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Electronics & Avionics Cooling
 Targeted Cooling for Complex Electronic Systems

 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. Rotron’s vertically integrated manufacturing and system‑level engineering enable precise solutions to complex thermal challenges, with all development stages, from design and machining to motor winding, assembly, and qualification testing, performed in‑house to ensure consistent quality. 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.

Field-Proven Products
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.

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
Download Datasheets

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
Download Datasheets

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
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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
Learn More
Explore Our Product Catalog

Search products by performance criteria such as airflow, pressure, and application requirements to quickly find the right solution.

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MARKET-SPECIFIC APPLICATION SOLUTIONS
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.
Mil Aero

Military Aerospace

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
Commercial aerospace

Commercial Aerospace

Common Applications
  • APU / Avionics Bay Cooling
  • Cockpit and cabin electronics cooling
  • Galleys, baggage, and ventilation zones
  • Nose Bay & Radio Rack Cooling
Major Customers
  • Airbus
  • Boeing
  • Bombardier
  • Dassault
  • DeHavilland
  • Fokker
  • Gulfstream
  • SAAB
Key Programs
  • 787
  • 737, 737‑200, 737‑400
  • 757, 757‑200
  • 767, 767‑300
  • A320NEO, A330, A350, A380
  • All Gulfstream Aircraft
  • Challenger
  • EM‑120
  • EMB 135 & 145
  • Falcon 10,50, 200, 900, 2000
  • Lear 45
  • Lineage 1000
  • MD‑80, 88, 90
  • Q300, Q400
  • SAAB 2000, 340
UAV

UAV

Common Applications
  • Avionics Bay Cooling for UAV Flight Computers
  • Black Box & Mission System Cooling
  • Electro‑Optic / Sensor Payload Cooling
  • Navigation & Guidance Module Cooling
Major Customers
  • Anduril
  • Boeing
  • General Atomics
  • Northrop Grumman
Key Programs
  • MQ-1/C
  • MQ-9A/B 
  • MQ-25 Stingray
  • RQ-4 Global Hawk
Missile and Radar

Missile & Radar Systems

Common Applications
  • Guidance Electronics cooling
  • Power Electronics Thermal Control
  • Radar and Seeker electronics
Major Customers
  • Diehl
  • Lockheed Martin
  • Raytheon
Key programs
  • AN/SPY-6
  • AN/TPY-4
  • AN/TPQ-53
  • MIM-104 Patriot
  • THAAD
  • IRIS-T SL
Helicopter

Helicopters

Common Applications
  • Avionics rack cooling
  • Cabin control systems
  • Cockpit and crew ventilation
  • Rack-mounted electronics fans
Major Customers
  • Bell Helicopter
  • Lockheed Martin
  • Mitsubishi
  • Rockwell Collins
  • Sikorsky
  • TAI
Key Programs
  • Bell 407 / 427
  • Bell 525
  • JATAS
  • MH‑60K
  • S‑76D
  • S‑92
Ground Vehicles

Ground Vehicles

Common Applications
  • APU Cooling
  • Communications Systems Cooling
  • Crew ventilation and smoke extraction
  • Engine scavenge and cooling
  • NBC filtration systems
  • Radar and electronics enclosures
Major Customers
  • Aero Sekur
  • AM General
  • BAE
  • Behr
  • General Dynamics
  • Lockheed Martin
  • Panhard
  • Raytheon
  • Rheinmetall
  • United Defense
Key Programs
  • Bradley Fighting Vehicle
  • HMMWV
  • LAV III
  • Leopard II MBT
  • M1 Grizzly Breacher
  • Marder 1A3 IFV
  • Mobile Analytical Lab System
  • Stryker ACV
  • VBL LAV
Naval Applications

Naval Defense

Common Applications
  • Payload Module Control Cooling
  • Power Transformer Cooling
  • Radar and Electronics Enclosures
  • Sonar Array Cooling
Major Customers
  • General Dynamics Electric Boat
  • Leonardo DRS
  • Lockheed Martin
  • Northrop Grumman
  • Raytheon
  • Ultra Electronics
Key Platforms
  • Arleigh Burke‑Class Destroyer
  • Columbia‑Class Submarine
  • Constellation‑Class Frigates
  • Ohio‑Class Submarine
  • San Antonio‑Class Transport Dock
  • Ticonderoga‑Class Cruiser
  • Vanguard‑Class Submarine
  • Virginia‑Class Submarine
APPLICATION EXAMPLES
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.
DC Aximax 2

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.

AC Aximax 2

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.

Aximax

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.

Aximax 3

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. 

Common Apllications
Reliable Solutions for Every Application
AMETEK Rotron delivers reliable cooling solutions engineered to perform consistently across every application, in the harshest aerospace and defense environments to support electronics and avionics cooling.
Electronics Cooling
  • Electro-optical / infrared (EO/IR) sensors
  • Inverter cooling
  • Navigation and guidance systems cooling
  • Nose bay electronics cooling
Critical Systems Cooling
  • Airborne power electronics
  • Avionics Cooling
  • Black box cooling
  • Communication and data-link equipment
  • System computer cooling
Support Systems Cooling
  • Display Electronics cooling
  • LED landing lights cooling
  • On-engine electronics cooling
  • Temperature sensor fans
Rack Cooling
  • Electronics rack cooling
  • Rack avionics cooling
  • Radar Rack Cooling

Contact Us
Contact an application engineer for more information—we’re happy to help you find the right solution.
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