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40*40*5mm High Air Flow Brushless Cooling Centrifugal DC Blower
US$2.20-2.50
1 Piece
Sample price:US$3.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Aluminum FanBlade Material
PBT 94ulvModel NO.
4005 DC BlowerType
DC Blower FanElectric Current Type
DCMounting
Free StandingCertification
RoHS, ISO, CETransport Package
Paper BoxSpecification
40*40*5mmOrigin
ChinaProduction Capacity
100000 Pieces/YearKey features
Wide Voltage Tolerance: Operates reliably within a 5V to 13V range for versatile power compatibility.
High Air Flow Design: 40x40x5mm centrifugal blower optimized for efficient cooling performance.
Durable Bearing Options: Choose from sleeve, hydraulic, or double-ball bearings for varied lifespans.
Professional Customization: Full customization available from samples, designs, or OEM/ODM services.
Multi-Industry Application: Suitable for automotive, medical, communication, and industrial control equipment.
International Certifications: Products certified with RoHS, CE, FCC, and ISO9001 quality assurance.
Flexible Pin Configuration: Supports 3-pin DC control and 4-pin PWM for precise speed adjustment.
Stable Quality Control: 100% visual and functional inspection ensures long-term durability.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.42h
AI-Powered supplier vetting
SummaryThe supplier demonstrates strong customization, R&D, OEM/ODM, quality-control, and complaint-handling capabilities. It reports new products within the past year, provides customization from samples and designs through full customization, and serves known brands through OEM. Production includes two lines, inventory capability, defined inspection procedures, and four QA/QC inspectors. However, important operational limitations exist: no available SDK, no overseas agents, branches, warehouse, or showroom, no offline trade-show participation, and only one experienced export-trade employee. Manufacturing controls also show gaps, including no ongoing quantity reconciliation for each batch and no standard operating procedure for outsourced manufacturing. Financial evidence is represented only by years rather than substantive indicators, so credibility cannot be determined. The supplier holds an ISO9001:2015 certificate, but the available information does not establish broader certification coverage.
Supplier typeThe supplier operates as a manufacturer with two production lines, provides OEM and ODM services, offers inventory capability, and accepts FOB and EXW quotations. It also provides full customization, but lacks overseas agents, branches, warehouses, and showrooms.
CertificationsThe supplier reports an ISO9001:2015 certificate. No additional specific certifications are identified in the provided information.
After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, supporting an established service-response process. However, it has no overseas agents, branches, warehouse, or showroom, which limits demonstrated overseas service infrastructure.
R&D capabilityThe supplier reports new products in the past year, provides ODM services, and assigns R&D personnel to product development, design drawings, production support, and specifications. Nevertheless, it has no available SDK and no design input, output, review, validation, or confirmation documents available for audit.
Production capacityProduction evidence includes two production lines, inventory capability, one-month average lead times in both peak and off-season periods, four QA/QC inspectors, written finished-product inspection instructions, and multiple listed production machines. Controls are weakened by the absence of ongoing batch quantity reconciliation and a standard operating procedure for outsourced manufacturing.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, with the same capability reported under both R&D and design services. This directly demonstrates broad customization coverage.
Product Q&A
Q:What is the voltage tolerance range?
A:
Most motors run between 5V and 13V, though they may not start below approximately 7V.
Q:How do I reduce fan noise?
A:
Use rubber grommets, lower RPM via BIOS, or use a low-noise adapter to drop voltage.
Q:What is the difference between 3-pin and 4-pin fans?
A:
3-pin uses DC voltage control, while 4-pin uses PWM for automatic, precise, and quieter speed variation.
Q:Which bearing type lasts the longest?
A:
Double-ball bearings last 5-10 years and tolerate 24/7 operation, compared to 2-5 years for sleeve or hydraulic types.
Q:How can I tell if a fan is failing?
A:
Listen for clicking or grinding, check for low RPM via software, or manually spin the blade to check for wobble.
Send Inquiry
*To:
Fengxia Motor (Shanghai) Co., Ltd.
Fengxia Motor (Shanghai) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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