How do I know if the fan is dying?

Listen for clicking or grinding noises, check for significantly lower RPMs than specified, or test if blades spin freely without wobble.

What causes the fan to be too loud?

Loose screws causing vibration, dust buildup increasing resistance, or wearing out of sleeve bearings can cause noise.

Can I connect the fan to a power supply?

Yes, connecting to a PSU Molex runs it at 12V full speed, but motherboard headers are better for speed control and quieter operation.

18X18X4mm High Speed DC Turbo Blower Fan for Kitchen Appliance

Name: 18X18X4mm High Speed DC Turbo Blower Fan for Kitchen Appliance
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2154957312

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

US$3.00

500-4,999 Pieces

US$2.50

5,000+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic-Iron-Copper-Magnet

Blade Material

PBT 94ulv

Model NO.

1804

Type

DC Blower Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Insulation Resistance

10mωor Over with at DC250V Megger

Ielectric Withstand Voltage

AC500V1s

Ambient Temperature

-10℃~+70℃(Operating) -40℃~+70℃(Storage)

Expected Life

+40° ,30000 Hours

Transport Package

Paper Box

Specification

Customized

Trademark

FUNSHARE

Origin

China

Production Capacity

100000 Pieces/Year

Key features

High Durability & Long Life: Double-ball bearing lasts 5-10 years; sleeve bearing lasts 2-3 years.

Ultra-Quiet Operation: Hydraulic and double-ball bearings offer quiet performance with reduced vibration.

Flexible Speed Control: Supports 3-pin DC voltage control and 4-pin PWM for precise, auto speed adjustment.

Wide Voltage Tolerance: Motors operate effectively within a 5V-13V range for versatile power compatibility.

Professional Heat Dissipation: Ensures stable operation and extended service life for electronic devices.

Certified Quality Standards: ISO9001, FCC, CE, and ROHS certified for reliable performance and safety.

Full Customization Service: ODM and OEM services available with customization from samples or designs.

Compact & Portable Design: Suitable for notebooks, UAVs, VR headsets, and various industrial scenarios.

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: ≤4.77h

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:How can I reduce fan noise?

Use rubber grommets instead of screws, lower voltage with a resistor, or adjust BIOS fan curves to keep RPM low.

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

3-pin uses DC voltage control for fixed speeds, while 4-pin uses PWM for auto speed control, offering quieter and more precise operation.

Q:How long does the fan last?

Sleeve bearings last 2-3 years, hydraulic bearings last 4-5 years, and double-ball bearings last 5-10 years.

Q:Which direction should the fan face?

Check arrows on the frame: intake arrows point to front/side for cool air, and exhaust arrows point to rear/top for hot air.

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

The motor has a wide tolerance range of 5V-13V, though it might not start below approximately 7V.

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