The CFK II series 5-phase microstepping system provides unparalleled resolution and low vibration in an open loop system ,as well as high torque in the high speed range.
  • Compact, highly functional board-level driver
  • Low vibration in the low-speed range
  • High performance and simple operation


Unit of Measure

Lead Time

Available to Ship1 - {Contact your local sales office for more information.}


Product Line


Motor Type

- 5-Phase

Motor Frame Size

- 3.35 in. sq.


- Single

Power Supply

- 24 VDC

Shaft/Gear Type

- Round Shaft (No Gearhead)

Step Angle

- 0.72 °

Basic Step Angle

- Microstep- 0.00288° ~ 0.72°

Maximum Holding Torque (lb-in)

- 18.13

Rotor Inertia (oz-in2)

- 7.7 oz-in2

RoHS Compliant

- No

Insulation Resistance

- [Motor] 100 M Ω minimum under normal temperature and humidity, when measured by a 500 VDC megger between the windings and case.

Dielectric Strength

- [Motor] Sufficient to withstand 1.5 kV, 50 Hz power applied between the windings and casing for 1 minute under normal temperature and humidity.

Insulation Class

- [Motor] Class B [266°F (130°C)] Recognized as Class A [221°F (105°C)] by UL and CSA standards.

Ambient Temperature Range

- [Driver] 32°F ~ 104°F (0°C ~ 40°C) (nonfreezing) [Motor] 14°F ~ 122°F (-10°C ~ 50°C) (nonfreezing)

Ambient Humidity

- 85% or less (noncondensing)

Operating Atmosphere

- No corrosive gases, dust, water or oil.

Temperature Rise

- Temperature rise of the coil measured by the Change Resistance Method is 176°F (80°C) or less (at standstill, five phases energized).

Shaft Runout

- 0.002 in (0.05 mm) T.I.R. at top of output shaft


- 0.003 in. (0.075 mm) T.I.R.


- 0.003 in. (0.075 mm) T.I.R.

Stop Position Accuracy

- ±3 arc minutes (±0.05°)

Radial Play

- 0.001 inch (0.025 mm) max. of 1.12 lb. (5 N)

Axial Play

- 0.003 in (0.075 mm) max. of 2.2 lb. (10 N)

List Price

  • 1 Quoted Ship Date for orders placed before 12:00pm PST in quantities listed.
    A newer version of this product is available, contact your local sales office for more information.


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