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Square 45 mm blower fan, two-tone finish, 10 mm thick

Zyvpee

Zyvpee BFB04512HHA -9A23 45x45x10mm 12V 0.26A 3-pin blower case fan

SKU CH-YABH-HGZ5Y

A 45×45×10 mm 12 V DC blower with ball bearing, 3-pin connector and 20–25 dBA noise

  • TypeCase Fan
  • CompatibilityCase
  • Bearing TypeBall
  • Noise Level20 - 25 dBA
  • Power Connector3 Pin
  • Color2-Tone
  • Compact 45×45×10 mm blower fits tight spaces
  • Ball bearing ensures long-life operation
  • Low 20–25 dBA noise keeps system quiet
  • 12 V 0.26 A draws minimal power
  • 3-pin connector enables speed monitoring

Compact blower for tight cases

The Zyvpee BFB04512HHA -9A23 is a 45 mm square centrifugal blower designed for small-form-factor enclosures and rack-mount chassis where axial airflow cannot reach restricted channels. It targets builders who need directed exhaust through narrow ducts or heatsink fins.

Ball-bearing motor with three-pin power

A ball bearing supports the rotor for consistent rotation at the rated 12 V and 0.26 A draw. The three-pin connector supplies power and tachometer feedback without PWM control so speed scales with voltage. The two-tone frame carries no lighting.

Verify mounting pattern and voltage header

Confirm the chassis offers 45 mm by 45 mm hole spacing with 10 mm depth clearance for the blower housing. Ensure the motherboard or fan controller provides a 12 V three-pin header; the fan will not start on a 5 V rail or a four-pin PWM-only socket.

Punti di forza

  • Compact 45×45×10 mm blower fits tight spaces
  • Ball bearing ensures long-life operation
  • Low 20–25 dBA noise keeps system quiet
  • 12 V 0.26 A draws minimal power
  • 3-pin connector enables speed monitoring

Caratteristiche tecniche

SeriesBFB04512HHA
ModelBFB04512HHA
TypeCase Fan
CompatibilityCase
Bearing TypeBall
Noise Level20 - 25 dBA
Power Connector3 Pin
Color2-Tone
LEDNon-LED
FeaturesDC Blower
Dimensions45*45*10mm

Domande su questo articolo

What does the 3-pin power connector limit for speed control?

The 3-pin connector allows voltage-based speed control but does not support PWM signals, so the motherboard adjusts fan speed by varying the 12 V supply instead of a digital duty cycle.

What clearance does the 45x45x10 mm frame need to fit?

The square 45 mm frame is only 10 mm thick, so it fits in tight 1 U brackets or small-form-factor cases that cannot accept a standard 25 mm fan.

How is the blower fan wired, and which wire is often mistaken?

The three wires are 12 V, ground and tachometer; the yellow tach wire is frequently left unplugged, which lets the fan spin but prevents the BIOS from reporting its speed.

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