Features
■ Bushing mount
■ Optional ±0.05 linearity option
■ Excellent wiper stability
■ High stop strength
■ Sealable
■ RoHS compliant*
3400 - Precision Potentiometer
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and
RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in
different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
Electrical Characteristics
1
Standard Resistance Range......................................................................... 100 to 500 K ohms
Total Resistance Tolerance ................................................................................................. ±3 %
Independent Linearity .................................................................................................... ±0.15 %
Effective Electrical Angle ...................................................................................3600 ° +4 °, -0 °
Absolute Minimum Resistance .....................1 ohm or 0.15 % maximum (whichever is greater)
Noise ................................................................................................ 100 ohms ENR maximum
Dielectric Withstanding Voltage ........................................................MIL-STD-202, Method 301
Sea Level ................................................................................................1,000 VAC minimum
80,000 Feet ................................................................................................300 VAC minimum
Power Rating (Voltage Limited By Power Dissipation, or ....................................(40 °C) 5 watts
1,000 VAC, Whichever Is Less) ...................................................................... (125 °C) 0 watt
Insulation Resistance (500 VDC) ...................................................... 1,000 megohms minimum
Resolution.................................................................................See recommended part number
Environmental Characteristics
1
Operating Temperature Range ........................................................................ +1 °C to +125 °C
Storage Temperature Range .......................................................................... -65 °C to +125 °C
Temperature Coeffi cient Over Storage Temperature Range
2
......... ±20 ppm/°C maximum/unit
Vibration ..............................................................................................................................10 G
Wiper Bounce ................................................................................. 0.1 millisecond maximum
Total Resistance Shift .....................................................................................±2 % maximum
Voltage Ratio Shift .......................................................................................±0.1 % maximum
Shock...................................................................................................................................50 G
Wiper Bounce ................................................................................. 0.1 millisecond maximum
Total Resistance Shift .....................................................................................±2 % maximum
Voltage Ratio Shift .......................................................................................±0.1 % maximum
Load Life ..................................................................................................... 1,000 hours, 5 watts
Total Resistance Shift .....................................................................................±2 % maximum
Rotational Life (No Load).............................................................. 2,000,000 shaft revolutions
2
Total Resistance Shift .....................................................................................±5 % maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift .....................................................................................±2 % maximum
IP Rating ............................................................................................................................. IP 40
Mechanical Characteristics
1
Stop Strength.......................................................................................53 N-cm (75 oz.-in.) min.
Mechanical Angle .................................................................................................3600° +4°, -0°
Torque (Starting & Running) ...........................................................0.35 N-cm (0.5 oz.-in.) max.
Mounting .................................................................................... 170-200 N-cm (15-18 lb.-in.)
Shaft Runout.......................................................................................0.08 mm (0.003 in.) T.I.R.
Lateral Runout ....................................................................................0.13 mm (0.005 in.) T.I.R.
Shaft End Play ....................................................................................0.25 mm (0.010 in.) T.I.R.
Shaft Radial Play ................................................................................0.08 mm (0.003 in.) T.I.R.
Pilot Diameter Runout ........................................................................0.08 mm (0.003 in.) T.I.R.
Backlash ............................................................................................................. 1.0 ° maximum
Weight .......................................................................................................Approximately 21 gm
Terminals ............................................................................................... Gold-plated solder lugs
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 fl ux; 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 Pots.) ..................................................................... 2 cups maximum
Hardware .......................................... One lockwasher (H-37-2) and one mounting nut (H-38-2)
is shipped with each potentiometer.
1 At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2 Consult manufacturer for complete specifi cation details for resistances below 500 ohms and above
100K ohms.
Product Dimensions
BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE
THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
ROHS IDENTIFIER:
L = COMPLIANT
Recommended Part Numbers
Part Number Resistance (Ω) Resolution (%)
3400S-1-102L 1,000 .020
3400S-1-502L 5,000 .013
3400S-1-103L 10,000 .010
*RoHS COMPLIANT
WIPER
1-13/16
(46.04)
DIA.
29.37
(1-5/32)
3/8 "-32 2A THD UNEF
CCW CW
45 ° X .25
CHAMFER
10.32 + .00/ - .05
(.4062 + .000/ -.002)
PILOT DIA.
7.94
5/16
20.64
(13/16)
1.52
(.06)
39.4
ADD
(1.55)
FOR
ADDITIONAL CUP
4.76
(3/16)
TYP.
2.36
(.093)
DIA. TYP.
6.34 + .00/ - .01
(.2497 + .0000/ - .0003)
SHAFT DIA.
3.18
(.125)
14.3
(9/16)
1.02
(.04)
1
3
CW
CLOCKWISE
CCW
2
WIPER
6.35
(1/4)
WIDE
SLOT
X
1.02
(.04)
DEEP
EXTENDS
1.02
(.04)
PAST MOUNTING SURFACE
44.45
± .79
(1-3/4 ± 1/32)
TOLERANCES: EXCEPT WHERE NOTED
.25 .13
DECIMALS: .XX ±
(.010),
.XXX ±
(.005)
FRACTIONS: ±1/64
MM
DIMENSIONS:
( IN.)
DIA. ANTI-ROTATION PIN
3.35 +.08/-.03
(.132 +.003/-.001)
DIA.
14.30 ± .05
(.563 ± .002)
R
10.41 ± .08
(.410 ± .003)
2.46
(.097)
DIA.
RECOMMENDED PANEL LAYOUT
RECOMMENDED PCB THICKNESS:
MOUNTING TORQUE: 15-18 LB.-IN.
