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20.001MHZMT/30/10/-20+70/12PF/60R PDF预览

20.001MHZMT/30/10/-20+70/12PF/60R

更新时间: 2024-11-24 05:51:19
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EUROQUARTZ /
页数 文件大小 规格书
1页 100K
描述
Parallel - Fundamental Quartz Crystal, 20.001MHz Nom, ROHS COMPLIANT, ULTRA-MINIATURE, SMD, 4 PIN

20.001MHZMT/30/10/-20+70/12PF/60R 数据手册

  
QUARTZ  
MT CRYSTALS  
EURO  
3.2 x 2.5 x 0.7mm SMD  
12.0MHz to 60MHz  
FEATURES  
Frequency range 12MHz to 60MHz, fundamental mode  
Ultra-small package 3.2mm x 2.5mm x 0.6mm  
Entire package may be grounded via metal lid and two pads  
Packaged in standard EIA tape and reel  
Extremely low ageing with high shock and vibration resistance  
Ideal for PDAs, hand-held GPS, PCMCIA etc.  
DESCRIPTION  
OUTLINE & DIMENSIONS  
MT crystals are ultra-miniature AT-cut crystals covering the frequency  
range 12MHz to 60MHz 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:  
Operating Mode:  
Calibration Tolerance at 25ºC*:  
12.0MHz to 60.0MHz  
AT-Cut Fundamental:  
from ±5ppm  
(±10, ±20 or ±30ppm standard)  
Frequency stability*  
-10° to +60°C  
from ±5ppm  
-20° to +70°C  
from ±10ppm  
-40° to +85°C  
from ±15ppm  
Operating Temperature Range:  
Storage Temperature:  
Equivalent Series Resistance*  
From 0° ~ +50°C to -40° ~+85°C  
-50°~+105°C  
12.000MHz to 20.000MHz: 100Ω maximum  
20.001MHz to 60.000MHz: 60Ω maximum  
Shunt Capacitance (C0):  
Load Capacitance (CL):  
2pF to 4pF typical, 5pF maximum  
Series or from 8pF to 32pF  
(Customer specified CL)  
Ageing:  
Drive level:  
Reflow Soldering:  
<±3ppm per year at +25°C  
10µW typical, 100µW maximum  
10s maximum at 260°C twice  
or 180s at 230°C, once.  
Packaging:  
12mm EIA tape and reel  
*Note: Tighter stability, tolerance and lower ESR values are available.  
PART NUMBER GENERATION  
Part numbers for MT crystals are generated as follows:  
STANDARD PART NUMBERS AND SPECIFICATIONS  
Tolerance (±ppm)/  
16.000MHz MT/10/10/-10+60/12pF/80R  
Example:  
Nominal Frequency  
Frequency  
Euroquartz  
CL  
Stability (±ppm)/  
Temp. Range (°C)/  
Max. ESR (Ohms)  
(MHz)  
Part Number  
(pF)  
Package  
Calibration tolerance  
16.0000  
16.3840  
20.0000  
20.5720  
20.9450  
24.5500  
24.5760  
29.4912  
32.0000  
32.7680  
40.0000  
48.0000  
50.0000  
12 MT-16000-12 30/50/-20+70/100R  
12 MT-16384-12 30/50/-20+70/100R  
12 MT-20000-12 30/50/-20+70/100R  
12 MT-20572-12 30/50/-20+70/60R  
12 MT-20945-12 30/50/-20+70/60R  
12 MT-24550-12 30/50/-20+70/60R  
12 MT-24576-12 30/50/-20+70/60R  
12 MT-29491-12 30/50/-20+70/60R  
12 MT-32000-12 30/50/-20+70/60R  
12 MT-32768-12 30/50/-20+70/60R  
12 MT-40000-12 30/50/-20+70/60R  
12 MT-48000-12 30/50/-20+70/60R  
12 MT-50000-12 30/50/-20+70/60R  
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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