“X3215” series 3.2x1.5x0.8 mm 32.768 KHz Tuning Fork Surface

“X3215” series
3.2x1.5x0.8 mm 32.768 KHz
Tuning Fork Surface Mount Crystal
MERCURY
Since 1973
ˆ Precision time piece in miniature ceramic package for SMD mounting.
ˆ 100% RoHS compliant and lead-free product.
ˆ Low aging. High shock and vibration resistant.
ˆ Applications include real-time clocks, battery operated devices.
SPECIFICATIONS
Mercury Part No.
Green Requirement
Frequency
Holder Type
Crystal Cut
Mode of Oscillation
Turnover Temperature
Frequency Tolerance at 25°C
Frequency vs. Temperature
Equivalent Series Resistance
Shunt Capacitance (Co)
Motional Capacitance (C1)
Motional Inductance (L1)
Quality Factor (Q)
Load Capacitance (CL)
Drive Level
Operable Temperature Range
Storage Temperature Range
Insulating Resistance
Aging at 25°C
Shock
Vibration
Packaging
X3215-32.768K-12.5P
RoHS compliant and lead free
32.768KHz
3.2x1.5x0.8 mm ceramic SMD
X-CUT
Fundamental mode
25°C ±5°C
±20ppm
-0.035 ppm± 0.008 ppm/°C2 max. Parabolic
50 KΩ typical; 80 KΩ max.
1.5 pF typical; 2.0 pF max.
2.2 fF typical
6100 H typical
27130 typical
9 pF or 1 2.5pF
0.1 µW typical; 0.5 u W max.
-40°C to +85°C
-55°C~ + 125°C
500 MΩ min. at 100 VDC±15VDC
±3 ppm / year max.
±5 ppm max. Free drops 3 times from 75 cm height onto
hard wood board
±5 ppm max. 3000 G, 1/2 sine wave, 0.3 ms, XYZ
12 mm tape. 4 mm pitch, 180 mm reel, 3000 pcs per reel.
FREQUENCY TEMPERATURE CHARACTERISTIC CURVE
by curve
by calculation
Frequency deviation at one particular temperature (Tx)
with respect to the frequency at +25°C is
∆f / f (ppm) = -0.035 * (Tx – 25)
2
Example: at +60°C, the frequency drifts -42.8 ppm.
2
∆f / f (ppm) = -0.035*(60-25) = - 42.8 ppm
MERCURY www.mercury-crystal.com
Taiwan: TEL (886)-2-2695-7099, FAX (886)-2-2695-7473, e-mail: [email protected]
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected]
MERCURY
Page 2 of 2
Date: April 1, 2007
Rev. 0
“X3215” series
3.2x1.5x0.8 mm 32.768 KHz
Tuning Fork Surface Mount Crystal
PACKAGE DIMENSIONS AND RECOMMENDED LAND PATTERN
MERCURY
Since 1973
unit: mm
RECOMMENDED REFLOW SOLDERING PROFILE
HOW TO ORDER:
Please order either X3215-32.768K-9P or -12.5P
"
X3215 —
32.768K
—
9P
": Please specify
n
o
p
n: Crystal package prefix ; o: Frequency: 32.768 KHz; p: Load Capacitance (CL): 9P for 9 pF;
12.5P for 12.5 pF load capacitance.
MERCURY
Page 2 of 2
Date: April 1, 2007
Rev. 0