| Parameter | Typical Value | |-----------|----------------| | Rated current (per phase) | 0.84A – 1.0A (common: 0.84A) | | Rated voltage | 2.5V – 3.2V | | Phase resistance | 3.0 – 3.6 Ω (per coil) | | Phase inductance | 3.5 – 4.5 mH | | Holding torque | 0.35 – 0.4 Nm (≈ 50 – 57 oz-in) | | Steps per revolution | 200 (1.8° step angle) | | Number of leads | 4 | | Lead wire length | 1m (approx.) | | Insulation class | B (130°C) |