Models 91, 92, 93, 95 (Series 90LL)
Long Life Single-Turn Panel Control |
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| Features: |
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Conductive Plastic Elements |
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±2% Independent Linearity |
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Extended rotational life |
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Single or Dual Modules |
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Metal Bushing; Plastic or Metal Shaft |
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RoHS Compliant |
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Model
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Model 91 - Long Life
| Single-Turn, In-Line PC Pins
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Model 92 - Long Life
| Single-Turn, In-Line J-Hooks
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Model 93 - Long Life
| Single-Turn, L-Pattern PC Pins
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Model 95 - Long Life
| Single-Turn, Triangle-Pattern Solder Lugs
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Electrical Specifications
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Output
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Conductive Plastic: 1K, 5K, 10K ohms |
Tolerance
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10%
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Linearity
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±5%
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Effective Electrical Angle
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240°±5° |
| Output Smoothness |
0.15% maximum
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Dielectric Withstanding Voltage
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Sea Level: 1,500 VAC minimum
70,000 Feet: 500 VAC minimum
(MIL-STD-202, Method 301) |
Insulation Resistance
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1,000 megohms minimum (500 VDC)
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Power Rating
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+70°C Single Section: 1 watt
+70°C Multiple Section: 0.5 watt
+125°C: 0 watt
(Voltage limited by power dissipation or 350 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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Mechanical Angle
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300° ±5°
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Stop Strength
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A & R Bushings: 45.19 N-cm (4 lb.-in.)
C & U Bushings: 33.89 N-cm (3 lb.-in.)
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Running Torque
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Single or Dual Section (A & R Bushings):
0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.)
Single or Dual Section (C & U Bushings):
0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) |
Starting Torque
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0.3 max. above average running torque
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Mounting Torque
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1.7-2.0 N-m (15-18 lb.-in.) maximum |
Torque Variation
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0.35 N-cm (0.5 oz.-in.) max. in 45° shaft travel |
Weight
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Single Section, Metal Bushing: 12.7 grams nominal
Each Additional Section: 4 grams nominal |
Terminals
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Printed circuit terminals, J-Hooks or solder lugs |
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. |
Marking
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Manufacturer’s trademark, date code, resistance, manufacturer’s part number |
Ganging
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2 Potentiometer modules 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
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Storage Temperature Range
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-55°C to +125°C
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Temperature Coefficient
Over Storage Temperature Range |
±1,000 ppm/°C |
Vibration 15 G
(Single Section) |
Total Resistance Shift: ±2% maximum
Voltage Ratio Shift: ±5% maximum
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Shock 30 G
(Single Section)
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Total Resistance Shift: ±2 % maximum
Voltage Ratio Shift: ±5 % maximum |
Load Life (1,000 hours)
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Total Resistance Shift: ±10% maximum |
Rotational Life (No Load)
1,000,000 cycles
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Total Resistance Shift: ±15% TRS maximum |
Moisture Resistance
MIL-STD-202, Method 103B, Condition B
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Total Resistance Shift: ±10% TRS maximum
Insulation Resistance (500 VDC): 100 megohms minimum |
IP Rating
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IP40 (potentiometer body)
IP65 (shaft and bushing interface only) |
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