Dow-Key Microwave’s Quality Management System is certified to AS9100 for the following: The Design, Manufacture, Inspection, and Test of RF and Microwave Electro-Mechanical Switches, Relays, and Switch Matrices with applications in the Military, Space/Hi-Rel, and Commercial markets.

Dow-Key’s quality system is registered by DEKRA Certification, Inc. for:

  • AS9100

See our certification here.

Dow-Key is an FAA 14 CRF part 21 Part Manufacturing Approval holder. See our letter of approval here.

Dow-Key’s Quality Policy

Dow-Key continuously improves to meet quality and delivery requirements for total customer satisfaction.

Dow-Key is dedicated to the achievement of customer satisfaction by empowering our employees to continuously improve the quality, cost, and delivery of our products and services.

Soldering and Workmanship Standards

Dow-Key is compliant with the following soldering and workmanship standards:

  • IPC J-STD-001
  • IPC J-STD-001S (For Space Products)
  • IPC-A-610 Class 3
  • NASA-STD 8739.3 (When Required)

On-site Environmental Test Lab

Dow-Key’s full in-house environmental testing facility includes:

  • Vibration and Shock
  • Temperature Chambers
  • Thermal Vacuum Chambers
  • Thermal Shock Chambers
  • High Power Radio Frequency
  • Network Analyzers up to 65 GHz
  • Passive Inter-Modulation (PIM)
  • Multipaction


Dow-Key’s inspection capabilities include:

  • Optical Coordinate-Measuring Machine
  • Coordinate-Measuring Machine
  • X-Ray Florescence Analyzer

Clean Room Capacity

Dow-Key has a clean room facility for Space and Hi-Rel products that includes:

  • Two Class 7 Clean Rooms to ISO 14644-1
  • Class 5 Flow Bench Assemblies


Dow-Key maintains calibration of test and measurement equipment through qualified outside sources and Original Equipment Manufacturers. Calibration standards are traceable to the National Institute of Standards and Technology (NIST).