Payment & Shipping Terms:
|Voltage:||3.3V-5V||Bearing Type:||Axially Grooved Bearing|
|Speed:||8000rpm||Max Air Flow:||0.63CFM|
high speed cooling fan,
dc ventilation fan
3.3V - 5V DC Micro Laptop Fan 30 x 30 x 4mm / 3D printer DC Axial Cooling Fan
Brushless axial dc fan 30 x 30 x 4mm, low noise and long life expectancy, are widely used in the computer information technology, network communications, as well as industrial production equipment, medical equipment, home appliances, etc.
Description About Our Company :
Shenzhen Topfan Technology Development Co ., Ltd is a medium - sized enterprise which integrates production , research , development and sales . It has 3000 flat plant and professional design and production team . At present , the company has production development department , Q & C department ,R & D department , the domestic sales department and overseas sales department .
1. ELECTRICAL :
Standard operating condition is 25℃, 65%RH ambient, unless otherwise specified.
|1||Rated Voltage||5.0 VDC||DC power supply|
|2||Rated Current||0.06A±10%||DC power supply at Rated Voltage|
|4||Rated Power||0.25 W||At Rated Voltage.|
|5||Starting Voltage||3.3 VDC||DC power supply|
|6||Operating Voltage Range||3.3 – 5.5 VDC||DC power supply|
|7||Speed||8000 RPM ±15%||
Measured at 5 minutes
after starting under 25±5℃, 65±5%RH ambient
|8||Acoustical Noise||27.5 DBA ±4 DBA||Measured at typical speed with an acoustic microphone 1 meter away from the fan intake in a test chamber with background noise level below 18dB(A)|
|9||Static Pressure||3.61 mmH2O||
Refer to PERFORMANCE CHART ITEM 9 at zero airflow.
|10||Air Flow||0. 63 CFM||
Refer to PERFORMANCE CHART ITEM 9 at zero static Pressure.
|11||Direction of rotation||Counter-anticlockwise||DC power supply, viewed from impeller.|
|Dimensions||L * W * H =30*30*4.5mm|
|Standard operating temperature range||-10 ℃ ~ 85 ℃|
|Standard storage temperature||20 ℃ ~ 45℃|
|Bearing system||HYDRAULIC Bearing|
3.EXPECTED LIFE SPAN (MTBF)
At a standard operating condition of 10±5℃, 80±5%RH ambient
HYDRAULIC Bearing:20000 hrs , Continuous operating under 45℃ 65%RH
HYDRAULIC Bearing:10000 hrs , Intermittent operating under 85℃ 65%RH
|1||Locked Rotor Test||Flameproof and damage free||Rotor locked for 72 hrs with Rated Voltage|
|2||Reverse Voltage Test Protection||Yes||Reverse with Rated Voltage|
|3||Balance Test||No protruding beyond the circle within 10 seconds||
The fan runs in a circle, scaled by
fan radius plus 10mm
|4||Drop Test||All specified characteristics remain unchanged||Drop D.U.T.(The standard packing) from the test machine at 76cm below. Individual one angle,|
|5||Vibration Test||All specified characteristics remain unchanged||
Ambient temp.:25 ºC±5 ºC with Rated Voltage
Sweeping period:1 min
|6||High/Low Temperature Cycling||All specified characteristics remain unchanged||
20 minutes slew rate +85 ºC (1 hr)
,–10 ºC (1 hr)
Total:36 cycles with Rated Voltage
|7||Low Temp. Storage||All specified characteristics remain unchanged||Tested under standard condition ；after 500hrs, 20 ºC storage, without power supply.|
|8||High Temp. Storage||All specified characteristics remain unchanged||Tested under standard condition ；after 500hrs,45ºC storage, without power supply.|
|9||Dielectric Strength||Max 1mA of leakage Current||
Input 500V(AC) for 1 sec
between lead (+/-) and housing
5. ASSEMBLY DIAGRAM
1. LEAD WIRE UL 1571 28AWG
RED WIRE --------- ( + )
BLACK WIRE --------- (—)
BLUE WIRE --------- (FG)
2. Cable: 300mm
6. Performance curvers:
Q1. Are you factory?
A1. Yes.welcome to visit our factory.
Q2. All products have a warranty?
All kinds of products at least 1 year warranty.
Q3. Can we design packaging?
A3. Yes.Default is regular packing,we can make customer's own packing.
Q4. Can we add our logo on products?
Q5. How to control the quanlity of products in your company.
A5: 100% total testing before each of fan leaves our factory.
Q6. can we customize product?
A6. Yes, OEM&ODM.
Any more information , please feel free to contact Helen --→
We will reply you within 2 hours . Thanks
Skype : helen860615
QQ : 304994675
Tel : 86 755 26070926
Contact Person: Helen Dong