Constar 15mm 6V Outer Rotor Brushless DC Motor BO1511N2B

Product catalog summary

Overview: This document provides the specifications for the CONSTAR Brushless DC Motor, specifically the BO1511N2B model, which is an outer rotor, sensorless motor. It is designed for applications such as UAVs and aeromodelling.

Options: The motor offers customizable options including lead wire length, shaft length, special coils, gearheads, bearing type, encoder, and driver.

Main Technical Specifications:

Voltage: 7.4V and 6.0V options
Terminal Resistance: 0.45Ω and 0.31Ω
No-load Speed: 35000 rpm
No-load Current: 0.4A and 0.5A
Stall Torque: 31.6 mNm and 30 mNm
Stall Current: 16.4A and 19.4A
Nominal Torque: 4.0 mNm
Nominal Speed: 25100 rpm and 25000 rpm
Nominal Current: 2.1A and 2.6A
Max. Output Power: 29W and 28W
Max. Efficiency: 71.2% and 70.4%
Back-EMF Constant: 0.21 mV/rpm and 0.17 mV/rpm
Torque Constant: 1.97 mNm/A and 1.60 mNm/A
KV Value: 4730 rpm/V and 5833 rpm/V
Speed/Torque Gradient: 1107 rpm/mNm and 1164 rpm/mNm
Rotor Inertia: 1.1 gcm²
Weight: 5.8g
Thermal Resistance: Housing-ambient: 10 K/W, Winding-housing: 8.7 K/W
Thermal Time Constant: Motor: 110s, Winding: 71s
Operating Temperature Range: -40°C to +120°C
Thermal Class of Winding: 180°C
Axial Play: 0.012 mm
Radial Play: 0.008 mm
Axial Load: Dynamic: 1N, Static: 25N
Radial Load: 6.3N at 3mm from mounting face
No. of Pole Pairs: 6
Bearings: 2 ball bearings
Commutation: Sensorless
Protection Class: IP 20

Catalog excerpts

Constar 15mm 6V Outer Rotor Brushless DC Motor BO1511N2B-1

BO1511N2B 外转子无传感器 Outer Rotor, Sensorless 应用领域 : 无人机、航模等驱动领域。 Terminal resistance No-load speed No-load current Stall torque Stall current Nominal torque Nominal speed Nominal current Back-EMF constant Torque constant 最大输出功率最大效率 Speed/torque gradient Rotor inertia Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant motor Thermal time constant winding Operating temperature range Thermal class of winding Radial play Axial play Axial load dynamic Axial load static Radial load at 3 mm from mounting face

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