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MIL-PRF-38534 Class K Capabilities

API Technologies: A Premier Provider of Space-Level Qualified Products & Solutions

The MIL-PRF-38534 Class K certifications of our Marlborough, Massachusetts and Great Yarmouth, UK facilities, as well as our ESA 5010 Milton Keynes, UK facility provide evidence that API Technologies can satisfy the most stringent quality assurance requirements demanded by the worlds' tier-one space contractors.

Manufacturers of devices meeting MIL-PRF 38534 Class K requirements are fully certified and qualified in accordance with standards pertaining to inspection flow, the screening flow, conformance inspection and periodic inspection flow, in addition to many other conformance process inspection items. Class K devices shall be also specified over the temperature range of -55°C to +125°C or as specified in the device specification.

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Did you know?

There are only 15 facilities worldwide with MIL-PRF-38534 Class K certification - two of them are ours.

Learn abour our Class K manufacturing facilities:


Quality Assurance Levels

MIL-PRF-38534 has five quality assurance levels which, listed from highest to lowest, are:

  • Class K - Highest reliability level, specified for space
  • Class H - Standard Military Quality Level
  • Class G - Lower version of the Military quality level
  • Class E - Devices based on class K, H or G with exceptions to the class requirments.
  • Class D - Vendor Specified Quality Level

The MIL-PRF-38534 Class K Specification

  • Establishes performance requirements for hybrid microcircuits (hybrid integrated circuit), Multi-Chip Modules (MCM) and, similar products
  • Establishes verification and validation requirements to ensure that products meet the applicable performance requirements.
  • Allows API the flexibility to implement best commercial practices while still providing a quality product which meets performance needs.

Our Space Products:

API is a designer and manufacturer of RF/microwave and hybrid components, microwave semiconductors and microelectronic assemblies for space systems, satellites, launch vehicles, and associated support networks.

Microelectronic Hybrid Capabilities for Space:

Power Conversion & Control Products:

SAW Products:

Standard Products:

For more details, visit our full Space Products listing for details!

Program Involvement:

API Technologies has a rich heritage of space program involvement, from engineering components for use in the Mars Curiosity Rover, and beyond. Visit our space applications page to learn more about our involvement in deep space, scientific missions, launch and recovery vehicles, communications satellites, and more.


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