1、 INCH-POUND AMSC N/A FSC 5955 MIL-PRF-3098/88H 6 March 2013 SUPERSEDING MIL-PRF-3098/88G 16 January 2006 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR112/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: 5 MHz to 20 MHz; fundamental; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR112/U. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
3、,-,-MIL-PRF-3098/88H 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 only. 3. Mark
4、ing to be in accordance with MIL-PRF-3098. FIGURE 1. Type CR112/U, crystal unit - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/88H 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 5 MHz
5、 to 20 MHz, inclusive. Capacitance, shunt: 7 pF, maximum. Rated drive level: 1.0 mW, maximum. Frequency tolerance: Operating temperature range: 25 ppm. Equivalent resistance: Frequency range, inclusive Maximum resistance MHz Ohms 5 to 7 50 7+ to 10 30 10+ to 15 25 15+ to 20 20 Mode of oscillation: F
6、undamental. Operating temperature range (noncontrolled): -55C to +105C, inclusive. Shock (specified pulse): Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration: Method 201, MIL-STD-202. Frequency change permitted: 5 ppm. Equivalent resistance change permi
7、tted: 10 percent. Thermal shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. NOTE: This crystal unit is identical to CR60A/U, except for the tighter frequency tolerance of 25 ppm. Reference documents. In addition to
8、 MIL-PRF-3098, this document references the following: MIL-STD-202 The margins of this specification sheet 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 inaccu
9、racies 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without
10、license from IHS-,-,-MIL-PRF-3098/88H 4 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 85 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2012-009) Army - AR, MI, SM Navy - AS, CG, MC, OS, SH Air Force - 19, 84, 99 NOTE: The activities listed above were intereste
11、d 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-,-,-
