7 / 8 " (22.2 mm) single turn cermet precision potentiometer model 159 vishay spectrol www.vishay.com for technical questions, contact: sfer@vishay.com document number: 57041 18 revision: 07-sep-07 not for new design this model 159 is only for maintenance purposes. it is not recommended for new designs and will be obsolete in a near future. features ? rugged, high-quality, all metal housing ? short length behind panel (11/32"/8.73 mm) ? high ohmic values up to: 2 m ? extra taps available rohs compliant electrical specifications parameter standard ohmic values range 500 to 2 m tolerance standard: 20 % special: 5 % linearity (independent) standard best practical 0.5 % 0.25 % output smoothness 0.1 % maximum power rating (at 40 c ambient) 3.5 w derated to zero at 150 c electrical angle 340 4 insulation resistance 1000 m minimum 500 v dc dielectric strength 1000 v rms , 60 hz minimum voltage 0.5 % max. temperature coefficient of resistance 100 ppm/c ordering information/description the models 159 can be ordered from this data sheet with a variety of alternate characteristics, as shown. for most rapid servic e on your order, please state: 159 b 10k bo10 model mounting ohmic value packaging b = bushing s = servo box of 10 pieces other characteristics will be standard as de scribed on this data sheet. if special charac teristics are requir ed, such as: speci al linearity tolerance, special resistance tolerance, hi gh torque, 1/8 shaft - 1/4 - 32 bushing, stops, non - linear functions, etc., state these on your order sap part numbering guidelines 159 s 205 b10 model style ohmic value packaging servo 2 m box of 10 pieces
model 159 7 / 8 " (22.2 mm) single turn cermet precision potentiometer vishay spectrol document number: 57041 for technica l questions, contact: sfer@vishay.com www.vishay.com revision: 07-sep-07 19 not for new design dimensions in inches (millimeters) bushing mount type servo mount type mechanical specifications parameter rotation 360 continuous bearing type servo mount: ball bearing bushing mount: sleeve bearing torque (maximums) starting running servo 0.25 oz. - in (18.00 g - cm) 0.15 oz. - in (10.80 g - cm) bushing 0.30 oz. - in (21.60 g - cm) 0.25 oz. - in (18.00 g - cm) mechanical runouts (maximums) bushing servo shaft runout 0.002" (0.05 cm) 0.002" (0.05 cm) pilot dia. runout - 0.002" (0.05 cm) lateral runout 0.005" (0.13 cm) 0.002" (0.05 cm) shaft end play 0.006" (0.15 cm) 0.005" (0.13 cm) shaft radial play 0.003" (0.08 cm) 0.002" (0.05 cm) weight 0.5 oz. maximum (14.18 g) mounting surface 0. 8 75 (22.22) 0.031 0.030 max. (0.76) ? 0.375 (9.52) x 0.062 (1.57) wide imperfect thr?d area ? 0.2497 (6.34) + 0.0000 - 0.0003 0.312 (7.92) ? 0.350 max. ( 8 . 8 9) 3 / 8 - 32 unef - 2a ? 0.062 (1.57) x 0.062 high (1.57) locating pin 0.365 (9.27) 0.010 0.015 0.345 ( 8 .76) 0.010 0.125 (3.1 8 ) ? 0. 8 75 (22.22) 90 0.190 terminal radius (4. 8 3) 0.500 (12.70) mounting surface ? 0.200 max. (5.0 8 ) ? 0.124 8 (3.17) + 0.0000 - 0.0005 ? 0.7500 (19.05) ? 0. 8 75 (22.22) ? 0.750 max. (19.05) 0.015 0.455 (11.56) 0.062 (1.57) 0.062 (1.57) 0.062 (1.57) 0.020 max. (0.51) + 0.0000 - 0.0003 0.031 tolerances: unless otherwise noted. decimals 0.005 angles 2 cw schematic 2 3 1
model 159 vishay spectrol 7 / 8 " (22.2 mm) single turn cermet precision potentiometer www.vishay.com for technical questions, contact: sfer@vishay.com document number: 57041 20 revision: 07-sep-07 not for new design material specifications housing aluminum, anodized shaft stainless steel, non-magnetic non-passivated rear lid molded glass filled phenolic terminals brass, plated for solderability bushing mount hardware lockwasher internal tooth: panel nut: steel, nickel plated brass, nickel plated power rating chart environmental specifications vibration 15 g thru 2000 hz shock 50 g salt spray 96 h rotational life shaft revolution: bushing 2 million servo 5 million load life 900 h operating temperature range - 55 c to - + 150 c marking unit identification units shall be marked with spectrol name, model number, resistance and tolerance, linearity terminal identification and data code. applicable test procedures: mil-r-39023 rated power in w 0 1 2 3 4 ambient temperature in c 0204060 8 0 100 120 140 160
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. 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. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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