20×20×4mm Automotive DC Blower Fan for Car Electronic Device Cooling

Name: 20×20×4mm Automotive DC Blower Fan for Car Electronic Device Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2151538202

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

US$2.90

500-4,999 Pieces

US$2.30

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.

2004

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

Wide Voltage Tolerance: Motors operate effectively within a 5V to 13V range, ensuring flexibility in power supply.

Multiple Bearing Options: Available in sleeve, hydraulic, and double-ball bearings with lifespans from 2 to 10 years.

Dual Pin Configuration: Supports 3-pin for DC voltage control and 4-pin for precise PWM auto-speed operation.

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

High Durability Design: Features compact design, ultra-quiet operation, and strong adaptability for various scenarios.

Global Certification: Meets FCC, CE, RoHS, and ISO9001:2015 standards for quality and safety assurance.

Broad Application Range: Suitable for automotive, UAVs, medical, communication, and consumer electronics cooling.

Strict Quality Control: 100% visual and function inspection for finished products with traceable raw materials.

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: ≤2.95h

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:3-pin vs. 4-pin difference?

3-pin: DC voltage control, fixed or stepped speeds. 4-pin: PWM, auto speed control for quieter, precise operation. Compatibility: 4-pin on 3-pin header runs full-speed/DC only.

Q:How can I make the fan quieter?

Use rubber pegs/grommets instead of screws to reduce vibration. Use inline resistor cable or 'low-noise adapter' to lower voltage (airflow reduces). Adjust BIOS fan curve: keep RPM low until temperature increases.

Q:How do I know the fan is dying?

Listen: clicking/grinding = bearing failure. Check RPM: use HWMonitor; much lower than spec (e.g., 300 RPM vs. 1200 RPM) signals issues. Power off and flick: blade should spin freely; wobble/stiffness signals worn bearings.