08PM-K(20□ 1.8°)

Stepping motors rotate at fixed angles with digitally controlled electronic pulses and they are able to start, stop and position with good control characteristics. Hybrid-type stepping motors consist of a rotor with permanent magnets and magnetic bodies, and by using ball bearings they can perform highly precise and reliable motions. Stepping motors can be used in wide range of applications, such as copy machines, multifunction printers, medical equipment, semiconductor manufacturing equipment, factory automation equipment, robots and other industrial equipment.

Features

Stepper motors rotate at fixed angles in response to electrical signals, enabling high-precision starting, stopping, and positioning through open-loop control. The Hybrid (HB) type features a unique construction where permanent magnets are integrated into a rotor made of laminated silicon steel sheets. By utilizing ball bearings, these motors achieve exceptional precision and reliability. Key applications include office automation (OA) equipment such as printers, copiers, and multi-function peripherals, as well as industrial sectors like medical devices, semiconductor manufacturing equipment, factory automation (FA) systems, and robotics.

Click the arrow icon in the table below to switch from ascending to descending order.

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Model	Outer Diameter [mm]	Step Angle [°]	Drive Sequence	Rated Current [A]	Resistance [Ω]	Holding Torque [mN・m]	Inductance [mH]	Rotor Inertia [g・cm2]	Detent Torque [mN・m]	Mass [g]
08PM-K049BSTDCN	20.0	1.800	BI-POLAR	0.50	8.50	20	3.80	1.60	2.00	50
08PM-K139BSTDCN	20.0	1.800	BI-POLAR	0.60	6.50	36	3.20	2.90	2.50	70

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Model

size "L"
[mm]

size "L"
[Inch]

08PM-K049BSTDCN 30.5 1.18

08PM-K139BSTDCN 40.5 1.57
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PHASE

A

A/

B

B/

PIN NO. 4 6 3 1
Associated Data
- PDF product catalog
CAD
- 3D/2D CAD

Model	size "L" [mm]	size "L" [Inch]
08PM-K049BSTDCN	30.5	1.18
08PM-K139BSTDCN	40.5	1.57

PHASE	A	A/	B	B/
PIN NO.	4	6	3	1

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