Model 830, 860 Vishay Spectrol 1 - 13/16 (46mm) Three and Ten Turn Wirewound Precision Potentiometer FEATURES 830: 15 to 50K , Three-Turn 860: 20 to 200K , Ten-Turn ELECTRICAL SPECIFICATIONS 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% 1K to 5K 0.10% 5K to 25K 0.075% 25K and above 0.05% 20 to 50 0.15% 50 to 200 0.10% 200 to 5K 0.05% 5K and above 0.025% Noise 100 ENR for both models Rotation 1080 + 4 - 0 3600 + 4 - 0 Power Rating 3.0 watts at 40C 8.0 watts at 40C derated to zero at 125C derated to zero at 125C Insulation Resistance 1000M minimum 500VDC Dielectric Strength 1000V , 60Hz RMS 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 ORDERING INFORMATION Models 830 and 860 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service 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: special linearity tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow additional lead time for delivery. For technical questions, contact sfer vishay.com www.vishay.com Document Number: 57073 110 Revision 16-Jul-03Model 830, 860 1 - 13/16 (46mm) Three and Ten Turn Wirewound Vishay Spectrol Precision Potentiometer DIMENSIONS in inches (millimeters) MODEL 830 MODEL 860 MTG. FACE MTG. FACE 1 0.015 2 0.015 1.218 0.031 0.031 2.000 0.812 (30.94) 0.812 (50.80) (20.62) (20.62) 0.250 0.250 MIN 0.015 MIN 0.015 (6.35) 0.312 0.312 (6.35) (7.92) (7.92) 0.062 0.062 (1.57) (1.57) 0.030 0.030 MAX 0.015 MAX 0.010 (0.76) 0.010 (0.76) 0.218 (0.25) (0.25) (5.54) 2 1 3 21 3 3/8 - 32 UNEF - 2A 3/8 - 32 UNEF - 2A 0.015 0.015 1.812 1.812 (46.02) (46.02) 0.562 (14.27) + 0.0000 + 0.0000 0.062 0.062 - 0.0003 - 0.0003 (1.57) 0.2497 (1.57) 0.2497 0.125 (6.34) (6.34) + 0.0000 (3.18) + 0.0000 - 0.0020 2 - 0.0020 0.4062 MTG. CW 0.4062 MTG. (10.32) 0.010 (10.32) 1 3 1 ADD 1.010 (25.65) FOR 2 GANG UNIT SCHEMATIC 0.010 TOLERANCES: OTHERWISE NOTED 2 ADD 1.787 (45.39) FOR 2 GANG UNIT DECIMALS 0.005 ANGLES 2 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 2 2 Moment Inertia 5.5gm - cm Maximum 15.0gm - cm Maximum For technical questions, contact sfer vishay.com Document Number: 57073 www.vishay.com Revision 16-Jul-03 111