rt55 www.vishay.com vishay sfernice revision: 24-aug-16 1 document number: 50027 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 ? 55 w at 25 c ? cctu 05-03b (pa3) ? material categorization: for 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 ? rt55 1 to 10k 10 55 linear 500 (linear law) 1000 10 3 m (500 v cc ) adaptation board panel cut out details panel cut out details rt55-pa3 7.6 ? 10.5 2 holes ? 5 23.5 23.5 ? 4.5 12.5 0.5 ? 10.5 ? 6 - 0.05 38 60 2.5 60 screw m3 36 4 - 0 m10 x 0.75 9 1 15 as 39 25 2 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 2 ncm to 15 ncm end stop torque 100 ncm unit weight 175 g
rt55 www.vishay.com vishay sfernice revision: 24-aug-16 2 document number: 50027 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 su pplied as an option with 2 mounting screws. note ? for any special requirement on request: spindle flats, etc. please supply detailed drawing. marking vishay sfernice trademark, series, style, ohmic value (in ? or k ? ), tolerance (in %), maximum curre nt in a, manufacturing date. spindles ? mm distance to mounting plate mm screw driver slot code 6 22 without ad with adf 25 without as with asf 50 without al 1 0.2 2 tightening screws spanner n o 14 max. panel thickness 13 6.5 particular characteristics nominal resistance ? max. service voltage v max. current through wiper a 1 7.41 7.41 1.5 9.08 6.05 2.2 11 5 3.3 4.7 6.8 4.7 16.1 3.42 6.8 19.3 2.84 10 23.5 2.35 15 28.7 1.91 22 34.8 1.58 33 42.6 1.29 47 50.8 1.08 68 61.2 0.9 100 74.1 0.74 150 90.8 0.6 220 110 0.5 330 135 0.4 470 161 0.34 680 193 0.28 1k 235 0.23 1.5k 287 0.19 2.2k 348 0.16 3.3k 426 0.13 4.7k 500 0.11 5.6k 500 0.09 10k 500 0.05 4 holes ? 3.5 2 holes ? 4.5 ?12 47 65 78 78 65 0 1 2 3 4 5 6 7 8 9 10 dial cg78 (option) 21 ? 56 18 ?6 command knob 41jf (option)
rt55 www.vishay.com vishay sfernice revision: 24-aug-16 3 document number: 50027 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 055 as 4701 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 055 d bxxx or bxxxx as applicable xxx(x) = internal number as = standard (diam: 6 mm) al asf ad adf 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 ? 22r0 = 22 ? 0r01 = 0.01 ? j = 5 % k = 10 % b = bulk bo1 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 55as22r k t 0 r 0b
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