Nema 8 Stepper Motor Bipolar 0.2A L=38mm w/ Gear Ratio 90:1 Planetary Gearbox

This Nema 8 stepper motor with 38mm body and 0.2A rated current, integrated a planetary gearbox of 90.25:1 gear ratio. It's a good solution to applications that with limited space but need low speed and/or high torque.

Electrical Specification

• Manufacturer Part Number: 8HS11-0204D-PG90
• Motor Type: Bipolar Stepper
• Step Angle: 1.8 deg
• Holding Torque without Gearbox: 1.6Ncm(2.27oz.in)
• Rated Current/phase: 0.2A
• Phase Resistance: 24ohms
• Inductance: 8mH ± 20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 90.25:1
• Efficiency: 70%
• Backlash at No-load: <=3deg
• Max.Permissible Torque: 0.5Nm(70.8oz.in)
• Moment Permissible Torque: 1Nm(141.6oz.in)
• Shaft Maximum Axial Load: 5N
• Shaft Maximum Radial Load: 25N

Physical Specification

• Frame Size: 20 x 20mm
• Gearbox Length: 31.2mm
• Shaft Diameter: Φ6mm
• Shaft Length: 15mm
• D-cut Length: 9mm
• Number of Leads: 4
• Lead Length: 300mm
• Weight: 50g

Connection