Brushless motor TB16S

DC24 Vultra-compact

Overview
Thumbelina® is a brushless DC motor that delivers high torque and strong holding force even when unpowered, helping to reduce power consumption. Its ultra-compact design enables installation in confined spaces such as robotic hands. Reducer-equipped options are also available.

Product lineup
Brushless DC motor TB12M

• Size: φ12 x 27mm
• Mass: 18.5 g
• Rated voltage: 12V/24V
• Stall (holding) torque: 18–25 mNm
• Maximum output: 5–10 W

Brushless DC motor TB16M (under development)

• Size: φ16 x 36mm
• Mass: 42 g
• Rated voltage: 24V
• Stall (holding) torque: 77 mNm
• Maximum output: 11 W

Brushless DC motor TB16S (under development)

• Size: φ16 x 23mm
• Mass: 26 g
• Rated voltage: 24V
• Stall (holding) torque: 42 mNm
• Maximum output: 11 W

Optional series (with reducers)
Harmonic Drive® reducer (small)

• Size: □13 x 46.3mm
• Gear ratios: A: 1/30, B: 1/50, C: 1/100
• Supply voltage: 12V/24V
• Allowable torque: A: 0.06 Nm, B: 0.11 Nm, C: 0.15 Nm

Harmonic Drive® reducer (large)

• Size: □20 x 50.6mm
• Gear ratios: D: 1/30, E: 1/50, F: 1/100
• Supply voltage: 12V/24V
• Allowable torque: A: 0.25 Nm, B: 0.4 Nm, C: 0.6 Nm

Planetary gear reducer

• Size: G: □13 x 54.7mm, H: □13 x 58.2mm, J/K: □13 x 61.7mm, L: □13 x 65.2mm
• Gear ratios: G: 1/4, H: 1/16, J: 1/48, K: 1/64, L: 1/256
• Supply voltage: 12V/24V
• Allowable torque: G: 0.15 Nm, H: 0.2 Nm, J: 0.25 Nm, K: 0.25 Nm, L: 0.28 Nm

CROWNROBOX GEAR®

• Size: □13 x 59mm
• Gear ratio: 1/50
• Supply voltage: 24V
• Allowable torque: 0.3 Nm

Features / Technical specifications

• High torque with strong holding force even when unpowered
• Brushless DC design contributes to reduced power consumption
• Ultra-compact dimensions allow installation in confined spaces such as robotic hands
• Supported voltages: 12V / 24V (depending on model)
• Example motor sizes: φ12 x 27mm (TB12M), φ16 x 36mm (TB16M), φ16 x 23mm (TB16S)
• Example stall torques: 18–25 mNm (TB12M), 42 mNm (TB16S), 77 mNm (TB16M)
• Example maximum outputs: 5–10 W (TB12M), 11 W (TB16M/TB16S)
• Multiple reducer options available (Harmonic Drive, planetary gears, CROWNROBOX)