3549S-1AB-501B Bourns

Features Wirewound and Hybritron elements Designed for HMI and MMI applications High rotational life Dual gang option Optional 0.1 % linearity Servo mount option Optional A/R lug Dual ball bearing option RoHS compliant* Suitable for use under some side load conditions 3549 - 10-Turn Precision Potentiometer 1 Electrical Characteristics 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 in nite Power Rating (Voltage Limited By Power Dissipation) +70 C ................................................................................................2 watts ....................................................................2 watts +125 C ..............................................................................................0 watt ......................................................................0 watt 1 Environmental Characteristics 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 Coef cient (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 or Powered ..........................................................................2,000,000 shaft revolutions ....................................5,000,000 shaft revolutions No Load or Powered (Dual Ball Bearing) ..........................................N/A .........................................................................10,000,000 shaft revolutions Moisture Resistance (Mil-Std-202, Method 103) ...................................2 % TR shift max................................................5 % TR shift max. IP Rating ................................................................................................IP 50 .......................................................................IP 50 1 Mechanical Characteristics 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 ux, 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 ...........................................................................................................................Manufacturers 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 2015/863, Mar 31, 2015 and Annex. WARNING Specications are subject to change without notice. Users should verify actual device performance in their specic Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT 3549 - 10-Turn Precision Potentiometer Product Dimensions Single Gang, Bushing Mount Dual Gang, Bushing Mount 40.259 0.762 18.446 0.381 MOUNTING SURFACE (1.585 .030) (.726 .015) 39.243 0.762 14.046 0.381 (1.545 .030) 34.798 0.762 (.553 .015) (1.370 .030) 5.715 0.381 26.467 0.762 (.225 .015) (1.042 .030) 18.796 0.381 10.287 + 0.00/-0.05 2 1 3 (.740 .015) (.405 +0.00/-.002) 14.351 0.381 (.565 .015) BUSHING TYPE B 0.762 R 6.02 0.381 (.030) SHAFT (.237 .015) DIMENSION 2 1 3 2 1 3 A 10.287 + 0.00/-0.05 ADJUSTMENT SLOT: (.405 +0.00/-.002) 0.813 0.813 WIDE X DEEP (.032) (.032) BUSHING TYPE B SHAFT DIMENSION A 1.524 0.254 (.060 .010) 7.92 0.381 (.312 .015) 19.812 0.812 20.617 0.787 (.780 .032) (.812 .031) 1.52 7.92 0.381 (.060) 30 5 (.312 .015) 6.86 0.25 OPTIONAL MOUNTING SURFACE 20.643 0.787 16.256 ANTI- (.270 .010) R (.813 .031) (.640) ROTATIONAL 0.813 0.813 .0004 PIN MAX. ADJ. SLOT: WIDE X DEEP (.032) (.032 .010) 12.7 0.254 (.500 .010) 30 5 OPTIONAL 6.86 0.25 16.256 ANTI- (.270 .010) R ROTATIONAL (.640) 1.524 +.000/-0.127 PIN MAX. (.060 +.000/-.005) DIA. 12.7 0.254 (.500 .010) DIA. 1.016 OPTIONAL 12.649 0.254 ANTI-ROTATIONAL (.040) (.498 .010) PIN 22.479 0.812 MOUNTING FACE DIA. (.885 .032) 1.524 +.000/-0.127 (.060 +.000/-.005) DIA. WIPER 2 DIA. CCW 3 CW 1 1.016 OPTIONAL 12.649 0.254 ANTI-ROTATIONAL (.040) CLOCKWISE (.498 .010) PIN 22.479 0.812 MOUNTING FACE DIA. (.885 .032) TOLERANCES: EXCEPT WHERE NOTED .50 .127 .0127 DECIMALS: .XX .XXX .XXXX (.02) (.005) (.0005) MM DIMENSIONS: (IN) CCW CW 3 1 Bushing Selection WIPER 2 2 Code Shaft Dimension Shaft Material Bushing Type Bushing Material 6.34 +0/-0.022 A Nickel Plated Brass 3/8 32-UNEF- 2A THD. Brass (0.2497 +0/-0.0009) CW CCW 3 6.00 +0/-0.022 1 B Nickel Plated Brass M9 X 0.75-8g Brass (0.2362 +0/-0.0009) CLOCKWISE 6.34 +0/-0.007 C Stainless Steel 3/8 32-UNEF- 2A THD. Bronze (0.2497 +0/-0.0003) 6.00 +0/-0.007 D Stainless Steel M9 X 0.75-8g Bronze Specications are subject to change without notice. (0.2362 +0/-0.0003) Users should verify actual device performance in their specic applications. 6.34 +0/-0.007 G Stainless Steel 3/8 32-UNEF- 2A THD. Bronze The products described herein and this document are subject to specic legal (0.2497 +0/-0.0003) disclaimers as set forth on the last page of this document, and at 6.00 +0/-0.007 H Stainless Steel M9 X 0.75-8g Bronze (0.2362 +0/-0.0003) www.bourns.com/docs/legal/disclaimer.pdf.