CW - High Surge www.vishay.com Vishay Dale Wirewound Resistors, High Surge Immunity, Silicone Coated, Axial Lead FEATURES High voltage surge immunity, up to 12 kV High temperature silicone coating Available Complete welded construction Excellent stability in operation High power to size ratio Available Material categorization: For definitions of compliance please see Available www.vishay.com/doc 99912 Available Note * This datasheet provides information about parts that are RoHS-compliant and/or parts that are non-RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information/tables in this datasheet for details. STANDARD ELECTRICAL SPECIFICATIONS (1) (1) POWER RATING POWER RATING RESISTANCE WEIGHT GLOBAL P W P W TOLERANCE 25 C 25 C RANGE (max.) MODEL CHARACTERISTIC U CHARACTERISTIC V % g +250 C +350 C CW001...HS 1.0 - 0.1 to 6.37K 5, 10 0.34 CW02B...HS 3.0 3.75 0.1 to 15K 5, 10 0.7 CW005...HS 5.0 6.5 0.1 to 58.5K 5, 10 4.2 CW010...HS 10.0 13.0 0.1 to 167K 5, 10 9.0 Note (1) Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements. TECHNICAL SPECIFICATIONS PARAMETER UNIT CW RESISTOR CHARACTERISTICS Temperature Coefficient ppm/C 30 for 10 and above, 50 for 1.0 to 9.9 , 90 for 0.5 to 0.99 Dielectric Withstanding Voltage V 1000 AC 5 x rated power for 5 s for 3.75 W size and smaller, Short Time Overload - 10 x rated power for 5 s for 4 W size and greater Terminal Strength lb 10 minimum 1/2 Maximum Working Voltage V (P x R) Operating Temperature Range C Characteristic U = -65 to +250, characteristic V = -65 to +350 Characteristic U = +250 C max. hot spot temperature, 0.5 % max. R in 2000 h load life Power Rating - Characteristic V = +350 C max. hot spot temperature, 3.0 % max. R in 2000 h load life GLOBAL PART NUMBER INFORMATION Global Part Numbering example: CW02B10K00JB12HS (preferred part number format) C W0 2 B 1 0 K 0 0 JB21 H S GLOBAL VALUE TOLERANCE PACKAGING SPECIAL MODEL (5 digits) (1 digit) (3 digits) (2 digits) (5 digits) HS = H = 3.0 % E70 = Lead (Pb)-free, tape/reel, 1K pcs. (CW001 and CW02B) CW001 R = Decimal High Surge J = 5.0 % E73 = Lead (Pb)-free, tape/reel, 500 pcs. CW02B K = Thousand K = 10.0 % E12 = Lead (Pb)-free, bulk CW005 1R500 = 1.5 CW010 1K500 = 1.5 k S70 = Tin/lead, tape/reel, 1K pcs. (CW001 and CW02B) S73 = Tin/lead, tape/reel, 500 pcs. B12 = Tin/lead, bulk Revision: 31-Mar-14 Document Number: 30285 1 For technical questions, contact: ww2aresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000CW - High Surge www.vishay.com Vishay Dale HIGH VOLTAGE SURGE The surge handling capability is based upon applying an exponential open circuit voltage waveform according to specification IEC 61000-4-5 (1.2 s/50 s) as shown below at an ambient temperature of 25 C. U 1.0 B 0.9 0.5 T 2 A 0.3 0.1 0.0 T O t 1 30 % max. T 1 Front time: T = 1.67 x T = 1.2 s 30 % 1 Time to half-value: T = 50 s 20 % 2 Open circuit voltage waveform at the output of the pulse generator PEAK SURGE VOLTAGE - IEC 61000-4-5 (1.2 s/50 s pulse) 100 000 12 kV 10 000 10 kV 8 kV 6 kV 4 kV CW010...HS CW005...HS 1000 CW02B...HS CW001...HS 100 0.1 1 10 100 1000 10 000 100 000 Resistance () MINIMUM RESISTANCE VALUE FOR SURGE VOLTAGE PEAK SURGE VOLTAGE GLOBAL MODEL 4 kV 6 kV 8 kV 10 kV 12 kV CW001...HS 586 1.7 -- - CW02B...HS 151 457 1.0 k 1.8 k 3.0 k CW005...HS 15 43 94 171 281 CW010...HS 2.6 7.6 17 30 50 Revision: 31-Mar-14 Document Number: 30285 2 For technical questions, contact: ww2aresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 Peak Surge Voltage (V)