參數(shù)資料
型號(hào)： FREQ2MF/20/10/30/32PF/ATF
廠商： EUROQUARTZ LTD
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 16.1 MHz - 50 MHz
封裝： CERAMIC, HERMETIC SEALED, ULTRA MINIATURE PACKAGE-4
文件頁(yè)數(shù)： 1/1頁(yè)
文件大?。?/td> 54K
代理商： FREQ2MF/20/10/30/32PF/ATF
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk
SURFACE-MOUNT CRYSTALS
Frequency Range
AT-Cut Fundamental:
12MHz to 50.0MHz
AT-Cut 3rd Overtone:
40.0MHz to 100.0MHz
Calibration Tolerance at 25C*:
±10ppm, ±20ppm or ±30ppm
Frequency stability over temp**.
Range -20° to +70°C:
±5ppm, ±10ppm or ±30ppm
Range -30° to +85°C:
±10ppm
Storage Temperature:
-40°~+85°C
Shunt Capacitance (C0):
2pF to4pF typical, 5pF maximum
Load Capacitance (CL):
Series or 10pF to 32pF
(Customer specified CL)
Ageing:
<±3ppm per year at +25°C
Drive level:
100mW max
Reflow Soldering:
10s maximum at 260°C two times
or 180s at 230°C, once.
Holder:
Ceramic base, metal lid,
hermetic seal
Packaging:
16mm EIA tape and reel
3000 pieces per reel
Notes:
* Calibration Tolerance of ±5ppm at 25°C is available
** Tighter tolerance, and lower ESR parameters are available, check with
Euroquartz technical sales.
Ultra miniature size: 6.0mm x 3.5mm x 1.0mm height
Gold-plated ceramic base with metal seam-welded lid
Extremely low ageing
High shock and vibration resistance
Ideal for PDAs, GPS, PCMCIA and hand-held equipment
MF CRYSTALS
6mm x 3.5mm SMD
FEATURES
OUTLINES AND DIMENSIONS
GENERAL SPECIFICATION
DESCRIPTION
MF crystals are ultra-miniature surface-mount mount crystals. Produced
with ceramic substrate and hermetically-sealed metal lid the compact size
and low mass make this an ideal crystal for high-density applications.
Frequency
(MHz)
Crystal Cut
Oscillation Mode
ESR (max)
(Ohms)
OSCILLATION MODE & ESR
12 ~ 16
AT Fund.
80
16.1 ~ 50
AT Fund.
40
40 ~ 67
AT 3rd OT
70
67.0 ~ 100
AT 3rd OT
90
PART NUMBER GENERATION
MF crystal part numbers are derived as follows:
Example:
16.000MHz
MF/ 10/50/10/30pF/ATF
Frequency
Package - MF
Calibration Tolerance at 25°C
(in ±ppm)
Temperature Stability
(in ±ppm)
Operating Temperature Range
(lower figure of
temperature range)
Circuit Condition
(CL in pF or SERIES)
Mode
- ATF (AT-Cut, fund.)
- AT3 (AT-Cut, 3rd overtone)
STOCKHOLDING AND CUSTOM PARTS
Certain frequencies and specification of MF crystals are stocked by
Euroquartz. Custom frequencies and specifications are readily
manufactured to order on short lead times. Contact Euroquartz sales
office for details.
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