FA-1020R Coreless Brushed DC Motor

The FA-1020R is a 1W miniature coreless brushed DC motor sized Φ10×20mm, equipped with precious metal brushes and iron-free coreless rotor for smooth operation in compact precision devices.

• Dimension: Φ10mm × Length20mm
• Rated Power: 1W
• Voltage Options:3.7V/6V/7.4V/12V
• Precious metal brush & sleeve bearing
• Optional gearbox and encoder customization

10×20mm 1W coreless brushed motor for precision miniature drive equipment

Mechanical Dimensions

FA-1020R Φ10×20mm coreless brushed DC motor mechanical outline drawing

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

Performance Parameters

Motor specifications 05A 06A 01A 08A
Nominal voltage  V 3.7 6.0 7.4 12.0
No load speed rpm 27000 15220 24500 30000
No load current mA 80 35 45 30
Nominal speed rpm 25380 12480 22907 28200
Nominal torque mNm 0.39 0.77 0.43 0.51
Nominal current A 0.37 0.23 0.19 0.16
Stall torque mNm 6.3 4.3 4.1 8.6
Stall current A 4.93 1.14 2.2 2.24
Terminal resistance Ω 0.75 5.27 3.25 5.35
Torque constant mNm/A 1.28 3.68 2.82 3.4
Speed constant rpm/V 7297 2538 3310 2500
Mechanical time constant ms 5.0 5.8 5.6 6.3
Rotor inertia gcm² 0.167 0.163 0.161 0.166

Optical Gearbox

N/A

Optional encoder

N/A

Other Specifications

Other specifications
Operating temperature range -20…+80℃ Bearing type Sleeve bearings
Number of pole pairs 1 Brush type Precious metal brushes
Number of phases 5 Weight of motor 6.75g

Engineering Overview

Designed with iron-free coreless rotor and 5-piece commutator matched with precious metal brushes, FA-1020R eliminates cogging torque to deliver low-noise, smooth running performance. It supports optional gearbox and encoder assembly to satisfy varied precision drive requirements.

Typical Applications:
• Portable precision medical instruments
• Mini cosmetic handheld equipment
• Micro precision pumps
• Small laboratory testing devices

Need technical support and custom parameter matching?

FA-1020R has four standard voltage versions, we can adjust winding parameters, match gearbox or encoder to fit your miniature precision drive design demands.