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20.000MHZX22/20/5/-10+60/SR/120R PDF预览

20.000MHZX22/20/5/-10+60/SR/120R

更新时间: 2024-11-24 07:41:19
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EUROQUARTZ /
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1页 108K
描述
Series - Fundamental Quartz Crystal, 20MHz Nom, ROHS COMPLIANT, ULTRA-MINIATURE, SMD, 4 PIN

20.000MHZX22/20/5/-10+60/SR/120R 数据手册

  
QUARTZ  
EURO  
X22 CRYSTALS  
16.0MHz to 60MHz  
2.5 x 2.0 x 0.6mm SMD  
Frequency range 16MHz to 60MHz, fundamental mode  
Ultra-miniature package 2.5 x 2.0 x 0.6mm  
Packaged in standard EIA tape and reel  
Ideal for PDAs, hand-held GPS, PCMCIA etc.  
DESCRIPTION  
OUTLINE & DIMENSIONS  
X22 crystals are ultra-miniature AT-cut crystals covering the frequency  
range 16MHz to 54MHz in fundamental mode. Their small size and low  
mass makes these crystals ideal for miniaturized hand-held equipment  
and similar high-density applications.  
SPECIFICATION  
Frequency Range  
AT-Cut Fundamental:  
Calibration Tolerance at 25ºC:  
Frequency stability  
-10° to +60°C  
16.0MHz to 60.0MHz  
±10ppm, ±20ppm, ±30ppm  
from ±10ppm (±5ppm available)  
from ±10ppm  
-20° to +70°C  
-40° to +85°C  
from ±15ppm  
Storage Temperature:  
Equivalent Series Resistance:  
Shunt Capacitance (C0):  
Load Capacitance (CL):  
Ageing:  
-50°~+105°C  
See table  
2pF to 4pF typical, 5pF maximum  
Series or from 9pF to 32pF  
<±2ppm per year at +25°C  
50 microWatt, 100 microW max.  
10s maximum at 260°C twice  
or 180s at 230°C, once.  
EIA tape and reel  
Drive level:  
Reflow Soldering:  
Packaging:  
EQUIVALENT SERIES RESISTANCE  
Frequency  
ESR  
Range MHz  
Ω Max.  
16.0~21.0  
21.0~26.0  
26.1~60.0  
120  
80  
60  
PART NUMBER GENERATION  
Part numbers for X22 crystals are generated as follows:  
20.000MHz X22/10/30/-10+60/12pF/80R  
Example:  
Nominal Frequency  
Package  
Calibration tolerance  
at 25°C (±ppm)  
Temperature Stability  
over temp. range (±ppm)  
Operating Temp. Range (°C)  
(Lower and upper limits)  
Load Capacitance  
(Either SR for series or CL in pF)  
Equivalent Series Resistance  
(Optional - use when special  
value is required)  
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE  
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk  

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