MIL-PRF-3098/21H
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
Frequency range: 90 kHz to 250 kHz, inclusive.
Capacitance, shunt: See table I.
Frequency tolerance:
Operating temperature range: ±30 parts per million (ppm).
Frequency stability: ±20 ppm.
Equivalent resistance: 90 kHz to 170 kHz: 4,500 ohms, maximum.
170+ kHz to 250 kHz: 5,000 ohms, maximum.
Mode of oscillation: Fundamental.
Rated drive level: 1.0 mW, maximum.
Antiresonance, load capacitance: 32.0 pF ±0.5 pF.
Temperature ranges:
Operable: -55°C to +70°C, inclusive.
Operating (controlled): +70°C to +80°C, inclusive.
Reference temperature: +75°C ±1°C.
Shock (specified pulse):
Frequency change permitted: +5 ppm, -10 ppm.
Equivalent resistance change permitted: ±15 percent.
Vibration: Method 201 of MIL-STD-202, amplitude 0.015 inch (0.030 inch total excursion).
Frequency change permitted: +5 ppm, -10 ppm.
Equivalent resistance change permitted: ±15 percent.
Thermal shock:
Frequency change permitted: +5 ppm, -10 ppm.
Equivalent resistance change permitted: ±15 percent.
Bond strength: 90 kHz to 170 kHz: 800 grams, minimum.
170+ kHz to 250 kHz: 700 grams, minimum.
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