12738A DC Axial Flow Fan – High-Power Cooling for Harsh Industrial & Defense Environments

12738A DC Axial Flow Fan – High-Power Cooling for Harsh Industrial & Defense Environments

The 12738A DC Axial Flow Fan (127.0 × 127.0 × 38.0 mm) is a high-performance cooling solution designed for industrial, vehicle-mounted, marine, and airborne electronic systems requiring strong airflow, high static pressure, and long-term reliability.

Built with an aluminum alloy frame and engineering-plastic impeller, the 12738A series combines mechanical strength with optimized aerodynamic efficiency. The dual ball bearing structure ensures stable operation, long service life, and excellent performance under continuous duty cycles.

Key Structural Features

• Frame: Aluminum alloy for enhanced rigidity and heat resistance

• Impeller: Engineering plastic for optimized airflow and reduced inertia

• Bearing: Dual ball bearings for extended lifetime and high reliability

• Weight: 520 g

Performance Overview

The 12738A series offers multiple speed and voltage configurations to meet different system requirements:

• Rated speeds: 5,000 RPM / 7,000 RPM

• Maximum airflow: up to 346.7 m³/h

• Maximum static pressure: up to 462.8 Pa

• Noise level: as low as 58.0 dBA (at 5,000 RPM)

Available voltage options include 12V, 24V, and 28V, with additional options from 5V to 48V upon request.

Signal & Control Options

The fan supports multiple signal configurations:

• No signal output

• PWM duty-cycle speed control

• High-level fault alarm

• Tachometer (RPM) feedback

• Combined PWM + alarm or PWM + speed feedback

These options allow seamless integration into intelligent control and monitoring systems.

Environmental Adaptability

Designed in accordance with GJB military standards, the 12738A series demonstrates excellent adaptability across demanding environments:

• High & low temperature resistance

• Enhanced rain and humidity protection

• Fungus and salt-spray resistance

• Sand, dust, vibration, shock, and acceleration tolerance

• EMC compliance (RE102 / CE102)

Typical Applications

• Power electronics and industrial control cabinets

• Vehicle-mounted and ground-based electronic equipment

• Marine and naval electronic systems

• Airborne and aerospace thermal management systems

12738A DC Axial Flow Fan is an ideal choice for applications where high airflow, high pressure, and proven environmental reliability are critical.