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 • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 Available Available 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 POWER RATING (1) P25 °C W CHARACTERISTIC U +250 °C GLOBAL MODEL POWER RATING (1) P25 °C W CHARACTERISTIC V +350 °C RESISTANCE RANGE TOLERANCE ±% WEIGHT (max.) g 0.34 CW001...HS 1.0 - 0.1 to 6.37K 5, 10 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 Temperature Coefficient Dielectric Withstanding Voltage UNIT CW RESISTOR CHARACTERISTICS ppm/°C ± 30 for 10 and above, ± 50 for 1.0 to 9.9 , ± 90 for 0.5 to 0.99 VAC 1000 Short Time Overload - 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 Terminal Strength lb 10 minimum Maximum Working Voltage V (P x R)1/2 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 Characteristic V = +350 °C max. hot spot temperature, ± 3.0 % max. R in 2000 h load life Power Rating GLOBAL PART NUMBER INFORMATION Global Part Numbering example: CW02B10K00JB12HS (preferred part number format) C W 0 2 B 1 0 K 0 0 J B 1 2 H S GLOBAL MODEL (5 digits) VALUE (5 digits) TOLERANCE (1 digit) PACKAGING (3 digits) SPECIAL (2 digits) CW001 CW02B CW005 CW010 R = Decimal K = Thousand 1R500 = 1.5 1K500 = 1.5 k H = ± 3.0 % J = ± 5.0 % K = ± 10.0 % E70 = Lead (Pb)-free, tape/reel, 1K pcs. (CW001 and CW02B) E73 = Lead (Pb)-free, tape/reel, 500 pcs. E12 = Lead (Pb)-free, bulk HS = High Surge Revision: 31-Mar-14 S70 = Tin/lead, tape/reel, 1K pcs. (CW001 and CW02B) S73 = Tin/lead, tape/reel, 500 pcs. B12 = Tin/lead, bulk Document Number: 30285 1 For technical questions, contact: [email protected] 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 CW - 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 μs/50 μs) as shown below at an ambient temperature of 25 °C. U 1.0 0.9 B 0.5 T2 A 0.3 0.1 0.0 O1 T T1 t 30 % max. { Front time: T1 = 1.67 x T = 1.2 μs ± 30 % Time to half-value: T2 = 50 μs ± 20 % Open circuit voltage waveform at the output of the pulse generator PEAK SURGE VOLTAGE - IEC 61000-4-5 (1.2 μs/50 μs pulse) Peak Surge Voltage (V) 100 000 10 000 12 kV 10 kV 8 kV 6 kV 4 kV CW010...HS 1000 CW005...HS CW02B...HS CW001...HS 100 0.1 1 10 100 1000 10 000 100 000 Resistance (Ω) MINIMUM RESISTANCE VALUE FOR SURGE VOLTAGE GLOBAL MODEL PEAK SURGE VOLTAGE 4 kV 6 kV 8 kV 10 kV CW001...HS 586 1.7 - - 12 kV - 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: [email protected] 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 CW - High Surge www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) 1.50 [38.10] (1) min. C A B D DIMENSIONS in inches [millimeters] MODEL A B [MAXIMUM] (2) C D CW001...HS 0.406 ± 0.031 [10.31 ± 0.787] 0.437 [11.10] 0.094 ± 0.031 [2.39 ± 0.787] 0.020 ± 0.002 [0.508 ± 0.051] CW02B...HS 0.562 ± 0.062 [14.27 ± 1.57] 0.622 [15.80] 0.188 ± 0.032 [4.78 ± 0.813] 0.032 ± 0.002 [0.813 ± 0.051] CW005...HS 0.875 ± 0.062 [22.22 ± 1.57] 1.0 [25.40] 0.312 ± 0.032 [7.92 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051] CW010...HS 1.781 ± 0.062 [45.24 ± 1.57] 1.875 [47.62] 0.375 ± 0.032 [9.52 ± 0.813] 0.040 ± 0.002 [1.02 ± 0.051] 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. DERATING 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® RATED POWER IN % MATERIAL SPECIFICATIONS 120 100 80 60 End Caps: Stainless steel 40 Part Marking: DALE, model, wattage (3), value, tolerance, date code 20 Note (3) Wattage marked on resistor will be “V” characteristic. 0 - 50 - 65 CHAR. V CHAR. U 0 50 25 150 250 350 AMBIENT TEMPERATURE IN °C PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS (4) (CHARACTERISTIC V) Thermal Shock Rated power applied until thermally stable, then a minimum of 15 min at -55 °C ± (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 ± (2.0 % + 0.05 ) R Low Temperature Storage -65 °C for 24 h High Temperature Exposure 250 h at +350 °C ± (4.0 % + 0.05 ) R Moisture Resistance MIL-STD-202 Method 106, 7b not applicable ± (2.0 % + 0.05 ) R ± (0.2 % + 0.05 ) R Shock, Specified Pulse MIL-STD-202 Method 213, 100 g’s for 6 ms, 10 shocks Vibration, High Frequency Frequency varied 10 Hz 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 s to 10 s 10 pound pull test; torsion test - 3 alternating directions, 360° 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. Revision: 31-Mar-14 Document Number: 30285 3 For technical questions, contact: [email protected] 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 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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 in any datasheet or in any other disclosure relating to any product. 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We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000