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Worldwide distributor of NSN parts and consumables located in the USA.

Quartz Crystal Unit

Model / MPN: CR27AU | NSN: 5955-00-057-2870
ITAR Registered seal

An item which consists of a quartz crystal resonato (s) , suitably mounted in a holder, quartz crystal.

Product Details
NATO Stock Number
5955-00-057-2870
Sold in multiples of
DEMIL
DEMIL/MLI
Overall Length
1.023 inches
Terminal Length
Between 0.223 inches and 0.248 inches
Overall Width
0.757 inches
Body Length
0.775 inches
Body Width
0.725 inches
Body Thickness
0.317 inches
Overall Thickness
0.352 inches
Terminal Diameter
Between 0.048 inches and 0.052 inches
Mode Of Oscillation
Fundamental
Circuit Resonance
Antiresonance
Load Capacitance In Picofarads
Between 31.5 and 32.5
Shunt Capacitance In Picofarads
7.0
Specified Frequency
8.950 megahertz
Frequency Tolerance At Reference Tempurature In Percent
-0.007/+0.007
Frequency Tolerance At Reference Tempurature In Percent
-0.007 to 0.007
Frequency Stability In Percent
-0.0005/+0.0005
Frequency Stability In Percent
-0.0005 to 0.0005
Controlled Reference Temp
75.0 degrees celsius
Operable Tempurature Range
-55.0/+90.0 degrees celsius
Operable Tempurature Range
-55.0 to 90.0 degrees celsius
Holder Cover Material
Metal
Operating Tempurature Range
+70.0/+80.0 degrees celsius
Operating Tempurature Range
+70.0 to 80.0 degrees celsius
Center To Center Distance Between Terminals
0.478 mils and 0.494 centimeters
Center To Center Distance Between Terminals
Between 0.478 inches and 0.494 inches
Drive Level Rating
Between 4.0 milliwatts and 6.0 milliwatts
Frequency Tolerance For Operating Tempurature In Percent
-0.002/+0.002
Frequency Tolerance For Operating Tempurature In Percent
-0.002 to 0.002
Equivalent Resistance Value In Ohms
24.0
Style Designator
Oval body, pin terminals
Test Data Document
81349-milc3098 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Pricing and Availability

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CR27AU Cross Reference
  • CR-27A/U8.950000MHZ
  • MILC3098-9