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3549S-1AD-501A

Description
Potentiometer, Wire Wound, 2W, 500ohm, 3% +/-Tol, -50,50ppm/Cel, 10 Turn(s), ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size392KB,4 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Environmental Compliance  
Download Datasheet Parametric View All

3549S-1AD-501A Overview

Potentiometer, Wire Wound, 2W, 500ohm, 3% +/-Tol, -50,50ppm/Cel, 10 Turn(s), ROHS COMPLIANT

3549S-1AD-501A Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
package instructionPanel Mount,
Reach Compliance Codenot_compliant
Actuator directionHORIZONTAL
Actuator typeSHAFT
structureRound
gang number1
JESD-609 codee4
Manufacturer's serial number3549
Installation featuresPANEL MOUNT
Number of terminals3
number of turns10
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package diameter22.479 mm
Package length19.812 mm
Package shapeCIRCULAR PACKAGE
Package formPanel Mount
method of packingTRAY
Rated power dissipation(P)2 W
Rated temperature70 °C
resistance500 Ω
resistance lawLINEAR
Resistor typePOTENTIOMETER
rotation angle3600 deg
series3549
surface mountNO
technologyWIRE WOUND
Temperature Coefficient-50,50 ppm/°C
Terminal surfaceGold (Au)
Terminal shapeLUG
Tolerance3%
Base Number Matches1
PL
IA
NT
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
*R
oH
S
CO
M
3549 - 10-Turn Precision Potentiometer
Electrical Characteristics
1
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 Characteristics
1
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 Characteristics
1
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.
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