12V 4010 Cooling Fan for 3D Printer

12V 4010 DC Brushless Cooling Fan for 3D Printers is an essential component providing targeted airflow to maintain optimal operating temperatures for critical 3D printer components like hotends and stepper motor drivers. This compact 40x40x10mm fan utilizes a reliable sleeve bearing and a high-efficiency brushless motor, making it a powerful yet space-saving cooling solution for custom electronics and tight enclosures. Therefore, designers frequently select the 4010 form factor for its perfect balance of sufficient airflow and minimal intrusion into the build volume. Its 12V operating voltage ensures seamless integration with the most common 3D printer control boards, consequently safeguarding against overheating that compromises print quality and component lifespan. Furthermore, its two-wire configuration simplifies wiring, allowing you to quickly upgrade or replace existing fans.

Key Features:

• Optimal Airflow: The fan delivers effective cooling specifically designed for the localized heat dissipation requirements of 3D printer hotends and stepper motor cooling.
• Brushless DC Motor: This design ensures long-term reliability and operates efficiently, drawing minimal power from the system supply.
• 12V Operation: The fan is fully compatible with the standard 12 V power rails found on most desktop 3D printer mainboards and power supplies.
• Compact Form Factor: The 40 x 40 x 10 mm size maximizes cooling potential while minimizing spatial requirements within the printer’s restricted gantry or extruder carriage.
• Sleeve Bearing: This cost-effective bearing type offers good performance for intermittent or light-duty cooling applications.

Technical Specifications:

• Rated Voltage: DC 12 V
• Operating Voltage Range: 10.8 V to 13.2 V
• Rated Current: ≈ 0.1 A to 0.15 A (Varies by model; typically ≤ 1.8 W)
• Airflow (CFM): Typically 6 CFM ± 10%
• Acoustic Noise (dBA): Typically ≤ 25 dBA
• Fan Speed: ≈ 5000 RPM to 7000 RPM (Varies by load)
• Insulation Resistance: 10 MΩ at 500 VDC

Mechanical Specifications:

• Bearing Type: Sleeve Bearing
• Frame Material: Thermoplastic (PBT UL94V-0 Rated)
• Impeller Material: Thermoplastic (PBT UL94V-0 Rated)
• Wire Length: Typically 15 cm to 30 cm
• Connector Type: Often supplied with a 2-pin DuPont or JST-XH connector

Dimensions:

• Frame Dimensions (L x W): 40 mm x 40 mm
• Frame Thickness (H): 10 mm
• Mounting Hole Spacing: 32 mm x 32 mm
• Weight: ≈ 15 g to 20 g

Pinout and Wiring:

• Red Wire (+): Connect the Red wire to the positive 12 V DC power source (V_FAN).
• Black Wire (−): Connect the Black wire to the circuit ground (GND) or the switching element (e.g., MOSFET) on the control board.
• Polarity Warning: Crucially, verify polarity before connecting the fan; reversing the connection will damage the fan’s motor.
• Switching Note: For control, the 3D printer board typically switches the Black (GND) wire via a MOSFET.

Datasheet Reference:

• Download Delta BFB0412MA Cooling Fan Datasheet (Reference)

Commonly Used in:

• 3D Printer Hotend Cooling: Directing air onto the heat break to prevent heat creep.
• Stepper Driver Cooling: Mounting directly onto driver heatsinks (e.g., A4988, DRV8825, TMC series) to maintain stability.
• DIY Electronics Projects: Providing localized cooling for power modules, microprocessors, and small power amplifiers.

Applications:

• Heat Break Maintenance: The fan maintains a steep thermal gradient between the hot block and the cold end, which is essential for consistent filament extrusion.
• Control Board Enclosures: Users integrate the fan to circulate air within control board housings, preventing thermal shutdown of components.
• Small Device Ventilation: Serving as an exhaust or intake fan in compact embedded systems and networking equipment.

Equivalent Models:

• Sunon MF40101V1: A popular 40x10mm 12V fan from a well-known manufacturer, often used as a high-quality, direct replacement.
• GDSTIME 4010 12V: A generic, widely available alternative that shares the same mechanical and electrical specifications.
• Noctua NF-A4x10 FLX: However, this is a premium, ultra-quiet alternative, though users must verify the included accessories and wiring.

Package Includes:

• 1 x 12V 4010 Cooling Fan (DC Brushless)