rt25 www.vishay.com vishay sfernice revision: 24-aug-16 1 document number: 50026 for technical questions, contact: sferfixedresisto rs@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 rheostat / potentiometer features ? 25 w at 25 c ? cctu 05-03b (pa1) ? vitreous - rt style ? material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 note (1) on request: sectorial winding dimensions in millimeters standard electrical specifications model resistance range ? tolerance % rated power p 25 c w variation law standard (1) limiting element voltage v dielectric strength v rms insulation resistance ? rt25 1 to 4.7k 10 25 linear 300 1000 10 3 m (500 v cc ) adaptation board panel cut out details panel cut out details rt25-pa1 7.6 ? 10.5 2 holes ? 5 23.5 23.5 ? 4.5 12.5 0.5 ? 10.5 23 60 ? 2.2 38 25 4 m10 x 0.75 - 0 ? 6 - 0.05 12 9 1 22 2 28 as mounting side climatic specifications temperature range -55 c; +320 c climatic category cctu 454 cei 55 / 200 / 56 mechanical specifications mechanical protection vitreous mechanical travel 300 5 operating torque 1 ncm to 10 ncm end stop torque 50 ncm unit weight 80 g
rt25 www.vishay.com vishay sfernice revision: 24-aug-16 2 document number: 50026 for technical questions, contact: sferfixedresisto rs@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 locking device this is supplied as an option. the available spindle length is according to the panel thickness. order reference: dba6 adaptation board this enables 2 point mounting instead of bush mounting. the adaptation board is supplied as an option with 2 mounting screws. consequently, the available spindle length is reduced by 9.5 mm. note ? for any special requirement on request: spindle flats, etc. please supply detailed drawing. marking vishay sfernice trademark, series, style, power rating in watts, ohmic value (in ? or k ? ), tolerance (in %), maximum current in a, manufacturing date. spindles ? mm distance to mounting plate mm screw driver slot code 6 22 with asf 25 without am with amf 50 without al 6 22 without as 1 0.2 13 2 tightening screws spanner n 14 max. panel thickness 6.5 particular characteristics nominal resistance ? max. service voltage v max. current through wiper ma 1 5 5000 1.5 6.12 4080 2.2 7.42 3370 3.3 9.08 2750 4.7 10.8 2300 6.8 13 1920 10 15.8 1580 15 19.4 1290 22 23.5 1070 33 28.7 870 47 34.3 730 68 41.2 605 100 50 500 150 61.2 408 220 74.2 337 330 90.8 275 470 108 230 680 130 192 1k 158 158 1.5k 194 129 2.2k 235 107 3.3k 287 87 4.7k 343 73 56 47 4 holes ? 3.5 ? 12 5 6 7 8 9 10 0 1 2 3 4 56 47 dial cg57 (option) 18 ? 7 ? 43 21 command shaft 29jf (option)
rt25 www.vishay.com vishay sfernice revision: 24-aug-16 3 document number: 50026 for technical questions, contact: sferfixedresisto rs@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 ordering information rt 025 asf 2201 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 025 d bxxx or bxxxx as applicable xxx(x) = internal number as = standard (diam: 6 mm) am amf al asf 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 ? 4700 = 470 ? 10r0 = 10 ? 0r01 = 0.01 ? j = 5 % k = 10 % b = bulk bo10 no standard packaging: n = bulk, qty. open as applicable ex = dxxx related documents application notes potentiometers and trimmers www.vishay.com/doc?51001 guidelines for vishay sfernice resistive and inductive components www.vishay.com/doc?52029 25as10r k t 0 r 0b
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