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.................................................................................................................................................100 ohms to 1 megohm
Total Resistance Tolerance............................................................................................................................................................... (A Taper) ±10 ꢀ
(H Taper) ±±ꢀ
Independent Linearity........................................................................................................................................................................................ ±± ꢀ
Absolute Minimum Resistance...................................................................................................................................................... 2 ohms maximum
Effective Electrical Angle..........................................................................................................................................................................260 ° ±10 °
Contact Resistance Variation ........................................................................................................................±ꢁ ꢀ or 6 ohms (ꢂhichever is greater)
Dielectric Withstanding Voltage (MIL-STD-202, Method ꢁ01)
Sea Level................................................................................................................................................................................ 7±0 VAC minimum
70,000 Feet............................................................................................................................................................................. ꢁ±0 VAC minimum
Insulation Resistance (±00 VDC) ...................................................................................................................................... 1,000 megohms minimum
Poꢂer Rating (Voltage Limited by Poꢂer Dissipation or ꢁ±0 VAC, Whichever is Less)
+70 °C.........................................................................................................................................................................................................1 ꢂatt
+12± °C.......................................................................................................................................................................................................0 ꢂatt
Theoretical Resolution................................................................................................................................................................... Essentially infinite
1
Environmental Characteristics
Operating Temperature Range ...................................................................................................................................................... -40 °C to +12± °C
Storage Temperature Range ......................................................................................................................................................... -6± °C to +12± °C
Temperature Coefficient Over Storage Temperature Range ................................................................................................................ ±1±0 ppmꢃ°C
Vibration ............................................................................................................................................................................................................ 20 G
Total Resistance Shift................................................................................................................................................................. ±2 ꢀ maximum
Voltage Ratio Shift...................................................................................................................................................................... ±6 ꢀ maximum
Shock ................................................................................................................................................................................................................. ±0 G
Total Resistance Shift................................................................................................................................................................. ±2 ꢀ maximum
Voltage Ratio Shift...................................................................................................................................................................... ±6 ꢀ maximum
Load Life..................................................................................................................................................................................................1,000 hours
Total Resistance Shift................................................................................................................................................................. ±ꢁ ꢀ maximum
Rotational Life, No Load
(C & N Bushings) ............................................................................................................................................................................±0,000 cycles
(E & T Bushings) ...............................................................................................................................................................................1,000 cycles
Total Resistance Shift............................................................................................................................................................ ±± ꢀ maximum
Contact Resistance Variation .............................................................................................................±ꢁ ꢀ or 6 ohms (ꢂhichever is greater)
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Total Resistance Shift................................................................................................................................................................. ±2 ꢀ maximum
Insulation Resistance (±00 VDC) ................................................................................................................................... 100 megohms minimum
Salt Spray...................................................................................................................................................MIL-STD-202, Method 101, Condition A
IP Rating.............................................................................................................................................................................................................IP 40
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Mechanical Characteristics
Stop Strength ............................................................................................................................................................... ꢁꢁ N-cm (ꢁ lb.-in.) maximum
Mechanical Angle.......................................................................................................................................................................................29± ° ±ꢁ °
Torque
Starting and Running.......................................................................................................................................... ꢁ.±ꢁ N-cm (± oz.-in.) maximum
Mounting (Torque on Bushing)................................................................................................................... 1.7-2.0 N-m (1±-18 lb.-in.) maximum
Shaft Locking Torque ꢂith Locking Bushings ................................................................................................................. 14.12 N-cm (20 oz.-in.)
Weight (Single Section)............................................................................................................................................................... 2± grams maximum
Terminals ...................................................................................................................................................................Printed circuit pins or J-Hooks
Soldering Condition.................................................... Recommended hand soldering using Sn8±ꢃAg± no clean solder, 0.02± ” ꢂire diameter
Maximum temperature ꢁ99 °C (7±0 °F) for ꢁ seconds. No ꢂash process to be used ꢂith no clean flux.
Part can be ꢂave soldered at 260 °C (±00 °F) for ± seconds, no ꢂash process ꢂith no clean flux.
Marking.................................................................Manufacturer’s trademark, ꢂiring diagram, date code, resistance, manufacturer’s part number
Ganging............................................................................................................................................................................................ 1 cup maximum
Hardꢂare........................... One lockꢂasher and one mounting nut is shipped ꢂith each potentiometer, except ꢂhere 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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