Ø28 x 45mm / with dual shafts / with sensors


Key Features

Model No.   mm 728-401
Diameter (mm)   mm 28
Length (mm)   mm 45
Voltage (V)   mm 12
No-load Current (A)   mm 0.26
No-load Speed (rpm)   mm 13250
Stall Torque (mNm)   mm 99.81
Stall Current (A)   mm 11.54
Nominal Torque (mNm)   mm 19.60
Nominal Speed (rpm)   mm 10650
Nominal Current (A)   mm 2.27
Sample Available   Yes

Performance characteristics

Nominal voltage V 12
No load speed rpm 13 250
No load current A 0.26
Nominal speed rpm 10 650
Nominal torque mNm 19.60
Nominal current A 2.27
Stall torque mNm 99.81
Stall current A 11.54
Maximum efficiency % 78.20

Design and accessories

Availability Stocked design
Motor Type Brushless
Commutation Digital hall
Shafts Dual
Encoder Not fitted
Gearbox Not fitted
Connections 8-pinned JST PHR-8
Cable 100mm x AWG28
Housing Material Aluminium alloy
Body diameter mm 28
Body length mm 45
Weight g 120.0

Motor body characteristics

Thermal resistance housing-ambient °C/W 9.6
Thermal resistance winding-housing °C/W 6.3
Thermal resistance winding-housing s 37
Thermal time constant motor s 584
Ambient temperature min °C -30
max °C +100
Max. permissable winding temperature °C +150
Max. permissable rotor speed rpm 25 000
Axial play at axial load < 0.8N mm 0.0
< 0.8N mm 0.3 max
Radial play Preloaded
Max. axial load (dynamic) N 7.5
Max. force for press fits (static) N 100.0
with shaft supported N 2 000
Max. radial loading (5mm from flange) N 25.0
Number of pole pairs 1
Number of winding phases 3

Winding specific characteristics

Terminal resistance Ω 1.04
Terminal inductance mH 0.08
Torque constant (Kt) mNm/A 8.65
Speed constant (Kv) rpm/V 1 130
Speed / torque gradient rpm/mNm 133
Mechanical time constant ms 4.5
Rotor inertia mNm² 0.520

Operating range (based on on ambient 25°C)

Sample request

We aim to get you up and prototyping as quickly as possible. We stock off-the-shelf samples for each motor size, to support commercial development.

Our application engineers can advise on motor design and selection, mechanism design, and support the development of high performance motor drivers. They can also assist to validate the in-application performance and longevity suitability of a down-selected motor or mechanism design.

Contact our application engineering team to discuss your project, using the form, or email [email protected].

Related products

Export Data
Product Image Product name Diameter (mm) Length (mm) Voltage (V) No-load Current (A) No-load Speed (rpm) Stall Torque (mNm) Stall Current (A) Nominal Torque (mNm) Nominal Speed (rpm) Nominal Current (A)
728-800 Image 728-800
Download Datasheet
28 45 24 0.17 13250 177.58 10.76 22.11 11970 -0.66 Enquire
728-C00 Image 728-C00
Download Datasheet
28 45 36 0.12 13710 186.03 7.53 21.52 12100 0.87 Enquire

Technical Documents