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Small black 30mm square micro fan with three wires and a three-pin connector

OEM Industries

OEM Industries MFB30E-12A 30mm 12V 0.03A 3 Pin Fan

SKU CH-6VSW-SHCSH

A 30 mm ball-bearing micro fan runs on 12 V at .03 A with a three-pin connector for Raspberry Pi or similar boards

  • ColorBlack
  • TypeFan only
  • Fan Size30mm
  • Bearing TypeBall
  • Power Connector3 Pin
  • Compact 30 mm footprint fits tight Raspberry Pi builds
  • 12 V 0.03 A draw keeps power use minimal
  • Ball bearing design extends operational life
  • Three-pin connector enables speed monitoring
  • Black frame blends cleanly with board aesthetics

Compact 30 mm cooling fan

The OEM Industries MFB30E-12A is a 30 mm square micro fan built for tight spaces such as Raspberry Pi enclosures or small-form-factor CPU coolers. It runs on 12 V and draws 0.03 A through a standard three-pin connector. The black frame and ball bearing suit embedded and DIY projects where a low-profile airflow source is required.

Steady low-power airflow

At the rated voltage the fan delivers continuous airflow without the current spikes seen in larger PWM units. The ball bearing maintains consistent speed during extended operation, making it suitable for always-on devices that cannot tolerate bearing noise or sudden stalls. Its modest power draw keeps thermal contribution minimal inside sealed cases.

Drop-in replacement for 30 mm two-wire fans

This unit replaces older 30 mm two-wire fans that lack speed reporting, adding a tachometer line for monitoring. The upgrade is worthwhile when the host board supports three-pin headers and the builder needs RPM feedback for fan-curve control. It does not suit builds requiring PWM speed regulation or higher static pressure.

Points forts

  • Compact 30 mm footprint fits tight Raspberry Pi builds
  • 12 V 0.03 A draw keeps power use minimal
  • Ball bearing design extends operational life
  • Three-pin connector enables speed monitoring
  • Black frame blends cleanly with board aesthetics

Caractéristiques

ModelMFB30E-12A
ColorBlack
TypeFan only
Fan Size30mm
Bearing TypeBall
Power Connector3 Pin

Questions sur cet article

How loud is the 30mm ball-bearing fan when it runs continuously?

The 30mm ball-bearing fan spins at 12V and 0.03A, so its acoustic output stays low even during all-day operation.

What power header do I need on my board to run this 3-pin micro fan?

A standard 3-pin 12V fan header supplies the required 0.03A current for the MFB30E-12A.

Will this 30mm fan fit alongside the stock cooler on an older Raspberry Pi model?

At 30mm square and 6mm thick, the micro fan sits beside most legacy Pi heatsinks without clearance issues.

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