MC18A55A3

View detailed technical data, stock status, and sourcing information for: MC18A55A3

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MC18A55A3
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5955 Oscillators and Piezoelectric Crystals
National Stock Number
5955-00-890-9487
Item Name Code
00196
Assigment Date
04/19/1968 (58 years ago)

0.394 inches minimum and 0.401 inches maximum body width, 0.530 inches maximum overall length, 0.435 inches maximum overall width, 0.144 inches minimum and 0.149 inches maximum body thickness, 1.500 inches minimum and 1.525 inches maximum terminal length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length
0.530 inches maximum
Terminal Length
1.500 inches minimum and 1.525 inches maximum
Overall Width
0.435 inches maximum
Body Width
0.394 inches minimum and 0.401 inches maximum
Body Thickness
0.144 inches minimum and 0.149 inches maximum
Overall Thickness
0.183 inches maximum
Terminal Diameter
0.016 inches minimum and 0.019 inches maximum
Mode Of Oscillation
third overtone and fifth overtone
Circuit Resonance
series resonance
Shunt Capacitance In Picofarads
7.0 maximum
Specified Frequency
51.700 megahertz
Center To Center Distance Between Terminals
0.184 inches minimum and 0.200 inches maximum
Operating Temp Range
-15.0 to 85.0 celsius
Drive Level Rating
1.6 milliwatts minimum and 2.4 milliwatts maximum
Frequency Tolerance For Operating Temp In Percent
-0.005 to 0.005 and -0.0010 to 0.0010
Equivalent Resistance Value In Ohms
35.0 nominal
Material
glass cover, holder
Style Designator
rectangular body, gull wing

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
1710130-1 Quartz Crystal Unit
MC18A55A3 Quartz Crystal Unit

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5955-00-890-9487?
The FSCG of the NSN 5955-00-890-9487 is 5955
Does the NSN 5955-00-890-9487 have a Schedule B code assigned?
Yes, the Schedule B code is 8541900000
Does NSN 5955-00-890-9487 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 5955-00-890-9487 contain precious materials?
Item does not contain precious metal.
Does NSN 5955-00-890-9487 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5955-00-890-9487 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, Apr 19, 1968

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