27.000MHZ49USMX/10/15/-40+85/SR/AT3 [EUROQUARTZ]
Series - 3Rd Overtone Quartz Crystal, 27MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELD, SMD, 2 PIN;
| 型号： | 27.000MHZ49USMX/10/15/-40+85/SR/AT3 |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | Series - 3Rd Overtone Quartz Crystal, 27MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELD, SMD, 2 PIN |
| 文件： | 总1页 (文件大小：112K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUARTZ
EURO
49USMX CRYSTALS
3.2MHz to 70.0MHz
49SMD Standard and Low Profile
FEATURES
Low cost crystal for mass market applications
Surface mount version of HC49-4H crystal
Comprehensie stockholding of standard frequencies
Customized parts readily available
Industry-standard package
Low-profile versions available
OUTLINE & DIMENSIONS
DESCRIPTION
49USMX crystals are low profile surface mount crystals with the same
footprint as standard HC49 and HC49-4H crystals. 49USMX crystals
are ideal for use in low cost, mass-market applications but are also
able to be produced to close tolerances when required.
SPECIFICATION
Frequency Range:
3.2MHz to 70MHz
Calibration Tolerance:
±30ppm at 25°C standard
±10ppm available
Frequency Stability over Temp:
from ±10ppm over -10° ~ +60°
from ±15ppm over -40° ~ +85°C
-50° ~ +105°C
4pf typical, 7pF maximum
Series or from 8pF to 32pF
(Customer specified)
Storage Temperature Range:
Shunt Capacitance (C0):
Load Capacitance (CL):
Ageing:
±3ppm maximum
(Ta = 25°C, drive 100mW)
100mW typical, 500mW maximum
260°C, 10s maximum
Hermetic seal, resistance weld
EIA 24mm tape and reel
1000 pieces per reel
Drive Level:
Reflow Soldering:
Holder:
Packaging:
RoHS Status:
RoHS Compliant
EQUIVALENT SERIES RESISTANCE
PART NUMBER GENERATION
12.000MHz 49USMX/30/50/-20+70/18pF/ATF
Frequency
Range MHz
Crystal Cut/
Mode
ESR
Ω Max.
Example:
Nominal Frequency
3.2 ~ 3.4
3.5 ~ 6.0
6.1 ~ 10.0
10.1~30.0
27.0 ~ 30.0 AT-3rd OT
30.1 ~ 50.0 AT-3rd OT
50.1 ~ 70.0 AT-3rd OT
AT-Fund.
AT-Fund.
AT-Fund.
AT-Fund.
300
120
60
Package (height variants):
49USMX (4.2mm)
49USMXL (3.0mm)
40
150
100
80
49USMXL25 (2.5mm)
Calibration tolerance
at 25°C (±ppm)
Temperature Stability
over temp. range (±ppm)
Operating Temp. Range (°C)
Load Capacitance
Crystal Mode
ATF = AT-cut Fundamental
AT3 = AT-cut 3rd Overtone
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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