Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3435 - Precision Potentiometer
Features
27 mm (1-1/16 ") diameter,
single-turn wirewound
Bushing mount
Gangable to 8 cups
Outstanding vibration and
shock performance
Shaft supported front and rear by
precision sleeve bearings
High temperature, moisture resistant,
thermosetting plastic housing
Non-standard features and
specifications available
Electrical Characteristics
1
Standard Resistance Range .......................................................................................50 to 20 K ohms
Total Resistance Tolerance ...........................................................................................................3 %
Independent Linearity ................................................................................................................0.5 %
Effective Electrical Angle .......................................................................................................350 2
Noise.............................................................................................................100 ohms ENR maximum
Absolute Minimum Resistance .................................................1 ohm or 0.1 % (whichever is greater)
Dielectric Withstanding Voltage
Sea Level ..........................................................................................................1,000 VAC minimum
Power Rating
+70 C .................................................................................................................................1.5 watts
+125 C....................................................................................................................................0 watt
Insulation Resistance (500 VDC)..................................................................1,000 megohms minimum
Resolution ......................................................................................................See ordering information
Environmental Characteristics
1
Operating Temperature Range .....................................................................................+1 C to 125 C
Storage Temperature Range.....................................................................................-65 C to +125 C
Temperature Coefficient Over Storage Temperature Range
2
....................................20 ppm/C max.
Vibration (MIL-R-12934) .................................................................................................................15 G
Wiper Bounce ...........................................................................................0.1 millisecond maximum
Total Resistance Shift ..............................................................................................5 % maximum
Voltage Ratio Shift ...................................................................................................1 % maximum
Shock (MIL-R-12934) .....................................................................................................................50 G
Wiper Bounce ...........................................................................................0.1 millisecond maximum
Total Resistance Shift ..............................................................................................5 % maximum
Voltage Ratio Shift ...................................................................................................1 % maximum
Load Life .............................................................................................................................1,000 hours
Total Resistance Shift..............................................................................................2.0 % maximum
Rotational Life (No Load)............................................................................1,000,000 shaft revolutions
Total Resistance Shift ..............................................................................................5 % maximum
Moisture Resistance (MIL-STD-202, Method 106)
Total Resistance Shift ..............................................................................................5 % maximum
Humidity ................................................................................................MIL-R-12934 humidity cycling
Total Resistance Shift ..............................................................................................5 % maximum
IP Rating ........................................................................................................................................IP 40
Mechanical Characteristics
1
Mechanical Angle ................................................................................................................Continuous
Torque
Starting .......................................................................................0.18 N-cm (0.25 oz.-in.) maximum
Running.......................................................................................0.18 N-cm (0.25 oz.-in.) maximum
Additional Cups ........................................................................................................Add 75 % each
Mounting.............................................................................170-200 N-cm (15-18 lb.-in.) maximum
Shaft Runout................................................................................................0.025 mm (0.001 in.) T.I.R.
Shaft End Play ...............................................................................................0.08 mm (0.003 in.) T.I.R.
Shaft Radial Play ...........................................................................................0.08 mm (0.003 in.) T.I.R.
Backlash ......................................................................................................................0.25 maximum
Weight..................................................................................................................Approximately 23 gm
Terminals ...........................................................................................................Gold-plated turret type
Soldering Condition ....................Recommended hand soldering using Sn95/Ag5 no clean solder,
0.025 " wire diameter. Maximum temperature 399 C (750 F) for 3 seconds.
No wash process to be used with no clean flux.
Marking ................................Manufacturer's name and part number, resistance value and tolerance,
linearity tolerance, wiring diagram, date code
Ganging (Multiple Section Potentiometers) ...............................................................8 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 factory for complete specification details.
3435
17.30 .38
(.681 .015)
22.22 .79
(.825 .031)
10.317 +.000/-.051
(.4062 + .000/ - .002)
3/8 " - 32 UNEF 2A
3.170 +.000/-.008
(.1248 + .000/ - .0003)
SHAFT
.81 X .81 .25
(.032 X .032 .010)
SLOT
T
W
CW
30
5
30
5
CCW
NOTE: LOCKWASHER
AND HEX NUT TO BE
SUPPLIED WITH EACH UNIT.
1.57
(.060)
9.53
(.375)
8.13
(.32)
26.92
(1.06)
18.54
(.73)
R MAX.
1
3
CW
CLOCKWISE
CCW
2
WIPER
TOLERANCES: EXCEPT WHERE NOTED
.51 .13
DECIMALS: .XX
(.020),
.XXX
(.005)
FRACTIONS: 1/64
MM
DIMENSIONS:
(IN.)
MIN.
Recommended Part Numbers
Part
Resistance Resolution
Number
()
(%)
3435S-1-102
1,000
.208
3435S-1-202
2,000
.178
3435S-1-502
5,000
.135
3435S-1-103
10,000
.107
3435S-1-503
50,000
.057
Product Dimensions
REV. 02/06
Model 3435 is currently available,
although not recommended for new
designs.
Model 6657
is preferred.
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