S159 Series - 5/8" Square Potentiometer
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| Features: |
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One to Four Modules |
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Conductive plastic or cermet element |
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Linear, Audio, Reverse Audio Tapers |
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Resistance Tolerance: ±10% Standard |
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Rotary Switch module available |
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PC board or bushing mount |
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Metal bushing and shaft |
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IP40 Rated |
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RoHS Compliant |
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External Panel and Shaft Seal Options
More information |
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For additional information:
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Potentiometer Electrical Specifications
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Resistance Range
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Conductive Plastic: 1K ohm to 1 megohm
Cermet Linear Taper: 100 ohm to 1 megohm
Cermet Audio Taper: 1K ohm to 1 megohm
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Resistance Tapers
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Linear, Audio, Reverse Audio
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Resistance Tolerance
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±10% Standard (±5% to ±20% Optional)
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Independent Linearity
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±5% |
Absolute Minimum Resistance
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2 ohms max. |
Effective Electrical Angle
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Conductive Plastic Linear Taper: 240° ±5°
Conductive Plastic Audio Taper: 225° ±5°
Cermet Linear Taper: 240° ±6°
Cermet Audio Taper: 225° ±6° |
Contact Resistance Variation
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Conductive Plastic: ±1%
Cermet: ±1% or 3 ohms (whichever is greater) |
Dielectric Withstanding Voltage
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Sea Level: 1,500 VAC minimum
70,000 feet: 500 VAC minimum
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Insulation Resistance
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1,000 megohms minimum
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Power Rating
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Single Section:
Conductive Plastic Linear: 1 watt
Conductive Plastic Audio: 0.5 watt
Cermet Linear: 2 watts
Cermet Audio: 1 watt
Multiple Section:
Conductive Plastic Linear: 0.5 watt/section
Conductive Plastic Audio: 0.25 watt/section
Cermet Linear: 1.0 watt/section
Cermet Audio: 0.5 watt/section
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Theoretical Resolution
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Essentially infinite |
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Potentiometer Mechanical Specifications
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Mechanical Angle
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300° ±5°
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Stop Strength
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45.19 N-cm (4 lb.-in.) |
Starting and Running Torque
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Non-Locking Bushing:
Single, Dual Section: 0.2 to 1.5 oz.-in.
Triple, Quad Section: 0.5 to 2.0 oz.-in.
Locking Bushing:
0.2 to 4.0 oz.-in.
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Shaft Locking Torque
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20 oz-in. (with Locknut @ 10 in-lb.) |
Mounting Torque
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15 to 18 lb.-in. max
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| Running Torque |
Single Section: 0.2 to 2.0 oz.-in. maximum
Dual Section: +0.5 oz.-in. maximum |
Weight
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Single Section: 21 grams maximum
Additional Section: 6 grams maximum |
Multiple Section
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4 gangs maximum
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Terminals
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PC pin or solder lug
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Soldering Condition
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Recommended hand soldering using Sn95/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. |
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Potentiometer Environmental Specifications
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Operating Temperature
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-40 °C to +125 °C
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Storage Temperature
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-55 °C to +125 °C
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Temp Coefficient over Storage Range
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Conductive Plastic: ±1,000 ppm/°C
Cermet: ±150 ppm/°C
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15 G Vibration
(Single Section)
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Total Resistance Shift ±2% maximum
Voltage Ratio Shift ±5% maximum
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30 G Shock
(Single Section)
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Total Resistance Shift ±2% maximum
Voltage Ratio Shift ±5% maximum
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| Load Life - Total Resistance Shift |
Conductive Plastic: 1,000 hours ±10% TRS
Cermet: 1,000 hours ±5% TRS |
Rotational Life
(No Load)
100,000 cycles |
Conductive Plastic Total Resistance Shift:
Linear taper: 10 ohms or ±10% TRS max.
(whichever is greater)
Audio taper: ±20% TRS maximum
Cermet Total Resistance Shift:
All tapers: ±20% TRS maximum
Contact Resistance Variation @ 50,000 Cycles:
Audio taper: ±3%
Linear taper: ±2% |
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Moisture Resistance (MIL-STD-202) |
Conductive Plastic:
(B, E tapers): ±10% TRS max.
(D, G, S, T tapers): ±20% TRS max.
Cermet: ±5% TRS maximum |
| IP Rating |
IP40
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Rotary Switch Electrical Specifications
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Contacts
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DPST: NO/NO, NC/NC, or NO/NC
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Power Rating (DPST)
(Resistive Load)
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2A @ 125 volts RMS-60 Hz or 2A @ 28 VDC
1A @ 250 volts RMS-60 Hz
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Contact Resistance
(0.1 VDC-10 mA)
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10 milliohms nominal
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Contact Bounce
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5 milliseconds maximum |
Dielectric Withstanding Voltage
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Sea Level: 1500 VAC minimum
(MIL-STD-202, Method 301)
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| Insulation Resistance |
1000 megohms minimum |
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Rotary Switch Mechanical Specifications
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Actuating Torque
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5 to 15 oz.-in.
(Each Section, Switch Module Only) |
Running Torque
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0.3 to 2 oz.-in.
(Out of Detent, 2-4 Module Assembly) |
Detent
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CW or CCW standard
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Actuation Angle
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25° |
Contact Materials
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Fine silver with gold overlay |
| Terminal Styles |
Solder lug only |
| Standard Orientation |
In-line with control terminals |
| Optional Orientation |
Rotated 90° CCW from standard |
| Terminal Strength |
0.9 Kg (2 lbs.) minimum
(Before and After Soldering
Heat Exposure) |
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Rotary Switch Environmental Specifications
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Operating Temperature
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-40 °C to +70 °C |
Storage Temperature
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-65 °C to +125 °C |
Vibration
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Dual Section: 8 G
Triple Section: 5 G
Quadruple Section: 3 G
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Contact Resistance
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10 milliohms maximum |
Contact Bounce
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0.1 millisecond maximum |
| Shock |
Dual Section: 20 G
Triple Section: 15 G
Quadruple Section: 10 G |
Rotational Life
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25,000 cycles
Switch Actuating Torque: 2 to 7 oz.-in.
(50% Duty cycle @ Rated Power Load)
Contact Resistance: 100 milliohms maximum |
| Moisture Resistance |
Contact Resistance: 10 milliohms maximum (0.1 VDC-10 mA)
Insulation Resistance: 100 megohms minimum
(After 24 Hours @ Room Temperature and 500 VDC)
(MIL-STD-202, Method 106, Condition B)
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| Switch Housing Material |
High temperature, flame retardant, thermosetting plastic |
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For additional information:
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