Specifications subject to change without notice

Revision3/27/06 E

WC26SM 32.768 KHz Clock Crystal Spec

Surface Mountable Clock Crystal

32.768 KHz

Small Compact Size

ELECTRICAL SPECIFICATIONS:

Frequency

32.768 KHz

Tolerance at +25°C

See Part Number Guide for Options

Stability

Aging

±5 ppm./ yr

Shunt Capacitance

1.5 pF

Load Capacitance

12.5 pF TYP

Motional Capacitance

0.003 pF TYP

Operating Temperature

-40°C to +85°C

Storage Temperature

-40°C to +85°C

Equivalent Resistance

50k Ohms Max

Drive Level

1 µW Max

Temperature Coefficient

0.04 ppm / ° C

Insulation Resistance

500 Megaohms Min / DC 100 V

Shock Resistance

±5 ppm Max (Drop test 3 times on a hard board from 75 cm)

MECHANICAL DETAILS:

0.25 [.010]

0.25 [.010]

1.90 [.075]

3.25 [ .12 8]

6.50 [ .256] M A X

2 .00 [ .079]

4.05 [ .15 9]

2.54 [.100]

2.95 [ .116]

2.30 [ .091]

3.80 [.150 ]

3.40 [.134]

2.00 [ .079]

1 .70 [ .067]

1.0 0 [.039]

1.70 [.067]

1.70 [ .06 7]

CL

L

C

GL UE P A D

0.25 [.010 ]

DIM E NS IO NS IN B R AC K E T S AR E IN IN C H E S

R E C O M M E N D P AD L AYOUT

3.30 [.130] M A X

MECHANICAL DETAILS:

32.768KHZ

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

WC26SM

Frequency Tolerance

Load Capacitance

Blank = 12.5pF

6 = 6pF

RoHS Compliant

Blank = Not Compliant

F = Is Compliant

Blank = No Added Options

T = Tape and Reel

Value Added Options

C = ±10 ppm

D = ±20 ppm

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

Sales@mmdcomp.com