Model: K312-4

Quartz Crystal Unit

Properties:

Overall Length
0.260 inches
Terminal Length
1.000 inches
Diameter
0.335 inches
Overall Diameter
0.380 inches
Terminal Diameter
Between 0.160 inches and 0.190 inches
Mode Of Oscillation
Fundamental
Circuit Resonance
Series resonance
Specified Frequency
19.670 megahertz
Holder Cover Material
Metal
Operating Tempurature Range
-55.0/+105.0 degrees celsius
Center To Center Distance Between Terminals
0.193 mils and 0.207 centimeters
Drive Level Rating
5.0 milliwatts
Frequency Tolerance For Operating Tempurature In Percent
-0.005/+0.005
Equivalent Resistance Value In Ohms
20.0
Style Designator
Hat type, 3 wire leads
Test Data Document
94756-448-0035 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
NSN
5955-00-247-1439
Part Number
K312-4
Description
Crystal Unit,quartz
CAGE
71034

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

Part K312-4 NSN 5955-00-247-1439

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:
72D
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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