Electronics & Avionics Cooling
Targeted Cooling for Complex Electronic Systems
Application
Cooling Sensitive Electronics with Precision
For more than 75 years, AMETEK Rotron has delivered reliable air‑moving solutions for electronics and avionics cooling across aerospace and defense platforms, with early contributions that helped shape military cooling standards. Today, our products support advanced avionics, mission computers, radar systems, power electronics, and embedded equipment operating in demanding environments, with a proven record across aircraft, naval platforms, and ground systems. In addition to fans and blowers, we design complete thermal subsystems, including fan and heat exchanger assemblies, liquid cooling solutions, and packaged avionics cooling units tailored to specific platform requirements.
Our Solutions
AMETEK Rotron supports specialized platforms with custom-engineered thermal solutions that draw on decades of aerospace and defense experience and a long track record across proven, in-service applications.
Solutions
Aximax Vaneaxial Fans
Designed for restrictive airflow paths requiring consistent pressure and long service life.
| Fan Type | Vaneaxial |
| Typical Size | 1.75 OD - 3 in OD |
| Typical Weight | 0.2 lbs. - 1.9 lbs. |
| Max Airflow (CFM) | 7 - 155 CFM |
| Max Pressure (IWG) | 0.1inH2O - 7 inH2O |
| Power Consumption | 7.2 - 125W |
Solutions
Propimax Tubeaxial Fans
Propimax fans provide durable, reliable cooling for electronics operating under severe mechanical and environmental stress.
| Fan Type | Tubeaxial |
| Typical Size | 3.25in OD - 3.75in OD |
| Typical Weight | 0.4 lbs. - 1.3 lbs. |
| Max Airflow (CFM) | 55 - 295 CFM |
| Max Pressure (IWG) | 1inH2O – 7inH2O |
| Power Consumption | 7 - 178W |
Solutions
Electronics Cabinet Cooling
Built for harsh environments with high reliability and stable performance under continuous load, ideal for mission-critical rack-mounted systems and dense electronics enclosures.
| Cooling Capacity | 1–10kW+ |
| Standard Rack Mount Heights | 3U, 4U, 6U+ |
| Water Cooled Heat Exchangers | Equipped, if needed |
| Input Power | All Common AC & DC inputs |
Solutions
Spot Cooling Assemblies
Spot cooling assemblies are custom designed to deliver focused airflow exactly where sensitive components generate the most heat.
- Customizable for your applications
- Multiple fans (parallel, series)
- Custom cable harness
- Sensor integration
- Mounting
- Check Valve
Supporting Specialized Platforms
Rotron supports specialized platforms with custom-engineered thermal solutions that draw on decades of aerospace and defense experience and a long track record across proven, in-service applications.
Common Applications
- Avionics module cooling
- Cockpit Display Cooling
- HUD Cooling
- Power Supply Cooling
Major Customers
- AMX
- Bell
- Boeing
- Boeing‑SAAB
- Embraer
- General Atomics
- General Dynamics
- Lockheed Martin
Key Programs
- A-1M
- A-29 EMB 314 Super Tucano
- C130 Hercules (many variants)
- E-3 Sentry AWACS
- E-6 Mercury
- E-7 Wedgetail
- F-15 Eagle
- F-16 Fighting Falcon
- F-18 Hornet / Super Hornet
- F-22 Raptor
- F-35 Lightning
- KC-46 Pegasus Tanker
- P-3C Orion
- P-8 Poseidon
- T-7 Boeing‑Saab Red Hawk
- V-22 Osprey
Proven Performance
AMETEK Rotron fans and blowers have a long history of successful operation across diverse platforms, from aerospace systems to rugged defense applications, where designs proven in real operating conditions continue to be selected for new programs based on demonstrated durability and consistent performance.
Proven Performance
Avionics Rack Cooling in Tactical Military Aircraft
The DC Aximax 2 has been integrated into multiple airborne platforms to provide stable, high-performance cooling for avionics bays and electronics enclosures. Its compact footprint, microcontroller-based electronics, and built-in fan performance sensing made it ideal for embedded flight systems requiring locked-rotor protection and consistent airflow.
Proven Performance
Power Supply & Black Box Cooling in Harsh Environments
The AC Aximax 2 has been selected for ruggedized black box and mission computer applications, where it delivers over 55 CFM at free delivery and operates at speeds exceeding 21,000 RPM. Its robust construction ensures reliable thermal management for power supplies and transformers in high-vibration environments.
Proven Performance
Sensor & Electro-Optic System Cooling in ISR Platforms
The 6W AC Aximax 1 is deployed in electro-optic and navigation systems, including LED landing lights and precision sensors. Its quiet, low-power operation supports temperature-sensitive components where acoustic signature and thermal stability are critical.
Proven Performance
Naval Electronic Warfare Systems Integration
AXIMAX 3 assemblies have been fielded in advanced naval electronic warfare pods such as the AN/ALQ 248. These assemblies provide high-density electronics cooling in space-constrained environments, meeting stringent military requirements.
