Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots

Product Description

 

7B Series  φ7mm x L20   Precious Metal Brushes  

Motor Paramter								Motor Model
Values at nominal voltage								7B1NA- 013021	7B2NA- 024091
		1	Rated voltage				V	3.0	3.7
Free Load		2	No load speed				rpm	31730	42870
		3	No load current				mA	28	104
At Max. Efficiency		4	Max. efficiency				%	78.61%	72.72%
		5	Speed				rpm	28499	37351
		6	Current				mA	249	701
		7	Torque				g.cm	2.48	3.99
At Max. Output		8	Max. output				W	1.98	3.41
		9	Speed				rpm	15865	21435
		10	Current				mA	1115	2424
		11	Torque				g.cm	12.19	15.5
At Stall		12	Stall current				A	2.2	4.7
		13	Stall torque				g.cm	24.38	31
Motor Constants
		14	Teminal resistance				Ω	1.5	0.55
		15	Torque constant				g.cm/A	11.217	6.678
		16	Speed  constant				rpm/V	8687	1461.3
		17	Speed/Torque constant				rpm/g.cm	1301.5	1383.1

Motor Characteristic								Typical Performance
Thermal parameters
18	Ambient temperature				-20~+65		ºC
19	Max. permissible winding temperature				85		ºC
Mechanical parameters
20	Max. penmissible No-load speed				60000		rpm
21	Max. axial load(dynamic)				0.15		N
Other parameters
22	Number of pole pairs				1
23	Number of commutator segments				3~5
24	Weight				3.2		g
Remarks
1	Rotation direction, wire specification and performance parameters can be
	made according to customer's requirement.
2	Motor can be mounted with various shapes and sizes of eccentric weight which
	is made of iron, brass or ferro-alloy to become vibration motor.
3	Dimension with "*" in the drawing can be adjusted according to customer's requirement.
1g=0.035oz    1inch=25.4mm    1g.cm=0.098mN.m     1oz=28.35g     1mm=0.0394inch     1mN.m=10.2g.cm

Company & Factory

Appliance