3549H-1AE-102B Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – 3549 - 10-Turn Precision Potentiometer

*RoHS ^COMPLIANT
Features
■ Wirewound and Hybritron^® elements
■ High rotational life
■ Optional 0.1 % linearity
■ Optional A/R lug
■ RoHS compliant*
■ Suitable for use under side load
■ Designed for HMI and MMI applications
■ Dual gang option
■ Servo mount option
3549 - 10-Turn Precision Potentiometer
Electrical Characteristics¹
Wirewound Element
Hybritron^® Element
Standard Resistance Range..................................................................100 to 100K ohms ..................................................1K to 100K ohms
Total Resistance Tolerance....................................................................±3 % .......................................................................±10 %
Independent Linearity ............................................................................±0.2 % ....................................................................±0.2 %
Independent Linearity (Maximum Practical) ..........................................±0.1 % ....................................................................±0.1 %
Effective Electrical Angle .......................................................................3600 ° +10 °, -0 °....................................................3600 ° +10 °, -0 °
Absolute Minimum Resistance/End Voltage..........................................1 ohm or 0.1 % maximum ......................................0.2 % maximum
(whichever is greater)
Noise/Output Smoothness ....................................................................100 ohms maximum...............................................0.10 % maximum
Max. Wiper Current @ 5K ohms ...........................................................20 mA..................................................................... 10 mA
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level...........................................................................................1,000 VAC minimum .............................................. 1,000 VAC minimum
Insulation Resistance (500 VDC) ..........................................................1,000 megohms minimum...................................... 1,000 megohms minimum
Resolution..............................................................................................See How to Order chart ........................................ Essentially infinite
Power Rating (Voltage Limited By Power Dissipation)
+70 °C................................................................................................2 watts.................................................................... 2 watts
+125 °C..............................................................................................0 watt...................................................................... 0 watt
Environmental Characteristics¹
Operating Temperature Range
Dynamic.............................................................................................-40 °C to +125 °C................................................... -40 °C to +125 °C
Static..................................................................................................-55 °C to +125 °C................................................... -55 °C to +125 °C
Temperature Coefficient (Over Static Temperature Range) ..................±50 ppm/°C ............................................................ ±100 ppm/°C
Temperature Cycling (5 Cycles Over Static Temperature Range).........±2 % TR shift max.................................................. ±4 % TR shift max.
Vibration (15 Gs, 10 Hz to 2 kHz)
Wiper Bounce ....................................................................................0.1 ms max............................................................. 0.1 ms max.
Shock (100 Gs, 6 ms sawtooth)
Wiper Bounce ....................................................................................0.1 ms max............................................................. 0.1 ms max.
Load Life (1,000 hours @ 70 °C)...........................................................±2 % TR shift.......................................................... ±5 % TR shift max.
Rotational Life
No Load .............................................................................................2,000,000 shaft revolutions ................................... 5,000,000 shaft revolutions
Powered (MIL-PRF-12934)................................................................2,000,000 shaft revolutions ................................... 5,000,000 shaft revolutions
Moisture Resistance (Mil-Std-202, Method 103) ...................................±2 % TR shift max.................................................. ±5 % TR shift max.
IP Rating................................................................................................IP 50....................................................................... IP 50
Mechanical Characteristics¹
Mechanical Angle ...........................................................................................................................................................................................3600 ° +10 °, -0 °
Backlash .................................................................................................................................................................................................................... 1.0 ° max.
Stop Strength.......................................................................................................................................................................................53 N-cm (75 oz-in.) min.
Torque
Starting ........................................................................................................................................................................................0.5 N-cm (0.7 oz.-in.) max.
Running .......................................................................................................................................................................................0.5 N-cm (0.7 oz.-in.) max.
Clutch................................................................................................................................................................................1.0 to 4.2 N-cm (1.5 to 6.0 oz.-in.)
Mounting.......................................................................................................................................................................... 170-200 N-cm (15-18 in.-lb.) max.
Shaft Runout T.I.R. ..................................................................................................................................................................................... 0.08 mm (0.003 in.)
Lateral Runout T.I.R.................................................................................................................................................................................... 0.13 mm (0.005 in.)
Shaft End Play T.I.R. .................................................................................................................................................................................. 0.15 mm (0.006 in.)
Shaft Radial Play T.I.R................................................................................................................................................................................ 0.08 mm (0.003 in.)
Pilot Diameter Runout T.I.R. ....................................................................................................................................................................... 0.08 mm (0.003 in.)
Weight
Single...................................................................................................................................................................................................... 20 gm (0.7 oz.) typ.
Dual ....................................................................................................................................................................................................... 36 gm (1.27 oz) typ.
Shaft Side Load (Max. Allowable)
Nickel Plated Brass Shaft w/Brass Bushing ................................................................................................................................................. 50 gmf (1.7 ozf)
Stainless Steel Shaft w/Bronze Bushing .................................................................................................................................................... 250 gmf (8.8 ozf)
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
Mounting Hardware ............................................................................................. One lockwasher and one mounting nut is shipped with each potentiometer
Recommended Panel Thickness (Bushing Mount) ..................................................................................................................2.46-3.81 mm (0.097-0.150 in.)
Marking...........................................................................................................................Manufacturer’s symbol, model number, product code and date code
Standard Packaging ........................................................................................................................................................................... Plastic trays (5 pcs./tray)
1_{At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.}
For other options, please consult factory.
*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.