1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-3098/146D 7 January 2010 SUPERSEDING MIL-PRF-3098/146C(CR) 19 December 2003 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR165/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acq
2、uiring the product described herein shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 2.4 MHz to 20 MHz; fundamental; noncontrolled; antiresonance. FIGURE 1. Crystal unit - CR165/U. Copyright Communications - Electronics Command Provided by IHS under license with
3、 CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/146D 2 Ltr Inches mm Min Max Min Max A - .183 - 4.65 B - .440 - 11.18 C - .403 - 10.24 D - .530 - 13.46 E .500 - 12.70 - F .016 .019 0.41 0.48 G - .150 - 3.81 H .184 .200 4.67 5.08 NOTES: 1. Dimensio
4、ns are in inches. 2. Metric equivalents are given for general information only. 3. Corrosion resistant metal plating of the enclosure after resistance welding is permitted. 4. Marking to be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR165/U - Continued. REQUIREMENTS: Dimensions, marki
5、ng, and configuration: See figure 1. Frequency range: 2.4 MHz to 20.0 MHz, inclusive. Frequency tolerance: 50 parts per million (ppm). Equivalent resistance: See table I. TABLE I. Equivalent resistance. Frequency range, inclusive. MHz Maximum resistance Ohms 2.40 to 2.60 2.60+ to 2.90 2.90+ to 3.75
6、3.75+ to 4.75 4.75+ to 6.00 6.00+ to 7.00 7.00+ to 10.00 10.00+ to 20.00 300 250 180 120 75 50 30 25 Mode of oscillation: Fundamental. Operating temperature range (noncontrolled): -55C to +105C, inclusive. Rated drive level: 1.0 mW maximum. Antiresonance: load capacitance: 30 pF 0.5 pF. Copyright Co
7、mmunications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/146D 3 Capacitance, shunt: 2.4 MHz to 4.0 MHz: 1.7 pF minimum to 7.0 pF maximum. 4.0 MHz to 6.0 MHz: 2.7 pF minimum to 7.0 pF maxi
8、mum. 6.0 MHz to 20.0 MHz: 3.7 pF minimum to 7.0 pF maximum. Shock (specified pulse): Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration: Method 204 of MIL-STD-202, test condition A. Frequency change permitted: 5 ppm. Equivalent resistance change permitte
9、d: 10 percent. Temperature cycling: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. Part or Identifying Number (PIN): CR165/U (followed by specified frequency), see 1.2 of MIL-PRF-3098. Reference documents. In addition
10、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 done as a convenience only and the Government assumes no liability whatsoever for any inaccuraci
11、es 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 previous issue. Copyright Communications - Electronics Command Provided by IHS under license with
12、 CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/146D 4 Custodians: Preparing activity: Army - CR Army - CR Air Force - 99 DLA - CC Agent: DLA-CC Review activities: (Project 5955-2009-080) Air Force - 84 NOTE: The activities listed above were inter
13、ested 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-,-,-
