CMF IRCTT | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 3
Technical content
IRC reserves the right to make changes in product specifi 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 T exas 78411 USA© IRC Advanced Film Division T elephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com Commercial Grade Metal Film Resistor Electrical Data IRC Type Power Rating at 70°C (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 10Ω to 1MΩ Environmental Data Short-time overload ΔR/R ≤(±0.5% + 0.05Ω), with no evidence of mechanical damage. Dielectric withstanding voltage No evidence of fl ashover, mechanical damage, arcing or insulation breakdown. Terminal strength No evidence of mechanical damage. Resistance to Soldering heat ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage. Pulse Overload ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage. Solderability Minimum 95% coverage. Resistance to solvent No deterioration of protective coating and markings. Temperature cycling ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage. Load life in humidity Standard type: ΔR/R ±3% for <100KΩ, ±5% for ≥100KΩ; Load life Standard type: ΔR/R ±1.5% Flame retardant type: R/R ±5% CMF Series Issue May 2009 Sheet 1 of 3
- 4222 South Staples Street • Corpus Christi T exas 78411 USA© IRC Advanced Film Division T elephone: 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
- 4222 South Staples Street • Corpus Christi T exas 78411 USA© IRC Advanced Film Division T elephone: 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) (≥100Ω - First 3 signifi cant digits plus 4th digit multiplier) Example: 100 ohms = 1000, 1000 ohms = 1001 (>100Ω - "R" is used to designate decimal) Example: 10Ω = 10R0, 1Ω = 1R00, 51Ω = 51R0 Tolerance 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, 1000Ω resistor. Derating Curve -55°C +70°C +155°C -60 -30 0 30 60 90 120 150 180 100 Ambient Temperature (°C) Percent Rated Load (%) Hot Spot Temperature Curve 25 50 75 100 200 150 100 CMF-200 CMF-100 CMF-50 CMF-25 CMF-12 CMF Series Issue May 2009 Sheet 3 of 3 Measuring position