1、 MIL-PRF-3098/32G 05 March 2010 SUPERSEDING MIL-PRF-3098/32F 19 December 2003 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR54/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: 50 MHz to125 MHz; fifth mechanical overtone; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR54/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-3098/32G 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 - CR54/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-3098/32G 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency
6、 range: 50 MHz to 125 MHz, inclusive. Capacitance, shunt: 7 pF, maximum. Frequency tolerance: 50 parts per million (ppm). Equivalent resistance: 50 MHz to 90 MHz: 50 ohms, maximum. 90+ MHz to 125 MHz: 60 ohms, maximum. Mode of oscillation: Fifth mechanical overtone. Temperature range: Operating (non
7、controlled): -55C to +105C, inclusive. Calibration values: Resistance: 60 ohms. Voltage drop: 0.35 volt. 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 MI
8、L-STD-202. Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Temperature run: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. Copyright Communications - Electronics Command Provided
9、by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/32G 4 Part or Identifying Number (PIN): CR54/U (followed by specified frequency), see 1.2 of MIL-PRF-3098. Referenced documents. In addition to MIL-PRF-3098, this document re
10、ferences 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 Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders a
11、nd 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. Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air force - 85 Agent: DLA - CC DLA - CC Review acti
12、vities: (Project 5955-2009-045) Army - AR, MI Navy - AS, MC, SH 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-,-,-
