CPR Vishay Dale Wirewound Resistors, Commercial Power, Radial Terminals FEATURES Direct mounting on printed circuit board Circuit board lock-in mounting tabs High performance for low cost Meets or exceeds requirements of EIA Standard RS-344 Special inorganic potting compound and ceramic case provide high thermal conductivity in a fireproof package Compliant to RoHS Directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE WEIGHT GLOBAL HISTORICAL TOLERANCE P RANGE (typical) 40 C MODEL MODEL % W g CPR03 CPR-3 3 0.1 to 1K 5, 10 5.6 CPR05 CPR-5 5 0.1 to 1K 5, 10 6.6 CPR07 CPR-7 7 0.1 to 1.429K 5, 10 9.4 CPR10 CPR-10 10 0.1 to 2K 5, 10 10.0 CPR15 CPR-15 15 0.1 to 2K 5, 10 20.3 CPR20 CPR-20 20 0.15 to 2.855K 5, 10 25.6 TECHNICAL SPECIFICATIONS PARAMETER UNIT CPR RESISTOR CHARACTERISTICS Temperature Coefficient ppm/C 300 for 1.0 and above 600 for less than 1.0 Short Time Overload - 5 x rated power for 5 s Terminal Strength lb 10 minimum Dielectric Withstanding Voltage V 1000 AC 1/2 Maximum Working Voltage V (P x R) Operating Temperature Range C - 65 to + 275 Note Wirewound CPR resistors can reliably function as a fuse and as a resistor. Such components involve compromise between fusing and resistive functions therefore, each design should be tailored to the application to ensure optimum performance. Contact factory by using the e-mail address at the bottom of this page for design assistance. GLOBAL PART NUMBER INFORMATION Global Part Numbering example: CPR0515R00JE14 C P R 051 5 R 0 0J E 1 4 GLOBAL MODEL VALUE TOLERANCE PACKAGING SPECIAL CPR03 R = Decimal H = 3.0 % E14 = Lead (Pb)-free bulk (Dash Number) CPR05 K = Thousand J = 5.0 % E31 = Lead (Pb)-free four layer bulk (up to 3 digits) CPR07 R1500 = 0.15 K = 10.0 % E10 = Lead (Pb)-free foam pack From 1 to 999 CPR10 1K500 = 1500 as applicable B14 = Tin/lead bulk CPR15 B31 = Tin/lead four layer bulk CPR20 F10 = Tin/lead foam pack Historical Part Numbering example: CPR-5 15 5 % B14 CPR-5 15 5 % B14 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING * Pb containing terminations are not RoHS compliant, exemptions may apply ** Please see document Vishay Material Category Policy: www.vishay.com/doc 99902 Document Number: 30219 For technical questions, contact: ww2aresistors vishay.com www.vishay.com Revision: 21-Dec-10 1 CPR Wirewound Resistors, Commercial Power, Vishay Dale Radial Terminals DIMENSIONS in inches millimeters B A C Maximum 0.020 0.005 misalignment D 0.508 0.127 5 Material thickness 0.180 0.010 G F 4.57 0.254 E DIMENSIONS in inches millimeters GLOBAL A B C D E F G MODEL 0.040 0.031 0.031 + 0.080 2.03 0.012 0.008 0.060 1.02 0.787 0.787 - 0.040 1.02 0.305 0.203 1.52 0.906 0.375 0.375 0.394 0.287 0.055 0.500 CPR03 23.01 9.53 9.53 10.01 7.29 1.40 12.70 1.060 0.375 0.360 0.394 0.287 0.055 0.590 CPR05 26.92 9.53 9.14 10.01 7.29 1.40 14.99 1.398 0.375 0.360 0.984 0.287 0.055 0.886 CPR07 35.51 9.53 9.14 24.99 7.29 1.40 22.50 1.888 0.375 0.360 0.984 0.287 0.055 1.380 CPR10 47.96 9.53 9.14 24.99 7.29 1.40 35.05 1.888 0.500 0.500 1.180 0.394 0.106 1.280 CPR15 47.96 12.70 12.70 29.97 10.01 2.69 32.51 2.498 0.500 0.500 1.180 0.394 0.106 1.870 CPR20 63.45 12.70 12.70 29.97 10.01 2.69 47.50 MATERIAL SPECIFICATIONS DERATING 120 Element: Copper-nickel alloy or nickel-chrome alloy, depending on resistance value 100 Core: Woven fiberglass Body: Steatite ceramic case with inorganic potting 80 compound 60 Terminals: Tin/lead plated CRS (Lead (Pb)-free will be 100 % tin) 40 Part Marking: DALE, model, wattage, value, tolerance, date code 20 0 - 55 - 25 25 75 125 175 225 275 AMBIENT TEMPERATURE IN C 40 PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS (EIA RS-344) Thermal Shock - 55 C to + 275 C, 5 cycles, 30 min dwell time (5.0 % + 0.05 ) R Short Time Overload 5 x rated power for 5 s (4.0 % + 0.05 ) R Dielectric Withstanding Voltage 1000 V for 1 min (2.0 % + 0.05 ) R RMS Low Temperature Operation - 65 C, full rated working voltage for 45 min (3.0 % + 0.05 ) R Humidity 75 C, 90 % to 100 % RH, 240 h (5.0 % + 0.05 ) R Load Life 1000 h at rated power, + 40 C, 1.5 h ON, 0.5 h OFF (10.0 % + 0.05 ) R Terminal Strength 10 pounds in axial direction for 30 s (2.0 % + 0.05 ) R Resistance to Solder Heat Terminal immersed 3.5 s in molten solder at 1/8 to 3/16 from body (4.0 % + 0.05 ) R www.vishay.com For technical questions, contact: ww2aresistors vishay.com Document Number: 30219 2 Revision: 21-Dec-10 RATED POWER IN %