| Items |
 PK513PA 0.79 in. (20 mm) 5-Phase Stepper Motor |
PK513PB 0.79 in. (20 mm) 5-Phase Stepper Motor |
 PK513PA-H50S 0.79 in. (20 mm) 5-Phase Stepper Motor |
PK513PB-H50S 0.79 in. (20 mm) 5-Phase Stepper Motor |
PK513PA-H100S 0.79 in. (20 mm) 5-Phase Stepper Motor |
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| Frame Size | 0.79 in20 mm | |||||||||
| Motor Length | 1.18 in.30 mm | 1.18 in.30 mm | 1.77 in.45 mm | 1.77 in.45 mm | 1.77 in.45 mm | |||||
| Basic Step Angle | 0.72º | |||||||||
| Speed-Torque Characteristics |
 Speed-Torque Characteristics |
Speed-Torque Characteristics |
 Speed-Torque Characteristics |
Speed-Torque Characteristics |
 Speed-Torque Characteristics |
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| Holding Torque | 3.2 oz-in0.0231 N·m | 3.2 oz-in0.0231 N·m | 56 oz-in0.4 N·m | 56 oz-in0.4 N·m | 85 oz-in0.6 N·m | |||||
| Current per Phase | 0.35 A/phase | |||||||||
| Type | High-Torque | High-Torque | Geared | Geared | Geared | |||||
| Shaft/Gear Type | Round Shaft (No Gearhead) | Round Shaft (No Gearhead) | Harmonic Gear | Harmonic Gear | Harmonic Gear | |||||
| Gear Ratio (X:1) | 50 :1 | 50 :1 | 100 :1 | |||||||
| Backlash | ||||||||||
| Encoder Output | ||||||||||
| Motor Connection Type | Connector | |||||||||
| Shaft | Single | Double | Single | Double | Single | |||||
| Step Angle | 0.72 ° | 0.72 ° | 0.0144 ° | 0.0144 ° | 0.0072 ° | |||||
| Connection Type | New Pentagon (Bipolar) | |||||||||
| Lead Wires | 5 | |||||||||
| Rotor Inertia | 0.017 oz-in²3.1x10-7 kg·m² | |||||||||
| Lost Motion | 2 arc min max. | 2 arc min max. | 2 arc min max. | |||||||
| Static Friction Torque | ||||||||||
| RoHS Compliant | Yes | |||||||||
| Safety Standards | UL CSA CE | UL CSA CE | UL CSA EN CE | UL CSA EN CE | UL CSA EN CE | |||||
| 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 | 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 | 0 in. from Shaft End = 11.2 lb0.2 in. from Shaft End = 16.8 lb0 mm from Shaft End = 50 N5 mm from Shaft End = 75 N | 0 in. from Shaft End = 11.2 lb0.2 in. from Shaft End = 16.8 lb0 mm from Shaft End = 50 N5 mm from Shaft End = 75 N | 0 in. from Shaft End = 11.2 lb0.2 in. from Shaft End = 16.8 lb0 mm from Shaft End = 50 N5 mm from Shaft End = 75 N | |||||
| Axial Load | 0.67 lb3 N | 0.67 lb3 N | 13.5 lb60 N | 13.5 lb60 N | 13.5 lb60 N | |||||
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