1、 MIL-PRF-3098/14G 05 March 2010 SUPERSEDING MIL-PRF-3098/14F 19 December 2003 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR33/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 30 MHz; third mechanical overtone; noncontrolled; anti-resonance. FIGURE 1. Crystal unit - CR33/U. AMSC N/A FSC 5955 INCH POUND Copyright Communications - Electronics Command Provided by IHS under licens
3、e with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/14G 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. FIG
4、URE 1. Crystal unit - CR33/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 .141
5、 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-3098/14G 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency r
6、ange: 10 MHz to 30 MHz, inclusive. Capacitance, shunt: 12 pF, maximum. Frequency tolerance: 50 parts per million (ppm). Equivalent resistance: See table I. Antiresonance, load capacitance: 32.0 pF 0.5 pF. Mode of oscillation: Third mechanical overtone. Rated drive level: 1.0 mW, maximum. Calibration
7、 values: Resistance: 25 1 ohms. Resistor voltage drop: 0.25 volt. Temperature range: Operating (noncontrolled): -55C to +105C, inclusive. Shock (specified pulse): Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Thermal shock: Frequency change permitted: 10 ppm.
8、 Equivalent resistance change permitted: 10 percent. Vibration: Method 201 of MIL-STD-202. Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Low temperature storage: Resistance: See table I. Copyright Communications - Electronics Command Provided by IHS under lic
9、ense with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/14G 4 Temperature run: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. TABLE I. Equivalent resistance. Part o
10、r Identifying Number (PIN): CR33/U (followed by specified frequency), see 1.2 of MIL-PRF-3098. 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 lines to indicate where changes from the p
11、revious 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 content irrespective of the marginal notati
12、ons and relationship to the last previous issue. Frequency range, inclusive Maximum resistance MHz 10.0 to 11.0 11.0+ to 12.0 12.0+ to 13.0 13.0+ to 14.0 14.0+ to 15.0 15.0+ to 16.0 16.0+ to 17.0 17.0+ to 18.0 18.0+ to 18.5 18.5+ to 19.0 19.0+ to 19.5 19.5+ to 20.0 20.0+ to 20.5 20.5+ to 21.0 21.0+
13、to 21.5 21.5+ to 22.0 22.0+ to 22.5 22.5+ to 23.0 23.0+ to 23.5 23.5+ to 24.0 24.0+ to 24.5 24.5+ to 25.0 25.5+ to 30.0 Ohms 65 60 55 50 45 41 38 36 34 32 30 28 26 25 24 23 22 21 20 19 18 17 15 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo rep
14、roduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/14G 5 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2009-028) Army - AR, MI Navy - AS, MC, SH Air Force - 17, 19 NOTE: The activities l
15、isted 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-,-,-
