document number: 57073 revision 16-jul-03 www.vishay.com 110 model 830, 860 vishay spectrol for technical questions, contact sfer@vishay .com features ? 830: 15 ? to 50k ? , three-turn ? 860: 20 ? to 200k ? , ten-turn 1 - 13/16?(46mm) three and ten turn wirewound precision potentiometer parameter model 830 model 860 total resistance standard range 15 ? to 50k ? 20 ? to 200k ? special to 150k ? special to 500k ? tolerance: standard special 200 ? and above 3% 1% below 200 ? 5% 3% linearity (independent) 0.25% standard 15 ? to 1k ? 0.15% C 1k ? to 5k ? 0.10% C 5k ? to 25k ? 0.075% C 25k ? and above 0.05% C 20 ? to 50 ? C 0.15% 50 ? to 200 ? C 0.10% 200 ? to 5k ? C 0.05% 5k ? and above C 0.025% noise 100 ? enr for both models rotation 1080 + 4 - 0 3600 + 4 - 0 power rating 3.0 watts at 40 c 8.0 watts at 40 c derated to zero at 125 c derated to zero at 125 c insulation resistance 1000m ? minimum 500vdc dielectric strength 1000v rms , 60hz absolute minimum resistance not to exceed linearity x total resistance or 1 ? , whichever is greater end voltage 0.5% of total applied voltage maximum phasing ccw end points sect. 2 phased to sect 1 within 1 taps (extra) 42 available as special 108 available as special standard tolerance 1 standard tolerance 1 electrical specifications ordering information models 830 and 860 can be ordered from this data sheet with a variety of alternate characteristics, as shown. for most rapid s ervice on your order, please state: 830, 860 1 1 xxx model bushing mount number of sections resistance of each section beginning with the section nearest the mounting end other characteristics will be standard as described on this data sheet. if special characteristics are required, such as: spec ial linearity tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow add itional lead time for delivery.
www.vishay.com 111 model 830, 860 vishay spectrol document number: 57073 revision 16-jul-03 for technical questions, contact sfer@vishay .com dimensions in inches (millimeters) mechanical specifications parameter 830 860 rotation 1080 + 4 - 0 3600 + 4 - 0 bearing type sleeve bearing torque (maximums): starting starting running section 1 1.75 oz - in(126,02gm - cm) 1.26 oz - in (90.01gm - cm) section 2 2.55 oz - in(183,62gm - cm) 1.85 oz - in (133,21gm - cm) runouts (maximums) shaft(tir) 0.002 in (0.05cm) pilot dia (tir) 0.002 in (0.05cm) lateral (tir) 0.005 in (0.13cm) shaft end play 0.002 in min 0.010 in maximum (0.05 - 0.25cm) shaft radial play 0.003 in maximum (0.08cm) weight (maximums) single section 3.0 oz (85.05gm) 4.5 oz (127.58gm) additional section 2.5 oz (70.80gm) 4.0 oz (113.40gm) stop strength 750 oz - in (static) (54.01kgm - cm) ganging 2 sections maximum ears of clamp band between sections positioned 45 , 10 ccw from terminal center line moment inertia 5.5gm - cm 2 maximum 15.0gm - cm 2 maximum 1 - 13/16 (46mm) three and ten turn wirewound precision potentiometer 2.000 (50.80) 0.015 0.250 min (6.35) 0.062 (1.57) 0.010 (0.25) 0.312 (7.92) 0.015 0.030 max (0.76) 3/8 - 32 unef - 2a 1.812 (46.02) 0.015 0.2497 (6.34) + 0.0000 - 0.0003 0.4062 mtg. (10.32) + 0.0000 - 0.0020 0.062 (1.57) 21 3 0.218 (5.54) 0.015 0.562 (14.27) 0.125 (3.18) mtg. face 0.812 (20.62) 0.031 0.312 (7.92) 0.030 max (0.76) 0.015 1.812 (46.02) 0.015 0.2497 (6.34) + 0.0000 - 0.0003 0.4062 mtg. (10.32) + 0.0000 - 0.0020 0.062 (1.57) 0.010 (0.25) 0.062 (1.57) 0.250 min (6.35) 1.218 (30.94) 0.015 model 830 model 860 1 2 1 2 add 1.010 (25.65) for 2 gang unit add 1.787 (45.39) for 2 gang unit 0.010 0.010 tolerances: otherwise noted decimals 0.005 angles 2 schematic 2 3 1 cw 3/8 - 32 unef - 2a 1 2 3 mtg. face 0.812 (20.62) 0.031
document number: 57073 revision 16-jul-03 www.vishay.com 112 model 830, 860 vishay spectrol for technical questions, contact sfer@vishay .com power rating chart environmental specifications vibration 10g thru 500 cps shock 50g rotational life 500,000 shaft revolution load life 900 hours temperature range - 55 c to + 125 c moisture resistant C salt spray 48 hours unit units will be marked with spectrol name and identification model no, resistance and resistance tolerance, linearity, terminal identification, and date code marking 1 - 13/16 (46mm) three and ten turn wirewound precision potentiometer material specifications bushing aluminum, nickel plated housing and front lid molded glass filled thermoset plastic rear lid molded glass filled nylon shaft stainless steel, non magnetic, non-passivated terminals brass, plated for solderability mounting hardware lock washer: internal tooth steel, nickel plated panel nut: brass, nickel plated maximum maximum standard current voltage wire resistance reso- ohms at 70 c across temp. values lution per ambient coil coef. ( ? ) (%) turn (ma ) (v) (ppm/ c) model 860 20 0.044 0.009 632 13 800 50 0.027 0.014 400 20 800 100 0.024 0.024 283 28 800 200 0.028 0.056 200 40 180 500 0.023 0.115 126 63 20 1k 0.018 0.182 89 89 20 2k 0.020 0.402 63 126 110 5k 0.015 0.754 40 200 20 10k 0.013 1.23 28 283 20 20k 0.010 1.97 20 400 20 50k 0.007 3.69 13 632 20 100k 0.007 6.51 8.9 894 20 200k 0.005 9.63 5.0 1,000 20 500k 0.004 20.0 2.0 1,000 20 model 830 20 0.094 0.019 387 8 800 50 0.074 0.037 245 12 800 100 0.071 0.071 173 17 180 200 0.072 0.145 122 25 20 500 0.064 0.320 77 39 110 1k 0.050 0.500 55 55 110 2k 0.047 0.948 39 77 20 5k 0.035 1.73 24 125 20 10k 0.029 2.92 17 176 20 20k 0.024 4.80 12 250 20 50k 0.017 8.31 8 375 20 100k 0.015 14.5 5 600 20 150k 0.013 20.0 4 750 20 resistance element data 0 20 40 60 80 100 120 140 ambient temperature in ( c) rated power in (w atts) 0 2 4 6 8 10 12 860 830
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