1、 INCH-POUND AMSC N/A FSC 5955 MIL-PRF-3098/84F 6 March 2013 SUPERSEDING MIL-PRF-3098/84E 16 January 2006 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR108/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring t
2、he product described herein shall consist of this specification and MIL-PRF-3098. Pertinent characteristics: 50 MHz to 93 MHz; fifth mechanical overtone; controlled; series resonance. FIGURE 1. Crystal unit - CR108/U. Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
3、se from IHS-,-,-MIL-PRF-3098/84F 2 Ltr Inches mm Min Max Min Max A - .402 - 10.21 B - .183 - 4.65 C - .435 - 11.05 D .184 .200 4.67 5.08 E - .530 - 13.46 F .50 - 12.7 - G - .150 - 3.81 H .015 .019 0.38 0.48 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information o
4、nly. 3. Marking to be in accordance with MIL-PRF-3098. FIGURE 1. Type CR108/U, crystal unit - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/84F 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. 1/ Frequen
5、cy range: 50 MHz to 93 MHz, inclusive. Capacitance, shunt: 5.5 pF, maximum. Frequency stability: 2.5 ppm. Mode of oscillation: Fifth mechanical overtone. Operating temperature range (controlled): +80C to +90C, inclusive. Frequency tolerance: 10 ppm (including frequency stability). Equivalent resista
6、nce: 50 ohms, maximum. Operable temperature range: -55C to +80C and +90C to +105C. Reference temperature: +85C 1C. Rated drive level: 1.0 mW, maximum. Resonance: Series. Shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration high frequency: Method 204
7、, 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: 3 ppm. 1/ These crystal units were previous
8、ly fabricated using Air Force Technical Order 12-1-20 and/or Collins drawing numbers 289-2844 through 2858-00. Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202 The margins of this specification sheet are marked with vertical lines to indicate wher
9、e 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
10、 the marginal notations and relationship to the last previous issue. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/84F 4 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 85 Agent: DLA - CC DLA - CC Review activ
11、ities: (Project 5955-2012-006) Air Force - 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
