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3548S-2BB-202/202B

Description
Potentiometer, Wire Wound, 1.5W, 2000ohm, 3% +/-Tol, -50,50ppm/Cel, 5 Turn(s), ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size463KB,4 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Environmental Compliance  
Download Datasheet Parametric View All

3548S-2BB-202/202B Overview

Potentiometer, Wire Wound, 1.5W, 2000ohm, 3% +/-Tol, -50,50ppm/Cel, 5 Turn(s), ROHS COMPLIANT

3548S-2BB-202/202B Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1890886751
package instructionROHS COMPLIANT
Reach Compliance Codenot_compliant
Country Of OriginMexico
YTEOL7.25
Actuator directionHORIZONTAL
Actuator typeSHAFT
structureRound
gang number2
JESD-609 codee4
Manufacturer's serial number3548
Installation featuresPANEL MOUNT
Number of terminals6
number of turns5
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package diameter22.479 mm
Package length40.259 mm
Package shapeCIRCULAR PACKAGE
Package formPanel Mount
method of packingTRAY
Rated power dissipation(P)1.5 W
Rated temperature70 °C
resistance2000 Ω
resistance lawLINEAR
Resistor typePOTENTIOMETER
rotation angle1800 deg
series3548
surface mountNO
technologyWIRE WOUND
Temperature Coefficient50 ppm/°C
Terminal surfaceGold (Au)
Terminal shapeLUG
Tolerance3%
PL
IA
NT
Features
Wirewound and Hybritron
®
elements
High rotational life
Optional 0.15 % 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
3548 - 5-Turn Precision Potentiometer
Electrical Characteristics
1
Wirewound Element
Hybritron
®
Element
Standard Resistance Range..................................................................500 to 50K ohms ....................................................1K to 10K ohms
Total Resistance Tolerance....................................................................±3 % .......................................................................±10 %
Independent Linearity ............................................................................±0.25 % ..................................................................±0.25 %
Independent Linearity (Maximum Practical) ..........................................±0.15 % ..................................................................±0.15 %
Effective Electrical Angle .......................................................................1800 ° +10 °, -0 °....................................................1800 ° +10 °, -0 °
Absolute Minimum Resistance/End Voltage ..........................................1 ohm or 0.1 % maximum ......................................0.4 % maximum
(whichever is greater)
Noise/Output Smoothness ....................................................................100 ohms maximum ...............................................0.15 % 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................................................................................................1.5 watts .................................................................1.5 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 max. .................................................±5 % TR shift max.
Rotational Life
No Load .............................................................................................1,000,000 shaft revolutions ...................................2,500,000 shaft revolutions
Powered (MIL-PRF-12934)................................................................1,000,000 shaft revolutions ...................................2,500,000 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 ...........................................................................................................................................................................................1800 ° +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 .................................................................................................................................................................................................... 19 gm (0.67 oz.) typ.
Dual ..................................................................................................................................................................................................... 35 gm. (1.23 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 and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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