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20×20×4mm Waterproof Small DC Blower Fan for Outdoor IoT Device
US$2.90
500-4,999 Pieces
US$2.30
5,000+ Pieces
Sample price:US$4.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Plastic-Iron-Copper-MagnetBlade Material
PBT 94ulvModel NO.
2004Type
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
Waterproof Design: 20x20x4mm DC blower fan designed for outdoor IoT devices with waterproof capabilities.
Multi-Scenario Use: Suitable for UAVs, notebooks, projectors, VR headsets, and industrial equipment.
Certified Quality: Meets RoHS, ISO, CE, and FCC standards with ISO9001:2015 management certification.
Full Customization: Offers full customization from samples or designs, including OEM and ODM services.
Quiet Operation: Features ultra-quiet operation with options for sleeve, hydraulic, or double-ball bearings.
Fast Delivery: Provides competitive prices and fast delivery with an average lead time of one month.
100% Inspection: Every finished product undergoes 100% visual and functional inspection before shipment.
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: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 for quieter operation.
Q:What is the difference between 3-pin and 4-pin connectors?
A:
3-pin uses DC voltage control for fixed speeds. 4-pin uses PWM for auto speed control, offering quieter and more precise operation.
Q:Why does the fan spin at 5V if labeled 12V?
A:
The motor has a wide tolerance range of 5V-13V. It might not start below ~7V but will spin at 5V.
Q:How do I determine the correct airflow direction?
A:
Look for arrows on the frame. Generally, front/side is intake (cool air in), and rear/top is exhaust (hot air out).
Q:What are the signs that a fan is failing?
A:
Listen for clicking or grinding noises, check if RPM is significantly lower than spec, or test if blades spin freely without 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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