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oH V SC AV ER OM AI SIO PL LA N IA BL S NT E
Features

Bushing mount Sealable Non-standard features and specifications available Optional high torque feature Optional center tap feature Gangable
*R
3500/3501 - Precision Potentiometer
Electrical Characteristics1 3500 Wirewound Element 3501 Hybritron 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 () 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 () 1,000 5,000 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
3500S
WIPER 5.46 .76 (.215 .030) CCW CW 3/8 "-32 2A THD UNEF .25 X 45 CHAMFER (.010) 10.32 + .00/ - .05 (.4062+.000/-.002) PILOT DIA.
Panel Thickness Dimensions
3501H
23.62 .25 (.930 .010) 20.50 .38 (.807 .015) 2.54 (.10) MIN. CCW CW
2.46 - 3.81 (.097 - .150)
1.52 (.06)
WIPER
1.52 (.06)
3/8 "-32 2A THD UNEF .25 X 45 CHAMFER (.010) 10.32 + .00/ - .05 (.4062+.000/-.002) PILOT DIA.
PANEL
HEX NUT
8.0 .38 (.315 .015) 25.4 .51 (1.00 .02) 20.64 .79 (13/16 1/32) 45 5 8.9 (.35)
.6.34 + .00/- .01 DIA. (.249+.0000/-.0003) 12.7 REF. (1/2) 8.0 .38 (.315 .015) 25.4 .51 (1.00 .02) .6.34 + .00/- .01 DIA. (.249+.0000/-.0003) 12.7 REF. (1/2) 20.64 .79 (13/16 1/32) .76 45 5 (.03) 8.9 (.35) LOCATION OF OPTIONAL 7.37 A/R PIN ON R (.29) ADJUSTMENT SLOT .81 WIDE X (.032) .81 .25 DEEP (.032 .010)
LOCKWASHER POT
45 5
45 5 .467 (.184) R MAX. 16.0 (.63) .49 (12.45)
16.0 (.63) R MAX.
22.23 (7/8)
LOCATION OF OPTIONAL 7.37 A/R PIN ON R (.29) ADJUSTMENT SLOT .81 WIDE X (.032) .81 .25 DEEP (.032 .010)
.76 (.03)
10.41 .08 DIA. (.410 .003)
NOTE: SHAFT LENGTH VARIATIONS 3500S-1-RC 3500S-2-RC 3501H-1-RC 11/16 (plastic bushing) (17.46) 13/16 (metal bushing) (20.64) 13/16 (metal bushing) (20.64)
22.23 (7/8)
R
7.42 (.292)
ADDITIONAL HOLE FOR ANTIROTATION PIN 1.60 +.08/-.03 DIA. (.063 +.003/-.001)
TOLERANCES: EXCEPT WHERE NOTED .25 .13 DECIMALS: .XX .XXX (.010), (.005) FRACTIONS: 1/64 MM DIMENSIONS: (IN.)
DIMENSIONS:
MM (INCHES) 0.127 (.005)
TOLERANCES:
2
CCW
WIPER
1
CLOCKWISE
3
CW
REV. 12/07 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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