Why does the 12V fan spin at 5V?

The motor has a wide tolerance range of 5V-13V. It might not start below ~7V but will spin at higher voltages within this range.

Do more blades mean better performance?

More blades increase static pressure but may be slightly louder. Fewer blades provide higher airflow and lower noise. A balance of 7-9 blades is typical.

How do I know if the fan is dying?

Listen for clicking/grinding (bearing failure). Check RPM via software; significantly lower RPM than spec indicates issues. Power off and check if blades spin freely without wobble.

15X15X4mm Small Form Factor Reliable Axial Flow Fan for Power Supply Cooling

Name: 15X15X4mm Small Form Factor Reliable Axial Flow Fan for Power Supply Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2157549732

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

US$3.50

500-4,999 Pieces

US$2.80

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.

FD1504

Type

DC Axial Flow 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

Wide Voltage Tolerance: Operates reliably within 5V to 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.

Certified Quality: ISO9001, FCC, CE, and RoHS certified, ensuring high safety and environmental standards.

Full Customization: Offers customization from samples, designs, and full customization to meet specific needs.

Compact Design: Small form factor 15x15x4mm size, ideal for notebooks, UAVs, and VR headsets.

High Durability: Double-ball bearings last 5-10 years, suitable for 24/7 continuous operation.

Quiet Operation: Features ultra-quiet performance with options for noise reduction via BIOS or adapters.

Professional Support: Expert guidance and full customization support from experienced R&D engineers.

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: ≤3.99h

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 causes fan noise and how to fix it?

Check for loose screws causing vibration, remove dust buildup, lower RPM via BIOS, or consider bearing type (sleeve is quietest but wears faster; hydraulic is a middle ground).

Q:Which direction should the fan face?

Follow arrows on the frame: intake arrows point to cool air in (front/side), exhaust arrows point to hot air out (rear/top). Tower coolers push air toward rear exhaust.

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

3-pin uses DC voltage control for fixed/stepped speeds. 4-pin uses PWM for auto speed control, offering quieter and precise operation. 4-pin on 3-pin header runs at full speed.

Q:How long will the fan last?

Sleeve bearing lasts ~2-3 years. Hydraulic bearing lasts ~4-5 years. Double-ball bearing lasts 5-10 years and tolerates 24/7 operation.

Q:How can I make the fan quieter?

Use rubber pegs instead of screws, use inline resistor cables to lower voltage, or adjust BIOS fan curves to keep RPM low until temperatures rise.