Model: M21B

Quartz Crystal Unit

Properties:

Overall Length
Between 0.400 inches and 0.425 inches
Terminal Length
Between 0.213 inches and 0.248 inches
Overall Width
0.435 inches
Body Width
Between 0.394 inches and 0.401 inches
Body Thickness
Between 0.142 inches and 0.149 inches
Overall Thickness
0.183 inches
Terminal Diameter
Between 0.038 inches and 0.042 inches
Mode Of Oscillation
Third overtone and fifth overtone
Circuit Resonance
Series resonance
Shunt Capacitance In Picofarads
7.0
Specified Frequency
57.520 megahertz
Holder Cover Material
Metal or glass
Operating Tempurature Range
-30.0/+65.0 degrees celsius
End Application
6625-00-247-7347
Center To Center Distance Between Terminals
0.184 mils and 0.200 centimeters
Drive Level Rating
Between 1.6 milliwatts and 2.4 milliwatts
Frequency Tolerance For Operating Tempurature In Percent
-0.002/+0.002 and -0.004/+0.004
Equivalent Resistance Value In Ohms
40.0
Style Designator
Rectangular body, gull wing
NSN
5955-00-738-6322
Part Number
M21B
Description
Crystal Unit,quartz
CAGE
00136

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

Part M21B NSN 5955-00-738-6322

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:
0.1000lbs
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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