17 Stepper Motor – 1.8° Step Angle, 42mm Frame, 46oz_in Torque, 0.4A Rated Current

Overview:
The 17HB09-0404D is a micro stepper motor designed for precision motion control in low-power applications. With a 42×42×23mm frame and 1.8° step angle, it delivers 46oz-in holding torque at 0.4A rated current, ideal for energy-efficient setups. Featuring 13Ω phase resistance and 20mH 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 compact drivers.

Key Features:
1.8° Step Angle: Enables precise positioning (200 steps/rev).
46oz-in Holding Torque: Suited for small robotics, 3D printer extruders, and light automation.
0.4A Rated Current: Optimized for low-power, low-heat continuous operation.
42mm Frame Size: Ultra-compact 42×42×23mm design for space-constrained applications.
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: 13Ω phase resistance, 20mH inductance for stable power conversion.

Applications:
Perfect for small 3D printers, laser pointers, 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: 42×42×23mm
Shaft Type: D-cut
Shaft Dimensions:
Diameter: 5mm
Length: 21mm
Torque: 46oz-in (holding torque)

Electrical Specifications:
Rated Current: 0.4A per phase
Phase Resistance: 13Ω
Inductance: 20mH
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.