Model: CR-1A/AR7.277780MHZ

Quartz Crystal Unit

Properties:

Overall Length
Between 1.750 inches and 1.940 inches
Terminal Length
Between 0.595 inches and 0.655 inches
Overall Width
Between 1.090 inches and 1.170 inches
Body Length
Between 1.155 inches and 1.285 inches
Overall Thickness
Between 0.380 inches and 0.460 inches
Terminal Diameter
Between 0.120 inches and 0.130 inches
Mode Of Oscillation
Fundamental
Circuit Resonance
Antiresonance
Load Capacitance In Picofarads
Between 34.5 and 35.5
Specified Frequency
7.27778 megahertz
Holder Cover Material
Plastic
Operating Tempurature Range
-55.0/+90.0 degrees celsius
Center To Center Distance Between Terminals
0.495 mils and 0.505 centimeters
Drive Level Rating
30.0 milliwatts
Frequency Tolerance For Operating Tempurature In Percent
-0.020/+0.020
Equivalent Resistance Value In Ohms
50.0
Style Designator
Rectangular body, pin terminals
Test Data Document
81349-mil-c-16 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.).
Specification Data
81349-mil-c-16 government specification
NSN
5955-00-851-7570
Part Number
CR-1A/AR7.277780MHZ
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-1A/AR7.277780MHZ NSN 5955-00-851-7570

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

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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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