OverviewThe A17B series of coreless motors (outer diameter φ17.4 mm) is a family of micro coreless DC motors for small devices. Typical sub-model A17B-43 is noted as a sub-model used in electric-fan-equipped masks. Outline drawings and CAD data are available for download for design reference.
Representative product (A17B-43) — key specification tableModel Name | Outer Diameter [mm] | Length [mm] | Applied Voltage [V] | Terminal resistance [Ω] | Rotation Speed [r/m] | No Load Current [mA] | Startup Current [mA] | Torque [mN・m] | Efficiency [%] | Output [W]
A17B-43 | 17.4 | 15.8 | 3.7 | - | 16,140 | 32 | 2,467 | 5.26 | 78.5 | 2.22
Other A17B family sample entries (selection)Model Name | Outer Diameter [mm] | Length [mm] | Applied Voltage [V] | Terminal resistance [Ω] | Rotation Speed [r/m] | No Load Current [mA] | Startup Current [mA] | Torque [mN・m] | Efficiency [%] | Output [W]
A17B-42 | 17.4 | 15.8 | 4.8 | - | 22,100 | 40 | 2,824 | 5.69 | 77.6 | 3.29
A17B-33 | 17.4 | 15.8 | 4.5 | - | 18,000 | 40 | 2,601 | 6.02 | 76.7 | 2.84
A17B-28 | 17.4 | 15.8 | 4.8 | - | 14,000 | 20 | 1,300 | 4.13 | 76.7 | 1.51
A17B-44 | 17.4 | 18.4 | 12.0 | - | 17,900 | 15 | 1,535 | 9.63 | 81.2 | 4.52
(Additional variants in the A17B family are listed on the page with comparable columns.)
Customizable items- Lead pin
- Lead wire
- Grounding terminal
NotesThese tables report typical electrical and mechanical characteristics per model: rotation speed (r/min), currents (mA), torque (mN·m), efficiency (%) and output (W). Values shown are the product datasheet figures for each sub-model.