“X42” series 4.0x2.5x0.6mm Surface Mount Crystals

“X42” series
•
•
•
4.0x2.5x0.6mm
Surface Mount Crystals
MERCURY
Since 1973
Gold-plated ceramic base with metal lid seam welded package
Extremely low aging. Specifically designed for hand-held
communication equipment, PDAs, GPS and Bluetooth.
High shock and vibration resistance.
SPECIFICATIONS
Crystal Holder Prefix n:
X42 series
Frequency Range o:
12.0 ~50.0 MHz AT-cut Fundamental mode
Calibration Tolerance : q
±5 ppm (±0.0005 %), or±10 ppm (±0.001 %), or ±30 ppm (±0.003 %)
at 25°C
Frequency Stability : r
±5 ppm (±0.0005 %); or ±10 ppm (±0.001 %) ;or ±30 ppm (±0.003 %)
Operatin g Temperature
Range s
–20°C to +70°C. or –30°C to +85°C
Shunt Capacitance (Co):
2.0~4.0 pF typical, 5 pF maximum
Equivalent Series Resistance:
(E.S.R.) t
Load Capacitance (CL ) p :
Frequency
Vibration Mode
E.S.R. max.
12.0~20.0
AT fundamental
80 Ω
20.01~50.0
AT fundamental
60 Ω
Series (S)
Parallel: Please specify CL value, typical CL ranges from 10 to 32pF)
Drive Level:
100 μW max.
Aging:
Less than ±3 ppm per year at +25°C
Reflow Soldering:
10 seconds maximum at +260°C two times or 180 seconds at 230°C one
time
Note: Tighter tolerance, tighter stability and lower ESR are available.
MERCURY
www.mercury-crystal.com
Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: [email protected]
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected]
MERCURY
Page 1 of 4
Date: May 1, 2006
Rev. 1
“X42” series 4.0x2.5x0.6 mm
MERCURY
Surface Mount Crystals
Since 1973
STANDARD FREQUENCIES AND PART NUMBERS (partial frequency list only. Frequency tolerance,
frequency stability and ESR can be specified per your requirements).
MEC Part Number
MEC Specification Code
MEC Part Number
MEC Specification Code
X42-12.800-12P
X42-13.000-16P
X42-14.318-18P
X42-16.000-16P
X42-16.384-16P
X42-18.432-16P
X42-19.200-16P
X42-20.000-20P
X42-22.2184-10P
X42-24.000-10P
X42-24.576-10P
X42-25.000-10P
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/80R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
X42-27.000-10P
X42-28.375-10P
X42-28.63636-10P
X42-29.4912-10P
X42-30.000-10P
X42-32.000-10P
X42-32.768-10P
X42-33.000-10P
X42-35.2512-S
X42-40.000-10P
X42-44.000-S
X42-48.000-S
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
20/20/-20+70/60R
ENVIRONMENTAL AND MECHANICAL SPECIFICATIONS
Green Requirement
RoHS compliant and Pb (lead free)
Storage Temperature
-40°C to +85°C
Gross Leak
1 Kg Pressurized water immersion test per Mercury internal procedures
Fine Leak
< 5 x10-8 atm cc /sec by helium leak check
Shock
±5 ppm max. Free drop 3 times from 75 cm height onto a hard wooden board or
half sine wave acceleration of 100G peak amplitude for 11 m. sec. duration, 3
cycles each plane.
Vibration
±5 ppm max. Frequency:10 to 55 Hz, amplitude: 1.5 mm or 10 Gs rms.
Duration: 6 hours.
Solderability
MIL-STD-883, Method 2003
Humidity
After 48 hours at 85°C, 85% relative humidity non-condensing
Thermal Shock
Temperature cycling: Exposed at -40°C for 30 minutes then to +85°C for 30
minutes for duration of 5 days
Marking Permanency
MIL-STD-202, Method 215. Laser engraved.
Insulation Resistance
500 MΩ min. at 100 V±15 V DC
MERCURY
Page 2 of 4
Date: May 1, 2006
Rev. 1
“X42” series 4.0x2.5x0.6 mm
MERCURY
Surface Mount Crystals
Since 1973
HOW TO ORDER:
Complete Part Number = Mercury part number + Mercury spec. code. "= Please specify
Example: X42-16.000-16P-20/20/-20+70/580R-option
Explanation: X42 series crystal, 16.000 MHz, 16 pF load capacitance, ±20 ppm frequency tolerance,
±20 ppm frequency stability over -20 to +70°C, ESR is 80 ohms max.
"
"
" "
"
"
"
16P
—
20
X42− 16.000 —
/
20
/
-20+70
/
80R
n
o
p
q
r
s
t
n: Crystal package prefix
o: Frequency in MHz
p: Load Capacitance (Use “S” for series; use “_ _P” for parallel load capacitance)
q: Frequency Tolerance at +25°C
r: Frequency stability over operating temperature range
s: Operating temperature range
t: ESR (Equivalent Series Resistance in ohms) max.
PACKAGE DIMENSIONS AND SUGGESTED PAD LAYOUT
Unit: mm [inches]
2.0¡ Ó
0.1
4.0¡ Ó
0.1
3
0.7¡ Ó
0.1
4
3
0.4
4
bottom view
0.6¡ Ó
0.1
1.0 typ.
2
1.2
4
3.0
1.6
1
2
1
2
0.9 typ.
2
2.5¡ Ó
0.1
1
1. Pad No. 1 and pad No. 3 are connected
4
through the metal lid for grounding.
1.4
2. Chamfered pad is pad No. 1.
3. Count clockwise when looking at top view.
4. Count counter-clockwise when looking at bottom view.
MERCURY
Page 3 of 4
Date: May 1, 2006
top view
3
Rev. 1
“X42” series 4.0x2.5x0.6 mm
Surface Mount Crystals
MERCURY
Since 1973
RECOMMENDED REFLOW SOLDERING PROFILE:
TAPE AND REEL SPEC.:
MERCURY
1000 pcs per reel.
Page 4 of 4
unit: mm
Date: May 1, 2006
Rev. 1