Features
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■
■
■
■
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
Model 3435 is currently available,
although not recommended for new
designs.
Model 6657
is preferred.
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■
High temperature, moisture resistant,
thermosetting plastic housing
Non-standard features and
specifications available
3435 - Precision Potentiometer
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
Product Dimensions
3435
17.30
±
.38
(.681
±
.015)
22.22
±
.79
(.825
±
.031)
9.53
(.375)
1.57
(.060)
8.13
MIN.
(.32)
26.92
(1.06)
10.317 +.000/-.051
(.4062 + .000/ - .002)
30
°
±
5
°
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
T
3/8 " - 32 UNEF 2A
30
°
±
5
°
CW
CCW
W
18.54
R MAX.
(.73)
3.170 +.000/-.008
(.1248 + .000/ - .0003)
SHAFT
.81 X .81
±.25
(.032 X .032
±
.010)
SLOT
NOTE: LOCKWASHER
AND HEX NUT TO BE
SUPPLIED WITH EACH UNIT.
TOLERANCES: EXCEPT WHERE NOTED
.51
.13
DECIMALS: .XX
±
.XXX
±
(.020),
(.005)
FRACTIONS:
±1/64
MM
DIMENSIONS:
(IN.)
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
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, 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
2
2
CCW
WIPER
1
CLOCKWISE
3
CW
Recommended Part Numbers
Part
Number
3435S-1-102
3435S-1-202
3435S-1-502
3435S-1-103
3435S-1-503
Resistance Resolution
(Ω)
(%)
1,000
2,000
5,000
10,000
50,000
.208
.178
.135
.107
.057
At room ambient: +25 ¡C nominal and 50 % relative humidity nominal, except as noted.
Consult factory for complete specification details.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Wireless Connectivity
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