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3549S-1AB-502 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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3549S-1AB-502 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 4 page 3549 - 10-Turn Precision Potentiometer 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 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 ° +4 °, -10 ° 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. 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) 1At 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. |
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