cial Grade Commercial Grade m Resistor Metal Film Resistor Commercial Grade Metal filmFilm resistor Resistor *Metal CMF Series * Conformal coating * Power ratings from 1/8W to 3W * Resistance range from 10 to 1M CMF Series * Metal film resistor 8W to 3W * Conformal coating m 10: to* Power 1M:ratings from 1/8W to 3W ta wer ng at C (W) 125 25 .5 1 2 3 * Resistance range from 10: to 1M: Electrical Data IRC Type Power Rating at 70C (W) Resistance Range CMF-1/8 0.125 (Ohms) Standard Size CMF-1/4 0.25 CMF-1/2 0.5 Resistance Range (Ohms) Tolerance (%) Tolerance (%) 10 - 1M TCR (ppm/C) TCR (ppm/C) 1 Max. Working Voltage (V) Max. Overload Voltage (V) 250 500 350 700 700 500 1000 1000 1000 400 1000 Max. Working 200 400 Voltage (V) 100 CMF-1 1 CMF-2 2 500 CMF-3 3 500 Environmental Data 10 - 1M Short-time overload 1 200 250 Dielectric Withstanding Voltage (V) Max. Overload 400 Voltage (V) 1000 350 100 500 1000 500 700 'R/R (0.5% + 0.05:), with no evidence of mechanical damage. 500 1000 Dielectric withstanding voltage No evidence of flashover, mechanical damage, arcing or insulation breakdown. Terminal strength No evidence of mechanical damage. Resistance to Soldering heat 500 1000 'R/R (1% + 0.05:), with no evidence of mechanical damage. 500 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% al Data ng voltage General Note General Note No evidence of flashover, mechanical damage, arcing or insulation br All information is subject to TT electronics' own data and is considered accurate at time of going to print. (c) IRC Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA No evidence of mechanical damage. Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com ing heat 1000 'R/R (0.5% + 0.05:), with no evidence of mechanical damage. IRC reserves the right to make changes in product specification without notice or liability. All is subject to IRC's datato andmake is considered accurate at time ofspecification going to print. without notice or liability. TTinformation electronics reserves theown right changes in product (c) TT electronics plc Di With Vo A subsidiary of TT electronics plc www.bitechnologies.com www.irctt.com www.welwyn-tt.com CMF Series Issue May 2009 Sheet 1 of 3 09. 11 'R/R (1% + 0.05:), with no evidence of mechanical damage. Commercial Grade Commercial Grade Resistor Metal Film Metal Film Resistor CMF Series Physical Data d D H L H Dimensions (mm) Standard Size IRC Type D (max.) L (max.) d (0.02) H (3) 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 (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 CMF Series Issue May 2009 Sheet 2 of 3 General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 09. 11 Commercial Grade Metal Film Resistor CMF Series Commercial Grade Metal Film Resistor Derating Curve Percent Rated Load (%) 100 Hot Spot Temperature Curve +155C +70C -55C 200 Measuring position 80 150 CMF-200 60 100 CMF-100 50 CMF-50 CMF-25 CMF-12 40 20 -60 -30 0 30 60 90 0 120 150 180 25 50 75 100 Ambient Temperature (C) Ordering Data Specify type, resistance, tolerance, RoHS-Compliance and packaging. This example is for a Metal Film Resistor, 1-watt, 1000: resistor. Sample Part No. CMF - 1 1001 F LF TR IRC Type CMF - Metal Film Resistor Power Rating (See specs table) Resistance Value (EIA 4-digit code) (100: - First 3 significant 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 (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 CMF Series Issue May 2009 Sheet 3 of 3 General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 09. 11