general note irc reserves the right to make changes in product speci?cation without notice or liability. all information is subject to ircs 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 wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com commercial grade metal oxide 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 cmo-1/4 0.25 0.3 - 50k 2, 5, 10 350 250 400 250 cmo-1/2 0.5 0.3 - 50k 250 400 250 cmo-1 1 0.3 - 50k 350 600 350 cmo-2 2 0.3 - 50k 350 600 350 cmo-3 3 5 - 100k 500 800 500 cmo-5 5 5 - 150k 750 1000 750 cmo-7 7 20 - 150k 750 1000 750 cmo-8 8 30 - 200k 750 1000 750 cmo-9 9 50 - 200k 750 1000 750 miniature size cmo-1/2s 0.5 0.3 - 50k 2, 5, 10 350 250 400 250 cmo-1s 1 0.3 - 50k 350 600 350 cmo-2s 2 0.3 - 50k 350 600 350 cmo-3s 3 0.3 - 50k 350 600 350 cmo-5ss 5 5 - 100k 500 800 500 cmo-5s 5 5 - 150k 500 800 500 cmo series ? high purity ceramic core ? non-inductive type available ? superior ?ame retardant coating ? power ratings from 1/4w to 9w ? meets eia-rc2655a requirements ? stable performance in harsh environments cmo series issue september 2008 sheet 1 of 4 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 ircs 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 wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com commercial grade metal oxide 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 cmo-1/4 0.25 0.3 - 50k 2, 5, 10 350 250 400 250 cmo-1/2 0.5 0.3 - 50k 250 400 250 cmo-1 1 0.3 - 50k 350 600 350 cmo-2 2 0.3 - 50k 350 600 350 cmo-3 3 5 - 100k 500 800 500 cmo-5 5 5 - 150k 750 1000 750 cmo-7 7 20 - 150k 750 1000 750 cmo-8 8 30 - 200k 750 1000 750 cmo-9 9 50 - 200k 750 1000 750 miniature size cmo-1/2s 0.5 0.3 - 50k 2, 5, 10 350 250 400 250 cmo-1s 1 0.3 - 50k 350 600 350 cmo-2s 2 0.3 - 50k 350 600 350 cmo-3s 3 0.3 - 50k 350 600 350 cmo-5ss 5 5 - 100k 500 800 500 cmo-5s 5 5 - 150k 500 800 500 cmo series ? high purity ceramic core ? non-inductive type available ? superior ?ame retardant coating ? power ratings from 1/4w to 9w ? meets eia-rc2655a requirements ? stable performance in harsh environments cmo series issue september 2008 sheet 1 of 4 high purity ceramic core non-inductve type available superior fame retardant coatng power ratngs from 1/4w to 9w meets eia-rc2655a requirements stable performance in harsh environments commercial grade metal oxide resistors cmo 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 wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com 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% commercial grade metal oxide resistor cmo series issue september 2008 sheet 2 of 4 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 oxide resistor cmo series
? 4222 south staples street ? corpus christi texas 78411 usa wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com physical data h d l h d commercial grade metal oxide resistor dimensions (mm) irc type d (max.) l (max.) d (0.02) h (3) standard size cmo-1/4 2.5 7.5 0.6 28 cmo - 1/2 4.0 10.0 0.6 28 cmo-1 5.0 12.0 0.7 28 cmo-2 5.5 16.0 0.8 28 cmo-3 6.5 17.5 0.8 28 cmo-5 8.5 26.0 0.8 38 cmo-7 8.5 32.0 0.8 38 cmo-8 8.5 41.0 0.8 38 cmo-9 8.5 54.0 0.8 38 miniature size cmo - 1/2s 3.0 7.5 0.6 28 cmo-1 4.5 10.0 0.7 28 cmo-2 5.0 12.0 0.7 28 cmo-3 5.5 16.0 0.8 28 cmo-5ss 6.5 17.5 0.8 28 cmo-5s 8.0 25.0 0.8 38 cmo series issue september 2008 sheet 3 of 4 ? stanar ra base color for stanar sie prouct lue color for miniature sie prouct ? stanar nonammable coatin 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 oxide resistor cmo series s s s
? 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 oxide resistor sample part no. irc type power rating (see specs table) resistance value (eia 4-digit code) (100? - first 3 signi?cant digits plus 4th digit multiplier) example: 100 ? = 1000, 1000? = 1001; 150k? = 1503 (>100? - "r" is used to designate decimal) example: 10 ? = 51r0, 1? = 1r00, 0.25? = r250 tolerance (eia format) g = 2%; j = 5%; k = 10% rohs- compliance lf = rohs compliant construction packaging tr = tape and reel only ordering data cmo 2 1001 j lf tr specify type, resistance, tolerance, rohs-compliance and packaging. this example is for a metal oxide resistor, 2-watt, 1000 ? resistor. power derating curve ambient temperature (c) temperature rise chart cmo series issue september 2008 sheet 4 of 4 c 70c 130c 60 40 20 0 20 40 60 80 100 120 140 160 180 200 240 100 80 60 40 20 0 percent rated load (%) 235c cmo 1w - 9w cmo 1/4w - 1/2w temperature rise (c) 7w, 8w, 9w 5w 3w 2w 1w 1/4w, 1/2w 250 200 150 100 50 0 25 50 75 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 oxide resistor cmo series
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