CW Vishay Dale Wirewound Resistors, Commercial Coated, Axial Lead FEATURES * * * * * * High performance for low cost High temperature silicone coating Complete welded construction Excellent stability in operation High power to size ratio Lead (Pb)-free version is RoHS compliant Pb-free Available e3 RoHS* COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS POWER RATING** P25 C W RESISTANCE RANGE 5 %, 10 %*** Characteristic U + 250 C Characteristic V + 350 C CW1/2 CW-1/2 0.5 0.1 - 1.77K CW001 CW-1 1.0 0.1 - 6.37K CW01M CW-1M 1.0 0.1 - 3.3K CW002 CW-2 4.0 5.5 0.1 - 28.7K CW02M CW-2M 3.0 3.75 0.1 - 12K CW02B CW-2B 3.0 3.75 0.1 - 15K CW02B...13 CW-2B-13 4.0 6.0 0.1 - 6.8K CW02C CW-2C 2.5 3.25 0.1 - 19.9K CW02C...14 CW-2C-14 2.5 3.25 0.1 - 19.9K CW005 CW-5 5.0 6.5 0.1 - 58.5K CW005...2 CW-5-2 4.0 5.0 0.1 - 40.3K CW005...3 CW-5-3 5.0 6.5 0.1 - 58.5K CW007 CW-7 7.0 9.0 0.1 - 95.2K CW010 CW-10 10.0 13.0 0.1 - 167K CW010...3 CW-10-3 10.0 13.0 0.1 - 167K ** Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements *** 3 % tolerance available * Shaded areas indicate most popular models GLOBAL MODEL HISTORICAL MODEL WEIGHT (Max.) g 0.21 0.34 0.3 2.1 0.65 0.7 0.9 1.8 1.2 4.2 4.2 4.2 4.7 9.0 9.0 TECHNICAL SPECIFICATIONS PARAMETER UNIT Temperature Coefficient ppm/C Dielectric Withstanding Voltage VAC Short Time Overload CW RESISTOR CHARACTERISTICS 90 for below 1.0 , 50 for 1.0 to 9.9 , 30 for 10 and above 1000 5 x rated power for 5 sec. for 3.75 W size and smaller, 10 x rated power for 5 sec. for 4 W size and greater 10 minimum (P x R)1/2 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 Characteristic V = + 350 C max. hot spot temperature, 3.0 % max. R in 2000 hrs. load life - Terminal Strength Maximum Working Voltage Operating Temperature Range lb V C Power Rating - GLOBAL PART NUMBER INFORMATION New Global Part Numbering: CW02C10K00JB1214 (preferred part numbering format) C W GLOBAL MODEL (See Standard Electrical Specifications Global Model column for options) 0 2 C 1 RESISTANCE VALUE R = Decimal K = Thousand 1R500 = 1.5 1K500 = 1.5 k 0 K 0 0 TOLERANCE CODE H=3% J=5% K = 10 % J B 1 2 1 4 SPECIAL PACKAGING E70 = Lead (Pb)-free, Tape/Reel 1k pcs E73 = Lead (Pb)-free, Tape/Reel 500 pcs E12 = Lead (Pb)-free, Bulk D18 = Lead (Pb)-free, R1R80 Tape/Reel 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 HISTORICAL MODEL RESISTANCE VALUE * Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com 26 (Dash Number) (up to 3 digits) From 1-999 as applicable 5% B12 TOLERANCE CODE PACKAGING For technical questions, contact: ww2aresistors@vishay.com Document Number: 30215 Revision: 13-Sep-06 CW Wirewound Resistors, Commercial Coated, Axial Lead Vishay Dale DIMENSIONS 1.50 [38.10]* Minimum DIMENSIONS in inches [millimeters] C A MODEL D B * On some standard reel pack methods, the leads may be trimmed to a shorter length than shown. A B (Maximum)*** CW1/2 0.250 0.031 [6.35 0.787] 0.281 [7.14] 0.085 0.020 0.020 0.002 [2.16 0.508] [0.508 0.051] CW001 0.406 0.031 [10.31 0.787] 0.437 [11.10] 0.094 0.031 0.020 0.002 [2.39 0.787] [0.508 0.051] CW01M 0.285 0.025 [7.24 0.635] 0.311 [7.90] 0.110 0.015 0.020 0.002 [2.79 0.381] [0.508 0.051] CW002 0.625 0.062 [15.87 1.57] 0.765 [19.43] 0.250 0.032 0.040 0.002 [6.35 0.813] [1.02 0.051] CW02M 0.500 0.062 [12.70 1.57] 0.562 [14.27] 0.185 0.015 0.032 0.002 [4.70 0.381] [0.813 0.051] CW02B 0.562 0.062 [14.27 1.57] 0.622 [15.80] 0.188 0.032 0.032 0.002 [4.78 .813] [0.813 0.051] CW02B...13 0.500 0.062 [12.70 1.57] 0.563 [14.30] 0.188 0.032 0.032 0.002 [4.78 0.813] [0.813 0.051] CW02C 0.500 0.062 [12.70 1.57] 0.593 [15.06] 0.218 0.032 0.040 0.002 [5.54 0.813] [1.02 0.051] CW02C...14 0.500 0.062 [12.70 1.57] 0.593 [15.06] 0.218 0.032 0.032 0.002 [5.54 .813] [0.813 0.051] CW005 0.875 0.062 [22.22 1.57] 1.0 [25.40] 0.312 0.032 0.040 0.002 [7.92 0.813] [1.02 0.051] CW005...2 0.875 0.062 [22.22 1.57] 1.0 [25.40] 0.250 0.032 0.032 0.002 [6.35 .813] [0.813 0.051] CW005...3 0.875 0.062 [22.22 1.57] 1.0 [25.40] 0.312 0.032 0.032 0.002 [7.92 0.813] [0.813 0.051] CW007 1.218 0.062 [30.94 1.57] 1.281 [32.54] 0.312 0.032 0.040 0.002 [7.92 0.813] [1.02 0.051] CW010 1.781 0.062 [45.24 1.57] 1.875 [47.62] 0.375 0.032 0.040 0.002 [9.52 0.813] [1.02 0.051] CW010...3 1.781 0.062 [45.24 1.57] 1.875 [47.62] 0.375 0.032 0.032 0.002 [9.52 0.813] [0.813 0.051] MATERIAL SPECIFICATIONS Element: Copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core: Ceramic: Steatite or alumina, depending on physical size Coating: Special high temperature silicone Standard Terminals: Tinned Copperweld(R) End Caps: Stainless steel Part Marking: DALE, Model, Wattage**, Value, Tolerance, Date Code RATED POWER IN % ** Wattage marked on resistor will be "V" characteristic, CW1/2 will not be marked with wattage 120 100 C D 80 60 CHAR. V 40 20 0 - 65 - 50 CHAR. U 0 Derating 50 25 150 250 350 AMBIENT TEMPERATURE IN C *** B (Maximum) dimension is clean lead to clean lead. PERFORMANCE**** TEST Thermal Shock Short Time Overload Dielectric Withstanding Voltage Low Temperature Storage High Temperature Exposure Moisture Resistance CONDITIONS OF TEST TEST LIMITS (CHARACTERISTIC V) Rated power applied until thermally stable, then a minimum of 15 minutes at - 55 C (2.0 % + 0.05 ) R 5 x rated power (3.75 W and smaller), 10 x rated power (4 W and larger) for 5 sec. (2.0 % + 0.05 ) R 1000 Vrms, one minute (0.1 % + 0.05 ) R - 65 C for 24 hours (2.0 % + 0.05 ) R 250 hours at + 350 C (4.0 % + 0.05 ) R MIL-STD-202 Method 106, 7b not applicable (2.0 % + 0.05 ) R MIL-STD-202 Method 213, 100 g's 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, 360 C each (1.0 % + 0.05 ) R Shock, Specified Pulse Terminal Strength **** 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 Revision: 13-Sep-06 For technical questions, contact: ww2aresistors@vishay.com www.vishay.com 27 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1