Features
■ Small diameter
■ Wide resistance range
■ Good resolution
■ Linear tapers
■ Cermet element
3862 - 1/2 ” Diameter Single-Turn Panel Control
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Initial Electrical Characteristics
Standard Resistance Range.................................................................................................................................................. 1K ohms to 1 megohm
Total Resistance Tolerance............................................................................................................................................................... (A Taper) ±1ꢀ ꢁ
(H Taper) ±±ꢁ
Independent Linearity........................................................................................................................................................................................ ±± ꢁ
Absolute Minimum Resistance...................................................................................................................................................... 2 ohms maximum
Effective Electrical Angle..........................................................................................................................................................................26ꢀ ° ±1ꢀ °
Contact Resistance Variation ........................................................................................................................±ꢂ ꢁ or 6 ohms (ꢃhichever is greater)
Dielectric Withstanding Voltage (MIL-STD-2ꢀ2, Method ꢂꢀ1)
Sea Level................................................................................................................................................................................ 7±ꢀ VAC minimum
7ꢀ,ꢀꢀꢀ Feet............................................................................................................................................................................. ꢂ±ꢀ VAC minimum
Insulation Resistance (±ꢀꢀ VDC) ...................................................................................................................................... 1,ꢀꢀꢀ megohms minimum
Poꢃer Rating (Voltage Limited by Poꢃer Dissipation or ꢂ±ꢀ VAC, Whichever is Less)
+7ꢀ °C.........................................................................................................................................................................................................1 ꢃatt
+12± °C.......................................................................................................................................................................................................ꢀ ꢃatt
Theoretical Resolution................................................................................................................................................................... Essentially infinite
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Environmental Characteristics
Operating Temperature Range ...................................................................................................................................................... -4ꢀ °C to +12± °C
Storage Temperature Range ......................................................................................................................................................... -6± °C to +12± °C
Temperature Coefficient Over Storage Temperature Range ................................................................................................................ ±1±ꢀ ppmꢄ°C
Vibration ............................................................................................................................................................................................................ 2ꢀ G
Total Resistance Shift................................................................................................................................................................. ±2 ꢁ maximum
Voltage Ratio Shift...................................................................................................................................................................... ±6 ꢁ maximum
Shock ................................................................................................................................................................................................................. ±ꢀ G
Total Resistance Shift................................................................................................................................................................. ±2 ꢁ maximum
Voltage Ratio Shift...................................................................................................................................................................... ±6 ꢁ maximum
Load Life..................................................................................................................................................................................................1,ꢀꢀꢀ hours
Total Resistance Shift................................................................................................................................................................. ±ꢂ ꢁ maximum
Rotational Life, No Load
(C & N Bushings) ............................................................................................................................................................................±ꢀ,ꢀꢀꢀ cycles
(E & T Bushings) ...............................................................................................................................................................................1,ꢀꢀꢀ cycles
Total Resistance Shift............................................................................................................................................................ ±± ꢁ maximum
Contact Resistance Variation .............................................................................................................±ꢂ ꢁ or 6 ohms (ꢃhichever is greater)
Moisture Resistance (MIL-STD-2ꢀ2, Method 1ꢀ6, Condition B)
Total Resistance Shift................................................................................................................................................................. ±2 ꢁ maximum
Insulation Resistance (±ꢀꢀ VDC) ................................................................................................................................... 1ꢀꢀ megohms minimum
Salt Spray...................................................................................................................................................MIL-STD-2ꢀ2, Method 1ꢀ1, Condition A
IP Rating.............................................................................................................................................................................................................IP 4ꢀ
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Mechanical Characteristics
Stop Strength ............................................................................................................................................................... ꢂꢂ N-cm (ꢂ lb.-in.) maximum
Mechanical Angle.......................................................................................................................................................................................29± ° ±ꢂ °
Torque
Starting and Running.......................................................................................................................................... ꢂ.±ꢂ N-cm (± oz.-in.) maximum
Mounting (Torque on Bushing)................................................................................................................... 1.7-2.ꢀ N-m (1±-18 lb.-in.) maximum
Shaft Locking Torque ꢃith Locking Bushings ................................................................................................................. 14.12 N-cm (2ꢀ oz.-in.)
Weight (Single Section)............................................................................................................................................................... 2± grams maximum
Terminals ...................................................................................................................................................................Printed circuit pins or J-Hooks
Soldering Condition.................................................... Recommended hand soldering using Sn8±ꢄAg± no clean solder, ꢀ.ꢀ2± ” ꢃire diameter
Maximum temperature ꢂ99 °C (7±ꢀ °F) for ꢂ seconds. No ꢃash process to be used ꢃith no clean flux.
Part can be ꢃave soldered at 26ꢀ °C (±ꢀꢀ °F) for ± seconds, no ꢃash process ꢃith no clean flux.
Marking.................................................................Manufacturer’s trademark, ꢃiring diagram, date code, resistance, manufacturer’s part number
Ganging............................................................................................................................................................................................ 1 cup maximum
Hardꢃare........................... One lockꢃasher and one mounting nut is shipped ꢃith each potentiometer, except ꢃhere noted in the part number.
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AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
*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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