MIL-PRF-3098/122E
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
Frequency range: 48.0 MHz to 90 MHz, inclusive.
Frequency tolerance:
Primary operating temperature range: ±25 ppm.
Secondary operating temperature range: ±45 ppm.
Equivalent resistance: 50 ohms.
Mode of oscillator: Fifth mechanical overtone.
Operating temperature ranges:
Primary: -30°C to ±55°C, inclusive.
Secondary: -55°C to -30°C and +55°C to +65°C, inclusive.
Rated drive level: 1.0 mW, maximum.
Resonance: Series.
Capacitance, shunt: 7.0 pF, maximum.
Shock:
Frequency change permitted: ±5 ppm.
Equivalent resistance change permitted: ±10 percent.
Vibration: Method 204, MIL-STD-202, test condition A.
Frequency change permitted: ±5 ppm.
Equivalent resistance change permitted: ±10 percent.
Thermal shock:
Frequency change permitted: ±5 ppm.
Equivalent resistance change permitted: ±10 percent.
Aging:
Frequency change permitted: ±5 ppm.
Part or Identifying Number (PIN): For Product Level B, PIN shall be CR141/U or CR141B/U (followed by
specified frequency). For Product Level S, PIN shall be CR141S/U (followed by specified frequency, see
1.2 of MIL-PRF-3098.
Reference documents. In addition to MIL-PRF-3098, this document references the following:
The margins of this specification sheet are marked with vertical lines to indicate where changes from the
previous issue were made. This was done as a convenience only and the Government assumes no
liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to
evaluate the requirements of this document based on the entire content irrespective of the marginal
notations and relationship to the last previous issue.
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