WSLT2726 www.vishay.com Vishay Dale Power Metal Strip® Resistors, High Temperature (275 °C), High Power, Low Value, Surface Mount, 4-Terminal FEATURES • 4-terminal design allows for 1 % tolerance Available down to 0.002 • High power-to-footprint 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 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 MODEL SIZE POWER RATING P70 °C W TOLERANCE ±% RESISTANCE VALUE RANGE RESISTANCE VALUES CURRENTLY AVAILABLE (2) WEIGHT (typical) g/1000 pieces WSLT2726 2726 3.0 1.0 0.3m to 5m 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 +275 Maximum continuous current V (P x R)1/2 Temperature coefficient GLOBAL PART NUMBER INFORMATION Global Part Numbering: WSLT27265L000FEA (WSLT2726, 0.005 , ± 1 %) W S L GLOBAL MODEL WSLT2726 Revision: 17-Dec-14 T 2 7 RESISTANCE VALUE L = m 2L000 = 0.002 3L000 = 0.003 4L000 = 0.004 5L000 = 0.005 2 6 5 L 0 0 0 F E A TOLERANCE CODE PACKAGING CODE SPECIAL 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 Document Number: 30185 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 WSLT2726 www.vishay.com Vishay Dale DIMENSIONS DIMENSIONS in inches (millimeters) MODEL WSLT2726 L W H 0.272 ± 0.008 0.260 + 0.012/- 0.008 0.117 ± 0.008 (6.9 ± 0.2) (6.6 + 0.3/- 0.2) (3.0 ± 0.2) R (REF.) 0.198 (5.0) S T U N 0.028 ± 0.004 0.016 ± 0.002 0.078 ± 0.004 0.039 ± 0.006 (0.7 ± 0.1) (0.4 ± 0.05) (2.0 ± 0.1) (0.99 ± 0.15) SOLDER PAD DIMENSIONS in inches (millimeters) a b c d w 0.220 0.096 0.035 0.035 0.290 WSLT2726 (5.6) (2.44) (0.89) (0.89) (7.4) MODEL W L MODEL S U WSLT2726 T N R RESISTANCE VALUE (m) 2.0 3.0 4.0 5.0 ELEMENT MATERIAL Ni-Cr Ni-Cr Ni-Cr Ni-Cr DERATING Rated Power in % H c d b a w b 120 100 80 60 40 20 0 - 65 - 25 25 75 125 70 175 275 125 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 %) R Short time overload 0.3 m, 0.5 m, 2 m and 3 m - 5x rated power for 5 s 4 m and 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 +275 °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 WSLT2726 REEL TAPE WIDTH DIAMETER PIECES/REEL CODE 16 mm/embossed plastic 330 mm/13" 1500 EA Note • Embossed Carrier Tape per EIA-481. Revision: 17-Dec-14 Document Number: 30185 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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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