1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-3098/56H 7 January 2010 SUPERSEDING MIL-PRF-3098/56G 12 January 2005 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR85/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: 0.8 MHz to 20 MHz; fundamental; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR85/U. Copyright Communications - Electronics Command Provided by IHS under license with CRAIN
3、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/56H 2 Ltr Inches mm Min Max Min Max A - .352 - 8.94 B - .725 - 18.41 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
4、.69 K .223 .248 5.66 6.30 L .048 .052 1.22 1.32 M .075 .141 1.91 3.58 N .015 .025 0.38 0.63 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 -
5、 CR85/U - Continued. REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 0.8 MHz to 20 MHz, inclusive. Capacitance, shunt: 7.0 pF, maximum. Frequency tolerances: Primary operating temperature range: 20 parts per million (ppm). Secondary operating temperature range: 3
6、0 ppm. Equivalent resistance: See table I. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/56H 3 TABLE I. Equivalent resistance. Frequency range, inclusive Maximum re
7、sistance MHz 0.80 to 0.85 0.85+ to 0.90 0.90+ to 1.00 1.00+ to 1.12 1.12+ to 1.25 1.25+ to 1.37 1.37+ to 1.50 1.50+ to 1.62 1.62+ to 1.75 1.75+ to 1.87 1.87+ to 2.00 2.00+ to 2.12 2.12+ to 2.25 2.25+ to 2.60 2.60+ to 3.00 3.00+ to 3.40 3.40+ to 3.75 3.75+ to 4.00 4.00+ to 5.00 5.00+ to 7.00 7.00+ to
8、 10.00 10.00+ to 15.00 15.00+ to 20.00 Ohms 520 480 440 400 380 340 300 280 250 220 190 170 150 130 90 70 52 45 37 25 20 18 15 Mode of oscillation: Fundamental. Operating temperature range: Primary operating temperature range: -40C to +90C, inclusive. Secondary operating temperature range: -55C to -
9、40C, and +90C to +105C, inclusive. Drive level, rated: 1.0 mW maximum. Resonance: Series. Capacitance, shunt: 7.0 pF maximum. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P
10、RF-3098/56H 4 Shock (specified pulse): 0.8 MHz to 2.0 MHz 2.0+ MHz to 20.0 MHz Frequency change permitted: 10 ppm 5 ppm Equivalent resistance change permitted: 15 percent 10 percent Vibration: Method 201 of MIL-STD-202, 0.8 MHz to 2.0 MHz 2.0+ MHz to 20.0 MHz Frequency change permitted: 10 ppm 5 ppm
11、 Equivalent resistance change permitted: 15 percent 10 percent Thermal shock: 0.8 MHz to 2.0 MHz 2.0+ MHz to 20.0 MHz Frequency change permitted: 10 ppm 5 ppm Equivalent resistance change permitted: 15 percent 10 percent Aging: Frequency change permitted: 5 ppm. Part or Identifying Number (PIN): CR8
12、5/U (followed by specified frequency), see 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
13、 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 relationship to the last
14、previous issue. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/56H 5 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 99 Agent: DLA - CC DLA
15、 - CC Review activities: (Project 5955-2009-065) 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-,-,-
