Brushless motor TB16M

DCBLDC12 V

Product overview
Thumbelina® is a brushless DC motor series designed for ultra-compact installations where high holding torque even when unpowered and reduced power consumption are required. Models suit confined spaces such as robot hands and small precision units. Optional versions with integrated gearheads are available for varied application requirements.

Brushless DC motor TB12M

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

Brushless DC motor TB16M (under development)

• Size: φ16 x 36 mm
• Mass: 42 g
• Rated voltage: 24 V
• Holding torque (stopped): 77 mNm
• Max output: 11 W

Brushless DC motor TB16S (under development)

• Size: φ16 x 23 mm
• Mass: 26 g
• Rated voltage: 24 V
• Holding torque (stopped): 42 mNm
• Max output: 11 W

Options with gearheads
Optional variants of Thumbelina® include compact gearheads matched to the ultra-compact motor body for applications requiring higher torque or reduced speed.

Harmonic Drive® gearhead (small)

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

Harmonic Drive® gearhead (medium)

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

Planetary gearhead

• Size: G: □13 x 54.7 mm; H: □13 x 58.2 mm; J/K: □13 x 61.7 mm; L: □13 x 65.2 mm
• Gear ratios: G: 1/4, H: 1/16, J: 1/48, K: 1/64, L: 1/256
• Supply voltage: 12 V / 24 V
• 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 59 mm
• Gear ratio: 1/50
• Supply voltage: 24 V
• Allowable torque: 0.3 Nm

Characteristics / Technical specifications

• Series name: Thumbelina®
• Representative models: TB12M, TB16M (under development), TB16S (under development)
• TB12M — Size φ12 x 27 mm, Mass 18.5 g, Rated voltage 12 V / 24 V, Holding torque 18–25 mNm, Max output 5–10 W
• TB16M — Size φ16 x 36 mm, Mass 42 g, Rated voltage 24 V, Holding torque 77 mNm, Max output 11 W
• TB16S — Size φ16 x 23 mm, Mass 26 g, Rated voltage 24 V, Holding torque 42 mNm, Max output 11 W
• Optional gearheads (Harmonic Drive®, planetary, CROWNROBOX GEAR®) available in multiple gear ratios and allowable torques
• Main applications: robot hands, small precision units and other confined-space installations