High Performance Driving Drone Micro Brush DC Vibration Coreless Motor

Basic Info

Model NO.	8D820
Certification	ISO9001
Diameter	8mm
Length of Motor Body	20mm
Transport Package	Standard Export Carton
Specification	8mm x L20
Trademark	CHUNGFO
Origin	China
HS Code	8501109990
Production Capacity	4 Million PCS/Month

Product Description

8D Series φ8mm x L20 Precious Metal Brushes

Motor Paramter								Motor Model
Values at nominal voltage								8D1NA-010011	8D1NA-011112	8D1NA-011011
		1	Rated voltage				V	3.0	3.0	3.0
Free Load		2	No load speed				rpm	45600	42300	42900
		3	No load current				mA	153	136	135
At Max. Efficiency		4	Max. efficiency				%	67.00%	68.00%	68.00%
		5	Speed				rpm	38000	35900	36600
		6	Current				mA	841	770	783
		7	Torque				g.cm	4.26	4.26	4.28
At Max. Output		8	Max. output				W	3.24	3.07	3.22
		9	Speed				rpm	22800	21100	21400
		10	Current				mA	2389	2247	2342
		11	Torque				g.cm	13.85	14.17	14.59
At Stall		12	Stall current				A	4624	4358	4550
		13	Stall torque				g.cm	27.7	28.33	29.18
Motor Constants
		14	Teminal resistance				Ω	0.65	0.69	0.66
		15	Torque constant				g.cm/A	6.194	6.711	6.609
		16	Speed constant				rpm/V	15738	14543	14754
		17	Speed/Torque constant				rpm/g.cm	1648	1491	1472

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				4800		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				4.3		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