Constar 32mm Brushless UAV Gimbals motor BO3216NB2B

Product catalog summary

Overview
This document provides the specifications for the CONSTAR Brushless DC Motor, model BO3216NB2B, designed for applications in UAV gimbals and handheld gimbals. It features an outer rotor and operates without sensors.

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

Technical Specifications

Voltage: 24.0 V
Terminal Resistance: 4.2 Ω
Terminal Inductance: 1.34 mH
No-load Speed: 6600 rpm
No-load Current: 0.1 A
Stall Torque: 189.5 mNm
Stall Current: 5.7 A
Nominal Torque: 41.6 mNm
Nominal Speed: 4520 rpm
Nominal Current: 1.4 A
Max. Output Power: 32.7 W
Max. Efficiency: 73%
Back-EMF Constant: 3.55 mV/rpm
Torque Constant: 34 mNm/A
Speed/Torque Gradient: 35 rpm/mNm
Rotor Inertia: 32 gcm²
Weight: 56 g
Thermal Resistance (Housing-Ambient): 3.8 K/W
Thermal Resistance (Winding-Housing): 4 K/W
Thermal Time Constant (Motor): 110 s
Thermal Time Constant (Winding): 6.9 s
Operating Temperature Range: -40 to +120°C
Thermal Class of Winding: 155°C
Axial Play: 0.08 mm
Radial Play: 0.006 mm
Axial Load Dynamic: 5 N
Axial Load Static: 80 N
Radial Load at 3 mm from Mounting Face: 29 N
No. of Pole Pairs: 7
Bearings: 2 ball bearings
Commutation: Sensorless
Protection Class: IP 20

Catalog excerpts

Constar 32mm Brushless UAV Gimbals motor BO3216NB2B-1

BO3216NB2B 外转子无传感器 Outer Rotor, Sensorless 应用领域 : 无人机云台、手持云台。 Applications: UAV gimbals and handheld gimbals. Terminal resistance No-load speed No-load current Stall torque Stall current Nominal current Nominal speed Nominal torque Terminal Inductance Back-EMF constant Torque constant Rotor inertia Speed/torque gradient 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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