CO
M
PL
IA
N
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Features
■
Bushing mount
■
Optional AR pin feature
■
Non-standard features and specifications available
■
Gangable
■
RoHS compliant*
*R
oH
S
3543/3545 - Precision Potentiometer
Electrical Characteristics
1
3543 3-Turn
3545 5-Turn
Product Dimensions
3543S-1/3545S-1
18.3
(.72)
14.35 ± .38
(.565 ± .015)
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.
5.72 ± .38
(.225 ± .015)
10.31+ .00/ - .05
DIA.
(.406+.000/-.002)
3/8 " 32-UNEF-2ATHD
1
3
2
.25
X 45 ° CHAMFER
(.010)
ADJUSTMENT
.81
SLOT
WIDE
(.032)
.81±.25
X
DEEP
(.032±.0160)
6.342 + .000/ - .023
(.2497+.0000/-.0009)
DIA.
Environmental Characteristics
1
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 Range
2
.......... ±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.
1.6
(SUGGESTED PANEL HOLE
DIA.)
(.063)
30 °
±5°
6.35
(.25)
Mechanical Characteristics
1
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.
1
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2
Consult manufacturer for complete specification details.
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
1
CLOCKWISE
3
CW
Recommended Part Numbers
Part Number
Resistance (Ω)
Resolution (%)
Part Number
Resistance (Ω)
Resolution (%)
3543S-1-102L
3543S-1-202L
3543S-1-502L
3543S-1-103L
1,000
2,000
5,000
10,000
.077
.062
.047
.040
3545S-1-102L
3545S-1-202L
3545S-1-502L
3545S-1-103L
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.
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