high air flow micro dc axial cooler fan 18x18x4mm 

Applications:

Topfan’s fan products are utilized by all type of machines which required heat reduction systems,
such as UPS systems; Telecommunication equipments; Ventilating systems; LED Digital signage; Disports/exercise equipments; Medical instruments.

 
 Description:
 
1. Brushless DC Fan, Axial DC Fan, DC Motor Fan, Cheap Fan, Portable Fan, CPU Fan, Computer case fan, laptop fan, PWM Fan, FG cooling fan, LED Digital signage
2. Various Size
3. High speed , Middle speed, Low speed
4. 5V DC 3.3V DC
5. Axially-grooved Bearing
6. Terminal or Lead wire
7. Waterproof explosion proof or high proof are can be satisfied. 

A: Specifications:

Bearing Type-------------Axially-grooved Bearing 
Frame and Impeller--------L.C.P.(UL94V-0),IP57
Voltage-----------------DC 3.3V  5.0V 
Temperature range-------- -10℃ to +80℃
Expected Life------------ 20000 hours
Insulation Resistance------10MEGA.Ω Min. at 500VDC(between frame and (+) terminal) 
Dielectric Strength--------5mA Max. at 500VAC,60Hz,One Minute(between frame and (+) terminal)