1、 INCH-POUND AMSC N/A FSC 5955 MIL-PRF-3098/105H 6 March 2013 SUPERSEDING MIL-PRF-3098/105G 16 January 2006 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR103/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring
2、 the product described herein shall consist of this specification and MIL-PRF-3098. Pertinent characteristics: 17 MHz to 61 MHz; third mechanical overtone; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR103/U. Provided by IHSNot for ResaleNo reproduction or networking permitted without
3、license from IHS-,-,-MIL-PRF-3098/105H 2 Ltr Inches mm Min Max Min Max A - .420 - 10.67 B - .326 - 8.28 C - .265 - 6.73 D .600 - 15.24 - E .016 .020 .406 .508 F .192 .208 4.88 5.28 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking to be in a
4、ccordance with MIL-PRF-3098. FIGURE 1. Type CR103/U, crystal unit - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/105H 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 17 MHz to 61 MHz,
5、inclusive. Frequency tolerances: 25 ppm. Equivalent resistance: 50 ohms, maximum. Mode of oscillation: Third overtone. Operating temperature range (noncontrolled): -55C to +105C, inclusive. Rated drive level: 1.0 mW, maximum. Resonance: Series. Capacitance, shunt: 7 pF, maximum. Shock (specified pul
6、se): Frequency change permitted: 5 ppm. Equivalent-resistance change permitted: 10 percent. Thermal shock: Frequency change permitted: 5 ppm. Equivalent-resistance change permitted: 10 percent. Vibration: Method 204, MIL-STD-202, test condition B. Frequency change permitted: 5 ppm. Equivalent-resist
7、ance change permitted: 10 percent. Aging: Frequency change permitted: 2.5 ppm. Reference documents. In addition to 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 issu
8、e 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 the requirements of this document based on the entire content irrespective of the marginal notations and rela
9、tionship to the last previous issue. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/105H 4 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 85 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2012-016)
10、Army - AR, MI, SM Navy - AS, CG, MC, OS, SH Air Force - 19, 99 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.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-