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| Commercial Grade Metal Oxide Resistor CMO Series * * * * * * High purity ceramic core Non-inductive type available Superior flame retardant coating Power ratings from 1/4W to 9W Meets EIA-RC2655A requirements Stable performance in harsh environments 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 CMO-1/2 CMO-1 CMO-2 CMO-3 CMO-5 CMO-7 CMO-8 CMO-9 Miniature Size CMO-1/2S CMO-1S CMO-2S CMO-3S CMO-5SS CMO-5S 0.5 1 2 3 5 5 0.3 - 50K 0.3 - 50K 0.3 - 50K 2, 5, 10 0.3 - 50K 5 - 100K 5 - 150K 350 350 500 500 600 800 800 350 500 500 250 350 350 400 600 600 250 350 350 0.25 0.5 1 2 3 5 7 8 9 0.3 - 50K 0.3 - 50K 0.3 - 50K 0.3 - 50K 5 - 100K 5 - 150K 20 - 150K 30 - 200K 50 - 200K 2, 5, 10 350 250 250 350 350 500 750 750 750 750 400 400 600 600 800 1000 1000 1000 1000 250 250 350 350 500 750 750 750 750 General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC's own data and is considered accurate at time of going to print. Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com A subsidiary of TT electronics plc CMO Series Issue September 2008 Sheet 1 of 4 Commercial Grade Metal Oxide Resistor Environmental Data Short-time overload Dielectric withstanding voltage Terminal strength Resistance to Soldering heat Pulse Overload Solderability Resistance to solvent Temperature cycling Load life in humidity Load life R/R (0.5% + 0.05), with no evidence of mechanical damage. No evidence of flashover, mechanical damage, arcing or insulation breakdown. No evidence of mechanical damage. R/R (1% + 0.05), with no evidence of mechanical damage. R/R (1% + 0.05), with no evidence of mechanical damage. Minimum 95% coverage. No deterioration of protective coating and markings. R/R (1% + 0.05), with no evidence of mechanical damage. Standard type: R/R 3% for <100K, 5% for 100K; Standard type: R/R 1.5% Flame retardant type: R/R 5% Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com CMO Series Issue September 2008 Sheet 2 of 4 Commercial Grade Metal Oxide Resistor Physical Data d D H L H Dimensions (mm) IRC Type Standard Size CMO-1/4 CMO - 1/2 CMO-1 CMO-2 CMO-3 CMO-5 CMO-7 CMO-8 CMO-9 Miniature Size CMO - 1/2S CMO-1 CMO-2 CMO-3 CMO-5SS CMO-5S D (max.) 2.5 4.0 5.0 5.5 6.5 8.5 8.5 8.5 8.5 3.0 4.5 5.0 5.5 6.5 8.0 L (max.) 7.5 10.0 12.0 16.0 17.5 26.0 32.0 41.0 54.0 7.5 10.0 12.0 16.0 17.5 25.0 d (0.02) 0.6 0.6 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.6 0.7 0.7 0.8 0.8 0.8 H (3) 28 28 28 28 28 38 38 38 38 28 28 28 28 28 38 * Standard gray base color for standard size product; Blue color for miniature size product * Standard non-flammable coating Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com CMO Series Issue September 2008 Sheet 3 of 4 Commercial Grade Metal Oxide Resistor Power Derating Curve Percent Rated Load (%) 100 80 60 40 20 0 -60 -40 -20 0 20 CMO 1/4W - 1/2W CMO 1W - 9W -55C 70C 130C 235C 40 60 80 100 120 140 160 180 200 240 Ambient Temperature (C) Temperature Rise Chart Temperature Rise (C) 250 200 150 100 50 0 25 50 75 7W, 8W, 9W 5W 3W 2W 1W 1/4W, 1/2W Ordering Data Specify type, resistance, tolerance, RoHS-Compliance and packaging. This example is for a Metal Oxide Resistor, 2-watt, 1000 resistor. Sample Part No. IRC Type Power Rating CMO 2 1001 J LF TR (See specs table) (100 - First 3 significant 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 Resistance Value (EIA 4-digit code) Tolerance (EIA format) G = 2%; J = 5%; K = 10% RoHS- compliance Packaging LF = RoHS compliant construction TR = tape and reel only (c) IRC Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com CMO Series Issue September 2008 Sheet 4 of 4 |
Price & Availability of CMO
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