CP-2M vishay dale www.vishay.com 110 document number 30105 revision 05-aug-02 for technical questions, contact ww2aresistors@vishay .com wirewound resistors, commercial power, surface mount features high wattage capability ? meets or performs better than eia-rs-344 requirements compact size special inorganic potting compound and ceramic case provide high thermal conductivity in a fireproof package ? superior surge capability ? direct mounting on printed circuit board technical specifications parameter unit CP-2M resistor characteristics temperature coefficient ppm/ c 90 below 1.0 ? , 50 1.0 ? and above short time overload _ 5 x rated power for 5 seconds operating temperature range c - 65/+ 175 dielectric withstanding voltage v ac 1000 maximum working voltage v (p x r) 1/2 weight (typical) g 1.6 standard electrical specifications model power rating resistance range p 40 c ? w 5% standard; 1% and 3% available CP-2M 4 0.1 - 2.74k ordering information CP-2M 10 ? 5% b14 model resistance tolerance packaging ? % b14 = bulk pack p07 = tube pack
www.vishay.com 111 CP-2M vishay dale document number 30105 revision 05-aug-02 for technical questions, contact ww2aresistors@vishay .com dimensions in inches [millimeters] element copper-nickel alloy or nickel-chrome alloy depending on resistance value core alumina ceramic body steatite ceramic case with inorganic potting compound terminals high temperature solder dipped copper part marking dale, model, wattage, value, tolerance, date code wirewound resistors, commercial power, surface mount 0.170 0.010 [4.32 0.254] 0.712 0.032 [18.08 0.813] 0.100 0.010 [2.54 0.254] 0.262 0.032 [6.65 0.813] 0.250 0.032 [6.35 0.813] 0.250 0.032 [6.35 0.813] model solder pad dimensions in inches [millimeters] ab l CP-2M 0.280 0.200 0.460 [7.11] [5.08] [11.68] test conditions of test test limits thermal shock - 55 c to + 150 c, 5 cycles, 15 minutes at each extreme (0.2% + 0.05 ? ) ? r short time overload 5 x rated power for 5 seconds (0.5% + 0.05 ? ) ? r low temperature storage - 65 c for 24 hours (0.2% + 0.05 ? ) ? r high temperature condition 1000 hours at +175 c (0.5% + 0.05 ? ) ? r insulation resistance mil-std-202 method 302, 100 volts 1000 m ? minimum mechanical shock 100g s for 11 milliseconds, 5 pulses (0.1% + 0.05 ? ) ? r vibration frequency varied 10 to 500hz in one minute, 3 directions, 9 hours (0.1% + 0.05 ? ) ? r load life 1000 hours at rated power, + 40 c, 1.5 hours on , 0.5 hours off (1.0% + 0.05 ? ) ? r resistance to solder heat + 260 c solder, 10-12 second dwell, 25mm/second emergence (0.5% + 0.05 ? ) ? r bias humidity + 85 c, 85% rh, 10% bias, 1000 hours (1.0% + 0.05 ? ) ? r performance derating rated power in % 120 100 80 60 40 20 0 -65 -50 -25 0 25 50 75 100 125 150 175 ambient temperature in c 40 temperature rise in c temperature rise 200 150 100 50 0 0 1.0 2.0 3.0 4.0 power in w hot spot terminal temperature l b a material specifications
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