R404.522.000 N Termination Plug Manufactured by Radiall

A coaxial termination is intended to terminate a coaxial transmission in its characteristic impedance. It is supposed todissipate the whole R.F. incident power; heat transfer is done by conduction or convection cooling.II GENERAL SPECIFICATIONSIn general, RADIALL terminations are designed in accordance with MIL and NF standards." TECHNOLOGYCoaxial terminations can be classified technically into 3 main types depending upon the resistiveelement used.D High frequency and low power terminations use Tantalum nitride thin film deposits onAlumina substrates.D High frequency and medium power RADIALL terminations use Tantalum Nitride thin filmdeposits on Aluminium Nitride substrates.D High power RADIALL terminations use Ruthenium Oxide thick film circuits printed on aluminasubstrates sticked to a sole of aluminium nitride as a cooling sink.RADIALL has decided to remove Beryllium material from its whole range of medium and highpower terminations. Indeed, Beryllium oxide dust is highly toxic when scribing or machining orlaser trimming. RADIALL has replaced this material by aluminium nitride which has excellentheat conductive properties and is absolutely safe for the environment." MECHANICAL CHARACTERISTICS, MATERIALS AND FINISHESAll materials and finishes are in accordance with applicable MIL and NF specifications.All connectors used in our terminations are in accordance with applicableMIL DIN NF and CEIspecifications.All dimensions in this catalogue are given in inches and (millimeters). The non-specified dimensionsare given within | 0.5 mm." MANUFACTURING AND QUALITY ASSURANCEThin film and thick film circuits of RADIALL terminations are produced in-house, in class 10000clean rooms, using advanced processing technologies. Ourmicroelectronic laboratory uses atightly controlled and highly repeatable process, necessary to achieve consistent microwaveperformances.RADIALLmaintains a state-of-the-art computer aided designed system, a well equipped precisionmachine factory, a modern component assembly area and an extensive collection of RFtest equipments.Specific testing is available upon request.MATERIALS AND FINISHES :Body Passivated Stainless Steel or Brass Nickel platedContact Beryllium Copper Gold plated (UBe2)Heatsink Aluminium black anodizedInsulator P T F E or ULTEM 1000Resistor circuits Tantalium Nitride Thin film on ceramic substratesRuthenium Oxide Thick film on ceramic substratesTantalium Nitride Thin film on Aluminium nitride substratesNon inductive resistorR404 522 500 6 300 DC-18 1.15 1.20 1.25 1.30 50 |5% F

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