3 metal flm resistor conformal coatng power ratngs from 1/8w to 3w resistance range from 10? to 1m? commercial grade metal film resistor CMF series resistors all parts are pb-free and comply with eu directve 2011/65/eu (rohs2)
4222 south staples street corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 facsimile: 361 992 3377 website: www.irctt.com physical data commercial grade metal film resistor h d lh d CMF series issue may 2009 sheet 2 of 3 dimensions (mm) irc type d (max.) l (max.) d (0.02) h (3) standard size CMF-1/8 1.85 3.5 0.5 28 CMF-1/4 2.5 6.8 0.6 28 CMF-1/2 3.5 10.0 0.6 28 CMF-1 5.0 12.0 0.7 28 CMF-2 5.5 16.0 0.8 28 CMF-3 6.5 17.5 0.8 28 bi technologies irc welwyn 09.17 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronics.com/resistors commerical grade metal film resistor CMF series
4222 south staples street corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 facsimile: 361 992 3377 website: www.irctt.com commercial grade metal film resistor sample part no. irc type CMF - metal film resistor power rating (see specs table) resistance value (eia 4-digit code) (100 - first 3 signi? cant digits plus 4th digit multiplier) example: 100 ohms = 1000, 1000 ohms = 1001 (>100 - "r" is used to designate decimal) example: 10 = 10r0, 1 = 1r00, 51 = 51r0 tolerance f = 1%; g = 2%; j = 5% rohs- compliance lf = rohs compliant construction packaging tr = tape and reel only ordering data CMF - 1 1001 f lf tr specify type, resistance, tolerance, rohs-compliance and packaging. this example is for a metal film resistor, 1-watt, 1000 resistor. derating curve -55c +70c +155c -60 -30 0 30 60 90 120 150 180 100 80 60 40 20 ambient temperature (c) percent rated load (%) hot spot temperature curve 25 50 75 100 200 150 100 50 0 CMF-200 CMF-100 CMF-50 CMF-25 CMF-12 CMF series issue may 2009 sheet 3 of 3 measuring position bi technologies irc welwyn 09.17 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronics.com/resistors commerical grade metal film resistor CMF series
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