MJ [EUROQUARTZ]
5 x 3.2 x 0.9mm SMD; 5× 3.2× 0.9毫米SMD
| 型号： | MJ |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | 5 x 3.2 x 0.9mm SMD |
| 文件： | 总1页 (文件大小：156K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUARTZ
EURO
MJ CRYSTALS
5 x 3.2 x 0.9mm SMD
7.0MHz to 125MHz
FEATURES
Miniature size: 5.0mm x 3.2mm x 1.0mm height
Gold-plated ceramic base with metal seam-welded lid
To minimize EMI the whole crystal may be grounded
High shock and vibration resistance
Ideal for PDAs, GPS, PCMCIA, Wirless LAN etc.
DESCRIPTION
OUTLINE & DIMENSIONS
MJ crystals are miniature surface-mount crystals produced with a
ceramic substrate and seam-welded metal lid. Their compact size and
low mass make hem an ideal crystal for high-density applications.
SPECIFICATION
Frequency Range:
AT-Cut Fundamental:
7.0MHz to 50.0MHz
AT-Cut 3rd Overtone: 40.0MHz to 125.0MHz
Calibration Tolerance at 25ºC:
from ±5ppm
(±10, ±20 or ±30ppm standard)
Frequency stability
-10° to +60°C
-20° to +70°C
-40° to +85°C
from ±5ppm
from ±10ppm
from ±15ppm
-50°~+105°C
Storage Temperature:
Effective Series Resistance and Mode
7.0MHz to 50.0MHz:
40.0MHz to 125.0MHz:
Operating Temperature Range:
50Ω max., AT-Cut Fundamental
80Ω max., AT-Cut 3rd Overtone
from 0° ~ +50°C
to -55° ~ +105°
Shunt Capacitance (C0):
Load Capacitance (CL):
2pF to 4pF typical, 5pF maximum
Series or from 10pF to 32pF
(
)
Ageing:
<±3ppm per year at +25°C
Drive level:
Reflow Soldering:
100 mW maximum
10s maximum at 260°C twice
or 180s at 230°C, once.
Ceramic base, metal (Kovar) lid,
Hermetic seal
Package:
PART NUMBER GENERATION
Packaging:
12mm EIA tape and reel
1000 pieces per reel
Part numbers for MJ crystals are generated as follows:
Example:
12.000MHz MJ/20/30/-10+60/18pF/60R
Nominal Frequency
Package MJ
ENVIRONMENTAL SPECIFICATION
Calibration Tolerance
at 25°C (±ppm)
RoHS Status:
Gross Leak:
Compliant
1kg pressurized water immersion
test as per Euroquartz procedures.
Temperature Stability
-8
over temp. range (±ppm)
Fine Leak:
Shock:
<5x10 atm cc/s -helium leak test
±5ppm max. Free drop 3 times
from 75cm height onto a hard
wooden board or half sine wave
acceleration of 100g peak
amplitude for 11 ms duration, 3
cycles each plane.
Operating Temp. Range (°C)
Vibration:
±5ppm max., frequency 10 to
55Hz, amplitude 1.5mm or
10g rms. Duration 6 hours.
MIL-STD-883, Method 2003
48 hours at 85°C, relative
humidity, non-condensing
Temperature cycling: Exposed to
-40°C for 30 minutes then to
+85°C for 30 minutes,
Load Capacitance
Solderability:
Humidity:
Equivalent Series Resistance
Thermal Shock:
- duration 5 days.
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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