Military/Aerospace Crystal Units

At Xsis, we specialize in the design and manufacturing of High Reliability Crystal Units for Military, Space, Industrial and Telecommunication Applications. Xsis is on the Qualified Products List (QPL) for MIL-PRF-3098 Military Crystal Units.

Xsis Electronics can meet your surface mount Crystal requirements. We can also provide equivalent surface mount Crystal Units to meet your system needs. Some of our standard surface mount Crystal Units are shown in the table below. Please e-mail or call us to let us know your requirements.

Complete in-house environmental and electrical testing capabilities enable us to provide full qualification and reliability assurance processing for the most demanding requirements. Exceptionally good frequency aging characteristics are achieved by the use of precision quartz crystals manufactured using in-house proprietary processes developed and improved with 45+ years of experience.

MILITARY / AEROSPACE CRYSTAL UNITS

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Type Number	Oscillation Mode	Frequency Range	Package Outline
XCR7x - 1	Fundamental	14.0 MHz - 40.0 MHz	5 x 7 mm 4 Leads/Pads
XCR7x - 3	3rd Overtone	40.0 MHz - 150.0 MHz
XCR7x - 5	5th Overtone	75.0 MHz - 200.0 MHz
XCR4x - 1	Fundamental	8.0 MHz - 40.0 MHz	7 x 9 mm 4 Leads
XCR4x - 3	3rd Overtone	40.0 MHz - 150.0 MHz
XCR4x - 5	5th Overtone	75.0 MHz - 200.0 MHz
XCR35x - 1	Fundamental	6.4 MHz - 40.0 MHz	Cold Welded TO-5 Package 4 Pins
XCR35x - 3	3rd Overtone	40.0 MHz - 150.0 MHz
XCR35x - 5	5th Overtone	75.0 MHz - 200.0 MHz
XCR49x - 1	Fundamental	2.9 MHz - 30.0 MHz	HC49/U and HC50/U Package 2 Pins
XCR49x - 3	3rd Overtone	15.0 MHz - 90.0 MHz
XCR49x - 5	5th Overtone	40.0 MHz - 150.0 MHz
XCR49SH - 1	Fundamental	5.0 MHz - 30.0 MHz	HC49/US Low Profile Package 2 Pins
XCR49SH - 3	3rd Overtone	25.0 MHz - 90.0 MHz	HC49/US Low Profile Package 2 Pins
XCR52x - 1	Fundamental	6.4 MHz - 30.0 MHz	HC52/U Package 2 Pins
XCR52x - 3	3rd Overtone	25.0 MHz - 90.0 MHz
XCR52x - 5	5th Overtone	40.0 MHz - 150.0 MHz