WSK0612 www.vishay.com Vishay Dale Power Metal Strip® Resistors, High Power, Surface Mount, 4-Terminal FEATURES • 4-Terminal design • Ideal for all types of current sensing, voltage division and pulse applications • Proprietary processing technique produces extremely low resistance values • Durable with all-welded construction • Low thermal EMF (< 3 μV/°C) • Solid metal nickel-chrome or manganese-copper resistive element with low TCR (< 20 ppm/°C) • Compliant to RoHS Directive 2002/95/EC • AEC-Q200 qualified available (1) Note (1) Flame retardance test may not be applicable to some resistor technologies. Note ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE POWER RATING P70 °C W TOLERANCE ±% RESISTANCE VALUE RANGE RESISTANCE VALUES CURRENTLY AVAILABLE (2) WEIGHT (typical) g/1000 pieces WSK0612 0612 1.0 1.0 0.50m to 5.0m 0.5m, 0.75m, 1m, 2m, 3m, 4m, 5m 8.2 Note (2) Other values may be available, contact factory. TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 600 for 0.5 m and 0.75 m, ± 275 for 1 m, ± 225 for 2 m, ± 150 for 3 m, 4 m and 5 m Operating temperature range °C - 65 to + 170 Maximum working voltage V (P x R)1/2 Temperature coefficient GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSK06121L000FEA W S K 0 6 1 2 1 L 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSK0612 L = m L5000 = 0.0005 L7500 = 0.00075 1L000 = 0.001 2L000 = 0.002 3L000 = 0.003 4L000 = 0.004 5L000 = 0.005 F = ± 1.0 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk (Dash number) (Up to 2 digits) From 1 to 99 as applicable Revision: 09-Nov-11 Document Number: 30161 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 WSK0612 www.vishay.com Vishay Dale DIMENSIONS T W H c d l A B b a L DIMENSIONS in inches (millimeters) MODEL WSK0612 L W H T A B 0.060 ± 0.010 (1.50 ± 0.254) 0.120 ± 0.010 (3.05 ± 0.254) 0.015 ± 0.010 (0.381 ± 0.254) 0.015 ± 0.010 (0.381 ± 0.254) 0.020 ± 0.005 (0.51 ± 0.127) 0.020 ± 0.005 (0.51 ± 0.127) SOLDER PAD DIMENSIONS in inches (millimeters) MODEL b c d l 0.040 (1.01) 0.135 (3.43) 0.030 (0.762) 0.015 (0.381) 0.030 (0.76) Rated Power in % WSK0612 a 120 100 80 60 40 20 0 - 65 - 55 - 25 0 25 Derating 50 75 100 125 150 170 70 Ambient Temperature °C PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock - 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme ± 1.0 % R Short time overload 5 x rated power for 5 s ± 0.5 % R Low temperature operation - 65 °C for 45 min ± 0.5 % R High temperature exposure 1000 h at + 170 °C ± 2.0 % R Bias humidity + 85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % R Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.5 % R Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % R Load life 1000 h at + 70 °C, 1.5 h “ON”, 0.5 h “OFF” ± 2.0 % R Resistance to solder heat + 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± 0.5 % R Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required ± 1.0 % R PACKAGING MODEL WSK0612 REEL TAPE WIDTH DIAMETER PIECES/REEL CODE 8 mm/embossed plastic 178 mm/7" 4000 EA Note • Embossed Carrier Tape per EIA-481. Revision: 09-Nov-11 Document Number: 30161 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 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. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Revision: 12-Mar-12 1 Document Number: 91000