FA-DH13-24V Brushless Coreless Motor

High efficiency  Compact brushless coreless motor FA-DH13-24V (4W , 24V , diameter: 13mm, length: 40mm) designed for precision dental drive systems, especially endodontic and lightweight handheld devices.

Can be configured with encoder for closed-loop control if required.

13mm brushless coreless motor for dental handpiece FA-DH13-24V

Mechanical Dimensions

FA-DH13-24V motor dimensional drawing

Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.

Performance Parameters

Motor specifications 01A 03A 04A 02A
Nominal voltage  V 6 6 12 24
No load speed rpm 12500 10000 15000 24500
No load current mA 140 100 110 110
Nominal speed rpm 10800 8700 13000 21000
Nominal torque mNm 2.48 2.39 2.74 4.75
Nominal current A 0.65 0.5 0.45 0.6
Stall torque mNm 19.1 18.4 21.1 36.6
Stall current A 4.17 3.21 2.76 3.91
Terminal resistance Ω 1.44 1.87 4.35 6.14
Torque constant mNm/A 4.49 5.61 7.48 9.16
Speed constant rpm/V 2083 1666 1250 1020
Mechanical time constant ms 1.66 1.38 1.8 1.7
Rotor inertia gcm² 0.25 0.25 0.25 0.25

Optical Gearbox

Optional gearbox
G13MF
G13XL

Optional encoder

N/O

Other Specifications

Other specifications
Operating temperature range -20…+80℃ Bearing type Ball bearings
Number of pole pairs 1 Weight of motor 25.2g
Number of phases 3

Engineering Overview

This motor is optimized for compact dental drive systems where space, precision and smooth operation are critical.

The coreless structure ensures stable low-speed performance, which is essential for endodontic applications.

Compared with traditional brushed motors, it offers longer service life, lower maintenance and more consistent control perfromance.

Its small diameter allows flexible integration into lightweight handheld devices without compromising torque output.

Typical  Applications

  • endodontic motor systems
  • lightweight dental handheld devices
  • precision low-speed control applications.

Need help selecting a motor for your device?

Our engineering team can assist with motor sizing, speed matching, and integration into dental and handheld equipment.