1、 INCH-POUND AMSC N/A FSC 5955 MIL-PRF-3098/130E 28 July 2011 SUPERSEDING MIL-PRF-3098/130D 27 July 2005 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR149/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring th
2、e product described herein shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 46 MHz to 100 MHz; fifth mechanical overtone; noncontrolled; series resonance. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Markin
3、g to be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR149/U. 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 .016 .019 0.38 0.48 Copyright Communications - Electronics Command Provid
4、ed by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/130E 2 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 46.0 MHz to 100 MHz, inclusive. Operating temperature range (noncontrolled): Ro
5、om temperature: +25C to +30C, inclusive. Primary operating temperature range: +10C to +25C and +30C to +80C, inclusive. Secondary operating temperature range: -40C to +10C and +80C to +90C, inclusive. Equivalent resistance: 50 ohms. Mode of oscillation: Fifth mechanical overtone. Frequency tolerance
6、: Room temperature: 10 ppm. Primary: 25 ppm. Secondary: 50 ppm. Rated drive level: 1.0 mW, maximum. Resonance: Series. Capacitance, shunt: 6.0 pF +0.5 pF, -1.0 pF. Shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration: Method 204, MIL-STD-202, test c
7、ondition 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: 5 ppm. Part or Identifying Number (PIN): For Product Level B, PI
8、N shall be CR149/U or CR149B/U (followed by specified frequency). For Product Level S, PIN shall be CR149S/U (followed by specified frequency, see 1.2 of MIL-PRF-3098. Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202 Copyright Communications - Ele
9、ctronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/130E 3 The margins of this specification sheet are marked with vertical lines to indicate where changes from the previous issue were made. This was
10、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 the marginal notations and relationship to the last p
11、revious issue. Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2011-010) Army - AR, MI, SM Navy - AS, CG, MC, OS, SH Air Force - 19, 84 NOTE: The activities listed above were interested in this document as of the
12、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-,-,-
