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20BYJ46 Geared Stepper Motor, Ø20 mm
20BYJ46 Geared Stepper Motor, Ø20 mm
20BYJ46 technical drawing

20BYJ46 PM Geared Stepper Motor, Ø20mm Permanent Magnet Reduction Stepper Motor

Ø20 mm miniature geared stepper motor with a 1:85 reduction and brass output shaft, in 5 V and 12 V windings. For compact appliance, lock and instrument mechanisms where space is tight.

Frame Size
Ø20 mm
Gear Ratio
1:85
Rated Voltage
5 V / 12 V
Coil Resistance
60 Ω / 250 Ω
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SKU: RV-20BYJ46 Category: Applications: ,

Product Details

Specifications

Frame Size

Ø20 mm
Gear Ratio

1:85
Rated Voltage

5 V / 12 V
Coil Resistance

60 Ω / 250 Ω
Pull-in Torque

≥ 29.4 mN·m
Step Angle

7.5° (1-2 phase) / 15° (2-2 phase), before gearbox
Mounting Hole Spacing

25.4 mm / 31 mm
Output

Ø5 mm D-cut shaft
Weight

30 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 1:85 ≥ 29.4 ≥ 29.4 ≥ 500 ≥ 900
12 250 1:85 ≥ 29.4 ≥ 29.4 ≥ 500 ≥ 900

Technical Drawing

20BYJ46 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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