WSL4026 www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value, High Power, Surface Mount, 4-Terminal FEATURES • 4-Terminal design allows for 1 % tolerance down to 0.0003 • High power to foot print size ratio • Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers and shunts • Proprietary processing technique produces extremely low resistance values, down to 0.0005 • All welded construction • Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/°C) • Very low inductance 0.5 nH to 5 nH • Low thermal EMF (< 3 μV/°C) • AEC-Q200 qualified available (1) • Compliant to RoHS Directive 2002/95/EC Notes ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 (1) Flame retardance test may not be applicable to some resistor technologies.. 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 WSL4026 4026 3.0 1.0 0.3m to 5m 0.3m, 0.5m, 1m, 2m, 3m, 4m, 5m 420 Notes • Power rating depends on the max. temperature at the solder point, component placement density and the substrate material. • Part marking: Model, value, tolerance, date code. (2) Other values may be available, contact factory. TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 75 over temperature of + 20 °C to + 60 °C 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: WSL4026L5000FEA (WSL4026, 0.0005 , ± 1 %) W S L 4 0 2 6 L 5 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSL4026 L = m L3000 = 0.0003 L5000 = 0.0005 1L000 = 0.0010 2L000 = 0.0020 3L000 = 0.0030 4L000 = 0.0040 5L000 = 0.0050 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: 07-Sep-11 Document Number: 30132 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 WSL4026 www.vishay.com Vishay Dale DIMENSIONS DIMENSIONS in inches (millimeters) MODEL WSL4026 L W H R S T U 0.400 ± 0.008 (10.1 ± 0.2) 0.260 + 0.012/- 0.008 (6.6 + 0.3/- 0.2) 0.117 ± 0.008 (3.0 ± 0.2) 0.193 ± 0.004 (4.9 ± 0.1) 0.028 ± 0.004 (0.7 ± 0.1) 0.016 ± 0.002 (0.4 ± 0.05) 0.078 ± 0.004 (2.0 ± 0.1) SOLDER PAD DIMENSIONS in inches (millimeters) MODEL W WSL4026 MODEL T U S 0.004 Terminal Area WSL4026 R H c b c d w 0.096 (2.44) 0.035 (0.89) 0.035 (0.89) 0.420 (10.6) RESISTANCE VALUE (m) 0.3 0.5 1.0 2.0 3.0 4.0 5.0 ELEMENT MATERIAL Mn-Cu Mn-Cu Mn-Cu Ni-Cr Ni-Cr Ni-Cr Ni-Cr DERATING d Rated Power in % b w a 0.220 (5.6) L a b 120 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 70 100 125 150 175 Ambient Temperature in °C PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock - 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme ± (0.5 % + 0.0005 ) R Short time overload 0.3 m, 0.5 m, 2 m and 3 m - 5 x rated power for 5 s 5 m - 3 x rated power for 5 s ± (0.5 % + 0.0005 ) R Low temperature operation - 65 °C for 45 min ± (0.5 % + 0.0005 ) R High temperature exposure 1000 h at + 170 °C ± (1.0 % + 0.0005 ) R Bias humidity + 85 °C, 85 % RH, 10 % bias, 1000 h ± (0.5 % + 0.0005 ) R Mechanical shock 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.0005 ) R Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± (0.5 % + 0.0005 ) R Load life 1000 h at + 70 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.0005 ) R Resistance to solder heat + 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± (0.5 % + 0.0005 ) R Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required ± (0.5 % + 0.0005 ) R PACKAGING MODEL WSL4026 REEL TAPE WIDTH DIAMETER PIECES/REEL CODE 16 mm/embossed plastic 330 mm/13" 1500 EA Note • Embossed Carrier Tape per EIA-481. Revision: 07-Sep-11 Document Number: 30132 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. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners. 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