RSO VISHAY

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Technical content

www.vishay.com Vishay Sfernice Revision: 16-Mar-16 1 Document Number: 50018 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 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 A Z F P Ø B Ø Q R Ø C Ø C DE SCREWED STAINLESS STEEL 304 l “AN” TYPE 1 A Ø B J K Ø C M G H 15 L SCREWED STAINLESS STEEL 304 l “CS” TYPE 1 A Ø B Ø C J K M G H 15 L SCREWED STAINLESS STEEL 304 l “CS” TYPE 2

www.vishay.com Vishay Sfernice Revision: 16-Mar-16 2 Document Number: 50018 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 RECOMMENDATIONS FOR USE OVERLOAD:  The RSO resistors are capable of wi thstanding overloads of about 10 Pr for a maximum period of 5 s; they can resist momentarily even greater overloads. Particular requirements should be submitted to Vishay Sfernice. DIMENSIONS in millimeters RSO SERIES CONNECTIONS A ± 2 Ø B MAX. Ø C MIN. D MAX. E F + 0.5 + 0 G - 4 / + 0 H - 4 / + 0 J 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 50 x 373 AN type 2 CS type 2 373 65 27.1 97 63 ± 1.5 18 432 405 79 RSO SERIES CONNECTIONS K L + 0.5 M ± 0.5 P Q R Z AVERAGE UNIT WEIGHT IN g 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 MODEL SIZE RESISTANCE RANGE RATED POWER P25 °C W TOLERANCE ± % 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 Mechanical Protection Enamel Resistive Element Ni-Cr wire Connections AN CS supporting collars Average Unit Weight 160 g to 1455 g ENVIRONMENTAL SPECIFICATIONS Temperature Range -55 °C, +450 °C Climatic Category -55 °C / +200 °C / 56 days TECHNICAL SPECIFICATIONS Resistance Range 0.068  to 68  (E12 preferred series) Standard Resistance Tolerance Rn  1  ± 5 % Rn < 1  ± 10 % Power Rating 160 W to 1 kW at 25 °C PERFORMANCE TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES AND DRIFTS Short Time Overload 10 P r during 5 s 2 % or 0.05  1 % Thermal Shock Load at Pr followed by cold temp. exposure at -55 °C / 15 s 2 % or 0.05  1 % Climatic Sequence Phase A: +200° Phase C: -55° Phase D: 5 cycles 3 % or 0.05  1 % Load Life 90' / 30' cycle 1000 h at Pr 25 °C 5 % 2 %

www.vishay.com Vishay Sfernice Revision: 16-Mar-16 3 Document Number: 50018 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 POWER RATING TEMPERATURE RISE MARKING Vishay Sfernice trademark, model, style, nominal resistance (in ), tolerance (in %), manufacturing date. AMBIENT TEMPERATURE IN °C 100 125 0 100 200 300 400 450 RATED POWER IN % PACKAGING Box: Fixed quantity depending on size and collars RATED POWER IN W 450 400 300 200 100 10 100 1000 HOT SPOT TEMPERATURE IN °C RSO 25 x 138RSO 30 x 250 RSO 25 x 168 RSO 40 x 370 RSO 50 x 373

ORDERING INFORMATION

RSO 25 x 168 XXX CS U82 ± 10 % B02NA e MODEL STYLE SPECIAL DESIGN Method N° Optional CONNECTIONS OHMIC VALUE Custom items are subject to extra-charge and min. order. Please see price list. TOLERANCE PACKAGING LEAD (Pb)-FREE SAP PART NUMBERING GUIDELINES RSO 25168 C R820 K N MODEL STYLE CONNECTIONS OHMIC VALUE TOLERANCE PACKAGING RELATED DOCUMENTS APPLICATION NOTES Packaging Information www.vishay.com/doc?50033 Accessories www.vishay.com/doc?50021

www.vishay.com Vishay Revision: 09-Jul-2021 1 Document Number: 91000 Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA AR E SUBJECT TO CHANGE WITH OUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employee s, and all persons acting on it s or their behalf (collectivel y, “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. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product , (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all implied warranties, incl uding warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of pro ducts for certain types of applications are based on Vishay's knowledge of typical requirements that are often placed on Vishay products in ge neric applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specificat ions may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of any of the products, services or opinions of the corporation, organization or individual associated with the third-party website. Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party web site or for that of subsequent links. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. © 2021 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED