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3543S-1-102L Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # 3543S-1-102L
Description  Precision Potentiometer
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

3543S-1-102L Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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*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
Features
Bushing mount
Optional AR pin feature
Non-standard features and specifications
available
Gangable
Electrical Characteristics
1
3543 3-Turn
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.
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
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....................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, 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.
Recommended Part Numbers
Part Number*
Resistance
Resolution
(Ω)(%)
3543S-1-102L
1,000
.077
3543S-1-202L
2,000
.062
3543S-1-502L
5,000
.047
3543S-1-103L
10,000
.040
Part Number
Resistance
Resolution
(Ω)(%)
3545S-1-102L
1,000
.043
3545S-1-202L
2,000
.044
3545S-1-502L
5,000
.038
3545S-1-103L
10,000
.029
3543S-1/3545S-1
1
18.3
(.72)
5.72 ± .38
(.225 ± .015)
10.31+ .00/ - .05
(.406+.000/-.002)
3/8 " 32-UNEF-2ATHD
ADJUSTMENT
SLOT
WIDE
X
.81±.25
DEEP
2
3
1.52
(.06)
7.92 ± .38
(.312 ± .015)
19.05 ± .38
(.750 ± .015)
20.62 ± .79
(.812 ± .031)
30 °
± 5 °
6.35
(.25)
22.23 ± .38
(.875 ± .015)
MTG. FACE
15.88
DIA. MIN.
12.45
(.49)
1
3 CW
CLOCKWISE
CCW
2 WIPER
14.35 ± .38
(.565 ± .015)
DIA.
(.032±.0160)
.81
(.032)
6.342 + .000/ - .023
(.2497+.0000/-.0009)
DIA.
OPTIONAL ANTIROTATION LUG
(-91)
1.42 X .50
ON
7.4
RADIUS
LENGTH 1.27 FROM MOUNTING SURFACE.
(SUGGESTED PANEL HOLE
1.6
DIA.)
(.056 X .02)
(.29)
(.063)
(.625)
TOLERANCES: EXCEPT WHERE NOTED
.25
.13
DECIMALS: .XX ±
(.010),
.XXX ±
(.005)
FRACTIONS: ±1/64
MM
DIMENSIONS:
(IN.)
ADD .75 (19 MM) FOR ADDITIONAL CUPS.
.25
(.010)
X 45 ° CHAMFER
15.88
(.625)
R MAX.
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR SERVO MOUNT VERSION AND OTHER OPTIONS
CONSULT FACTORY.
TERMINALS:
L = RoHS COMPLIANT
BLANK = STANDARD
REV. 06/06
Model 3543 is currently available,
although not recommended for new
designs. Model 3547 is preferred.
Model 3545 is currently available,
although not recommended for new
designs. Model 3548 is preferred.


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