FSOT www.vishay.com Vishay Huntington Wirewound Resistor, Industrial Power, Silicone Coated, Standard 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 RESISTANCE RESISTANCE POWER RATING WEIGHT RANGE RANGE GLOBAL HISTORICAL P (typical) 25 C MODEL MODEL W g 5 % 10 % FSOT10 FSOT-10 1.0 to 15K 0.10 to 15K 10 0.41 FSOT10-NI FSOT-10-NI 1.0 to 1.8K 1.0 to 1.8K FSOT15 FSOT-15 1.0 to 26K 0.10 to 26K 15 0.47 FSOT15-NI FSOT-15-NI 1.0 to 3.6K 1.0 to 3.6K FSOT20 FSOT-20 1.0 to 71K 0.10 to 71K 20 0.74 FSOT20-NI FSOT-20-NI 1.0 to 9.8K 1.0 to 9.8K FSOT30 FSOT-30 1.0 to 11K 0.10 to 11K 30 20.14 FSOT30-NI FSOT-30-NI 1.0 to 1.2K 1.0 to 1.2K FSOT40 FSOT-40 1.0 to 26K 0.10 to 26K 40 30.07 FSOT40-NI FSOT-40-NI 1.0 to 3K 1.0 to 3K FSOT55 FSOT-55 1.0 to 54K 0.10 to 54K 55 51.25 FSOT55-NI FSOT-55-NI 1.0 to 6.8K 1.0 to 6.8K (1) FSOT65 / FSOT70 FSOT-65 1.0 to 77K 0.10 to 77K 70 60.48 (1) FSOT65-NI / FSOT70-NI FSOT-65-NI 1.0 to 9.4K 1.0 to 9.4K (1) FSOT75 / FSOT95 FSOT-75 1.0 to 99.9K 0.10 to 99.9K 95 76.51 (1) FSOT75-NI / FSOT95-NI FSOT-75-NI 1.0 to 12.4K 1.0 to 12.4K Note (1) The preferred Models are the FSOT70 and FSOT95. FSOT65 and FSOT75 are being shown as they have historically been used for these two wattages. TECHNICAL SPECIFICATIONS PARAMETER UNIT FSOT RESISTOR CHARACTERISTICS 260 for 20 and above, 400 for 1 to 20 , Temperature Coefficient ppm/C special TCs available Short Time Overload - 10 x rated power for 5 s Dielectric Withstanding Voltage V 1000, from terminal to mounting hardware AC 1/2 Maximum Working Voltage V (P x R) Operating Temperature Range C -55 to +350 Revision: 22-Jul-16 Document Number: 31847 1 For technical questions, contact: ww2dresistors vishay.com 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 91000FSOT www.vishay.com Vishay Huntington GLOBAL PART NUMBER INFORMATION Global Part Numbering example: FSOT5509E25R00JE (visit www.vishay.net SAP parts manual for all options) F S O T 5 509 E2 5 R 0 0 J E TERMINAL TERMINAL GLOBAL MODEL VALUE TOLERANCE PACKAGING CODE SPECIAL DESIGNATION FINISH (6 digits) (5 digits) (1 digit) (1 digit) (up to 2 digits) (2 digits) (1 digit) (see Standard 09 E = lead R = decimal J = 5 % E = lead (Pb)-free (dash number) Electrical 11 (Pb)-free K = thousand K = 10 % cell and bulk pack from 1 to 99 as Specifications 16 1R500 = 1.5 applicable Global Model 1K500 = 1.5 k CT = center tap column for NI = non-inductive options) Historical Part Number example: FSOT-55-25-5 % FSOT-20 25 5 % HISTORICAL MODEL RESISTANCE VALUE TOLERANCE SPECIAL DIMENSIONS in inches millimeters FSOT10 / FSOT15 / FSOT20 FSOT30 / FSOT40 / FSOT55 / FSOT65 / FSOT70 / FSOT75 / FSOT95 Distance Distance center to center center to center TERMINAL DESIGNATION DISTANCE A B C CENTER TO OPTIONAL MODEL 0.063 0.063 0.031 CENTER STANDARD (QUICK 1.59 1.59 0.79 (REF.) CONNECT) 0.750 1.312 1.000 0.531 FSOT10 11 - 19.05 33.32 25.40 13.49 1.000 1.562 1.250 0.781 FSOT15 11 - 25.40 39.67 31.75 19.84 2.062 2.625 2.312 1.843 FSOT20 11 - 52.37 66.68 58.72 46.81 1.250 2.500 2.000 0.906 FSOT30 09 16 31.75 63.50 50.8 23.01 1.656 2.000 3.250 2.750 FSOT40 09 16 50.8 82.55 69.85 42.06 3.500 4.750 4.250 3.156 FSOT55 09 16 88.90 120.65 107.95 80.16 4.406 4.750 6.000 5.500 (1) FSOT65 / FSOT70 09 16 120.65 152.4 139.7 111.91 6.000 7.250 6.750 5.656 (1) FSOT75 / FSOT95 09 16 152.4 184.15 171.45 143.66 Note (1) The preferred Models are the FSOT70 and FSOT95. FSOT65 and FSOT75 are being shown as they have historically been used for these two wattages. Revision: 22-Jul-16 Document Number: 31847 2 For technical questions, contact: ww2dresistors vishay.com 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