1、 MIL-PRF-3098/30G 05 March 2010 SUPERSEDING MIL-PRF-3098/30F 19 December 2003 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR52/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
2、shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 10 MHz to 61 MHz; third mechanical overtone; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR52/U. AMSC N/A FSC 5955 INCH POUND Copyright Communications - Electronics Command Provided by IHS under lice
3、nse with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/30G 2 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. F
4、IGURE 1. Crystal unit - CR52/U - Continued. Ltr Inches mm Min Max Min Max A - .352 - 8.94 B - .725 - 18.42 C .030 .037 0.76 0.94 D .478 .494 12.14 12.55 E - .757 - 19.23 F .030 .040 0.76 1.02 G .015 .025 0.38 0.64 H - .317 - 8.05 J - .775 - 19.69 K .223 .248 5.66 6.30 L .048 .052 1.22 1.32 M .075 .1
5、41 1.91 3.58 N .015 .025 0.38 0.64 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/30G 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency
6、 range: 10 MHz to 61 MHz, inclusive. Capacitance, shunt: 7 pF, maximum. Frequency tolerance (operating temperature range): 50 parts per million (ppm). Equivalent resistance: 40 ohms, maximum. Mode of oscillation: Third mechanical overtone. Operating temperature range (noncontrolled): -55C to +105C,
7、inclusive. Rated drive level: 1.0 mW, maximum. Resonance: Series. 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 percen
8、t. Temperature run: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm Part or Identifying Number (PIN): CR52/U (followed by specified frequency), see 1.2 of MIL-PRF-3098. Copyright Communications - Electronics Command Prov
9、ided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/30G 4 Referenced documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202. The margins of this specification are marked with vertical
10、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 inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire c
11、ontent irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2009-044) Army - AR, MI Navy - AS, MC, SH Air Force - 19, 84 NOTE: The act
12、ivities 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-,-,-
