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Teledyne Space
With over forty years of supplying High Reliability (Hi-Rel) electromechanical relays (EMR) and RF
Coaxial Switches for space applications Teledyne Relays has developed a High Reliability Program
that provides the flexibility of ordering products within a structured and standardized approach. The
High Reliability Program for relays is defined in the TR-HIREL-1 Specifications, which consist of a
series of documents which define the performance and quality assurance provisions that govern
Teledyne Relays’ high reliability designs. For RF Coaxial Switch requirements we have developed the
General Specification for High Reliability RF Coax Switches, a predefined Source Control Drawing
for the procurement of RF switches to be used in space applications. As with the TR-HIREL-1 this
document fully defines the requirements for test and inspection, providing detailed information on test
methodology and inspection criteria.
Echostar
The features and benefits of Teledyne Relays’ TR-HIREL-1 Program is that it employs the test
methods and inspection criteria in a format compliant to current industry standards for the acquisition
of High Reliability Switching Solutions, namely, NASA/GSFC S-311-P-754, NASA EEE-INST-002
and ESA/SCC 3601 and 3602 Specifications. The TR-HIREL-1 contains various tables that list the
Specifications under Configuration Control applicable to European Space Agency (ESA)and
NASA/Goddard Space Flight Center requirements. The TR-HIREL-1 Specification Program contains
test protocols that have been used extensively in High Reliability applications and fully define:
configuration, limits, environmental profiles, life cycle expectations, and other key characteristics with
the understanding of their impact on performance and associated reliability.
Hylas 1
Hylas 2
Page 2 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE © 2013 Teledyne Relays