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8.000MHZUM-1-3L/20/30/0+50/18PF PDF预览

8.000MHZUM-1-3L/20/30/0+50/18PF

更新时间: 2022-12-01 19:30:25
品牌 Logo 应用领域
EUROQUARTZ /
页数 文件大小 规格书
1页 114K
描述
Parallel - Fundamental Quartz Crystal, 8MHz Nom, UM-1, 3 PIN

8.000MHZUM-1-3L/20/30/0+50/18PF 数据手册

  
QUARTZ  
EURO  
UM-1 and UM-5 Crystals  
O  
General specification for 'UM' family crystals  
Frequency range 1.0MHz to 200MHz  
High-precision crystal ideal for telecoms applications  
High quality resistance weld sealing  
Suitable for reflow soldering  
DESCRIPTION  
OUTLINE & DIMENSIONS  
UM-1 and UM-5 crystals are a long-established design, being widely  
used in telecommunications applications where their compact size  
and ease of producing to close tolerances makes them an ideal  
crystal. In addition to the standard packages a 'Slimline' package is  
also available.  
SPECIFICATION  
Frequency Range  
UM-1  
UM-5  
1.0MHz to 1.2MHz (SL-Cut)  
8.0MHz to 200MHz (AT-Cut)  
12MHz to 200MHz (AT-Cut)  
See table  
Oscillation Mode:  
Calibration Tolerance at 25ºC  
SL-Cut (<1.3MHz):  
AT-Cut (>4.0MHz):  
Frequency Tolerance  
SL-Cut:  
AT-Cut:  
Shunt Capacitance (C0):  
Load Capacitance (CL):  
from ±50ppm  
from ±3ppm  
from ±100ppm -10° to +60°C  
from ±3ppm 0° to +50°C  
4pF typical, 7pF maximum  
Series or from 8pF to 32pF  
(
)
Ageing:  
±2ppm maximum, 1st year,  
±1ppm per year thereafter.  
100mW typical, 500mW maximum  
Resistance-weld hermetic seal  
Bulk pack  
Drive Level:  
Crystal Holder:  
Supply format:  
PART NUMBER GENERATION  
Part numbers for UM-1 crystals are generated as follows:  
16.00MHz UM-1/20/30/-10+60/18pF/60R  
Example:  
A three lead (centre earth lead) package is  
available with the designation UM-1-3L  
Nominal Frequency  
Package  
UM-1 or UM-5  
Calibration tolerance  
at 25°C (±ppm)  
ESR and OSCILLATION MODE  
Temperature Stability  
over temp. range (±ppm)  
Crystal Cut  
Osc. Mode  
ESR  
Ω Max.  
Frequency  
Range MHz  
Operating Temp. Range (°C)  
Load Capacitance  
1.0 ~1.2  
8.0 ~ 8.9  
SL Fund.  
AT Fund.  
AT Fund.  
AT Fund.  
AT Fund.  
5k  
80  
60  
40  
25  
40  
80  
9.0 ~ 10.9  
11.0 ~ 12.9  
13.0 ~ 45.0  
50.1 ~ 100.0 AT 3rd OT  
80.0 ~ 200.0 AT 5th OT  
Equivalent Series Resistance  
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE  
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 sales@euroquartz.co.uk  
www.euroquartz.co.uk  

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