RSO www.vishay.com Vishay Sfernice Wirewound Resistor, Industrial High Power, Enamelled Corrugated Tape, Tubular FEATURES 160 W to 1 kW at 25 C Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 The remarkable dissipation power of this series is the result of an original winding method using corrugated edge-wound tape, thus forming a very active radiator. The enameling follows the contour of the resistive element and provides effective insulation and support for the winding. The tubular core is of special ceramic, capable of withstanding high thermal shock and overload of short duration. NF F 16101, 10/1988 and 16102, 04/1992: Not applicable (our parts are made of metallic and refractory materials). DIMENSIONS in millimeters SCREWED STAINLESS STEEL 304 l AN TYPE 1 SCREWED STAINLESS STEEL 304 l CS TYPE 1 A A Z F C C C J D E R K B B 26 M P Q G H 15 L SCREWED STAINLESS STEEL 304 l CS TYPE 2 A C 23 J 3 K B 58 M G 15 H L Revision: 16-Mar-16 Document Number: 50018 1 For technical questions, contact: sferfixedresistors 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 RSO www.vishay.com Vishay Sfernice DIMENSIONS in millimeters F RSO B C D G H CONNECTIONS A 2 E + 0.5 J SERIES MAX. MIN. MAX. - 4 / + 0 - 4 / + 0 + 0 25 x 138 AN type 1 CS type 1 138 39 12.6 54 33.5 1 9 199 169 50 1.5 25 x 168 AN type 1 CS type 1 168 39 12.6 54 33.5 1 9 229 199 50 1.5 30 x 250 AN type 1 CS type 1 250 44 17.4 62 36 1 13 317 287 60 1.5 40 x 370 AN type 2 CS type 2 370 54.5 22.3 85.5 57 1.5 18 432 405 73.8 50 x 373 AN type 2 CS type 2 373 65 27.1 97 63 1.5 18 432 405 79 AVERAGE UNIT RSO WEIGHT IN g CONNECTIONS K L + 0.5 M 0.5 P Q R Z SERIES AN CS 25 x 138 AN type 1 CS type 1 27 1 6.5 24 117 2 5.7 28.5 1 6 160 205 25 x 168 AN type 1 CS type 1 27 1 6.5 24 147 2 5.7 28.5 1 6 190 235 30 x 250 AN type 1 CS type 1 30 1 9 25 227 2.5 5.7 31 1 5 350 400 40 x 370 AN type 2 CS type 2 45 1.5 9 30 332 3 9.2 45 1.5 10 960 1040 50 x 373 AN type 2 CS type 2 45 1.5 9 30 332 3 9.2 51 1.5 11.5 1375 1455 STANDARD ELECTRICAL SPECIFICATIONS RATED POWER RESISTANCE RANGE TOLERANCE MODEL SIZE P 25 C % W RSO 25 x 138 25138 0.068 to 12 160 10 RSO 25 x 168 25168 0.10 to 18 200 10 RSO 30 x 250 30250 0.22 to 33 350 10 RSO 40 x 370 40370 0.33 to 56 700 10 RSO 50 x 373 50373 0.39 to 68 1000 10 MECHANICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Mechanical Protection Enamel 0.068 to 68 Resistance Range (E12 preferred series) Resistive Element Ni-Cr wire R 1 5 % n Connections AN CS supporting collars Standard Resistance Tolerance R < 1 10 % n Average Unit Weight 160 g to 1455 g Power Rating 160 W to 1 kW at 25 C ENVIRONMENTAL SPECIFICATIONS Temperature Range -55 C, +450 C Climatic Category -55 C / +200 C / 56 days PERFORMANCE TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES AND DRIFTS Short Time Overload 10 P during 5 s 2 % or 0.05 1 % r Load at P followed by cold r Thermal Shock 2 % or 0.05 1 % temp. exposure at -55 C / 15 s Phase A: +200 Climatic Sequence Phase C: -55 3 % or 0.05 1 % Phase D: 5 cycles 90 / 30 cycle Load Life 5 % 2 % 1000 h at P 25 C r RECOMMENDATIONS FOR USE OVERLOAD: The RSO resistors are capable of withstanding overloads of about 10 P for a maximum period of 5 s they can resist r momentarily even greater overloads. Particular requirements should be submitted to Vishay Sfernice. Revision: 16-Mar-16 Document Number: 50018 2 For technical questions, contact: sferfixedresistors 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