Lead Time1
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{Contact your local sales office for more information.}
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Frame Size
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1.65 in42 mm
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Output Shaft
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Metric
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Output Shaft Diameter
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6 mm
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Motor Length
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2.59 in.64.5 mm
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Basic Step Angle
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0.72º
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Speed-Torque Characteristics
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![](/ImgSmall/stc-pkp543n18_2-ts30.jpg)
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Holding Torque
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320 oz-in2.3 N·m
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Current per Phase
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1.8 A/phase
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Type
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Geared
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Shaft/Gear Type
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Spur Gear (Offset Shaft)
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Gear Type
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Spur Gear, Low Backlash (up to 45 arc min), Offset Shaft
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Gear Ratio (X:1)
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30 :1
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Backlash
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15 arcmin (0.25°)
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Motor Connection Type
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Flat Connector
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Shaft
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Single
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Step Angle
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0.024 °
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Connection Type
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New Pentagon (Bipolar)
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Lead Wires
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5
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Rotor Inertia
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0.191 oz-in²35x10-7 kg·m²
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RoHS Compliant
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These products do not contain substances that exceed the regulation values in the RoHS Directive.
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Safety Standards
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CE
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Insulation Resistance
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100 MΩ or more when 500 VDC megger is applied between the windings and the case under normal ambient temperature and humidity.
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Dielectric Strength
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No abnormalities are observed, even when applying voltage between the windings and the case for 1 minute under normal ambient temperature and humidity with the following conditions. 0.5 kVAC 50/60 Hz
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Temperature Rise
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Winding temperature rise 144ºF (80ºC) max.
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Ambient Temperature Range
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14 ~ 122ºF (-10 ~ 50ºC) (non-freezing)
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Ambient Humidity
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85% or less (Non-Condensing)
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Shaft Runout
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0.05 mm (0.002 in.) T.I.R.
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Concentricity
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0.075 mm (0.003 in.) T.I.R.
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Perpendicularity
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0.075 mm (0.003 in.) T.I.R.
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Radial Play
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0.025 mm (0.001 in.) maximum of 5 N (1.12 lb.)
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Axial Play
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0.075 mm (0.003 in.) maximum of 10 N (2.2 lb.)
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Radial Load
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0 in. from Shaft End = 9 lb0.2 in. from Shaft End = 11.2 lb0.39 in. from Shaft End = 13.5 lb0.59 in. from Shaft End = 15.7 lb0 mm from Shaft End = 40 N5 mm from Shaft End = 50 N10 mm from Shaft End = 60 N15 mm from Shaft End = 70 N
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Axial Load
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3.3 lb15 N
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