3548S-1AA-502A Bourns Inc., 3548S-1AA-502A Datasheet
3548S-1AA-502A
Manufacturer Part Number
3548S-1AA-502A
Description
PRECISION POT-7/8" 22MM DIA 5T WW
Manufacturer
Bourns Inc.
Series
3548r
Specifications of 3548S-1AA-502A
Track Resistance
5kohm
Track Taper
Linear
No. Of Turns
5
Resistance Tolerance
± 3%
Power Rating
1.5W
No. Of Gangs
1
Svhc
No SVHC (15-Dec-2010)
Resistor Element
RoHS Compliant
Resistance
5 KOhms
Tolerance
5 %
Termination Style
Lug
Number Of Turns
5
Element Type
Wire Wound
Shaft Type
Slotted
Shaft Length
20.617 mm
Shaft Diameter
6.34 mm
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
*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.
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
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)
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)
Operating Temperature Range
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)
Shock (100 Gs, 6 ms sawtooth)
Load Life (1,000 hours @ 70 °C)..........................................................±2 % TR shift max. ................................................±5 % TR shift max.
Rotational Life
Moisture Resistance (Mil-Std-202, Method 103) ................................±2 % TR shift max. ................................................±5 % TR shift max.
IP Rating ..............................................................................................IP 50 ......................................................................IP 50
Mechanical Angle ..........................................................................................................................................................................................1800 ° +10 °, -0 °
Backlash ....................................................................................................................................................................................................................1.0 ° max.
Stop Strength................................................................................................................................................................................................53 N-cm (75 oz-in.) min.
Torque
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
Shaft Side Load (Max. Allowable)
Terminals ..............................................................................................................................................................................................Gold-plated solder lugs
Soldering Condition
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
For other options, please consult factory.
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
Sea Level ........................................................................................1,000 VAC minimum ..............................................1,000 VAC minimum
+70 °C ............................................................................................1.5 watts ................................................................1.5 watts
+125 °C ..........................................................................................0 watt ....................................................................0 watt
Dynamic ..........................................................................................-40 °C to +125 °C ..................................................-40 °C to +125 °C
Static ..............................................................................................-55 °C to +125 °C ..................................................-55 °C to +125 °C
Wiper Bounce..................................................................................0.1 ms max. ..........................................................0.1 ms max.
Wiper Bounce..................................................................................0.1 ms max. ..........................................................0.1 ms max.
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
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.
Single ....................................................................................................................................................................................................19 gm (0.67 oz.) typ.
Dual ......................................................................................................................................................................................................35 gm. (1.23 oz.) typ.
Nickel Plated Brass Shaft w/Brass Bushing ................................................................................................................................................50 gmf (1.7 ozf)
Stainless Steel Shaft w/Bronze Bushing ....................................................................................................................................................250 gmf (8.8 ozf)
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
1
1
1
3548 - 5-Turn Precision Potentiometer
Features
Wirewound and Hybritron
High rotational life
Optional 0.15 % linearity
Optional A/R lug
RoHS compliant*
Suitable for use under side load
Wirewound Element
(whichever is greater)
®
elements
Designed for HMI and MMI applications
Dual gang option
Servo mount option
Hybritron
®
Element
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3548S-1AA-502A Summary of contents
Page 1
Electrical Characteristics 1 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 ...
Page 2
Precision Potentiometer Product Dimensions Single Gang, Bushing Mount MOUNTING SURFACE 18.446 ± 0.381 (.726 ± .015) 14.046 ± 0.381 (.553 ± .015) 5.715 ± 0.381 (.225 ± .015) 10.287 + 0.00/-0. (.405 +0.00/-.002) BUSHING ...
Page 3
Precision Potentiometer Product Dimensions Single Gang, Servo Mount 23.86 ± 0.381 (.939 ± .015) MOUNTING SURFACE 19.46 ± 0.381 (.766 ± .015) 11.13 ± 0.381 (.438 ± .015) 15.8725 + .0000/-.0127 (.6249 +.0000/-.0005 1.575 ...
Page 4
Precision Potentiometer Panel Thickness Dimensions (For Bushing Mount Only) 2.46 - 3.81 (.097 - .150) PANEL HEX NUT LOCKWASHER POT 10.41 ± .08 DIA. (.410 ± .003) 7.42 R (.292) ADDITIONAL HOLE FOR ANTIROTATION PIN 1.60 +.08/-.03 ...