EURO
QUARTZ
5.0 x 3.2 x 0.9mm SMD
FEATURES
Miniature size: 5.0mm x 3.2mm x 0.9mm height
2 pad version
High shock and vibration resistance
Ideal for PDAs, GPS, PCMCIA, Wireless LAN etc.
MJ2 CRYSTALS
8.0MHz to 150MHz
DESCRIPTION
MJ2 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
8.0MHz to 50.0MHz:
40.0MHz to 150.0MHz:
Calibration Tolerance at 25ºC:
Frequency stability over Temp:
Operating Temperaure Range:
Storage Temperature:
Effective Series Resistance:
Shunt Capacitance (C0):
Load Capacitance (CL):
Ageing:
Drive level:
Insulation Resistance:
Reflow Soldering:
Package:
Packaging:
AT-Cut Fundamental
AT-Cut 3rd Overtone
from ±10ppm to ±100ppm
from ±10ppm to ±100ppm
-10° ~ +60°C to -40° ~ +85°C
-40°~+85°C / -55° ~ +125°C
See table
2pF to 5pF typical, 7pF maximum
Series or from 6pF to SeriespF
(Customer
specified CL)
<±5ppm per year at +25°C
100
mW
maximum
500MΩ min. at 100±15VDC
10s maximum at 260°C
2 reflows maximum
Ceramic base, metal lid,
Hermetic seal
12mm EIA tape and reel
1000 pieces per reel
OUTLINE & DIMENSIONS
EQUIVALENT SERIES RESISTANCE (ESR)
Frequency
Range (MHz)
8.0 ~ 10.0
10.01 ~ 12.0
12.01 ~ 20.0
20.01 ~ 50.01
40.01 ~ 150.0
Crystal Cut/
Mode
AT Fund.
AT Fund.
AT Fund.
AT Fund.
3rd Overtone
ESR
Ω Max.
100
80
60
40
80
PART NUMBER GENERATION
Part numbers for MJ2 crystals are generated as follows:
12.000MHz MJ2/20/30/-10+60/18pF/ATF/60R
Nominal
Frequency
Package MJ2
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)
Mode: ATF = Fundamental
AT3 = 3rd Overtone
(Optional,
use when mode clarity is required)
Equivalent Series Resistance
(Optional)
ENVIRONMENTAL SPECIFICATION
RoHS Status:
Gross Leak:
Fine Leak:
Shock:
Compliant
1kg pressurized water immersion
test as per Euroquartz procedures.
<5x10
-8
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.
±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,
- duration 5 days.
Vibration:
Solderability:
Humidity:
Thermal Shock:
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
