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参数资料
| 型号： | 48.000MHZMJ2/5/10/-20+70/10PF/50R |
| 厂商： | EUROQUARTZ LTD |
| 元件分类： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 48 MHz |
| 封装： | ROHS COMPLIANT, MINIATURE, HERMETIC SEALED, CERAMIC, SMD, 2 PIN |
| 文件页数： | 1/1页 |
| 文件大小： | 82K |
| 代理商： | 48.000MHZMJ2/5/10/-20+70/10PF/50R |
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
EURO QUARTZ
DESCRIPTION
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.
Miniature size: 5.0mm x 3.2mm x 1.0mm height
2 pad version
High shock and vibration resistance
Ideal for PDAs, GPS, PCMCIA, Wirles LAN etc.
FEATURES
OUTLINE & DIMENSIONS
Frequency Range:
7.0MHz to 50.0MHz
Mode:
AT-Cut Fundamental
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
Storage Temperature:
-50°~+105°C
Effective Series Resistance:
See table
Shunt Capacitance (C0):
2pF to 4pF typical, 5pF 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 at 260°C twice
or 180s at 230°C, once.
Package:
Ceramic base, metal lid,
Hermetic seal
Packaging:
12mm EIA tape and reel
1000 pieces per reel
SPECIFICATION
7.0 ~ 12.0
AT Fund.
80
12.0 ~ 16.0
AT Fund.
60
16.01~48.0
AT Fund.
50
Frequency
Range MHz
Crystal Cut/
Mode
ESR
Ω Max.
EQUIVALENT SERIES RESISTANCE (ESR)
MJ2 CRYSTALS
ENVIRONMENTAL SPECIFICATION
5 x 3.2 x 0.9mm SMD
7.0MHz to 50MHz
PART NUMBER GENERATION
Part numbers for MJ2 crystals are generated as follows:
12.000MHz MJ2/20/30/-10+60/18pF/60R
Example:
Nominal Frequency
Package
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)
RoHS Status:
Compliant
Gross Leak:
1kg pressurized water immersion
test as per Euroquartz procedures.
Fine Leak:
<5x10-8 atm cc/s -helium leak test
Shock:
±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.
Vibration:
±5ppm max., frequency 10 to
55Hz, amplitude 1.5mm or
10g rms. Duration 6 hours.
Solderability:
MIL-STD-883, Method 2003
Humidity:
48 hours at 85°C, relative
humidity, non-condensing
Thermal Shock:
Temperature cycling: Exposed to
-40°C for 30 minutes then to
+85°C for 30 minutes,
- duration 5 days.
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