www.vishay.com for technical questions, contact: sfer@vishay.com document number: 50025 132 revision: 14-nov-12 rt12 vishay sfernice wirewound rheostat/potentiometer 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 features ? 12 w at 25 c ? cctu 05-03b (pa9) ? vitreous style ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 mechanical specifications mechanical protection vitreous mechanical travel 290 + 15 - 10 operating torque 1 ncm to 10 ncm end stop torque 25 ncm unit weight 18.3 g environmental specifications temperature range - 55 c + 320 c climatic category cctu 454 cei 55/200/56 locking device the spindle locking device can be fitted only to special units equipped with a slotted bushing. order reference: b note ? for any special requirement on re quest: spindle flats, etc. please supply detailed drawing. dimensions in millimeters mounting side ? 22.5 1.5 15.5 70 17 2 m6 x 0.75 9 1 1 12.5 2 acf 18 2 22 2 - 0 as ? 1.1 min ? 3 - 0.05 rt12-pa9 ? 3.5 6.5 0.5 ? 6.5 panel cut out details electrical specifications ohmic range 1 ? to 2.2 k ? tolerance standard 10 % power rating 12 w at 25 c variation law linear limiting element voltage 300 v dielectric strength 1000 v rms insulation resistance 10 3 m ? (500 v cc ) spindles ? mm distance to mounting plate mm screw driver slot code 3 12.5 with acf 3 22 without as 1 0.2 3 1 panel spanner n 10 7
document number: 50025 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 14-nov-12 133 rt12 wirewound rheostat/potentiometer vishay sfernice 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 marking vishay sfernice trademark, series, style, ohmic value (in ? or k ? ), tolerance (in %), maximum cu rrent in a, manufacturing date particular characteristics nominal resistance ? max. service voltage v max. current through wiper ma 1 3.46 3460 1.5 4.24 2830 2.2 5.14 2340 3.3 6.29 1910 4.7 7.51 1600 6.8 9.03 1330 10 11 1100 15 13.4 900 22 16.3 740 33 19.9 603 47 23.7 505 68 28.6 420 100 34.6 346 150 42.4 283 220 51.4 234 330 62.9 191 470 75.1 160 680 90.3 133 1k 110 110 1.5k 134 90 2.2k 163 74 21 ? 23 ? 3 16 command knob: 20jf (option) 37 45 37 45 4 holes ? 3.5 ? 7 5 6 7 8 9 10 0 1 2 3 4 dial: cg45 (option) ordering information rt 012 as 1501 k b xxx model style spindle ohmic value tolerance packaging special design global part number information global model size locking device (opt.) winding (opt.) command shaft ohmic value tolerance packaging special rt 012 d bxxx or bxxxx as applicable xxx(x) = internal number as = standard (diam: 3 mm) acf the three first digits are significant figures and the last digit specifies the number of zeros to follow. r designates decimal point. 2002 = 20 k ? 4701 = 4.7 k ? 4 8 r0 = 48 ?? 0r01 = 0.01 ? j = 5 % k = 10 % b = bulk bo10 no standard packaging: n = bulk, qty. open as applicable ex = dxxx 12as470 k t 0 r 1b
legal disclaimer notice www.vishay.com vishay revision: 02-oct-12 1 document number: 91000 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 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 o ther disclosure relating to any product. vishay makes no warranty, repres entation or guarantee regarding the suitabilit y of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicable law, vi shay 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 i mplied warranties, including warra nties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of products for certain type s of applications are based on vishays knowledge of typical requirements that are often placed on vishay products in generic applications. such statements are not binding statements about the suitability of products for a particular application. it is the customers responsib ility to validate that a particu lar product with the properties descri bed in the product specification is suitable fo r use in a particular application. parameters provided in datasheets and/or specification s may vary in different applications an d performance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vish ays terms and condit ions of purchase, including but not limited to the warranty expressed therein. except as expressly indicate d 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 vi shay 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. pleas e contact authorized vishay personnel to ob tain written terms and conditions regarding products designed for such applications. no license, express or implied, by estoppel or otherwise, to any intellectual prope rty rights is granted by this document or by any conduct of vishay. product names and markings noted herein may be trad emarks of their respective owners. material category policy vishay intertechnology, inc. hereby certi fies that all its products that are id entified as rohs-compliant fulfill the definitions and restrictions defined under directive 2011/65/eu of the euro pean parliament and of the council of june 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (eee) - recast, unless otherwis e specified as non-compliant. please note that some vishay documentation may still make reference to rohs directive 2002/95/ ec. we confirm that all the products identified as being compliant to directive 2002 /95/ec conform to directive 2011/65/eu. vishay intertechnology, inc. hereby certifi es that all its products that are identified as ha logen-free follow halogen-free requirements as per jedec js709a stan dards. please note that some vishay documentation may still make reference to the iec 61249-2-21 definition. we co nfirm that all the products identified as being compliant to iec 61249-2-21 conform to jedec js709a standards.
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