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75X75X20mm Waterproof Dustproof DC Blower Fan for Ventilation System
US$2.50
500-4,999 Pieces
US$1.90
5,000+ Pieces
Sample price:US$4.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Plastic-Iron-Copper-MagnetBlade Material
PBT 94ulvModel NO.
7520Type
DC Blower FanElectric Current Type
DCMounting
Free StandingCertification
RoHS, ISO, CEInsulation Resistance
10mωor Over with at DC250V MeggerIelectric Withstand Voltage
AC500V1sAmbient Temperature
-10℃~+70℃(Operating) -40℃~+70℃(Storage)Expected Life
+40° ,30000 HoursTransport Package
Paper BoxSpecification
CustomizedTrademark
FUNSHAREOrigin
ChinaProduction Capacity
100000 Pieces/YearKey features
Wide Voltage Tolerance: Operates stably within 5V-13V range, ensuring compatibility with various power sources.
Multiple Bearing Options: Available in sleeve, hydraulic, and double-ball bearings for different lifespan and noise needs.
Full Customization Service: Supports OEM/ODM, full customization from samples or designs to meet specific requirements.
High Durability & Long Life: Double-ball bearings last 5-10 years; designed for 24/7 operation in harsh environments.
Ultra-Quiet Operation: Optimized for low noise with PWM control and hydraulic bearing options for silent performance.
RoHS, CE, ISO Certified: Meets international quality and safety standards including ISO9001, FCC, CE, and ROHS.
Versatile Application: Suitable for notebooks, UAVs, medical devices, and industrial ventilation systems.
Fast Delivery & Support: Competitive pricing with fast delivery and professional technical guidance for integration.
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: ≤3.13h
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 operating voltage range?
A:
The fan supports a wide voltage tolerance of 5V to 13V, though it may not start below approximately 7V.
Q:How do I choose between 3-pin and 4-pin connectors?
A:
3-pin uses DC voltage control for fixed speeds, while 4-pin uses PWM for automatic, precise, and quieter speed control.
Q:What are the differences in bearing types and lifespan?
A:
Sleeve bearings last 2-3 years; hydraulic bearings last 4-5 years and are quieter; double-ball bearings last 5-10 years and tolerate 24/7 use.
Q:How can I reduce fan noise?
A:
Use rubber grommets instead of screws, lower RPM via BIOS, use a low-noise adapter, or choose hydraulic bearings.
Q:Which direction should the fan face for intake or exhaust?
A:
Follow the arrows on the frame: intake arrows point to cool air in (front/side), exhaust arrows point to hot air out (rear/top).
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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