MIL-PRF-3098/76F
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
Frequency range: 3.6 MHz to 10.0 MHz, inclusive.
Mode of oscillation: Fundamental.
Rated drive level: 1.0 mW, maximum.
Operating temperature range (noncontrolled): -55°C to +90°C, inclusive.
Frequency tolerance: ±50 parts per million (ppm).
Equivalent resistance: See table I.
Antiresonance, load capacitance: 35.0 pF ±0.5 pF.
Shock (specified pulse):
Frequency change permitted: ±5 ppm.
Equivalent resistance change permitted: ±10 percent.
Vibration: Method 201 of MIL-STD-202.
Frequency change permitted: ±5 ppm.
Equivalent resistance change permitted: ±10 percent.
Thermal shock:
Frequency change permitted: ±5 ppm.
Equivalent resistance change permitted: ±10 percent.
TABLE I. Equivalent resistance.
Frequency range,
Maximum
inclusive
resistance
MHz
Ohms
3.6
to 5.5
90
5.5+
to 6.5
60
6.5+
to 7.8
50
7.8+
to 10.0
30
Part or Identifying Number (PIN): For Product Level B, PIN shall be CR25/U or CR25B/U (followed by
specified frequency). For Product Level S, PIN shall be CR25S/U (followed by specified frequency), see
1.2 of MIL-PRF-3098.
2
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