20BYJ46 20mm Stepper Motor 7.5° Step Angle 5V DC with 85:1 Gear Reduction for Precision Control
Price:
$0.85~2/unit
MOQ:
1unit
Delivery Time:
7-30 work days
Brand:
WEIGU
Product Description
Product Overview
20mm diameter permanent magnet stepper motor with integrated gear reduction system, featuring 7.5° step angle and 5V DC operation. This unipolar 4-phase motor delivers reliable performance for precision positioning applications.
Key Specifications
Model: 20BYJ46
Step Angle: 7.5°/85 (1-2 phase driving), 15°/85 (2-2 phase driving)
Gear Ratio: 85:1
Voltage Range: 5-24V DC
Diameter: 20mm
Step Angle: 7.5°/85 (1-2 phase driving), 15°/85 (2-2 phase driving)
Gear Ratio: 85:1
Voltage Range: 5-24V DC
Diameter: 20mm
Performance Data
| Voltage (V) | Resistance (Ω) | Pull-in Torque 100PPS (mN*m) | Detent Torque (mN*m) | Unload Pull-in Frequency (PPS) | Step Angle (1-2 phase) |
|---|---|---|---|---|---|
| 5 | 60 | ≥58.8 | ≥68.6 | ≥500 | 7.5°/85 |
| 12 | 130 | ≥68.5 | ≥68.6 | ≥550 | - |
| 12 | 200 | ≥58.8 | ≥68.6 | ≥550 | - |
Technical Features
- Winding possibilities - Bipolar configuration
- Maintenance free operation - brushless design
- Cost effective - compact design with lower integration cost
- Open loop control - no encoders necessary
- Permanent magnet construction for reliable performance
Applications
- HVAC/R valve actuation systems
- Office automation - printers, copiers, data storage
- Medical applications - pill dispensing, analyzers
- Telecommunication - antenna positioning
- Smart home systems and appliances
Customization Options
We offer comprehensive customization services including:
- Gear ratio variations (85:1 standard, other ratios available)
- Coil resistance adjustments
- Phase number modifications
- Connector type alternatives
- Gear material selection
- Output shaft configurations
- Motor cap design modifications
Design Specifications
Packaging & Shipping
Samples: Foam sponge inside paper box
Mass Production: Paper carton packaging
Sea Shipping: Cartons packed on pallets
Shipping Times:
Express (DHL/UPS/FedEx/TNT): 5-12 days
4PX Express: 10-20 days
Sea Shipping: 40-60 days (varies by destination)
Mass Production: Paper carton packaging
Sea Shipping: Cartons packed on pallets
Shipping Times:
Express (DHL/UPS/FedEx/TNT): 5-12 days
4PX Express: 10-20 days
Sea Shipping: 40-60 days (varies by destination)
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yancheng Weigu Intelligent Technology Co., Ltd.
Location
No. 108-1, Chengxiang East Road, Dagang Town, Yancheng City, Yandu District, Jiangsu Province
Contact Person
li