17 Stepper Motor – 1.8° Step Angle, 42mm Frame, 130oz_in Torque, 1.2A Rated Current

Overview:
The 17HB16-1204D is a compact stepper motor designed for precision motion control in light-duty applications. With a 42×42×40mm frame and 1.8° step angle, it delivers 130oz-in holding torque at 1.2A rated current, balancing performance with energy efficiency. Featuring 2.5Ω phase resistance and 5mH inductance, the motor ensures stable operation. Its D-cut shaft (5mm diameter, 21mm length) and 4-lead wire configuration enable secure coupling and simplified integration with standard drivers.

Key Features:
1.8° Step Angle: Enables precise positioning (200 steps/rev).
130oz-in Holding Torque: Suited for small robotics, 3D printer extruders, and light automation.
1.2A Rated Current: Optimized for low-heat continuous operation.
42mm Frame Size: Compact 42×42×40mm design for space-constrained setups.
D-cut Shaft: 5mm diameter with 21mm length for secure pulley/belt attachment.
4-Lead Wire Configuration: Simplifies connection to 2-phase microstepping drivers.
Electrical Specs: 2.5Ω phase resistance, 5mH inductance for stable power conversion.

Applications:
Perfect for small 3D printers, laser engravers, automated dispensers, educational robotics, and hobbyist projects. Ideal for scenarios requiring precise motion in confined spaces, such as DIY electronics, model machinery, or low-load automation systems.

Mechanical Specifications:
Frame Size: 42×42×40mm
Shaft Type: D-cut
Shaft Dimensions:
Diameter: 5mm
Length: 21mm
Torque: 130oz-in (holding torque)

Electrical Specifications:
Rated Current: 1.2A per phase
Phase Resistance: 2.5Ω
Inductance: 5mH
Step Angle: 1.8° (200 steps/rev)
Wire Configuration: 4-lead (2-phase)

Environmental Specs:
Operating Temperature: 0°C – 50°C
Humidity: 40–90% RH (non-condensing)
Avoid: Dust, oil, moisture, and corrosive gases.