7281 Datasheet, PDF (1/4 Pages) Bi technologies – 7/8 Diameter 10-Turn Wirewound Precision Potentiometer

Model 7280
7/8” Diameter
10 Turn Wirewound
Precision Potentiometer
MODEL STYLES AVAILABLE
7281
7283
7284
7286
7288 (for heavy side load applications)
1/8” Shaft, 1/4” Bushing
1/8” Shaft, Servo
6 mm shaft, 3/8” Bushing
1/4” Shaft, 3/8” Bushing
1/4” Shaft, 3/8” Bushing
ELECTRICAL¹
Resistance Range
Standard Resistance Tolerance
Minimum Practical Resistance Tolerance
Independent Linearity²
Minimum Practical Independent Linearity
Power Rating
Dielectric Strength
Insulation Resistance
Noise
Actual Electrical Travel
End Voltage
Tap Tolerance
100 to 100K ohms
±5%
±1%
±0.25%
±0.15% (<300 ohms), ±0.075% (≥300 ohms)
2.0 Watts at 70°C, derating to 0 at 125°C
1,000 V rms
1,000 Megohms minimum
100 ohms maximum
3600° +10° -0° (>100 ohms), 3600° +10° -5° (≤100 ohms)
maximum 0.25% of input voltage
±3°
MECHANICAL
Total Mechanical Travel
Number of Gangs
Weight (single gang)
Backlash
Static Stop Strength
Panel Nut Tightening Torque
Shaft End Play
Shaft Runout
Pilot Diameter Runout
Lateral Runout
Shaft Radial Play
Start/Run Torque (per gang, ES option adds 0.5 oz.-in.)
7281, 7284, 7286, 7288
maximum 48 oz.-in.
maximum 25 lb.-in.
maximum
0.010”
maximum T.I.R.
0.003”
maximum T.I.R.
0.004”
maximum T.I.R.
0.005”
maximum
0.003”
maximum 0.8 oz.-in.
3600° +15° -0°
2 maximum
0.75 oz. nominal
1° maximum
7283
36 oz.-in.
n/a
0.005”
0.002”
0.002”
0.004”
0.002”
0.6 oz.-in.
1 _{Specifications subject to change without notice.}
2 _{Linearity is measured between 1% and 99% of input voltage.}
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: [phone] Website: www.bitechnologies.com
September 1, 2015
Model 7280 page 1 of 4
Pb RoHS 2
compliant