DC Fans

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Fan Size (mm)	Typical Airflow (CFM)	Common Use-Cases
30 × 30	3–6 CFM	Small electronics, compact enclosures, routers
40 × 40	5–10 CFM	Raspberry Pi cases, small drivers, modems
60 × 60	12–20 CFM	3D printer boards, NUCs, small power supplies
80 × 80	20–35 CFM	PC-style cooling, lab instruments, PSUs
120 × 120	40–75 CFM	High-airflow cases, server racks, large enclosures

Feature	Brushless DC Fan (BLDC)	Brushed Fan / Motor
Internal Design	Electronic commutation, no brushes	Mechanical brushes & commutator
Lifespan	Long (less wear, fewer moving contacts)	Shorter (brush wear over time)
Noise	Generally quieter, smoother operation	Can be noisier with brush friction
Efficiency	More efficient, better for continuous use	Less efficient
Use in DC Fans	Most DC cooling fans are brushless	Rare for modern small cooling fans

Passive Buzzer Module 3.3V-5V DC

Filamet is really good

Really good filament with no moisture and printed perfectly

The module is working fine i wished you guys had a soldered one and i think you missed the anntena for this module so make sure to provide one with this module

Delivery and quality

Delivery in one day excellent
Product quality is good

Good Product

Good product and fast courier services. It was good experience ordering from Robocraze

Product	Price
5V Mini Fan for Raspberry Pi	Rs. 112/-
5V 0.2A Raspberry Pi Cooling Fan	Rs. 83/-
12V 0.18A CPU Cooling Fan	Rs. 81/-
5V 4010 DC Fan	Rs. 73/-
12V Brushless DC Fan - 4010	Rs. 53/-

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All About DC Fans

Buy DC Cooling Fans Online in India

Size Chart & Typical Airflow (CFM)

Brushless vs Brushed

Applications: Electronics Cooling, Raspberry Pi, 3D Printers

Electronics Cooling

Raspberry Pi & Single-Board Computers

3D Printers

DIY & Robotics

Wiring & Voltage Tips

Common Fan Voltages

NEVER mix voltages

Wire Colors (typical for 2/3/4-wire fans)

Basic Connection

Noise Reduction & Maintenance Tips

Noise Reduction

Maintenance & Care

Why Choose Robocraze for DC Fans?

DC Cooling Fans Prices in India

Frequently Asked Questions

1. What is a DC fan?

A DC fan is a type of cooling fan that converts electrical energy into electromagnetic energy via DC voltage and electromagnetic induction, then electromagnetic energy into mechanical energy, and finally kinetic energy, which causes the fan blades to rotate.

2. Are DC fans better than AC fans?

DC fans are generally better than their Ac counterparts.

they use less energy – up to 70% less than a standard AC fan.

They are generally extremely quiet.

They will often have more speed options, the reverse function on the remote, and are generally faster to start, stop and change speed.

The motor is generally more compact and lighter, which allows for a slimmer motor design.

3. How do DC fans work?

4. What is the difference between DC fans and AC fans?

5. How to power a DC fan?

A DC fan can be powered directly via battery or by plugging it directly into the GPIO power pin for instant cooling effect. It can also be powered via AC power supply by using AC to DC converter.

6. What voltages are available for these DC fans?

7. Are these fans suitable for Arduino and Raspberry Pi projects?

Absolutely. These fans are like tiny bodyguards for your boards, keeping them cool during long coding marathons or sensor-heavy adventures. Whether you plug them directly into the GPIO or drive them through a transistor or motor driver, they slot in nicely with hobby-level electronics.

8. What sizes and airflow ratings do these fans have?

They come in many sizes, from pocket-friendly 30mm and 40mm squares to larger 80mm or more. Airflow varies, but you’ll find everything from gentle whisper-fans for compact enclosures to high-RPM units ready to blast heat off busy components.

9. Are the fans compatible with computer and electronic cooling?

Yes. Many of these fans are cousins of the ones you see inside PC cases, routers, 3D printers, and game consoles. They’re built for tight spaces and steady airflow, making them a natural fit for electronics cooling.

10. Can these fans be used in robotics or DIY projects?

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