Features
■ Bushing mount
■ Sealable
■ RoHS compliant*
■ Non-standard features and specifications
available
■ Optional high torque feature
■ Optional center tap feature
■ Gangable
3500/3501 - Precision Potentiometer
®
1
Electrical Characteristics
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
1
Environmental Characteristics
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
2
Storage Temperature Range .............................................. ±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
2
Rotational Life (No Load)......................................................... 2,000,000 shaft revolutions ..........................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
1
Mechanical Characteristics
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.
1
2
At room ambient: +25 °C nominal and 50 ꢀ relative humidity nominal, except as noted.
Consult manufacturer for complete specification details.
Recommended Part Numbers
ROHS IDENTIFIER:
L = COMPLIANT
Part Number
Resistance (Ω)
1,000
Resolution (%)
.030
Part Number
Resistance (Ω)
1,000
3500S-1-102L
3500S-1-502L
3500S-1-103L
3500S-2-102L
3500S-2-502L
3500S-2-103L
3501H-1-102L
3501H-1-502L
3501H-1-103L
5,000
10,000
5,000
10,000
1,000
5,000
10,000
.018
.019
.030
.018
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
“Hybritron” is a registered trademark of Bourns, Inc.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex
and RoHS Recast 2011/65/EU June 8, 2011.
.019
FOR OTHER OPTIONS CONSULT FACTORY.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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