1、 MIL-PRF-3098/4G 05 March 2010 SUPERSEDING MIL-PRF-3098/4F 19 December 2003 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR19/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 sh
2、all 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 - CR19/U. AMSC N/A FSC 5955 INCH POUND Copyright Communications - Electronics Command Provided by IHS under license with CRAINo
3、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/4G 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. FIGURE 1. Crystal
4、 unit - CR19/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 1.91 3.58 N .
5、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-3098/4G 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 0.8 MHz t
6、o 20 MHz, inclusive. Frequency tolerance: 50 parts per million (ppm). Equivalent resistance: See table I. Mode of oscillation: Fundamental. Resonance: Series. Operating temperature range (noncontrolled): -55C to +105C, inclusive. Rated drive level: 1.0 mW, maximum. Capacitance, shunt: 7 pF, maximum.
7、 Shock (specified pulse): Frequency change permitted: 0.8 MHz to 2.0 MHz: 10 ppm 2.0+ MHz to 20 MHz: 5 ppm Equivalent resistance change permitted: 0.8 MHz to 2.0 MHz: 15 percent 2.0+ MHz to 20 MHz: 10 percent Thermal shock: Frequency change permitted: 0.8 MHz to 2.0 MHz: 10 ppm 2.0+ MHz to 20 MHz: 5
8、 ppm Equivalent resistance change permitted: 0.8 MHz to 2.0 MHz: 15 percent 2.0+ MHz to 20 MHz: 10 percent Vibration: Method 201 of MIL-STD-202. Frequency change permitted: 0.8 MHz to 2.0 MHz: 10 ppm 2.0+ MHz to 20 MHz: 5 ppm Equivalent resistance change permitted: 0.8 MHz to 2.0 MHz: 15 percent 2.0
9、 MHz to 20 MHz: 10 percent Low temperature storage: 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-3098/4G 4 Temperature run: Frequency change p
10、ermitted: 0.8 MHz to 2.0 MHz: 10 ppm 2.0+ MHz to 20 MHz: 5 ppm Equivalent resistance change permitted: 0.8 MHz to 2.0 MHz: 15 percent 2.0+ MHz to 20 MHz: 10 percent Aging: Frequency change permitted: 5 ppm. TABLE I. Equivalent resistance. Part or Identifying Number (PIN): CR19/U (followed by specifi
11、ed 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 previous issue were made. This was done as a convenience
12、 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 previous issue. Freque
13、ncy range, inclusive Maximum resistance Frequency range, inclusive Maximum resistance 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 Ohms 520 480 440 400 380 340 300 280 250 22
14、0 190 170 MHz 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 10.00 10.00+ to 15.00 15.00+ to 20.00 Ohms 150 130 90 70 52 45 37 25 20 18 15 Copyright Communications - Electronics Command Provided by IHS under license with CRAIN
15、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/4G 5 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2009-023) Army - AR, MI Navy - AS, MC, SH Air Force - 17, 19, 84
16、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-,-,-
