Features
■ Bushing mount
■ Sealable
■ Non-standard features and specifications available
■ Optional high torque feature
■ Optional center tap feature
■ Gangable
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..........................................±± ꢀ ............................................................................±10 ꢀ
Independent Linearity..................................................±0.20 ꢀ........................................................................±0.25 ꢀ
Effective Electrical Angle ............................................±600 ° +10 °, -0 ° ........................................................±600 ° +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 ±01)
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 ±25 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 10±, 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 ..........................................................................................................................................................................................±600 ° +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 ..................................................................................................................................................................................0.1± mm (0.005 in.) T.I.R.
Shaft End Play ..................................................................................................................................................................................0.1± mm (0.005 in.) T.I.R.
Shaft Radial Play ..............................................................................................................................................................................0.08 mm (0.00± 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/±.0Ag/0.5Cu solid wire or no-clean rosin cored wire; ±70 °C (700 °F) max. for ± seconds
Wave Soldering...................................................................................96.5Sn/±.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-±7-2) and one mounting nut (H-±8-2) is shipped with each potentiometer.
Recommended Part Numbers
BOLDFACE LISTINGS ARE IN STOCK AND READILY
Part Number
Resistance (Ω)
1,000
Part Number
Resistance (Ω)
1,000
Resolution
.0±0
.018
.019
.030
AVAILABLE THROUGH DISTRIBUTION.
3501H-1-102L
3501H-1-502L
3501H-1-103L
±500S-1-102L
±500S-1-502L
±500S-1-10±L
3500S-2-102L
3500S-2-502L
3500S-2-103L
FOR OTHER OPTIONS CONSULT FACTORY.
10,000
10,000
5,000
10,000
1,000
5,000
10,000
RoHS IDENTIFIER:
L = COMPLIANT
BLANK = NON-COMPLIANT
.018
.019
*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.
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