This is a 20mm diameter permanent magnet stepper motor with gear ratio gearbox.
This is an uni-polar motor with 4 phases.
With low price and reliable quality, this motor is widely used in home appliance industries, such as air conditioning, smart home system, smart toilet and so on.
We provide customization service on gear ratio, coil resistance, phase number, and connector types.
Customers can customize motor’s parameter based on specific requirement, we have 85:1 gear ratio for option.
Customization options:
Model No.: 20BYJ46
Step angle:(1-2phase driving) 7.5°/85; (2-2 phase driving) 15°/85
Gear ratio: 85:1
Customizable items:
Voltage:5~24V; gear ratio, gear material, output shaft, motor’s cap design customizable
| Voltage (V) | Resistance (Ω) | Pull-in torque 100PPS (mN*m) | Detent Torque (mN*m) | Unload pull-in Frequency (PPS) | Step Angle (1-2phase) |
| 5 | 60 | ≥58.8 | ≥68.6 | ≥500 | 7.5°/85 |
| 12 | 130 | ≥68.5 | ≥68.6 | ≥550 |
| 12 | 200 | ≥58.8 | ≥68.6 | ≥550 |
Design drawing(Unit:mm)
Technical Features
Application Highlights
HVAC/R Valve Actuation Winding possibilities – Bipolar
Office Automation Printers, Copiers, Data storage Maintenance free - motor is brushless
Medical Applications Pill dispensing Analysers Cost effective - compact design, lower integration cost
Telecommunication Antennae positioning Switching lines Open loop control - No encoders necessary
Packaging and Shipping information:
Samples are packed with foam sponge inside paper box.
For mass production, products are packed in paper carton.
For sea shipping (Mass production), cartons are packed on pallet.
Shipping time:
By express(DHL/ UPS/ Fedex/ TNT): 5~12 days
By 4PX express: 10~20 days
Sea shipping: 40~60 days (depends on different countries)
Product Tags:
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20mm Reduction Stepper Motor 7.5 Degree DC 5v 20BYJ46 Permanent Magnet Stepper Motor Images
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