參數(shù)資料
型號(hào)： FREQMQ2/5/10/-20+70/SR/40R
廠商： EUROQUARTZ LTD
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 14.1 MHz - 45 MHz
封裝： ROHS COMPLIANT, HERMETIC, MINIATURE, CERAMIC, SMD, 2 PIN
文件頁(yè)數(shù)： 1/1頁(yè)
文件大?。?/td> 241K
代理商： FREQMQ2/5/10/-20+70/SR/40R
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
7 x 5mm SMD, 4 pad or 2 pad
DESCRIPTION
Miniature surface-mount MQ crystals are produced using a ceramic
substrate and fitted with a hermetically-sealed metal lid. The crystals
are competitively priced, well-suited to mass-market electronic
applications and may also be produced to close tolerances making this
crystal a good choice for applications requiring low mass and tight
tolerances. There are two package variants, 4 pad and two pad.
Miniature size: 7.0mm x 5mm x 1.2mm height
Gold-plated ceramic base with metal seam-welded lid
To minimize EMI the whole crystal may be grounded
Tight tolerance of ±10pppm for telecommunications use
High shock and vibration resistance
Ideal for PDAs, GPS, PCMCIA and hand-held equipment
FEATURES
OUTLINE & DIMENSIONS
Frequency Range
AT-Cut Fundamental:
6.0MHz to 45.0MHz
AT-Cut 3rd Overtone:
30.0MHz to 125.0MHz
Calibration Tolerance at 25C*:
from ±5ppm
(±10, ±20 or ±30ppm standard)
Frequency stability
-10° to +60°C
from ±5ppm
-20° to +70°C
from ±10ppm
-40° to +90°C
from ±15ppm
-55 to +125°C
from ±20ppm
Storage Temperature:
-55°~+105°C
Effective Series Resistance:
See table
Shunt Capacitance (C0):
2pF to 4pF typical, 7pF maximum
Load Capacitance (CL):
Series or from 10pF to 32pF
(Customer specified CL)
Ageing:
<±3ppm per year at +25°C
Drive level:
100 mW maximum
Reflow Soldering:
10s maximum, 260°C twice
or 180s at 230°C, once.
Package:
Ceramic base, metal lid,
Hermetic seal
Packaging:
16mm EIA tape and reel
1000 pieces per reel
SPECIFICATION
6.0 ~ 11.0
AT Fund.
60
11.1 ~ 14.0
AT Fund.
50
14.1 ~ 45.0
AT Fund.
40
30.0 ~ 40.0
AT 3rd OT
100
40.1 ~ 50.0
AT 3rd OT
80
50.1 ~ 125
AT 3rd OT
90
Frequency
Range MHz
Crystal Cut/
Mode
ESR
Ohms Max.
EFFECTIVE SERIES RESISTANCE
MQ & MQ2 CRYSTALS
PART NUMBER GENERATION
12.000MHz MQ/20/30/-10+60/18pF/60R
Example:
Nominal Frequency
Package
(MQ = 4 pad, MQ2 = 2 pad
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)
MQ2
MQ
相關(guān)PDF資料
PDF描述
FREQMQ2/5/10/-20+70/SR/60R QUARTZ CRYSTAL RESONATOR, 6 MHz - 11 MHz
FREQMQ/30/5/-10+60/SR/100R QUARTZ CRYSTAL RESONATOR, 30 MHz - 40 MHz
FREQMQ/30/5/-10+60/SR/80R QUARTZ CRYSTAL RESONATOR, 40.1 MHz - 50 MHz
FREQMQ2/10/15/-40+90/18PF/80R QUARTZ CRYSTAL RESONATOR, 40.1 MHz - 50 MHz
FREQMQ/10/20/-55+125/18PF/100R QUARTZ CRYSTAL RESONATOR, 30 MHz - 40 MHz
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