DC 5020 50mm Waterproof Brushless Cooling Centrifugal Blower

Name: DC 5020 50mm Waterproof Brushless Cooling Centrifugal Blower
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2243877945

Shanghai, ChinaFengxia Motor (Shanghai) Co., Ltd.

US$0.95-1.45

500 Pieces

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

PBT 94ulv

Model NO.

5020A (Large-Bore) DC Blower

Type

DC Blower Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Transport Package

Paper Box

Specification

50*50*20mm

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Waterproof Design: DC 50mm centrifugal blower with waterproof protection for reliable operation.

Brushless Technology: Utilizes advanced brushless motor technology for high efficiency and durability.

Customization Available: Offers full customization from samples, designs, or specific requirements.

Multiple Certifications: Passed RoHS, ISO, CE, and FCC certifications for international standards.

Durable Materials: Constructed with aluminum fan housing and PBT 94ulv blade material.

ISO9001 Certified: Manufacturing process adheres to ISO9001:2015 quality assurance system.

OEM & ODM Service: Provides both OEM and ODM services for tailored product solutions.

100% Inspection: All finished products undergo 100% visual and functional inspection.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Fengxia Motor (Shanghai) Co., Ltd.

Shanghai, China

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: ≤3.78h

AI-Powered supplier vetting

SummaryThe supplier provides extensive customization options and has a strong research and development capability, including ODM services and new product development. However, they lack overseas warehouse and showroom capabilities, and do not have overseas agents or participate in trade shows. Their financial data is up-to-date and they hold an ISO9001:2015 certification. Despite having quality assurance processes, the manufacturing capacity seems limited with only two production lines and no ongoing volume reconciliation or outsourcing SOPs.

CertificationsHolds an ISO9001:2015 certificate, indicating compliance with quality management standards.

After-Sales capabilityHas clear procedures and records for handling customer complaints and implementing corrective actions.

Financial creditFinancial data is current, with information available up to the last three years, demonstrating financial stability.

R&D capabilityStrong R&D capabilities with evidence of new product development, though lacking in audit documentation.

Production capacityLimited production capability with only two production lines, and lacks ongoing volume reconciliation and outsourcing SOPs.

Customization capabilityOffers full customization services from samples and designs, with a comprehensive design service capability.

Client casesProvides OEM services for well-known brands, suggesting a history of working with reputable companies.

Product Q&A

Q:What can I do if the fan is too loud?

Check mounting for loose screws causing vibration. Remove dust buildup that increases air resistance. Lower RPM using BIOS or software like SpeedFan. Consider bearing types: sleeve bearings are quiet but wear out, double-ball lasts longer but is slightly louder, and hydraulic is a middle ground.

Q:What is the difference between 3-pin and 4-pin fans?

3-pin fans use DC voltage control with fixed or stepped speeds. 4-pin fans use PWM for automatic speed variation by the motherboard, offering quieter and more precise control. A 4-pin plug can fit into a 3-pin header but will run at full speed or DC only.

Q:How can I make the fan quieter?

Use rubber pegs or grommets instead of metal screws to reduce vibration. Use an inline resistor cable or 'low-noise adapter' to drop voltage and reduce airflow. Adjust the fan curve in BIOS to keep RPM low until temperature rises.

Q:Why does the fan spin at 5V if the label says 12V?

Most motors have a wide tolerance and can run from 5V to 13V, though they may not start below ~7V.

Q:How do I know the fan is dying?

Listen for clicking or grinding sounds indicating bearing failure. Check RPM via software like HWMonitor; values far below spec (e.g., 300 RPM vs. 1200 RPM) are a red flag. Power off and flick the blade; wobble or stiffness indicates worn bearings.