0.79 in. (20 mm) NEMA 8 PKP Series 2-Phase Unipolar Stepper Motors

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The high-torque PKP series stepper motor offers balanced performance enhanced by high torque, low vibration and low noise.

0.79 in. (20 mm) Frame Size
2-phase, Unipolar
Single or Double Shaft
Encoder models available
Max. Holding Torque = 1.98 ~ 3.6 oz-in (0.014 ~ 0.026 N·m)

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Items	PKP213U05A 0.79 in. (20 mm) PKP Series 2-Phase Unipolar Stepper Motor Web Price $78.00	PKP213U05B 0.79 in. (20 mm) PKP Series 2-Phase Unipolar Stepper Motor Web Price $80.00	PKP214U06A 0.79 in. (20 mm) PKP Series 2-Phase Unipolar Stepper Motor Web Price $87.00	PKP214U06B 0.79 in. (20 mm) PKP Series 2-Phase Unipolar Stepper Motor Web Price $89.00	PKP213U05A-R2EL 0.79 in. (20 mm) PKP Series 2-Phase Unipolar Stepper Motor (200 P/R, 3-Channel Line Driver Encoder) Web Price $178.00
Basic Step Angle	- 1.8º
Frame Size	- 0.79 in20 mm
Motor Length	- 1.18 in.30 mm	- 1.18 in.30 mm	- 1.57 in.40 mm	- 1.57 in.40 mm	- 1.18 in.30 mm
Holding Torque	- 1.98 oz-in0.014 N·m	- 1.98 oz-in0.014 N·m	- 3.6 oz-in0.026 N·m	- 3.6 oz-in0.026 N·m	- 1.98 oz-in0.014 N·m
Current per Phase (A/phase)	- 0.5	- 0.5	- 0.6	- 0.6	- 0.5
Voltage (VDC)	- 4.25	- 4.25	- 4.2	- 4.2	- 4.25
Resistance (Ω/phase)	- 8.5	- 8.5	- 7	- 7	- 8.5
Inductance (mH/phase)	- 2.9	- 2.9	- 2.4	- 2.4	- 2.9
Shaft/Gear Type	- Round Shaft with Flat (No Gearhead)
Gear Ratio (X:1)	-
Output Shaft Diameter	- 4 mm
Backlash	-
Shaft	- Single	- Double	- Single	- Double	- Single
Encoder	- Not Equipped	- Not Equipped	- Not Equipped	- Not Equipped	- Equipped
Encoder Output	-	-	-	-	- 200 P/R, 3-Channel
Output Type	-	-	-	-	- Line Driver
Motor Connection Type	- Connector	- Connector	- Connector	- Connector	- Lead Wire
Connection Type	- Unipolar
Lead Wires	- 6	- 6	- 6	- 6	- 5
Rotor Inertia	- 0.0088 oz-in²1.66x10^-7 kg·m²	- 0.0088 oz-in²1.66x10^-7 kg·m²	- 0.0159 oz-in²2.96x10^-7 kg·m²	- 0.0159 oz-in²2.96x10^-7 kg·m²	- 0.0088 oz-in²1.66x10^-7 kg·m²
Radial Load	- 0 in. from Shaft End = 2.7 lb0.2 in. from Shaft End = 3.3 lb0 mm from Shaft End = 12 N5 mm from Shaft End = 15 N
Axial Load	- 0.67 lb3 N
Brake Type	-
Brake Power Supply	-
Excitation Current	-
Static Friction Torque	-

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