Cal Crystal Lab, Inc./Comclok, Inc. 800-333-9825
Cal Crystal Lab, Inc./Comclok, Inc. 800-333-9825
Cal Crystal Lab, Inc./Comclok, Inc. 800-333-9825
Cal Crystal Lab, Inc./Comclok, Inc. 800-333-9825
Cal Crystal Lab, Inc./Comclok, Inc. 800-333-9825
CAL CRYSTAL LAB INC./COMCLOK, INC. 1156 North Gilbert Street Anaheim, CA 92801
800.333.9825 714.991.1580 Fax 714.491.9825 Website: www.calcrystal.com
PLASTIC PACKAGE SURFACE MOUNT CRYSTALS
MODEL SM8
Model
Model
Model
Model
Model
Frequency
Temperature Coefficient
Frequency Tolerance @25
o
C + 5
o
C
Equivalent Series Resistance
Shunt Capacitance
Drive Level
32.768kHz
+20ppm
-0.034ppm/
o
C
2
, Typical
50 K
Max
1.35pF, Typical
1.0
Watts Max
S M 8
S M 8
S M 8
S M 8
S M 8
Aging for first year
+3ppm Max at 25
o
C +3
o
C
DIMENSIONS
(mm)
Operating Temperature Range
-40
o
C to +85
o
C
Storage Temperature Range
-55
o
C to +125
o
C
Load Capacitance
12.5 pF, Typical
Insulation Resistance
500M
Min at 100V DC +15V
Turnover Temperature
+25
o
C +5
o
C
Motional Capacitance
0.003pF, Typical
Capacitance Ratio
450, Typical
Reflow Soldering Condition
10 Seconds max. at +235
o
C +5
o
C
2
0.1
4.05
0.1
8
0.1
16
0.3
7.5
0.1
1.75
0.1
1.6
+0.1
-0
4.0
1
2
4
3
0
-10
-20
-30
-40
-50
-60
-70
-80
20
10
0 +10 +20 +30 +40 +50 +60 +70 +80
f/f (ppm)
TEMPERATURE (
C)
4.1
3.9
4.1
2.54
2.54
0.2 Min.
3.6 Max.
#1
#2
#4
#3
4.06 Max.
10.4 Max.
0.51
0.51
2.29
#1
#2
#4
#3
4.1
Soldering Pattern
Tape Specifications
2,000 pcs. per reel
(330mm dia.)
X-Cut
PACKAGE DATA
Item
Package
Outer Package
Plastic
Sealing
Press-fit
(2x6mm built-in)
Terminal Plating
Solder
Typical Temperature Characteristics
PDF 
ZIP