DC motor A12B-32

direct current4.5 Vcoreless

Overview A12B series coreless DC motors (outer diameter φ12 mm). The A12B series provides multiple sub-models optimized for different applied voltages, no-load speeds and torque requirements. Outline drawings and CAD data are available for mechanical integration. Sample provision and customization support are offered for gearheads, lead pins, lead wires and grounding terminals to assist OEM integration.

Product Series - Key models (table) Model | Outer Diameter [mm] | Length [mm] | Applied Voltage [V] | Terminal resistance [Ω] | No-load speed [r/m] | No-load current [mA] | Startup current [mA] | Startup torque [mN･m] | Max 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

Technical specifications

• Series outer diameter: 12 mm (φ12)
• Multiple sub-models covering applied voltages from ~3 V up to 12 V and beyond depending on model
• Performance metrics provided per sub-model: no-load speed, no-load current, startup current, startup torque, maximum efficiency and output power
• Example extremes in the series: high-speed variants (e.g., A12B-24: 23,800 r/m at 4.5 V) and higher-voltage/higher-torque variants (e.g., A12B-36 at 12 V)
• Available deliverables for design: outline drawings, CAD data and specification tables
• Typical customization options for integration: gearheads, lead pins, lead wires and grounding terminals