1、 MIL-PRF-3098/76F 11 July, 2011 SUPERSEDING MIL-PRF-3098/76E 12 January 2005 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR1/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein sh
2、all consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 3.6 MHz to 10 MHz; fundamental; noncontrolled; antiresonance. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The pin undercut may be omitted. 4. Marking to be in
3、 accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR1/U. AMSC N/A FSC 5955 Ltr Inches mm Min Max Min Max A - 1.125 - 28.58 B - .460 - 11.68 C - 1.170 - 29.72 D .490 .510 12.45 12.95 E - 1.282 - 32.56 F .625 .655 15.88 16.64 G - .411 - 10.44 H .568 .588 14.43 14.94 J .123 .127 3.12 3.23 K .091
4、095 2.31 2.41 INCH POUND Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/76F 2 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 3
5、6 MHz to 10.0 MHz, inclusive. Mode of oscillation: Fundamental. Rated drive level: 1.0 mW, maximum. Operating temperature range (noncontrolled): -55C to +90C, inclusive. Frequency tolerance: 50 parts per million (ppm). Equivalent resistance: See table I. Antiresonance, load capacitance: 35.0 pF 0.5
6、 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. Equivale
7、nt resistance change permitted: 10 percent. TABLE I. Equivalent resistance. 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. F
8、requency range, inclusive Maximum resistance MHz 3.6 to 5.5 5.5+ to 6.5 6.5+ to 7.8 7.8+ to 10.0 Ohms 90 60 50 30 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/76F
9、3 Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-PRF-202 The 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 liab
10、ility 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. Custodians: Preparing activity: Army - CR Army
11、 - CR Navy - EC Air Force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2011-001) Army - AR, MI Navy - AS, CG, MC Air Force - 19, 84 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.daps.dla.mil. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
