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 Available 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 0.0003 • 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) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 Note (1) Flame retardance test may not be applicable to some resistor technologies. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL SIZE MODEL WSL4026 POWER RATING P70 °C W TOLERANCE ±% RESISTANCE VALUE RANGE RESISTANCE VALUES CURRENTLY AVAILABLE (2) WEIGHT (typical) g/1000 pieces 3.0 1.0 0.3m to 5m 0.3m, 0.5m, 0.7m, 1m, 2m, 3m, 4m, 5m 420 4026 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 Temperature coefficient ppm/°C ± 75 for 0.5 m to 5 m, ± 110 for 0.3 m Element TCR ppm/°C < 20 Operating temperature range °C -65 to +170 Maximum working voltage V (P x R)1/2 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 L7000 = 0.0007 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: 11-May-15 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 (REF.) 0.400 ± 0.008 (10.1 ± 0.2) 0.260 + 0.012/- 0.008 (6.6 + 0.3/- 0.2) Please see table below 0.198 (5.0) W S U 0.028 ± 0.004 0.016 ± 0.002 (0.7 ± 0.1) (0.4 ± 0.05) MODEL L T WSL4026 N 0.078 ± 0.004 0.039 ± 0.006 (2.0 ± 0.1) (0.99 ± 0.15) SOLDER PAD DIMENSIONS in inches (millimeters) a b c d w 0.220 (5.6) 0.096 (2.44) 0.035 (0.89) 0.035 (0.89) 0.420 (10.67) T MODEL U S 0.004 Terminal Area R RESISTANCE VALUE (m) ELEMENT MATERIAL HEIGHT H 0.3 Mn-Cu 0.141 ± 0.008 (3.58 ± 0.2) 0.5 Mn-Cu 0.116 ± 0.008 (2.95 ± 0.2) 0.7 Mn-Cu 0.111 ± 0.008 (2.82 ± 0.2) 1.0 Mn-Cu 0.1055 ± 0.008 (2.68 ± 0.2) 2.0 Ni-Cr 0.114 ± 0.008 (2.9 ± 0.2) 3.0 Ni-Cr 0.110 ± 0.008 (2.79 ± 0.2) 4.0 Ni-Cr 0.110 ± 0.008 (2.79 ± 0.2) 5.0 Ni-Cr 0.110 ± 0.008 (2.79 ± 0.2) N H c d b a w WSL4026 b DERATING - TERMINAL TEMPERATURE 120 P/PNorm in % Rated Power in % DERATING - AMBIENT TEMPERATURE 100 80 60 100 80 60 40 40 20 0 -65 -50 120 Stability < 1.0 % Stability < 0.5 % 20 -25 0 25 50 70 100 125 150 170 Ambient Temperature in °C 0 0 20 40 60 80 100 120 140 160 180 Terminal Temperature TK in °C Example: WSL4026 0.0005 , 0.001 Revision: 11-May-15 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 WSL4026 www.vishay.com Vishay Dale PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± (0.5 %) R Short time overload 0.3 m, 0.5 m, 2 m and 3 m - 5x rated power for 5 s 5 m - 3x 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 ± (1.0 %) 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” ± (1.0 %) 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, 7b not required ± (0.5 %) 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: 11-May-15 Document Number: 30132 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. 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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