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Industrial DC Blower Fan 3.3V-5V Axially Grooved Bearing 8500rpm Speed Long Lifespan

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[China]

Address: 23A2, Suhao Building, Nanxin Road, Nanshan District, Shenzhen, China

Contact name:Du

Shenzhen Topfan Technology Development Co., Ltd.

Industrial DC Blower Fan 3.3V-5V Axially Grooved Bearing 8500rpm Speed Long Lifespan

Country/Region	china
City & Province	shenzhen guangdong

Product Details

DC Micro Blower Fan 30 x 30 x 4mm / 3D printer Cooling Fan /Mini DC Brushless Fan

DC Micro Blower Fan 30 x 30 x 4mm , low noise and long life expectancy, 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 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.

	Item	Specification	Test Condition
1	Rated Voltage	3.3V-5.0 VDC	DC power supply
2	Rated Current	0.075A±10%	DC power supply at Rated Voltage
4	Rated Power	0.37 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	8500 RPM ±15%	Measured at 5 minutes after starting under 25±5℃, 65±5%RH ambient
8	Acoustical Noise	36 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	5.23 mmAq	Refer to PERFORMANCE CHART ITEM 9 at zero airflow.
10	Air Flow	0. 89 CFM	Refer to PERFORMANCE CHART ITEM 9 at zero static Pressure.
11	Direction of rotation	Counter-anticlockwise	DC power supply, viewed from impeller.
12	Noise test

2 .MECHANICAL

Dimensions	L * W * H =30304.5mm
Weight	17 grams
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

4. RELIABILITY

	Item	Specification	Test Condition
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 Amplitude:0.4-2.5 mm Acceleration:14.7 S/m² Frequency:10HZ-60HZ Sweeping period:1 min 10HZ-60HZ:30 seconds 60HZ-10HZ:30 seconds Total:10 cycles
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