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28BYJ48 Geared Stepper Motor, Ø28 mm, 5 V / 12 V
28BYJ48 Geared Stepper Motor, Ø28 mm, 5 V / 12 V
28BYJ48 technical drawing

28BYJ48 PM Geared Stepper Motor, Ø28mm 5V/12V Permanent Magnet Reduction Stepper Motor

The industry-standard Ø28 mm geared stepper motor with a 1:64 reduction, in 5 V and 12 V windings. Widely used for air-conditioner louvers, appliance dampers, smart locks and hobby projects.

Frame Size
Ø28 mm
Gear Ratio
1:64
Rated Voltage
5 V / 12 V
Coil Resistance
60 Ω / 130 Ω / 200 Ω
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SKU: RV-28BYJ48 Category: Applications: ,

Product Details

Specifications

Frame Size

Ø28 mm
Gear Ratio

1:64
Rated Voltage

5 V / 12 V
Coil Resistance

60 Ω / 130 Ω / 200 Ω
Pull-in Torque

≥ 44.1 mN·m (12 V, 130 Ω)
Step Angle

5.625° (1-2 phase) / 11.25° (2-2 phase), before gearbox
Mounting Hole Spacing

35 mm / 42 mm
Output

Ø5 mm D-cut shaft
Weight

45 g

Typical Applications

  • Home appliances
  • Air conditioners
  • Refrigerators
  • Smart sanitary ware
  • Automatic door locks
  • CCTV cameras
  • Electronic instruments

Electrical Specifications

Voltage (V) Resistance (Ω) Gear Ratio Pull-in Torque @ 100 pps (mN·m) Detent Torque (mN·m) Max Pull-in Rate (pps) Max Pull-out Rate (pps)
5 60 1:64 ≥ 29.4 ≥ 29.4 ≥ 500 ≥ 900
12 130 1:64 ≥ 44.1 ≥ 29.4 ≥ 500 ≥ 900
12 200 1:64 ≥ 35 ≥ 29.4 ≥ 500 ≥ 900

Technical Drawing

28BYJ48 technical drawing

All dimensions in mm.

Customization

Voltage, coil resistance, gear ratio, shaft, lead wire length and connector can be customized. Send us your requirements with the quote form and we will reply with a proposal.

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