DC motor A12B-33

3 Vcoreless

Overview
The A12B series is a line of coreless motors (outer diameter φ12 mm) offering multiple sub-models with different lengths, voltages and performance characteristics. The page lists detailed specifications for each sub-model, gallery images and demonstration videos.

Product series specifications
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] | Max Torque [mN･m] | Efficiency [%] | Output [W]
A12B-24 | 12 | 15.5 | 4.5 | 4.1 | 23,800 | 45 | 1,100 | 1.83 | 63.6 | 1.14
A12B-37 | 12 | 18.1 | 9.0 | 65.2 | 8,860 | 5 | 138 | 1.24 | 65.6 | 0.29
A12B-36 | 12 | 18.1 | 12.0 | 122.4 | 10,240 | 4 | 98 | 1.01 | 63.7 | 0.27
A12B-35 | 12 | 18.1 | 3.0 | 24.0 | 5,100 | 8 | 125 | 0.62 | 55.8 | 0.08
A12B-33 | 12 | 18.1 | 3.0 | 40.0 | 3,600 | 5 | 75 | 0.52 | 55.0 | 0.05
A12B-32 | 12 | 18.1 | 4.5 | 2.4 | 19,250 | 35 | 1,870 | 4.02 | 74.5 | 2.03
A12B-27 | 12 | 18.1 | 3.0 | 10.3 | 7,750 | 12 | 291 | 0.99 | 63.5 | 0.20

Customizable items

• Gear head
• Lead pin
• Lead wire
• Grounding terminal

Gallery and media
Each product detail includes one main product image and additional gallery images and demonstration videos for the sub-models.

Technical specifications

• Series name: A12B
• Outer diameter: 12 mm
• Available lengths: from 15.5 mm to 18.1 mm (varies by sub-model)
• Applied voltages shown per sub-model (examples: 3.0 V, 4.5 V, 9.0 V, 12.0 V)
• Terminal resistance values vary significantly by sub-model (examples: 2.4 Ω, 4.1 Ω, 65.2 Ω, 122.4 Ω)
• Performance metrics provided per sub-model: no-load speed [r/m], no-load current [mA], startup current [mA], max torque [mN･m], efficiency [%], output [W]
• Customizable options: gear head, lead pin, lead wire, grounding terminal