WC519-32.768KHZ Crystal Series
¾ Ceramic SMD Tuning Fork Crystal
¾ 32.768KHZ
¾ RoHS Compliant
¾ Tape and Reel Packaging Available
ELECTRICAL SPECIFICATIONS:
Frequency
32.768KHZ
Frequency Tolerance at +25°C
Load Capacitance
Operating Temperature
Storage Temperature
Turnover Temperature
Stability
±20 ppm
12.5pF
-40°C to ±85°C
-55°C to ±125°C
+25°C ±5°C
-0.035 ppm / (change in °C)2 max parabolic curve
70k Ohms Max
Equivalent Series Resistance
Drive Level
1uW max
Aging
Quality Factor
±3 ppm first year
65000 typ
Shunt Capacitance
1.33pF Max
MECHANICAL DETAILS:
2.20 [.087]
1.30 [.051]
1.95 [.077]
MAX
1.00 [.039]
MAX
1.60 [.063]
3.20 [.126]
5.05 [.199]
MAX
3.95 [.156]
2.90 [.114]
1.30 [.051]
0.75[.030]
RECOMMENDED LAND PATTERN
*DO NOT DESIGN ANY PATTERNS
ON SHADED AREA
DIMENSION IN BRACKETS ARE IN INCHES
PART NUMBERING GUIDE:
WC519
32.768KHZ
Frequency Tolerance
Blank = ±20 ppm
XX = Customer Specified
Load Capacitance
Blank = 12.5pF
XX = Customer Specified
Value Added Options
Blank = No Added Options
T = Tape and Reel
Please consult with MMD sales department for any other parameters or options.
MMD Components, 30400 Esperanza, Rancho Santa Margarita, CA, 92688
Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com
Sales@mmdcomp.com
Revision 01/02/07 A