參數(shù)資料
型號(hào)： FREQX22/20/10/-10+60/SR/100R
廠商： EUROQUARTZ LTD
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 16 MHz - 21 MHz
封裝： ROHS COMPLIANT, ULTRA-MINIATURE, SMD, 4 PIN
文件頁數(shù)： 1/1頁
文件大?。?/td> 91K
代理商： FREQX22/20/10/-10+60/SR/100R
EURO QUARTZ
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk
2.5 x 2.0 x 0.6mm SMD
DESCRIPTION
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.
Frequency range 16MHz to 54MHz, 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.
OUTLINE & DIMENSIONS
Frequency Range
AT-Cut Fundamental:
16.0MHz to 54.0MHz
Calibration Tolerance at 25C:
±10ppm, ±20ppm, ±30ppm
Frequency stability
-10° to +60°C
from ±10ppm (±5ppm available)
-20° to +70°C
from ±10ppm
-40° to +85°C
from ±15ppm
Storage Temperature:
-50°~+105°C
Equivalent Series Resistance:
See table
Shunt Capacitance (C0):
2pF to 4pF typical, 5pF maximum
Load Capacitance (CL):
Series or from 9pF to 32pF
Ageing:
<±2ppm per year at +25°C
Drive level:
50 microWatt, 100 microW max.
Reflow Soldering:
10s maximum at 260°C twice
or 180s at 230°C, once.
Packaging:
EIA tape and reel
SPECIFICATION
EQUIVALENT SERIES RESISTANCE
PART NUMBER GENERATION
Part numbers for MT crystals are generated as follows:
20.000MHz X22/10/30/-10+60/12pF/100R
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
(When special value is required)
X22 CRYSTALS
16.0~21.0
100
21.0~26.0
80
26.1~54.0
60
Frequency
Range MHz
ESR
Ohms Max.
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