3543S-1-101L - Bourns - Product.Network

Features

■ Bushing mount

■ Optional AR pin feature

■ Non-standard features and speciﬁ cations available

■ Gangable

■ RoHS compliant*

3543/3545 - Precision Potentiometer

*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

Electrical Characteristics1 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 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 Coefﬁ cient 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

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 ﬂ ux; 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 speciﬁ cation details.

Product Dimensions

BOLDFACE LISTINGS ARE IN STOCK AND READILY

AVAILABLE THROUGH DISTRIBUTION.

FOR SERVO MOUNT VERSION AND OTHER OPTIONS

CONSULT FACTORY.

ROHS IDENTIFIER:

L = COMPLIANT

Recommended Part Numbers

Part Number Resistance (Ω) Resolution (%)

3543S-1-102L 1,000 .077

3543S-1-202L 2,000 .062

3543S-1-502L 5,000 .047

3543S-1-103L 10,000 .040

*RoHS COMPLIANT

Part Number Resistance (Ω) Resolution (%)

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

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

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)

13CW

CLOCKWISE

CCW

2WIPER

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

DIMENSIONS: (IN.)

ADD .75 (19 MM) FOR ADDITIONAL CUPS.

.25

(.010) X 45 ° CHAMFER

15.88

(.625)

R MAX.