Model 3862—1/2" Diameter Single-Turn Panel Control
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| Features: |
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Cermet element |
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Linear Taper |
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RoHS compliant version available
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Model
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Model 3862
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1/2" Diameter Single-Turn Panel Control |
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Electrical Specifications
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Resistance
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1K ohms to 1.0 megohm |
Resistance Tolerance
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A Taper: ±10%
H Taper: ±5%
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Independent Linearity
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±5%
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Absolute Minimum Resistance
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2 ohms maximum |
Effective Electrical Angle
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260° ±10°
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Contact Resistance Variation
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±3% or 6 ohms
(whichever is greater)
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Dielectric Withstanding Voltage
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Sea Level: 750 VAC minimum
70,000 Feet: 350 VAC minimum
(MIL-STD-202—Method 301)
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| Insulation Resistance |
1,000 megohms minimum (500VDC)
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| Power Rating @ 70°C |
+70°: 1 watt
+125°: 0 watt
(Voltage Limited By Power Dissipation or 200 VAC, whichever is less)
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Theoretical Resolution
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Essentially infinite
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Mechanical Specifications
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Stop Strength
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33 N-cm (3 lb.-in.) maximum |
Mechanical Angle
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295° ±3° |
Starting and Running Torque
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3.53 N-cm (5.0 oz.-in.) maximum |
Mounting (Torque on Bushing)
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1.7-2.0 N-m (15-18 lb.-in.) maximum |
Shaft Locking Torque with Locking Bushings
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14.12 N-cm (20 oz.-in.) |
Weight
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25 grams maximum |
Terminals
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Printed circuit pins or J-Hooks |
Soldering Condition
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Recommended hand soldering using Sn85/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 flux.
Part can be wave soldered at 260°C (500°F) for 5 seconds. No wash process with no clean flux. |
Marking
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Manufacturer’s trademark, wiring diagram, date code,
resistance, manufacturer’s part number |
Ganging
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1 module maximum |
Hardware
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One lockwasher and one mounting nut is shipped with each potentiometer,
except where noted in the part number. |
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Environmental Specifications
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Operating Temperature Range
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-40°C to +125°C |
Storage Temperature Range
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-65°C to +125°C |
Temperature Coefficient
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±150 ppm/°C over Storage Temperature Range |
Vibration—20 G
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Total Resistance Shift: ±2% maximum
Voltage Ratio Shift: ±6% maximum |
Shock—100 G
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Total Resistance Shift: ±2% maximum
Voltage Ratio Shift: ±6% maximum |
Load Life—1,000 Hours
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Total Resistance Shift: ±3% maximum |
Rotational Life (No Load)
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(C & N Bushings): 50,000 cycles
(E & T Bushings): 1,000 cycles
Total Resistance Shift: ±5% maximum
Contact Resistance Variation:
±3% or 6 ohms (whichever is greater) |
Moisture Resistance
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Total Resistance Shift: ±2% TRS maximum
Insulation Resistance (500 VDC):
100 megohms minimum
MIL-STD-202, Method 103, Condition B |
Salt Spray
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MIL-STD-202, Method 101, Condition A |
IP Rating
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IP40 |
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