Product SeriesThe A17B series of coreless motors (outer diameter 17.4 mm) is a family of micro coreless DC motors offered in multiple submodels with varying lengths, applied voltages and performance characteristics. Typical industrial applications include small fans, compact actuators and high-speed micro devices that require a small footprint and high rotational speed.
Representative Product Series Table (columns)Model Name | Outer Diameter [mm] | Length [mm] | Applied Voltage [V] | Terminal resistance [Ω] | No Load Rotation Speed [r/m] | No Load Current [mA] | Startup Current [mA] | Startup Torque [mN・m] | Efficiency [%] | Output [W]
A17B-43 | 17.4 | 15.8 | 3.7 | 1.50 | 16,140 | 32 | 2,467 | 5.26 | 78.5 | 2.22
A17B-42 | 17.4 | 15.8 | 4.8 | 1.70 | 22,100 | 40 | 2,824 | 5.69 | 77.6 | 3.29
A17B-33 | 17.4 | 15.8 | 4.5 | 1.73 | 18,000 | 40 | 2,601 | 6.02 | 76.7 | 2.84
A17B-28 | 17.4 | 15.8 | 4.8 | 3.69 | 14,000 | 20 | 1,300 | 4.13 | 76.7 | 1.51
A17B-19 | 17.4 | 15.8 | 4.5 | 6.4 | 10,300 | 20 | 703 | 2.77 | 69.1 | 0.75
(Additional A17B variants available with similar columned specifications.)
Product Details — example: A17B-43- Model Name: A17B-43
- Outer diameter: 17.4 mm
- Length: 15.8 mm
- Applied voltage (example spec shown): 3.7 V
- Terminal resistance: 1.50 Ω
- No-load rotation speed: 16,140 r/m
- No-load current: 32 mA
- Startup current: 2,467 mA
- Startup torque: 5.26 mN·m
- Efficiency (example): 78.5 %
- Output: 2.22 W
Customizable Items (series / stated per model)- Lead pin
- Lead wire
- Grounding terminal
NotesSeries pages include product-specific detail blocks (individual product specification tables, main images, gallery images, and demonstration videos). Outline drawings and CAD data are indicated as available for download from the product pages and material catalogs.