Comparison of RF Terminations with BeO and AlN Substrates

PublishTime：2022-10-21

●Terminations designed to dissipate significant amounts of power at RF frequencies have traditionally been fabricated on beryllium oxide (BeO) substrates. The high thermal conductivity and moderate dielectric constant make BeO an ideal choice for this application. Increased regulation regarding the use of BeO, though, has necessitated the search for alternative materials that do not have the toxicity associated with beryllia. Aluminum Nitride (AlN) has emerged as the best current candidate to replace BeO in these applications. This paper delineates the issues involved and provides two examples of terminations designed to the same specification, one utilizing BeO, and the other AlN.

Brand of Product：	Barry Industries
Part#：	T50R0-150-25Q 、 TA50R0-150-25Q More Part#
Product Category：	RF Terminations More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2011/7/25
Version Number：	Revision: A
Data Encoding：	BAN-ALN-1.1
Data Size：	126 KB

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