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参数资料
| 型号： | 20.000MHZX22/20/10/-10+60/12PF/120R |
| 厂商： | EUROQUARTZ LTD |
| 元件分类： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 20 MHz |
| 封装： | ROHS COMPLIANT, ULTRA-MINIATURE, SMD, 4 PIN |
| 文件页数： | 1/1页 |
| 文件大小： | 108K |
| 代理商： | 20.000MHZX22/20/10/-10+60/12PF/120R |
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
EURO QUARTZ
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 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.
OUTLINE & DIMENSIONS
Frequency Range
AT-Cut Fundamental:
16.0MHz to 60.0MHz
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 X22 crystals are generated as follows:
20.000MHz X22/10/30/-10+60/12pF/80R
X22 CRYSTALS
16.0~21.0
120
21.0~26.0
80
26.1~60.0
60
Frequency
Range MHz
ESR
Ω Max.
16.0MHz to 60MHz
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)
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