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 e3 * Excellent stability in operation * High power to size ratio RoHS* COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS POWER RATING (1) P25 C W RESISTANCE RANGE GLOBAL HISTORICAL 5 %, 10 % (2) MODEL MODEL 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 - 10.89K (3) 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 Notes (1) Vishay Dale CW models have two power ratings, depending on (2) 3 % tolerance available (3) Higher values available on request operating temperature and stability requirements 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 - Terminal Strength Maximum Working Voltage Operating Temperature Range lb V C Power Rating - 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 s for 3.75 W size and smaller, 10 x rated power for 5 s 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 h load life Characteristic V = + 350 C max. hot spot temperature, 3.0 % max. R in 2000 h load life GLOBAL PART NUMBER INFORMATION New Global Part Numbering: CW02C10K00JB1214 (preferred part number format) C W 0 GLOBAL MODEL (See Standard Electrical Specifications Global Model column for options) 2 C 1 RES. VALUE R = Decimal K = Thousand 1R500 = 1.5 1K500 = 1.5 k 0 K 0 0 J B 1 2 1 4 TOL. CODE H = 3.0 % J = 5.0 % K = 10.0 % PACKAGING SPECIAL (Dash Number) E70 = Lead (Pb)-free, tape/reel 1K pcs (up to 3 digits) E73 = Lead (Pb)-free, tape/reel 500 pcs From 1 - 999 E12 = Lead (Pb)-free, bulk as applicable 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 for tin/lead product only) 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 26 For technical questions, contact: ww2aresistors@vishay.com Document Number: 30215 Revision: 10-Dec-07 CW Wirewound Resistors, Commercial Coated, Axial Lead Vishay Dale DIMENSIONS in inches [millimeters] 1.50 [38.10] (1) Minimum C A D B DIMENSIONS in inches [millimeters] C B (Maximum) (2) 0.281 [7.14] 0.085 0.020 [2.16 0.508] 0.437 [11.10] 0.094 0.031 [2.39 0.787] 0.311 [7.90] 0.110 0.015 [2.79 0.381] 0.765 [19.43] 0.250 0.032 [6.35 0.813] 0.562 [14.27] 0.185 0.015 [4.70 0.381] 0.622 [15.80] 0.188 0.032 [4.78 0.813] 0.563 [14.30] 0.188 0.032 [4.78 0.813] 0.593 [15.06] 0.218 0.032 [5.54 0.813] 0.593 [15.06] 0.218 0.032 [5.54 0.813] 1.0 [25.40] 0.312 0.032 [7.92 0.813] 1.0 [25.40] 0.250 0.032 [6.35 0.813] 1.0 [25.40] 0.312 0.032 [7.92 0.813] 1.281 [32.54] 0.312 0.032 [7.92 0.813] 1.875 [47.62] 0.375 0.032 [9.52 0.813] 1.875 [47.62] 0.375 0.032 [9.52 0.813] MODEL 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 (3), value, tolerance, date code Note (3) Wattage marked on resistor will be "V" characteristic, CW1/2 will not be marked with wattage RATED POWER IN % A CW1/2 0.250 0.031 [6.35 0.787] CW001 0.406 0.031 [10.31 0.787] CW01M 0.285 0.025 [7.24 0.635] CW002 0.625 0.062 [15.87 1.57] CW02M 0.500 0.062 [12.70 1.57] CW02B 0.562 0.062 [14.27 1.57] CW02B...13 0.500 0.062 [12.70 1.57] CW02C 0.500 0.062 [12.70 1.57] CW02C...14 0.500 0.062 [12.70 1.57] CW005 0.875 0.062 [22.22 1.57] CW005...2 0.875 0.062 [22.22 1.57] CW005...3 0.875 0.062 [22.22 1.57] CW007 1.218 0.062 [30.94 1.57] CW010 1.781 0.062 [45.24 1.57] CW010...3 1.781 0.062 [45.24 1.57] Notes (1) On some standard reel pack methods, the leads may be trimmed to a shorter length than shown. (2) B (Maximum) dimension is clean lead to clean lead. D 0.020 0.002 [0.508 0.051] 0.020 0.002 [0.508 0.051] 0.020 0.002 [0.508 0.051] 0.040 0.002 [1.02 0.051] 0.032 0.002 [0.813 0.051] 0.032 0.002 [0.813 0.051] 0.032 0.002 [0.813 0.051] 0.040 0.002 [1.02 0.051] 0.032 0.002 [0.813 0.051] 0.040 0.002 [1.02 0.051] 0.032 0.002 [0.813 0.051] 0.032 0.002 [0.813 0.051] 0.040 0.002 [1.02 0.051] 0.040 0.002 [1.02 0.051] 0.032 0.002 [0.813 0.051] 120 100 80 60 CHAR. V CHAR. U 40 20 0 - 50 - 65 Derating 0 50 25 150 250 350 AMBIENT TEMPERATURE IN C PERFORMANCE (4) TEST CONDITIONS OF TEST Thermal Shock Rated power applied until thermally stable, then a minimum of 15 min at - 55 C TEST LIMITS (CHARACTERISTIC V) (2.0 % + 0.05 ) R Short Time Overload 5 x rated power (3.75 W and smaller), 10 x rated power (4 W and larger) for 5 s (2.0 % + 0.05 ) R Dielectric Withstanding Voltage 1000 Vrms, 1 min (0.1 % + 0.05 ) R Low Temperature Storage - 65 C for 24 h (2.0 % + 0.05 ) R (4.0 % + 0.05 ) R High Temperature Exposure 250 h at + 350 C Moisture Resistance MIL-STD-202 Method 106, 7b not applicable (2.0 % + 0.05 ) R Shock, Specified Pulse MIL-STD-202 Method 213, 100 g's for 6 ms, 10 shocks (0.2 % + 0.05 ) R Vibration, High Frequency Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 h each (0.2 % + 0.05 ) R Load Life 2000 h at rated power, + 25 C, 1.5 h "ON", 0.5 h "OFF" (3.0 % + 0.05 ) R Terminal Strength 5 to 10 s 10 pound pull test; torsion test - 3 alternating directions, 360 C each (1.0 % + 0.05 ) R Note (4) 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: 10-Dec-07 For technical questions, contact: ww2aresistors@vishay.com www.vishay.com 27 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1