參數(shù)資料
型號： 16.000MHZ49USMXL/30/30/-10+60/30PF/ATF
廠商： EUROQUARTZ LTD
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 16 MHz
封裝： ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELDED, SMD, 2 PIN
文件頁數(shù)： 1/1頁
文件大?。?/td> 59K
代理商： 16.000MHZ49USMXL/30/30/-10+60/30PF/ATF
EUROQUARTZ
49USMX CRYSTALS
DESCRIPTION
49USMX crystals are low profile surface mount crystals that have the
same footprint as standard HC49 or HC49-4H crystals. 49USMD
crystals are ideal for use in low cost, mass-market applications. The
crystal may also be specified with close tolerances when required.
OUTLINE & DIMENSIONS
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk www.euroquartz.co.uk
49SMD Standard and Low Profile
Frequency Range:
3.2MHz to 70MHz
Calibration Tolerance:
±30ppm at 25°C standard
±10ppm available
Frequency Stability over Temp.
AT-Cut:
±30ppm over -10° ~ +60°*
BT-Cut:
±100ppm over -10° ~ +60°C*
Operating Temperature Range:
-10° ~ +60°C to -40° ~ +85°C
Shunt Capacitance (C0):
4pf typical, 7pF maximum
Load Capacitance (CL):
Series or from 8pF to 32pF
()
Ageing:
±3ppm maximum in first year
±1ppm per year thereafter
(Ta = 25°C, drive 100 W)
Drive Level:
100 W typical, 500 W maximum
Reflow Soldering:
260°C, 10s maximum
Holder:
Hermetic seal, resistance weld
Packaging:
EIA 24mm tape and reel
1000 pieces per reel
RoHS Status:
Compliant
*
Customer specified
Closer tolerances may be specified
mm
SPECIFICATION
Low cost crystal for mass market applications
Surface mount version of HC49-4H crystal
Comprehensive stockholding of standard frequencies
Customized parts readily available
Industry-standard package
Low-profile versions available
FEATURES
Frequency
Range
(MHz)
Crystal Cut
&
Oscillation Mode
3.2~3.4
AT Fund.
300
3.5~4.0
AT Fund.
150
4.1~4.9
AT Fund.
120
5.0~5.9
AT Fund.
100
6.0~8.9
AT Fund.
80
9.0~9.9
AT Fund.
60
10.0~12.9
AT Fund.
50
13.0~24.0
AT Fund.
45
24.1~30.0
AT Fund.
40
24.0~48.0
BT Fund.
40
27.0~30.0
AT 3rd OT
150
30.0~50.0
AT 3rd OT
100
50.1~70.0
AT 3rd OT
80
Max.
ESR
(Ohms)
PART NUMBERING
49USMX part numbers are derived as follows:
Example:
16.000MHz 49USMX/30/50/-20+70/30pF/ATF
Nominal Frequency
Holder Style & Height
49USMX = 4.2mm
49USMXL = 3.2mm
49USMX25 = 2.5mm
Calibration Tolerance at 25°C
±ppm
Temperature Stability
(Over Operating Temperature Range)
±ppm
Operating Temperature Range
°C, lower and upper figure
(May also be shown as lower figure only)
Circuit Condition
SR = Series Resonant
Or 8pF to 32pF
Operating Mode
ATF = AT-Cut, Fundamental
BTF = BT-Cut Fundamental
AT3 = AT-Cut 3rd Overtone
* If required the maximum ESR may be specified,
in which case use the suffix ‘/R40’ where for
instance a maximum ESR of 40 is required.
W
ESR & OSCILLATION MODE
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