8041B DC Axial Flow Fan – Aluminum Alloy Cooling Solution for Harsh Environments

8041B DC Axial Flow Fan – Aluminum Alloy Cooling Solution for Harsh Environments

The 8041B DC Axial Flow Fan (Φ82.5 × 41.0 mm) is designed for applications requiring high airflow, high static pressure, and robust mechanical strength. Featuring an all-aluminum alloy frame and impeller, this model delivers excellent thermal performance and durability in demanding ground, vehicle-mounted, marine, and airborne environments.

Structural Design & Materials

• Frame Material: Aluminum Alloy

• Impeller Material: Aluminum Alloy

• Bearing Type: Dual Ball Bearings

• Weight: 188 g

The aluminum alloy construction enhances mechanical rigidity, thermal stability, and resistance to harsh operating conditions, making the 8041B suitable for mission-critical electronic cooling.

Performance Options

The 8041B series provides multiple performance configurations to meet different cooling requirements:

Available voltage options include 5V, 12V, 24V, 28V, and 48V, allowing flexible system integration.

Signal & Control Functions

The 8041B supports multiple signal and control options, selectable by model code:

• No signal function

• PWM duty-cycle speed control

• High-level fault alarm

• Tachometer (RPM) feedback

• PWM + fault alarm

• PWM + RPM feedback

These functions enable precise monitoring and speed regulation for advanced electronic systems.

Environmental Adaptability

Built in compliance with GJB military standards, the 8041B fan demonstrates strong adaptability across severe environments:

• High temperature: up to 85°C operation

• Low temperature: down to –55°C operation

• Salt spray resistance: neutral and acidic, 192 hours

• Humidity, rain, sand & dust resistance

• Shock & vibration: up to 40g (airborne rating)

• EMC compliance: RE102 / CE102

• Power supply protection: abnormal overvoltage 80V / 50ms

Typical Applications

• Military and defense electronics

• Vehicle-mounted and ground-based systems

• Marine and naval electronic equipment

• Airborne electronic platforms

• High-power industrial control systems

The 8041B DC Axial Flow Fan is an ideal solution where cooling performance, structural strength, and environmental reliability are equally critical.