Not available for new designs, use FSOT FSOT www.vishay.com Vishay Huntington Wirewound Resistor, Industrial Power, Silicone Coated, Miniature Oval FEATURES • High temperature silicone coating • Mounting accommodations ideally suited to high density packaging • Available in non-inductive style (special “NI”) with Ayrton-Perry winding • Self-stacking hardware for horizontal or vertical placement • Mounting hardware functions as a heat sink allowing greater heat dissipation and less derating of stacked units • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL FSOT10 FSOT10-NI FSOT15 FSOT15-NI FSOT20 FSOT20-NI RESISTANCE RANGE ±5% 1.0 to 15K 1.0 to 1.8K 1.0 to 26K 1.0 to 3.6K 1.0 to 71K 1.0 to 9.8K POWER RATING P25 °C W HISTORICAL MODEL FSOT-10 FSOT-10-NI FSOT-15 FSOT-15-NI FSOT-20 FSOT-20-NI 10 15 20 RESISTANCE RANGE ± 10 % 0.10 to 15K 1.0 to 1.8K 0.10 to 26K 1.0 to 3.6K 0.10 to 71K 1.0 to 9.8K WEIGHT (typical) g 0.41 0.47 0.74 TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Short Time Overload Dielectric Withstanding Voltage UNIT FSOT RESISTOR CHARACTERISTICS ppm/°C ± 260 for 20 and above, ± 400 for 1 to 20 , special TC’s available - 10 x rated power for 5 s VAC 1000, from terminal to mounting hardware Maximum Working Voltage V (P x R)1/2 Operating Temperature Range °C -55 to +350 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: FSOT2011E25R00JE (visit www.vishay.net SAP parts manual for all options) F S O GLOBAL MODEL (6 digits) T 2 0 1 TERMINAL DESIGNATION (2 digits) TERMINAL FINISH (1 digit) 11 E = lead (Pb)-free (See Standard Electrical Specifications Global Model column for options) 1 E 2 5 R 0 0 J E VALUE (5 digits) TOLERANCE (1 digit) PACKAGING CODE (1 digit) SPECIAL (up to 2 digits) R = decimal K = thousand 1R500 = 1.5 1K500 = 1.5 k J=±5% K = ± 10 % E = Lead (Pb)-free cell and bulk pack (Dash number) From 1 to 99 as applicable NI = non-inductive Historical Part Number example: FSOT-20-25-5 % FSOT-20 25 5% HISTORICAL MODEL RESISTANCE VALUE TOLERANCE Revision: 26-Feb-16 SPECIAL Document Number: 31846 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 Not available for new designs, use FSOT FSOT www.vishay.com Vishay Huntington DIMENSIONS in inches [millimeters] Distance center to center DIMENSIONS in inches [millimeters] A ± 0.063 [1.59] B ± 0.063 [1.59] C ± 0.031 [0.79] DISTANCE CENTER TO CENTER (REF.) STANDARD TERMINAL DESIGNATION FSOT10 0.750 [19.05] 1.312 [33.32] 1.000 [25.40] 0.531 [13.49] 11 FSOT15 1.000 [25.40] 1.562 [39.67] 1.250 [31.75] 0.781 [19.84] 11 FSOT20 2.062 [52.37] 2.625 [66.68] 2.312 [58.72] 1.843 [46.81] 11 MODEL TERMINAL DIMENSIONS MATERIAL SPECIFICATIONS D Element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value G E Core: ceramic, steatite Style 11 F Coating: special high temperature silicone Standard Terminals: tinned alloy 42 DIMENSIONS in inches [millimeters] DIMENSIONS STYLE 11 D 0.125 [3.18] E (HOLE DIAMETER) 0.081 [2.10] F 0.235 [5.97] G 0.020 [0.51] Part Marking: HEI, model, wattage, value, tolerance, date code NON-INDUCTIVE Models of equivalent physical and electrical specifications are available with non-inductive (Ayrton-Perry) winding. They are identified by adding the letters “NI” to the end of the part number in the special section. For non-inductive models the maximum resistance values are lower, see Standard Electrical Specifications table. DERATING RATED POWER IN % Terminal Bands: alloy 42 120 100 80 60 40 20 0 - 55 - 50 0 50 150 250 350 25 AMBIENT TEMPERATURE IN °C Revision: 26-Feb-16 Document Number: 31846 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. 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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