Features
■ RoHS compliant*
■ Push-pull switch
■ Linear and audio tapers
■ PC board and bushing mount
■ Splash seal
■ Metal bushing and shaft
Applications
■ Test and measurement equipment
■ Communications equipment
■ Medical diagnostic equipment
■ Professional audio equipment
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Characteristics
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Standard Resistance Range
Linear ........................................................................................................................................................................................1K to 500K ohms
Audio ........................................................................................................................................................................................1K to 500K ohms
Total Resistance Tolerance
B & D Tapers .............................................................................................................................................................................................. ±20 %
E & S Tapers .............................................................................................................................................................................................. ±10 %
Independent Linearity ........................................................................................................................................................................................ ±5 %
Absolute Minimum Resistance ...................................................................................................................................................... 2 ohms maximum
Effective Electrical Angle .............................................................................................................................................................................. 270 ° ±5
Contact Resistance Variation ............................................................................................................................................................................ ±2 %
Dielectric Withstanding Voltage (MIL-STD-202 – Method 301)
Sea Level .............................................................................................................................................................................1,500 VAC minimum
70,000 .....................................................................................................................................................................................500 VAC minimum
Insulation Resistance ....................................................................................................................................................... 1,000 megohms minimum
Power Rating At 70 °C (Derate To 0 At 125 °C)
(Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
Linear Tapers ........................................................................................................................................................................................... 0.5 watt
Audio Tapers .......................................................................................................................................................................................... 0.25 watt
Theoretical Resolution ...................................................................................................................................................................Essentially infi nite
Environmental Characteristics
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Operating Temperature Range ....................................................................................................................................................... +1 °C to +125 °C
Storage Temperature Range ......................................................................................................................................................... -55 °C to +125 °C
Temperature Coeffi cient Over Storage Temperature Range ..............................................................................................................±1,000 ppm/°C
Vibration ...............................................................................................................................................................................................................8 G
Total Resistance Shift ..................................................................................................................................................................±2 % maximum
Voltage Ratio Shift .......................................................................................................................................................................±5 % maximum
Shock..................................................................................................................................................................................................................20 G
Total Resistance Shift ..................................................................................................................................................................+2 % maximum
Voltage Ratio Shift .......................................................................................................................................................................±5 % maximum
Load Life ..................................................................................................................................................................................................1,000 hours
Total Resistance Shift ........................................................................................................................................................±10 % TRS maximum
Rotational Life (No Load)......................................................................................................................................................................50,000 cycles
Total Resistance Shift ........................................................................................................................................................±10 % TRS maximum
Contact Resistance Variation ....................................................................................................................................................................... ±2 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
B & E ................................................................................................................................................................................................. ±10 % TRS
D & S ................................................................................................................................................................................................. ±20 % TRS
IP Rating
Entire Unit ..................................................................................................................................................................................................... IP64
Shaft/Bushing ............................................................................................................................................................................................... IP65
Mechanical Characteristics
Stop Strength........................................................................................................................................................................... 39.5 N-cm (3.5 lb.-in.)
Mechanical Angle ....................................................................................................................................................................................... 290 ° ±5 °
Torque
Starting/Running .......................................................................................................................................... 0.2 to 1.3 N-cm (0.25 to 2.0 oz.-in.)
Mounting (Torque on Bushing) ............................................................................................................................1.7 to 2.0 N-m (15 to 18 lb.-in.)
Weight ......................................................................................................................................................................................................... 10 grams
Terminals .................................................................................................................................................................................... PC pin or solder lug
Soldering Condition .....................................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean fl ux.
Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean fl ux.
Marking .................................................................................................... Manufacturer’s trademark, part number, resistance value and date code.
Ganging (Multiple Section Potentiometers) ...................................................................... Inquire for availability, minimum order quantity and price.
Hardware ............................................................................................. One lockwasher and one mounting nut is shipped with each potentiometer.
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At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
*RoHS COMPLIANT