Series 7600 Precision Multi-Turn Potentiometer
1-13/16" Diameter, 10-Turn Wirewound Element
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10-Turn Wirewound element |
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±5% Resistance Tolerance Standard |
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±0.15% Independent Linearity Standard |
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1/4" Shaft; 3/8" Bushing or Servo Mount |
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Model Styles
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7601
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1/4" Shaft, 3/8" Bushing |
7603
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1/4" Shaft, Servo Mount |
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Electrical Specifications
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Resistance Range
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1K to 650K Ohms |
Resistance Tolerance
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±5% Standard; up to ±1% available
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Independent Linearity
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±0.15% Standard; up to ±0.025% available
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Power Rating
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5 Watts at 70°C derating to 0 Watts at 125°C
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Dielectric Strength
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1,000V rms
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Insulation Resistance
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1,000 Megohms minimum |
Noise
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100 ohms maximum |
Actual Electrical Travel
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3600° +3° -0°, ≤ 300 Ohms
3600° +2° -0°, 301-2,500 Ohms
3600° +1° -0°, > 2,500 Ohms |
Electrical Continuity Over Travel
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+90° ±5° at each end |
Tap Tolerance
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±2°, ≤ 300 Ohms
±1°, 301-2,500 Ohms
±0.5°, ≥ 2,500 Ohms |
End Voltage, maximum
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Within Std. Linearity Tolerance
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Mechanical Specifications
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Total Mechanical Travel
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3,780° ±5° |
Number of Gangs
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2 maximum
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Weight
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5.5 oz. Nominal (per gang) |
Static Stop Strength
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600 oz.-in.
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Backlash
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Essentially zero
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Shaft End Play
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.005" maximum |
Shaft Runout, T.I.R.
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.0005" maximum
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Pilot Diameter Runout, T.I.R.
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.001" maximum
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Lateral Runout, T.I.R.
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.0015" maximum
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Starting Torque
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1.3 oz.-in. maximum
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Running Torque
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0.9 oz.-in. maximum |
Panel Nut Tightening Torque
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7601 - 25 lb.-in. maximum
7603 - N/A
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Shaft Radial Play, maximum
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7601 - 0.002" maximum
7603 - 0.001" maximum
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Environmental Specifications (MIL-R-12934)
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Temperature Range
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Static: -65°C to +125°C
Dynamic: -40°C to +125°C
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Temperature Cycling
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5 cycles, -65°C to +125°C (5% ΔR)
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Shock
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100G's, 6ms Sawtooth
(0.1ms discontinuity max.)
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Vibration
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5G's, 10 to 2,000 Hz
(5% ΔR, 0.1ms discontinuity max.)
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Moisture Resistance
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Ten 24 hour cycles (3% ΔR)
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High Temp Exposure
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1,000 hours at 125°C (5% ΔR)
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Rotational Load Life
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2 mil. shaft rev. + 900 hrs.
at rated wattage at 70°C (5%ΔR)
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