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50 Series - Sealed 1/2” (12.5mm) Square Control
Specifications are subject to change without notice.
215
Features
I
Conductive plastic or cermet
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Linear and audio tapers
I
PC board and bushing mount
I
Gangable
I
Metal bushing and shaft
I
Sealed for board washing
Electrical Characteristics
1
Standard Resistance Range
Linear..............................................................1K ohms to 1 megohm....................................150 ohms to 1 megohm
Audio..............................................................1K ohms to 1 megohm....................................1K ohms to 1 megohm
Total Resistance Tolerance
Linear Tapers..................................................±10% OR ±20% ..............................................±10% OR ±5%
Audio Tapers ..................................................±10% OR ±20% ..............................................±10%
Independent Linearity.......................................±5%.................................................................±5%
Absolute Minimum Resistance .........................2 ohms maximum............................................2 ohms maximum
Effective Electrical Angle ..................................270°±5°...........................................................270°±5°
Contact Resistance Variation............................2.0% ................................................................2.0%
Dielectric Withstanding Voltage
Sea Level........................................................1,500 VAC minimum........................................1,500 VAC minimum
70,000 ............................................................500 VAC minimum...........................................500 VAC minimum
Insulation Resistance........................................1,000 megohms minimum...............................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 ...........................................................1.0 watt
Audio Tapers ..................................................0.25 watt .........................................................0.5 watt
Tracking (Multiple Sections)..............................3 db.................................................................3 db
Conductive Plastic
Cermet
Environmental Characteristics
1
Operating Temperature..........................................+1°C to +125°C ...................................................+1°C to +125°C
Storage Temperature ........................................-55°C to +125°C .............................................-55°C to +125°C
TCR (Over Storage Temperature Range)..........±1,000ppm/°C.................................................±150ppm/°C
Vibration (Single Section)..................................15G..................................................................15G
Total Resistance Shift.....................................±2% maximum................................................±2% maximum
Voltage Ratio Shift..........................................±5% maximum................................................±5% maximum
Shock (Single Section)......................................30G..................................................................30G
Total Resistance Shift.....................................+2% maximum................................................±2% maximum
Voltage Ratio Shift..........................................±5% maximum................................................±5% maximum
Load Life (1,000 Hours)..................................±10% TRS maximum......................................±5% TRS maximum
Rotational Life-No Load (50,000 Cycles)
2
........±10% TRS maximum......................................±10% TRS maximum
CRV @ 25,000 Cycles .......................................±2%.................................................................±4%
Moisture Resistance .........................................±10% TRS.......................................................±5% TRS
Mechanical Characteristics
Stop Strength....................................................5 in-lb. .............................................................5 in-lb.
Mechanical Angle..............................................290° ±5°..........................................................290° ±5°
Torque
Running (Single Section)................................0.2 to 2.0 oz.-in. (0.15 to 1.4Ncm) ..................0.2 to 2.0 oz.-in. (0.15 to 1.4 Ncm)
Running (Dual or Triple Section).....................0.5 to 2.5 oz.-in. (0.35 to 1.8 Ncm) .................0.5 to 2.5 oz.-in. (0.35 to 1.8 Ncm)
Starting (All Sections).....................................Running torque +0.5 oz.-in. ...........................Running torque +0.5 oz.-in.
(+0.35 Ncm) maximum
Weight (Single Section).....................................5.5 grams ........................................................5.5 grams
Each Additional Section.................................3.0 grams ........................................................3.0 grams
Terminals...........................................................PC pin or solder lug ........................................PC pin or solder lug
Marking .............................................................Manufacturer’s symbol and part number, date code and resistance value
(+0.35 Ncm) maximum
1
At room ambient: +25°C nominal and 50% relative humidity nominal, except as noted.
2
Conductive Plastic, 25,000 cycles for cermet elements.