WC26SM 32.768 KHz Clock Crystal Spec
Surface Mountable Clock Crystal
32.768 KHz
Small Compact Size
ELECTRICAL SPECIFICATIONS:
Frequency
Tolerance at +25°C
Stability
Aging
Shunt Capacitance
Load Capacitance
Motional Capacitance
Operating Temperature
Storage Temperature
Equivalent Resistance
Drive Level
Temperature Coefficient
Insulation Resistance
Shock Resistance
MECHANICAL DETAILS:
4 .0 5 [.1 5 9 ]
2 .0 0 [.0 7 9 ]
3 .8 0 [.1 5 0 ]
3 .4 0 [.1 3 4 ]
32.768 KHz
See Part Number Guide for Options
-0.034 ppm (±0.006)/°
2
(T-To)
2
±5 ppm./ yr
1.5 pF
12.5 pF TYP
0.003 pF TYP
-40°C to +85°C
-40°C to +85°C
50k Ohms Max
1 µW Max
0.04 ppm / ° C
500 Megaohms Min / DC 100 V
±5 ppm Max (Drop test 3 times on a hard board from 75 cm)
1 .9 0 [.0 7 5 ]
C
L
1 .7 0 [.0 6 7 ]
2 .5 4 [.1 0 0 ]
2 .0 0 [.0 7 9 ]
C
L
G LU E PA D
1 .0 0 [.0 3 9 ]
1 .7 0 [.0 6 7 ]
1 .7 0 [.0 6 7 ]
RECOM M EN D PAD LAYOUT
3 .2 5 [.1 2 8 ]
6 .5 0 [.2 5 6 ] M A X
3 .3 0 [.1 3 0 ] M A X
2 .9 5 [.1 1 6 ]
0 .2 5 [.0 1 0 ]
0 .2 5 [.0 1 0 ]
0 .2 5 [.0 1 0 ]
D IM E N S IO N S IN B R A C K E T S A R E IN IN C H E S
2 .3 0 [.0 9 1 ]
MECHANICAL DETAILS:
WC26SM
32.768KHZ
RoHS Compliant
Blank = Not Compliant
F = Is Compliant
Frequency Tolerance
C = ±10 ppm
D = ±20 ppm
Load Capacitance
Blank = 12.5pF
6 = 6pF
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.mmdcomponents.com
Sales@mmdcomp.com
Specifications subject to change without notice
Revision3/27/06 E
Embedded System
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