1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-3098/70E 7 August 2009 SUPERSEDING MIL-PRF-3098/70D 17 May 2004 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR95/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the pr
2、oduct described herein shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 2.0 MHz to 9.25 MHz; fundamental; noncontrolled; antiresonance. FIGURE 1. Crystal unit - CR95/U. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
3、MIL-PRF-3098/70E 2 Ltr Inches mm Min Max Min Max A - 1.125 - 28.58 B .490 .510 12.45 12.95 C - 1.170 - 29.72 D - 1.282 - 32.56 E .625 .655 15.88 16.64 F - .411 - 10.44 G .091 .095 2.31 2.41 H .123 .127 3.12 3.23 J - .460 - 11.68 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are give
4、n for general information only. 3. Marking to be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR95/U - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/70E 3 REQUIREMENTS: Dimensions, marking, and configuration: Se
5、e figure 1. Frequency range: 2.0 MHz to 9.25 MHz, inclusive. Mode of oscillation: Fundamental. Rated drive level: 1.0 mW, maximum. Antiresonance, load capacitance: 91.0 pF 0.5 pF. Operating temperature range (noncontrolled): -35C to +75C, inclusive. Frequency tolerance: 50 parts per million (ppm). E
6、quivalent resistance: See table I. Shock (specified pulse): Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 15 percent, or 2 ohms, whichever is greater. Vibration: Method 201 of MIL-STD-202. Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 15 perc
7、ent, or 2 ohms, whichever is greater. Temperature cycling: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 15 percent, or 2 ohms, whichever is greater. Aging: Frequency change permitted: 5 ppm. TABLE I. Equivalent resistance. Frequency range, inclusive Maximum resistance M
8、Hz 2.00 to 4.75 4.75+ to 6.00 6.00+ to 7.50 7.50+ to 10.00 Ohms 120 75 50 35 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/70E 4 Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202 The
9、margins of this specification 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
10、the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 99 (Project 5955-2009-007) DLA - CC Review activities: Air Force - 19, 84 NOTE: T
11、he 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 http:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
