1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-3098/67F 7 January 2010 SUPERSEDING MIL-PRF-3098/67E 12 January 2005 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR89/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 sheet and MIL-PRF-3098. Pertinent characteristics: 2.12 MHz to 6.2 MHz; fundamental; noncontrolled; antiresonance. FIGURE 1. Crystal unit - CR89/U. Copyright Communications - Electronics Command Provided by IHS under license with CRAINo
3、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/67F 2 Ltr Inches mm Min Max Min Max A - .567 - 14.40 B - .237 - 6.02 C - .535 - 13.59 D .030 .037 0.76 0.94 E .264 .303 6.71 7.70 F - .207 - 5.26 G - .640 - 16.26 H .233 .248 5.92 6.30 J .015 .025 0.38 0.64
4、 K .165 .175 4.19 4.45 L .038 .042 0.97 1.07 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 accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR89/U - Continued. REQUIREMENTS: Dimensions,
5、marking, and configuration: See figure 1. Frequency range: 2.12 MHz to 6.2 MHz, inclusive. Mode of oscillation: Fundamental. Rated drive level: 1.0 mW maximum. Operating temperature range (noncontrolled): -55C to +90C, inclusive. Frequency tolerance: 50 ppm, Equivalent resistance: See table I. Antir
6、esonance, load capacitance: 30.0 pF 0.5 pF. Capacitance, shunt: 7.0 pF, maximum. Shock (specified pulse): Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 15 percent. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo repr
7、oduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/67F 3 Vibration: Method 201 of MIL-STD-202. Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 15 percent. Frequency and equivalent resistance: Frequency change permitted: 5 ppm. Equivalent resistance
8、change permitted: 15 percent. TABLE I. Equivalent resistance. Frequency range, inclusive MHz Maximum resistance Ohms 2.10 to 2.25 2.25+ to 2.80 2.80+ to 3.41 3.41+ to 4.10 4.10+ to 5.10 5.10+ to 6.20 500 320 250 180 120 75 Part or Identifying Number (PIN): CR89/U (followed by specified frequency), s
9、ee 1.2 of MIL-PRF-3098. Reference documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-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 Gove
10、rnment 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 previous issue. Copyright Communications
11、 - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/67F 4 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2
12、009-073) Army - MI 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-,-,-
