The XFAN RDL6015B1 is a compact axial cooling brushless (BLDC) fan operating on 12V DC power.
Specifications - Features:- Brand / Manufacturer: XFAN (Xinruilian)
- Model Number: RDL6015B1
- Fan Type: Axial / Brushless DC
- Dimensions: 60 mm x 60 mm x 15 mm
- Rated Voltage: 12V DC
- Input Current: 0.11A
- Power Consumption: ~1.32 Watts (calculated: 12V × 0.11A)
- Connector Type: 2-wire (red and white)
Applications:
Common applications include electronics cooling; computers, laptops, 3D printers, small power supplies, or compact gear and so on.
DIY Electronics: How to Convert a Mini 12Volt BLDC Fan to a 5V USB Fan
To use a 12V mini BLDC (brushless) fan as a USB fan, you have to address a voltage mismatch: USB ports output 5V, while a mini BLDC fan requires 12V to run at full speed. You can accomplish this using two different methods depending on how fast you want the fan to spin.
Method 1: The Direct 5V Hack (Low Speed / Quiet)
Most 12V BLDC fans will start spinning at 5V, but they will run at less than half speed. This is ideal if you want a completely silent, gentle breeze.
1. You Need a USB Cable: Cut a sacrificial USB cable (that is a working USB cord you are not using) to expose the internal wires.
2. Identify the Power Wires: Strip the insulation to find the Red (Positive +5V) and Black (Negative/Ground) wires. Disregard or cut away the green and white data wires.
3. Strip the Brushless DC Fan Wires: Your BLDC cooling fan will also definitely have a Red (Positive) and Black (Negative) wire. If there is a yellow/white or blue wire, it is for speed sensing/PWM control; ignore it.
4. Connect the Wires: Now match the USB Red (Positive) wire to the Fan's Red (Positive) wire and the USB Black (Negative) wire to the fan's Black (Negative) wire.
5. Insulate the Wires: Wrap the exposed wire joints tightly with electrical tape or heat-shrink tubing to prevent a short circuit.
6. Plug it in: Connect it to a standard USB port or power bank and the brushless DC fan will start working.
* Note: If the fan just twitches and doesn't spin, it means its startup threshold is higher than 5V, and you must use Method 2.
Method 2: Use a 5V-to-12V Step-Up Converter (Full Speed)
If you want the fan to run at its maximum 12V performance, you need a small hardware component called a DC-DC Step-Up (Boost) Converter.
• The Easy Way: Purchase a pre-made 5V to 12V USB step-up cable online (available on platforms like Amazon or AliExpress). It has a USB plug on one end, a built-in voltage booster chip in the middle, and bare wires or a DC jack on the other end to connect straight to your fan.
• The DIY Way: Buy a cheap MT3608 boost converter module. Solder the USB Red/Black wires to the VIN+ and VIN- pads. Use a multimeter to adjust the module's tiny potentiometer screw until the output reads 12V. Then, solder your fan's Red/Black wires to the VOUT+ and VOUT- pads.
⚠️ Critical Safety Warnings
• Do not overload the USB port: Ensure your 12V fan draws less than 0.4 Amps (400mA) if you are using a boost converter. Boosting 5V to 12V multiplies the current draw from the USB port by roughly 2.5x. A power-hungry fan can overheat or damage a computer's USB port.
• Never mix up the polarity: BLDC fans have internal electronic circuit boards. Connecting Red to Black (reverse polarity) will instantly fry the fan's controller board, ruining the fan permanently.
* Need a Brushless BLDC Cooling Fan? Check Market Stores.
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