鈻?/div>
Small diameter
Wide resistance range
Good resolution
Linear tapers
Cermet element
*R
3862 - 1/2 鈥?Diameter Single-Turn Panel Control
Initial Electrical Characteristics
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Standard Resistance Range..................................................................................................................................................................100 ohms to 1 megohm
Total Resistance Tolerance ................................................................................................................................................................................(A Taper) 鹵10 %
(H Taper) 鹵5%
Independent Linearity ........................................................................................................................................................................................................鹵5 %
Absolute Minimum Resistance........................................................................................................................................................................2 ohms maximum
Effective Electrical Angle ..........................................................................................................................................................................................260 擄 鹵10 擄
Contact Resistance Variation ................................................................................................................................................................鹵3 % of total resistance
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ..................................................................................................................................................................................................750 VAC minimum
70,000 Feet ................................................................................................................................................................................................350 VAC minimum
Insulation Resistance (500 VDC)........................................................................................................................................................1,000 megohms minimum
Power Rating (Voltage Limited by Power Dissipation or 350 VAC, Whichever is Less)
+70 擄C............................................................................................................................................................................................................................1 watt
+125 擄C..........................................................................................................................................................................................................................0 watt
Theoretical Resolution ....................................................................................................................................................................................Essentially infinite
Environmental Characteristics
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Operating Temperature Range..........................................................................................................................................................................-1 擄C to +125 擄C
Storage Temperature Range ..........................................................................................................................................................................-65 擄C to +125 擄C
Temperature Coefficient Over Storage Temperature Range ..................................................................................................................................鹵150 ppm/擄C
Vibration ..............................................................................................................................................................................................................................20 G
Total Resistance Shift ....................................................................................................................................................................................鹵2 % maximum
Voltage Ratio Shift ........................................................................................................................................................................................鹵6 % maximum
Shock ..................................................................................................................................................................................................................................50 G
Total Resistance Shift ....................................................................................................................................................................................鹵2 % maximum
Voltage Ratio Shift ........................................................................................................................................................................................鹵6 % maximum
Load Life ..................................................................................................................................................................................................................1,000 hours
Total Resistance Shift ....................................................................................................................................................................................鹵3 % maximum
Rotational Life (C & N Bushing) No Load ..............................................................................................................................................................50,000 cycles
Total Resistance Shift ....................................................................................................................................................................................鹵5 % maximum
Contact Resistance Variation..........................................................................................................................................................................................鹵3 %
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Total Resistance Shift ....................................................................................................................................................................................鹵2 % maximum
Insulation Resistance (500 VDC) ......................................................................................................................................................100 megohms minimum
Salt Spray ....................................................................................................................................................................MIL-STD-202, Method 101, Condition A
IP Rating ..............................................................................................................................................................................................................................IP 40
Mechanical Characteristics
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Stop Strength ................................................................................................................................................................................33 N-cm (3 lb.-in.) maximum
Mechanical Angle ........................................................................................................................................................................................................295 擄 鹵3 擄
Torque
Starting and Running ............................................................................................................................................................3.53 N-cm (5 oz.-in.) maximum
Mounting (Torque on Bushing) ......................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum
Shaft Locking Torque with Locking Bushings ....................................................................................................................................14.12 N-cm (20 oz.-in.)
Weight (Single Section) ................................................................................................................................................................................25 grams maximum
(Each Additional Section) ........................................................................................................................................................................................................
Terminals ....................................................................................................................................................................................Printed circuit pins or J-Hooks
Soldering Condition ......................................................................Recommended hand soldering using Sn85/Ag5 no clean solder, 0.025 鈥?wire diameter
Maximum temperature 399 擄C (750 擄F) for 3 seconds. No wash process to be used with no clean flux.
Part can be wave soldered at 260 擄C (500 擄F) for 5 seconds, no wash process with no clean flux.
Marking..................................................................................Manufacturer鈥檚 trademark, wiring diagram, date code, resistance, manufacturer鈥檚 part number
Ganging..............................................................................................................................................................................................................1 cup maximum
Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
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AT ROOM AMBIENT: +25 擄C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
*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.
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