WC315 Series Crystal
Ceramic SMD Tuning Fork Crystal
32.768KHZ
RoHS Compliant
Tape and Reel Packaging Available
Frequency
Frequency Tolerance at +25°C
Load Capacitance
Operating Temperature
Storage Temperature
Turnover Temperature
Stability
Equivalent Series Resistance
Drive Level
Aging
Quality Factor
Shunt Capacitance
32.768KHZ
±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
1uW max
±3 ppm first year
30000 typ
1.05pF Max
Part Number Guide
WC315
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 Monitor/Quartztek
30400 Esperanza, Rancho Santa Margarita, CA, 92688
Phone: (949) 709-5075, Fax: (949) 709-3536,
www.mmdcomp.com
Sales@mmdcomp.com
Revision:
Specifications are subject to change without notice.
WC315063011C
Pg 1 of 2
Mechanical Details
1.60[.063]
MAX
MXXXXX
0.90[.035]
MAX
1.30[.051]
1.90 [.075]
1.10 [.043]
3.30[.130]
MAX
1.80[.071]
2.40[.094]
1.40[.055]
1.10 [.043]
0.62[.024]
DIMENSION IN BRACKETS ARE IN INCHES
FACTORY MARKING
SUGGESTED LAND PATTERN
*DO NOT DESIGN ANY PATTERNS
ON SHADED AREA
Tape & Reel
PITCH
Tape Width
REEL DIA
Q1 Q2
Q3 Q4
Q1 Q2
Q3 Q4
PITCH
TAPE WIDTH
REEL DIA
QTY PER REEL
PIN 1 ORIENT.
4.00 [.157]
12.00 [.471]
330 [13.0]
3000
Q1
NOTES: UNLESS OTHERWISE SPECIFIED
1. Applicable Standards / Specifications
ANSI Y14.5M, Dimensions and Tolerances
EIA-481-B, 8 mm through 200mm Embossed Carrier Taping and 8 mm and 12 mm
Punched Carrier Taping of Surface Mount Components for Automatic Handling.
2. Dimensions are in millimeters [inch].
3. Tolerances are ±0.1 [.004] mm unless otherwise specified.
4. Do not scale drawing.
DIRECTION OF FEED
MMD Monitor/Quartztek
30400 Esperanza, Rancho Santa Margarita, CA, 92688
Phone: (949) 709-5075, Fax: (949) 709-3536,
www.mmdcomp.com
Sales@mmdcomp.com
Revision:
Specifications are subject to change without notice.
WC315063011C
Pg 2 of 2