Revision 01/02/07 A

WC315-32.768KHZ Crystal Series

Ceramic SMD Tuning Fork Crystal

32.768KHZ

RoHS Compliant

Tape and Reel Packaging Available

ELECTRICAL SPECIFICATIONS:

Frequency

32.768KHZ

Frequency Tolerance at +25°C

±20 ppm

Load Capacitance

12.5pF

Operating Temperature

-40°C to ±85°C

Storage Temperature

-55°C to ±125°C

Turnover Temperature

+25°C ±5°C

Stability

Equivalent Series Resistance

70k Ohms Max

Drive Level

1uW max

Aging

±3 ppm first year

Quality Factor

30000 typ

Shunt Capacitance

1.05pF Max

MECHANICAL DETAILS:

1.90 [.075]

1.10 [.043]

1.10 [.043]

RECOMMENDED LAND PATTERN

*DO NOT DESIGN ANY PATTERNS

ON SHADED AREA

DIMENSION IN BRACKETS ARE IN INCHES

1.60[.063]

MAX

3.30[.130]

MAX

0.90[.035]

MAX

1.30[.051]

1.80[.071]

0.62[.024]

2.40[.094]

1.40[.055]

PART NUMBERING GUIDE:

32.768KHZ

Please consult with MMD sales department for any other parameters or options.

Frequency Tolerance

Blank = ±20 ppm

XX = Customer Specified

Load Capacitance

Blank = 12.5pF

XX = Customer Specified

Blank = No Added Options

T = Tape and Reel

Value Added Options

WC315

MMD Components, 30400 Esperanza, Rancho Santa Margarita, CA, 92688

Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com

Sales@mmdcomp.com