BF3211N2B

6.0v Flat Brushless Motor
Diameter: 32mm; Length: 11.2mm; Voltage: 6.0V; Max output power: 7.6W; Speed: 707rpm; Commutation structure: sensorless.

Application : Medical, precision instruments, etc.
Customizable : Specifications, wire length, shaft length, performance, bearings, gearbox, encoder, driver

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Parameter Outline Drawing Characteristic Curve Download

Characteristics	UNIT	03-145-6.0	02-145-12.0	04-145-24.0
Voltage	V	6.0	12.0	24.0
Terminal resistance	Ω	1	4.2	16.8
No-load speed	rpm	14300	14500	14500
No-load current	mA	300	150	75
Stall torque	mNm	20.3	20.2	20.3
Stall current	mA	5680	2850	1430
Nominal torque	mNm	7.8	7.8	7.8
Nominal speed	rpm	6180	6300	6300
Nominal current	mA	2435	1220	610
Max.output power	W	7.6	7.7	7.7
Max.efficiency	%	59	59	59
Back-EMF constant	mV/rpm	0.4	0.78	1.5
Torque constant	mNm/A	3.7	7.4	14.9
KV Value	rpm/V	2390	1208	604
Speed/torque gradient	rpm/mNm	707	715	715
Rotor inertia	gcm2	12.3	12.3	12.3
Weight	g	28	28	28

名称	单位	03-145-6.0
热阻(机壳-环境)	K/W	21
热阻(线圈-机壳)	K/W	11.2
热时常数(电机)	s	240
热时常数(线圈)	s	10
工作温度范围	°C	-20～+85
绕组耐温等级	°C	130
轴向间隙	mm	0.02~0.15
径向间隙	mm	0.014
动态轴向载荷	N	2
静态轴向载荷	N	60
径向载荷（距安装面3mm)	N	2
极对数		1
含油轴承		2
换向结构		5
防护等级		IP40