oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features ■ *R ■ ■ ■ ■ ■ Bushing mount Sealable Non-standard features and specifications available Optional high torque feature Optional center tap feature Gangable 3500/3501 - Precision Potentiometer Electrical Characteristics1 3501 Hybritron¤ Element 3500 Wirewound Element Standard Resistance Range........................................50 to 200 K ohms ........................................................1 K to 200 K ohms Total Resistance Tolerance..........................................±3 % ............................................................................±10 % Independent Linearity..................................................±0.20 %........................................................................±0.25 % Effective Electrical Angle ............................................3600 ° +10 °, -0 ° ........................................................3600 ° +10 °, -2 ° Absolute Minimum Resistance/Minimum Voltage ......1 ohm or 0.1 % maximum ..........................................0.2 % maximum (whichever is greater) Noise ..........................................................................100 ohms ENR maximum ............................................Output smoothness 0.1 % max. Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ................................................................1,500 VAC minimum ....................................................1,500 VAC minimum 70,000 Feet ............................................................400 VAC minimum........................................................400 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 325 VAC, Whichever Is Less) +70 °C ....................................................................2 watts..........................................................................2 watts +125 °C ..................................................................0 watt............................................................................0 watt Insulation Resistance (500 VDC) ................................1,000 megohms minimum............................................1,000 megohms minimum Resolution....................................................................See recommended part nos ........................................Essentially infinite Environmental Characteristics1 Operating Temperature Range ....................................+1 °C to +125 °C..........................................................+1 °C to +125 °C Storage Temperature Range ......................................-65 °C to +125 °C ........................................................-65 °C to +125 °C Temperature Coefficient Over Storage Temperature Range2 ..................................±50 ppm/°C maximum/unit ..........................................±100 ppm/°C maximum/unit Vibration ......................................................................20 G..............................................................................20 G Wiper Bounce ........................................................0.1 millisecond maximum ............................................0.1 millisecond maximum Total Resistance Shift ............................................±2 % maximum............................................................±2 % maximum Voltage Ratio Shift ..................................................±0.1 % maximum ........................................................±0.1 % maximum Shock ..........................................................................100 G............................................................................100 G Wiper Bounce ........................................................0.1 millisecond maximum ............................................0.1 millisecond maximum Total Resistance Shift ............................................±2 % maximum............................................................±2 % maximum Voltage Ratio Shift ..................................................±0.1 % maximum ........................................................±0.1 % maximum Load Life......................................................................1,000 hours, 2 watts ....................................................1,000 hours, 2 watts Total Resistance Shift ............................................±2 % maximum............................................................±5 % maximum Rotational Life (No Load) ............................................2,000,000 shaft revolutions2 ........................................4,000,000 shaft revolutions Total Resistance Shift ............................................±5 % maximum............................................................±5 % maximum Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ............................................±2 % maximum............................................................±5 % maximum IP Rating ......................................................................IP 65 ............................................................................IP 65 Mechanical Characteristics1 Stop Strength..........................................................................................................................................................................67.8 N-cm (96 oz.-in.) minimum Mechanical Angle ..........................................................................................................................................................................................3600 ° +10 °, -0 ° Torque (Starting & Running)..................................................................................................................................................0.42 N-cm (0.6 oz.-in.) maximum Mounting ................................................................................................................................................................170-200 N-cm (15-18 lb.-in.) maximum Shaft Runout......................................................................................................................................................................................0.05 mm (0.002 in.) T.I.R. Lateral Runout ..................................................................................................................................................................................0.13 mm (0.005 in.) T.I.R. Shaft End Play ..................................................................................................................................................................................0.13 mm (0.005 in.) T.I.R. Shaft Radial Play ..............................................................................................................................................................................0.08 mm (0.003 in.) T.I.R. Pilot Diameter Runout ......................................................................................................................................................................0.05 mm (0.002 in.) T.I.R. Backlash ............................................................................................................................................................................................................1.0 ° maximum Weight......................................................................................................................................................................................................Approximately 28 gm Terminals....................................................................................................................................Gold-plated solder lugs or turrets (see Product Dimensions) Soldering Condition Manual Soldering ..........................................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire; 370 °C (700 °F) max. for 3 seconds Wave Soldering ...................................................................................96.5Sn/3.0Ag/0.5Cu solder with no-clean flux; 260 °C (500 °F) max. for 5 seconds Wash processes ........................................................................................................................................................................................Not recommended Marking ..................................Manufacturer’s name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code. Ganging (Multiple Section Potentiometers) ..................................................................................................................................................2 cups maximum Hardware..............................................................................One lockwasher (H-37-2) and one mounting nut (H-38-2) is shipped with each potentiometer. Recommended Part Numbers Part Number 3500S-1-102L 3500S-1-502L 3500S-1-103L 3500S-2-102L 3500S-2-502L 3500S-2-103L Resistance (Ω) 1,000 5,000 10,000 1,000 5,000 10,000 Resolution .030 .018 .019 .030 .018 .019 Part Number 3501H-1-102L 3501H-1-502L 3501H-1-103L Resistance (Ω) 1,000 10,000 10,000 BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. RoHS IDENTIFIER: L = COMPLIANT BLANK = NON-COMPLIANT *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 3500/3501 - Precision Potentiometer Product Dimensions Panel Thickness Dimensions 3501H 3500S WIPER 5.46 ± .76 (.215 ± .030) CCW 3/8 "-32 2A THD UNEF .25 X 45 ° CHAMFER (.010) 10.32 + .00/ - .05 (.4062+.000/-.002) PILOT DIA. 1.52 (.06) CW 23.62 ± .25 (.930 ± .010) 20.50 ± .38 (.807 ± .015) 2.54 (.10) MIN. WIPER CCW CW 3/8 "-32 2A THD UNEF .25 X 45 ° CHAMFER (.010) 10.32 + .00/ - .05 (.4062+.000/-.002) PILOT DIA. 1.52 (.06) PANEL HEX NUT .6.34 + .00/- .01 DIA. (.249+.0000/-.0003) 8.0 ± .38 (.315 ± .015) 25.4 ± .51 (1.00 ± .02) 12.7 REF. (1/2) 12.7 REF. (1/2) 20.64 ±.79 (13/16 ± 1/32) 25.4 ± .51 (1.00 ± .02) 45 ° ± 5 ° 8.9 (.35) 45 ° ± 5 ° .6.34 + .00/- .01 DIA. (.249+.0000/-.0003) 8.0 ± .38 (.315 ± .015) 20.64 ±.79 (13/16 ± 1/32) 22.23 (7/8) .76 (.03) .467 (.184) .49 (12.45) 22.23 (7/8) 3500S-1-RC 11/16 (plastic bushing) (17.46) 3500S-2-RC 13/16 (metal bushing) (20.64) 3501H-1-RC 13/16 (metal bushing) (20.64) 10.41 ± .08 DIA. (.410 ± .003) R CW CLOCKWISE REV. 05/07 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 7.42 (.292) ADDITIONAL HOLE FOR ANTIROTATION PIN 1.60 +.08/-.03 DIA. (.063 +.003/-.001) MM (INCHES) TOLERANCES: ± WIPER 3 1 LOCATION OF OPTIONAL 7.37 A/R PIN ON R (.29) ADJUSTMENT SLOT .81 WIDE X (.032) .81 ± .25 DEEP (.032 ± .010) DIMENSIONS: TOLERANCES: EXCEPT WHERE NOTED .25 .13 DECIMALS: .XX ± .XXX ± (.010), (.005) FRACTIONS: ±1/64 MM DIMENSIONS: (IN.) 2 POT 8.9 (.35) R MAX. 16.0 (.63) NOTE: SHAFT LENGTH VARIATIONS LOCKWASHER .76 45 ° ± 5 ° (.03) 45 ° ± 5 ° LOCATION OF OPTIONAL 7.37 A/R PIN ON R (.29) ADJUSTMENT SLOT .81 WIDE X (.032) .81 ± .25 DEEP (.032 ± .010) 16.0 (.63) R MAX. CCW 2.46 - 3.81 (.097 - .150) 0.127 (.005)