CW Vishay Dale Wirewound Resistors, Commercial Coated, Axial Lead FEATURES High performance for low cost High temperature silicone coating Pb-free Available Complete welded construction Excellent stability in operation e3 High power to size ratio RoHS* Lead (Pb)-free version is RoHS compliant COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS POWER RATING** P W GLOBAL HISTORICAL 25 C RESISTANCE RANGE WEIGHT (Max.) MODEL MODEL 5 %, 10 %*** g Characteristic U + 250 C Characteristic V + 350 C CW1/2 CW-1/2 0.5 - 0.1 - 1.77K 0.21 CW001 CW-1 1.0 - 0.1 - 6.37K 0.34 CW01M CW-1M 1.0 - 0.1 - 3.3K 0.3 CW002 CW-2 4.0 5.5 0.1 - 28.7K 2.1 CW02M CW-2M 3.0 3.75 0.1 - 12K 0.65 CW02B CW-2B 3.0 3.75 0.1 - 15K 0.7 CW02B...13 CW-2B-13 4.0 6.0 0.1 - 6.8K 0.9 CW02C CW-2C 2.5 3.25 0.1 - 19.9K 1.8 CW02C...14 CW-2C-14 2.5 3.25 0.1 - 19.9K 1.2 CW005 CW-5 5.0 6.5 0.1 - 58.5K 4.2 CW005...2 CW-5-2 4.0 5.0 0.1 - 40.3K 4.2 CW005...3 CW-5-3 5.0 6.5 0.1 - 58.5K 4.2 CW007 CW-7 7.0 9.0 0.1 - 95.2K 4.7 CW010 CW-10 10.0 13.0 0.1 - 167K 9.0 CW010...3 CW-10-3 10.0 13.0 0.1 - 167K 9.0 ** Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements *** 3 % tolerance available Shaded areas indicate most popular models TECHNICAL SPECIFICATIONS PARAMETER UNIT CW RESISTOR CHARACTERISTICS Temperature Coefficient ppm/C 90 for below 1.0 , 50 for 1.0 to 9.9 , 30 for 10 and above Dielectric Withstanding Voltage V 1000 AC 5 rated power for 5 sec. for 3.75 W size and smaller, Short Time Overload - 10 rated power for 5 sec. for 4 W size and greater Terminal Strength lb 10 minimum 1/2 Maximum Working Voltage V (P R) Operating Temperature Range C Characteristic U = - 65/+ 250, Characteristic V = - 65/+ 350 Characteristic U = + 250 C max. hot spot temperature, 0.5 % max. R in 2000 hrs. load life Power Rating - Characteristic V = + 350 C max. hot spot temperature, 3.0 % max. R in 2000 hrs. load life GLOBAL PART NUMBER INFORMATION New Global Part Numbering: CW02C10K00JB1214 (preferred part numbering format) C W 0 2 C1 0 K 0 0 J B 12 1 4 RESISTANCE TOLERANCE SPECIAL GLOBAL MODEL PACKAGING VALUE CODE (Dash Number) (See Standard Electrical R = Decimal H = 3 % E70 = Lead (Pb)-free, Tape/Reel 1k pcs (up to 3 digits) Specifications Global Model J = 5 % E73 = Lead (Pb)-free, Tape/Reel 500 pcs K = Thousand column for options) 1R500 = 1.5 K = 10 % E12 = Lead (Pb)-free, Bulk From 1-999 D18 = Lead (Pb)-free, R1R80 Tape/Reel as applicable 1K500 = 1.5 k CW02B...13 pack code for Europe use only S70 = Tin/Lead, Tape/Reel 1k pcs S73 = Tin/Lead, Tape/Reel 500 pcs B12 = Tin/Lead, Bulk Historical Part Number example: CW-2C-14 10 k 5 % B12 (will continue to be accepted) CW-2C-14 10 k 5 % B12 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING * Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com For technical questions, contact: ww2aresistors vishay.com Document Number: 30215 26 Revision: 13-Sep-06CW Wirewound Resistors, Commercial Coated, Axial Lead Vishay Dale DIMENSIONS 1.50 38.10 * DIMENSIONS in inches millimeters C A Minimum MODEL B A CD (Maximum)*** B D 0.250 0.031 0.281 0.085 0.020 0.020 0.002 CW1/2 6.35 0.787 7.14 2.16 0.508 0.508 0.051 * On some standard reel pack methods, the leads may be trimmed to a shorter length than shown. 0.406 0.031 0.437 0.094 0.031 0.020 0.002 CW001 10.31 0.787 11.10 2.39 0.787 0.508 0.051 MATERIAL SPECIFICATIONS 0.285 0.025 0.311 0.110 0.015 0.020 0.002 CW01M Element: Copper-nickel alloy or nickel-chrome alloy, 7.24 0.635 7.90 2.79 0.381 0.508 0.051 depending on resistance value 0.625 0.062 0.765 0.250 0.032 0.040 0.002 CW002 15.87 1.57 19.43 6.35 0.813 1.02 0.051 Core: Ceramic: Steatite or alumina, depending on physical size 0.500 0.062 0.562 0.185 0.015 0.032 0.002 CW02M 12.70 1.57 14.27 4.70 0.381 0.813 0.051 Coating: Special high temperature silicone 0.562 0.062 0.622 0.188 0.032 0.032 0.002 Standard Terminals: Tinned Copperweld CW02B 14.27 1.57 15.80 4.78 .813 0.813 0.051 End Caps: Stainless steel 0.500 0.062 0.563 0.188 0.032 0.032 0.002 CW02B...13 Part Marking: DALE, Model, Wattage**, Value, Tolerance, 12.70 1.57 14.30 4.78 0.813 0.813 0.051 Date Code 0.500 0.062 0.593 0.218 0.032 0.040 0.002 CW02C 12.70 1.57 15.06 5.54 0.813 1.02 0.051 ** Wattage marked on resistor will be V characteristic, CW1/2 will not be marked with wattage 0.500 0.062 0.593 0.218 0.032 0.032 0.002 CW02C...14 12.70 1.57 15.06 5.54 .813 0.813 0.051 120 0.875 0.062 1.0 0.312 0.032 0.040 0.002 CW005 22.22 1.57 25.40 7.92 0.813 1.02 0.051 100 0.875 0.062 1.0 0.250 0.032 0.032 0.002 CW005...2 22.22 1.57 25.40 6.35 .813 0.813 0.051 80 0.875 0.062 1.0 0.312 0.032 0.032 0.002 CW005...3 22.22 1.57 25.40 7.92 0.813 0.813 0.051 60 CHAR. V 1.218 0.062 1.281 0.312 0.032 0.040 0.002 CW007 30.94 1.57 32.54 7.92 0.813 1.02 0.051 40 1.781 0.062 1.875 0.375 0.032 0.040 0.002 CW010 20 45.24 1.57 47.62 9.52 0.813 1.02 0.051 CHAR. U 1.781 0.062 1.875 0.375 0.032 0.032 0.002 0 CW010...3 45.24 1.57 47.62 9.52 0.813 0.813 0.051 - 65 - 50 0 50 150 250 350 25 AMBIENT TEMPERATURE IN C Derating *** B (Maximum) dimension is clean lead to clean lead. PERFORMANCE**** TEST LIMITS TEST CONDITIONS OF TEST (CHARACTERISTIC V) Rated power applied until thermally stable, then a minimum Thermal Shock (2.0 % + 0.05 ) R of 15 minutes at - 55 C 5 x rated power (3.75 W and smaller), 10 rated power Short Time Overload (2.0 % + 0.05 ) R (4 W and larger) for 5 sec. Dielectric Withstanding Voltage 1000 V , one minute (0.1 % + 0.05 ) R rms Low Temperature Storage - 65 C for 24 hours (2.0 % + 0.05 ) R High Temperature Exposure 250 hours at + 350 C (4.0 % + 0.05 ) R Moisture Resistance MIL-STD-202 Method 106, 7b not applicable (2.0 % + 0.05 ) R Shock, Specified Pulse MIL-STD-202 Method 213, 100 gs for 6 milliseconds, 10 shocks (0.2 % + 0.05 ) R Vibration, High Frequency Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each (0.2 % + 0.05 ) R Load Life 2000 hours at rated power, + 25 C, 1.5 hours ON, 0.5 hours OFF (3.0 % + 0.05 ) R 5 to 10 second 10 pound pull test torsion test - 3 alternating directions, Terminal Strength (1.0 % + 0.05 ) R 360 C each **** All R figures shown are maximum, based upon testing requirements per MIL-PRF-26 at a maximum operating temperature of + 350 C. R maximum figures are considerably lower when tested at a maximum operating temperature of + 250 C. Document Number: 30215 For technical questions, contact: ww2aresistors vishay.com www.vishay.com Revision: 13-Sep-06 27 RATED POWER IN %