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Small square 12V cooling fan with three-wire connector

Fans

Fans FFB03812HN-DT26 12V 0.41A 3-wire case fan

SKU CH-QFDH-EQV4K

12V 0.41A 3-wire cooling fan for compact cases or projectors

  • 12 V power for stable projector cooling
  • 41 A draw keeps energy use low
  • 3-wire connection enables speed monitoring
  • Genuine FFB03812HN-DT26 part ensures correct fit

38 mm 12 V 3-wire cooling fan

The FFB03812HN-DT26 is a compact 12 V case fan rated at 0.41 A with a standard three-wire connection. It fits 38 mm mounting points and is designed for steady airflow in tight enclosures such as projectors or small-form-factor PCs.

Replaces worn 38 mm 12 V fans

Use this unit when an existing 38 mm 12 V fan becomes noisy or fails, restoring original cooling performance without rewiring. The jump is not worth it if your chassis requires larger frames, higher static pressure or PWM speed control.

How it compares

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Price $19.99
Typical for this category: the median of 8,339 items is $19.99.

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Specifications

No published specifications for this item yet.

Questions about this item

What are the exact dimensions for the FFB03812HN-DT26 fan?

The model code FFB03812HN-DT26 indicates a 38 mm by 28 mm frame, matching the 3828 designation in the supplier title.

How is the 3-wire connector on this 12V fan installed, and what is the common mistake?

Connect the three wires — power, ground, and tachometer signal — to a matching 3-pin header; the frequent error is reversing the power and ground leads, which prevents the fan from spinning.

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