3543

PL
IA
NT
Features
CO
M
■ Bushing mount
*R
oH
S
■ Optional AR pin feature
■ Non-standard features and specifications available
■ Gangable
■ RoHS compliant*
3543/3545 - Precision Potentiometer
Electrical Characteristics1
3543 3-Turn
Product Dimensions
3545 5-Turn
Standard Resistance Range................ 20 to 50 K ohms .........................50 to 50 K ohms
Total Resistance Tolerance.................. ±5 % ...........................................±5 %
Independent Linearity .......................... ±0.25 % ......................................±0.25 %
Effective Electrical Angle ..................... 1080 ° +10 °, -0 ° .......................1800 ° +10 °, -0 °
Absolute Minimum Resistance/ ........... 1 ohm or 0.1 % maximum ..........1 ohm or 0.1 % maximum
Minimum Voltage ............................. (whichever is greater).................(whichever is greater)
Noise .................................................. 100 ohms ENR maximum ..........100 ohms ENR maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ......................................... 1,000 VAC minimum ..................1,000 VAC minimum
Power Rating (Voltage Limited By Power Dissipation or
224 VAC [3543] or 273 VAC [3545], Whichever Is Less)
+70 °C.............................................. 1 watt..........................................1.5 watt
+125 °C............................................ 0 watt..........................................0 watt
Insulation Resistance (500 VDC) ........ 1,000 megohms minimum ..........1,000 megohms minimum
Resolution............................................ See recommended part nos. .....See recommended part nos.
3543S-1/3545S-1
18.3
(.72)
14.35 ± .38
(.565 ± .015)
5.72 ± .38
(.225 ± .015)
10.31+ .00/ - .05
DIA.
(.406+.000/-.002)
1
3
3/8 " 32-UNEF-2ATHD
2
.25
X 45 ° CHAMFER
(.010)
ADJUSTMENT
.81
SLOT
WIDE
(.032)
.81±.25
X
DEEP
(.032±.0160)
Environmental Characteristics1
Operating Temperature Range ............ +1 °C to +125 °C ........................+1 °C to +125 °C
Storage Temperature Range ............... -55 °C to +125 °C .......................-55 °C to +125 °C
Temperature Coefficient Over
Storage Temperature Range2.......... ±50 ppm/°C maximum/unit .........±50 ppm/°C maximum/unit
Vibration .............................................. 15 G ...........................................15 G
Wiper Bounce .................................. 0.1 millisecond maximum ...........0.1 millisecond maximum
Shock................................................... 50 G ...........................................50 G
Wiper Bounce .................................. 0.1 millisecond maximum ...........0.1 millisecond maximum
Load Life .............................................. 1,000 hours, 1 watt.....................1,000 hours, 1.5 watts
Total Resistance Shift ...................... ±2 % maximum ..........................±2 % maximum
Rotational Life (No Load)..................... 300,000 shaft revolutions ...........500,000 shaft revolutions
Total Resistance Shift ...................... ±5 % maximum ..........................±5 % maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ...................... ±2 % maximum ..........................±2 % maximum
IP Rating .............................................. IP 40 ...........................................IP 40
1.52
(.06)
7.92 ± .38
(.312 ± .015)
19.05 ± .38
(.750 ± .015)
20.62 ± .79
(.812 ± .031)
ADD .75 (19 MM) FOR ADDITIONAL CUPS.
OPTIONAL ANTIROTATION LUG
(-91) 1.42 X .50 ON 7.4 RADIUS
(.056 X .02)
(.29)
LENGTH 1.27 FROM MOUNTING SURFACE.
(SUGGESTED PANEL HOLE 1.6 DIA.)
(.063)
30 °
±5°
6.35
(.25)
Mechanical Characteristics1
Stop Strength.................................................................................................53 N-cm (75 oz.-in.) min.
Mechanical Angle ................................................. 1080 ° +10 °, -0 ° (3543); 1800 ° +10 °, -0 ° (3545)
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 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 Pots.) ............................................................................... 2 cups maximum
Hardware .................................................... One lockwasher (H-37-2) and one mounting nut (H-38-2)
is shipped with each potentiometer.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2Consult manufacturer for complete specification details.
3543S-1-102L
3543S-1-202L
3543S-1-502L
3543S-1-103L
Resistance (Ω)
Resolution (%)
1,000
2,000
5,000
10,000
.077
.062
.047
.040
Part Number
3545S-1-102L
3545S-1-202L
3545S-1-502L
3545S-1-103L
15.88
R MAX.
(.625)
12.45
(.49)
22.23 ± .38
(.875 ± .015)
MTG. FACE
15.88
DIA. MIN.
(.625)
TOLERANCES: EXCEPT WHERE NOTED
.25
.13
DECIMALS: .XX ±
.XXX ±
(.010),
(.005)
FRACTIONS: ±1/64
MM
DIMENSIONS:
(IN.)
2
CCW
WIPER
3
1
CW
CLOCKWISE
Recommended Part Numbers
Part Number
6.342 + .000/ - .023
(.2497+.0000/-.0009)
DIA.
Resistance (Ω)
Resolution (%)
1,000
2,000
5,000
10,000
.043
.044
.038
.029
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR SERVO MOUNT VERSION AND OTHER OPTIONS
CONSULT FACTORY.
ROHS IDENTIFIER:
L = COMPLIANT
*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.
3543/3545 - Precision Potentiometer
Panel Thickness Dimensions
2.46 - 3.81
(.097 - .150)
PANEL
HEX NUT
10.44 ± .07
DIA.
(.411 ± .003)
R
7.42
(.292)
ADDITIONAL HOLE FOR
ANTI-ROTATION PIN
1.60 +.08/-.03
DIA.
(.063 +.003/-.001)
LOCKWASHER
POT
Anti-rotation pin hole is shown at six o'clock
position for reference only. The actual location is
determined by the customer's application. Refer
to the front view of the potentiometer to see the
location of the optional A/R pin.
Panel thickness and hole diameters are
recommended for best fit. However, customers
may adjust the dimensions to suit their specific
application.
DIMENSIONS:
MM
(INCHES)
TOLERANCES: ±
0.127
(.005)
REV. 10/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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