| 技术规格 / Technical specification | ||||||
| 项目 / Item | Mode | OT-20HS20-001 | OT-20HS28-001 | OT-20HS38-001 | OT-20HS45-001 | |
| 1 | 步距角 / Step angle | ° | 1.8 | 1.8 | 1.8 | 1.8 |
| 2 | L 长度 / Length | mm | 20 | 28 | 38 | 45 |
| 3 | 额定电流 / Rated current | A | 0.4 | 0.4 | 0.6 | 0.8 |
| 4 | 电阻 / Resistance | Ω | 8.5 | 14 | 10 | 4.5 |
| 5 | 保持扭矩 / Holding torque | gf.cm | 140 | 200 | 300 | 400 |
| 6 | 电感 / Inductance | mH | 2.5 | 3 | 5.5 | 1.6 |
| 7 | 驱动方式 / Drive sequence | 单/双极性 | 双极驱动 | 双极驱动 | 双极驱动 | 双极驱动 |
| 8 | 转动惯量 / Rotor inertia | g.cm2 | 2 | 2 | 3 | 4 |
| 9 | 丝杆规格 / Screw specification | / | Tr4x6(p1),Tr4x0.4(P0.4),Tr4x6.35(P0.7975),Tr5x1.2(P1.2),Tr5x4(P1),Tr5x2(P1) 等 | |||
