Model: CR-18A/U6.644444MHZ

Quartz Crystal Unit

Properties:

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
6.644444 megahertz
Holder Cover Material
Metal
Operating Tempurature Range
-55.0/+105.0 degrees celsius
Center To Center Distance Between Terminals
0.478 mils and 0.496 centimeters
Drive Level Rating
Between 8.0 milliwatts and 12.0 milliwatts
Frequency Tolerance For Operating Tempurature In Percent
-0.005/+0.005
Equivalent Resistance Value In Ohms
35.0
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.).
NSN
5955-00-968-7869
Part Number
CR-18A/U6.644444MHZ
Description
Crystal Unit,quartz
CAGE
81349

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

Part CR-18A/U6.644444MHZ NSN 5955-00-968-7869

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00196
FIIG:
A059A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8541900000
  • SITC: 77688
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Diode, transistor & similar semiconductor device parts

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