This fan is published with the manufacturer’s full specification — 12 V, power source DC. Made by Guangzhou Yuexiu District Weikeheng Electronic Firm (2 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Fan
- Model Number: WKH 0505LDS
- Power Source: DC
- Voltage: 12 V
- Material: Plastic
- Blade Material: PBT
- Frame Material: Thermal Plastic 94V-0
Technical Specifications
| Voltage | 12 V |
|---|---|
| Speed | 4500 – 5500 RPM |
| Type | dc cooling fan |
| Material | Plastic |
| Blade Material | PBT |
| Mounting Type | Free Standing |
| Bearing Type | Sleeve Bearing |
| Power Source | DC |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | China |
| Brand Name | WEIKEHENG |
| Model Number | WKH 0505LDS |
| Color | Black |
| Product Name | DC Cooling Fan |
| Size | 80x80x25mm |
| Expectancy Life | 30000~40000 Hours |
| Air Pressure | 3.3~5.1 mmH20 |
| Noise | 22~35 dBA |
| Current | 0.18~0.32A |
| Certification | CE/RoHS/CCC |
| Frame Material | Thermal Plastic 94V-0 |
| Keyword | Ce RoHS 50mm 50x50x20mm 5020 Mini Powerful AirCooling fan |
| Selling Units | Single item |
| Single Package Size | 9X8X8 cm |
| Single Gross Weight | 0.05 kg |
Product Details
- Powerful 50mm blade design for maximum heat dissipation in tight electronic spaces.
- Engineered to keep small inverters and medical gear running at peak performance
- Whisper-quiet drive (under 24 dB-A), perfect for noise-sensitive beauty and office devices.
- Zero-Vibration Drive: Precisely balanced motor reduces mechanical resonance for a premium user experience
- JST, Molex 4-Pin, and Large 4-Pin for 100% replacement compatibility in any device.
- 12V/24V/48V options to fit global industrial power system standards.




50x50x20mm DC Fan | ||
Model Number | WKH 0505LDS (Universal Series) | |
Dimensions | 50 x 50 x 15 mm (5015 Size) | |
Rated Voltage | DC 12V / 24V / 48V (Selectable) | |
Rated Speed (RPM) | 4500 – 5500 RPM (High Speed) | |
Rated Current | 0.06 Amps (at 12V DC) | |
Power Consumption | 0.72 Watts (Energy Efficient) | |
Max. Airflow | 8.5 – 12.0 CFM (High Airflow) | |
Noise Level | 20 – 24 dB-A (Silence Fan PC) | |










MODEL | Rated Voltage | Rated Current | Rated Input Power | Speed | Maximum Air Flow | Maximum Air Pressure | Noise | ||||
PART NO. | VDC | Amp | Watt | R.P.M. | m3 /min | CFM | mmH2O | IN H2O | dB-A | ||
WKH0505LD | 5 | 0.14 | 0.7 | 4000 | 0.311 | 10.98 | 2.42 | 0.095 | 25 | ||
WKH0512LD | 12 | 0.06 | 0.72 | 4000 | 0.311 | 10.98 | 2.42 | 0.095 | 25 | ||
WKH0524LD | 24 | 0.05 | 1.2 | 4000 | 0.311 | 10.98 | 2.42 | 0.095 | 25 | ||
WKH0505MD | 5 | 0.2 | 1 | 4800 | 0.379 | 13.39 | 3.48 | 0.137 | 28 | ||
WKH0512MD | 12 | 0.07 | 0.84 | 4800 | 0.379 | 13.39 | 3.48 | 0.137 | 28 | ||
WHK0524MD | 24 | 0.06 | 1.44 | 4800 | 0.379 | 13.39 | 3.48 | 0.137 | 28 | ||
WKH0505HD | 5 | 0.33 | 1.65 | 5600 | 0.447 | 15.79 | 4.62 | 0.182 | 33 | ||
WKH0512HD | 12 | 0.1 | 1.2 | 5600 | 0.447 | 15.79 | 4.62 | 0.182 | 33 | ||
WKH0524HD | 24 | 0.07 | 1.68 | 5600 | 0.447 | 15.79 | 4.62 | 0.182 | 33 | ||
WKH0512HHD | 12 | 0.14 | 1.68 | 6400 | 0.518 | 18.3 | 6.44 | 0.254 | 37 | ||
WKH0524HHD | 24 | 0.09 | 2.16 | 6400 | 0.518 | 18.3 | 6.44 | 0.254 | 37 | ||
WKH0512VHD | 12 | 0.16 | 1.92 | 7000 | 0.575 | 20.3 | 7.7 | 0.303 | 40.5 | ||


Nebulizer, Electromagnetic Oven, Humidifier, Smart Toilet, Intelligent Range Hood, Air Purifier, Aromatherapy Machine, CPU Cooling
Fan, PC Server Case, 3D Printers, Stage Lighting, VR Equipment, AR Glasses, Intelligent Manicure Machine, Projector, High-speed
Industrial Camera, Head Mounted Display, Automotive Industry, Car GPS Navigator, Automotive LED Lamp, Cabinet Industry, Electrical
Control Cabinet, Power Industry, UPS Power Supply, Photovoltaic Equipment, Dehumidifier, Smart Air Conditioner, Portable Gas
Detector, Servo Drive, Electric Pallet Truck, Liquid Cooling Module, Industrial Cooling Blower, Outdoor LED Flood Light, Smart
Home LED Lamp, Energy Storage Cabinet, Industrial High Bay Light, Digital Projector, FPV Drone Gear, Ultrasonic Cleaner, Smart
Thermostat, Air Fryer, High-frequency Rectifier, Vehicle ADAS Module, Distribution Switchgear, Heat Exchanger, RGB Stage Light,
Battery Management System




















Item | Custom Options |
Product Name | Custom AC Axial Fan, DC Axial Cooling Fan 5020 |
Available Sizes | 15mm,17mm,18mm,20mm,25mm,30mm,35mm,36mm,38mm,40mm,45mm,50mm,52mm,60mm,70mm,80mm,92mm,120mm,125mm,127mm,136mm,140mm,150mm,160mm,172mm,200mm,220mm,225mm,254mm,280mm |
Material | Plastic Frame & Blades / Metal Frame & Metal Blades (Optional) |
Bearing Type | Double Ball Bearing / Hydraulic Bearing |
Working Voltage | DC: 5V,12V,24V,48V |
AC: 115V,230V,380V,480V | |
EC: 115V,230V Customized | |
Custom Features | PWM/FG/RD, IP waterproof, high temp, low noise |
Custom Parts | Logo printing, wire length, plug, fan guard |
Service | OEM & ODM, sample development |
Application Scenarios | Household Appliances, Industrial Machinery, Aerospace Equipment, Power Supply Equipment, Cooling System, Ventilation Devices & More |








Item | Custom Specifications |
Product Name | DC / AC / EC Centrifugal Blower Fan |
Available Sizes | 15mm,17mm,18mm,20mm,25mm,30mm,35mm,36mm,38mm,40mm,45mm,50mm,52mm,60mm,70mm,80mm,92mm,120mm,125mm,127mm,136mm,140mm,150mm,160mm,172mm,200mm,220mm,225mm,254mm,280mm custom sizes supported |
Material | Galvanized metal housing; galvanized metal / plastic impeller optional |
Motor Type | AC capacitor motor, DC / EC brushless outer rotor motor |
Working Voltage | DC 5/12/24/48V; AC 115/230/380/480V; EC 115/230V |
Custom Functions | PWM speed control, IP waterproof, custom wire & plug, laser logo |
Wide Application | Split air conditioner, air curtain, industrial cooling equipment, humidifier, heater, ventilation cabinet, charging pile, medical equipment |
Service | OEM ODM custom, sample drawing development |


Custom Protective Cover


Custom Dust Cover
efficiency, simple to mount and clean.




Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–199 piece: US $0.9 / piece
- 200–9999 piece: US $0.8 / piece
- 10000–19999 piece: US $0.5 / piece
- 20000+ piece: US $0.36 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this fan?
The standard minimum order quantity is 1 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this fan carry?
It is supplied with CE/RoHS/CCC documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the fan be supplied for my local voltage?
The standard configuration is 12 V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Guangzhou Yuexiu District Weikeheng Electronic Firm, based in China. The company 2 years as a verified Alibaba.com supplier, Trading Company. Browse the full Guangzhou Yuexiu District Weikeheng Electronic Firm range on HVACR Nexus.
See more in Exhaust Fans on HVACR Nexus.

























