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Small black blower fan 45 by 20 mm with three wires

Zyvpee

Zyvpee BM4520-04W-B39 45x20mm 12V 0.12A 3-Pin Blower Case Fan

SKU CH-CD6C-E33ZF

A 45 x 20 mm 12 V DC blower fan with ball bearing and three-pin connector for targeted airflow in tight spaces

  • TypeCase Fan
  • CompatibilityCase
  • Bearing TypeBall
  • Power Connector3 Wires
  • ColorBlack
  • LEDNon-LED
  • Compact 45 x 20 mm blower fits tight chassis
  • Ball bearing ensures durable 12 V operation
  • Low 0.12 A draw reduces power load
  • Three-pin connector enables speed monitoring
  • Direct replacement for GS01721 NP215 projector cooling

Compact 45×20 mm blower fan for tight spaces

This 12 V DC blower measures 45 by 20 mm and draws 0.12 A through a three-wire connector. It uses a ball bearing for reliable rotation and has no LED lighting. The unit is designed for equipment that requires focused airflow in a small footprint.

Fits builds needing directed exhaust through

The blower layout pushes air along a concentrated path rather than spreading it, so it suits enclosures with restricted intake or exhaust channels. A three-wire connection provides tachometer feedback for speed monitoring. No additional mounting hardware or controller is included.

Replaces the original NMB BM4520-04W-B39

When the factory fan wears out or becomes noisy, this direct-match unit restores the intended cooling performance. It is not suited for general case ventilation or radiators that need high static pressure across a broad area. Buyers needing larger airflow volumes or standard square mounting patterns should look elsewhere.

Points forts

  • Compact 45 x 20 mm blower fits tight chassis
  • Ball bearing ensures durable 12 V operation
  • Low 0.12 A draw reduces power load
  • Three-pin connector enables speed monitoring
  • Direct replacement for GS01721 NP215 projector cooling

Caractéristiques

BrandZyvpee
SeriesBM4520-04W-B39
ModelBM4520-04W-B39
TypeCase Fan
CompatibilityCase
Bearing TypeBall
Power Connector3 Wires
ColorBlack
LEDNon-LED
FeaturesDC Blower
Dimensions45*20mm

Questions sur cet article

At what current draw does the 12 V blower reach its electrical limit under sustained use?

The unit draws 0.12 A at 12 V, so continuous operation stays within that 0.12 A rating.

How much acoustic and thermal output does the ball-bearing blower produce during all-day operation?

The ball bearing and DC blower design run at the rated 0.12 A, delivering steady airflow with minimal mechanical noise and low heat rise.

Which existing connector must the system provide for the 3-wire 3-pin plug to work?

A standard 3-pin 12 V fan header is required to power and monitor the blower.

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