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Risun Expanse Corp.

DC Blower, DC Brushless Atomic Blower Supplier

Since 1999, Risun Expanse Corp. has been a leading provider of personalized DC blower direct to the consumer. Our work is dedicated to the creation of progress with inspiring, innovative solutions and to a trusting partnership towards our customers and partners with common benefits. With many years of experience, we have the core technical knowledge for DC blower to satisfy our customers' demands.
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RFB2004,Micro Blower

RFB2004

Micro Blower

I'm interested
Risun is a professional manufacturer having capabilities of brushless atomic blowers design and pass production with the state of the art in micro blower production technology.

As a professional micro thermal solution supplier, we can also offer tailor-made service. OEM / ODM partners for cooperation are earnest welcome.
  • Extra mini and slim DC Brushless Atomic Blower is extremely suitable for portable Electronic devices use.
  • High efficiency and low power
  • High airflow and low noise
  • Self-lubricative bearing used for a long service life
Application :

DC Brushless Atomic Blower provides a premium electronic cooling solution for video processing chipset, high-speed memory module, high-end smart phone, PDA , CCTV, mini projector, MID, Smartbook and so on; and is also applicable to defrosting and ventilation of goggles or sunglasses, and fuel delivery of small fuel cell.

Size :



Dimensions and Specifications are subject to change without notice, please refer to the actual product.

Specification :

Model Number RFB2004
Product Name Micro Blower
Rated Voltage (VDC) 3.3 5.0
Operating Voltage (VDC) 2.5 ~ 3.6 4.5 ~ 5.5
Rated Current (mA) 37 (max:44) 57 (max:68)
Rotation Speed (RPM) 10,000 ± 20% 13,000 ± 20%
Air Flow (CFM) 0.32 0.45
Static Pressure (mmAq) 4.43 8.23
Noise (dB(A)) at 1m 17.5 21.5
Insulation Resistance 10MEGA. Ω Min. at 500VDC
(between frame and (+) terminal)
Dielectric Strength 5mA Max. at 500VAC、60Hz、One Minute
(between frame and (+) terminal)
Life Expectancy (hours) 20,000 at 45℃
Compliance CE, RoHS
IP Rating IP58
Weight (g) 2.1
Protection Lock rotor, Auto Restart, Polarity
  • Specifications subject to changes without notice.
  • Operating Temperature：-10℃ ~ +60℃
  • Storage Temperature：-20℃ ~ +70℃

P-Q Curve :

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