High Speed 50000rpm Brush DC Micro Coreless Driving Spindle Motor

Basic Info

Model NO.	8F8523
Certification	ISO9001
Diameter	8.5mm
Length of Motor Body	23mm
Transport Package	Standard Export Carton
Specification	8.5mm x L23
Trademark	CHUNGFO
Origin	China
HS Code	8501109990
Production Capacity	4 Million PCS/Month

Product Description

8F Series φ8.5mm x L23 Precious Metal Brushes

Motor Paramter								Motor Model
Values at nominal voltage								8F1NA-011331	8F2-009341
		1	Rated voltage				V	3.0	3.4
Free Load		2	No load speed				rpm	33155	48644
		3	No load current				mA	112	263
At Max. Efficiency		4	Max. efficiency				%	75.20%	69.05%
		5	Speed				rpm	29263	41589
		6	Current				mA	839	1552
		7	Torque				g.cm	6.3	8.54
At Max. Output		8	Max. output				W	4.57	7.35
		9	Speed				rpm	16578	24322
		10	Current				mA	3210	4706
		11	Torque				g.cm	26.85	29.43
At Stall		12	Stall current				A	6.3	9.15
		13	Stall torque				g.cm	53.69	58.36
Motor Constants
		14	Teminal resistance				Ω	0.26	0.19
		15	Torque constant				g.cm/A	8.664	6.624
		16	Speed constant				rpm/V	11252	14733
		17	Speed/Torque constant				rpm/g.cm	617.5	826.5

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				46000		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				7.4
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