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Black centrifugal turbine blower fan 97 by 94 by 25 mm with three pin connector

Fans

Fans BCB1012EH 9725 97x94x25mm DC12V 1.56A 3-Pin PWM centrifugal turbine blower case fan

SKU CH-NH20-V3CZB

A 97 mm square centrifugal blower with 25 mm depth runs on 12 V DC at 1.56 A via a 3-pin PWM connector

  • PWM speed control via 3-pin header
  • 97 mm square frame fits tight 94 mm mounts
  • 25 mm thick turbine moves air through restricted paths
  • 12 V DC motor draws 1.56 A for strong static pressure

BCB1012EH 9725 centrifugal turbine blower fan

The BCB1012EH 9725 is a 97 mm by 94 mm centrifugal turbine blower designed for targeted airflow in compact enclosures. It operates on 12 V DC and draws 1.56 A through a 3-pin PWM connector for speed control. The 25 mm thick frame houses a blower wheel that directs air perpendicular to the intake, making it suitable for heatsinks or ducting where axial fans cannot reach. Buyers needing standard axial case fans for general chassis ventilation should look elsewhere.

3-pin PWM 12 V integration and airflow role

The fan connects to a 3-pin PWM header on the motherboard or a fan controller, allowing the system to adjust speed based on temperature. Its 12 V 1.56 A rating requires a header or supply capable of delivering that current. The centrifugal design pulls air in axially and exhausts it radially, freeing up linear space behind the fan for tight component stacks or narrow ducts. Builds without a 3-pin PWM header or with only 4-pin headers lacking voltage control cannot use the speed regulation feature.

Highlights

  • PWM speed control via 3-pin header
  • 97 mm square frame fits tight 94 mm mounts
  • 25 mm thick turbine moves air through restricted paths
  • 12 V DC motor draws 1.56 A for strong static pressure

Specifications

No published specifications for this item yet.

Questions about this item

How long before the 1.56 A draw triggers thermal limits in a confined chassis?

The motor pulls 1.56 A at 12 V, so sustained operation in a tight case will hit thermal limits once the chassis airflow can no longer reject the heat produced.

What noise and heat should I expect when the BCB1012EH runs continuously at 12 V?

At full PWM duty the blower moves air through its 97×94×25 mm housing, producing a noticeable turbine whine and dumping the motor’s waste heat directly into the case.

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