17 Stepper Motor – 1.8° Step Angle, 42mm Frame, 170oz_in Torque, 1.68A Rated Current

Overview:
The 17HB19-1684D is a high-efficiency stepper motor designed for precision motion control in medium-power applications. With a 42×42×48mm frame and 1.8° step angle, it delivers 170oz-in holding torque at 1.68A rated current, balancing torque output with energy efficiency. Featuring 2Ω phase resistance and 3.8mH 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).
170oz-in Holding Torque: Suited for small robotics, 3D printers, and light automation systems.
1.68A Rated Current: Optimized for continuous operation with low heat generation.
42mm Frame Size: Compact 42×42×48mm 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: 2Ω phase resistance, 3.8mH inductance for stable power conversion.

Applications:
Perfect for desktop 3D printers, small CNC routers, laser engravers, automated dispensers, and educational robotics. Ideal for scenarios requiring reliable torque in confined spaces, such as DIY projects, model machinery, or low-load industrial automation.

Mechanical Specifications:
Frame Size: 42×42×48mm
Shaft Type: D-cut
Shaft Dimensions:
Diameter: 5mm
Length: 21mm
Torque: 170oz-in (holding torque)

Electrical Specifications:
Rated Current: 1.68A per phase
Phase Resistance: 2Ω
Inductance: 3.8mH
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.