Cal Crystal Lab, Inc. / Comclok, Inc. 800-333-9825
1156 North Gilbert Street • Anaheim, CA 92801
PLASTIC PACKAGE AT-STRIP SURFACE MOUNT CRYSTALS
MODEL
Model
Frequency Range
Oscillation Mode
Frequency Tolerance @ 25
o
C
Frequency Stability
Operating Temperature Range
Storage Temperature Range
Equivalent Series Resistance
Load Capacitance
Shunt Capacitance
Drive Level
Insulation Resistance
Aging for first year
Reflow Soldering Condition
DIMENSIONS
(mm)
SM4
SM4
3.5MHz ~ 70.0 MHz
3.5MHz ~ 30MHz (AT Fundamental)
30MHz ~ 70MHz (3rd Overtone)
±
50ppm Optional Tolerances Available
±
100ppm over 0 C to +70 C Optional Tolerances Available
o
o
0
o
C ~ +70
o
C Standard, Optional Temperature Ranges Available
-55
o
C ~ +125
o
C
Resistance Specifications Below (See Chart Below)
20pF, Custom C
L
and Series resonant available
7pF Max
50µWatts to 100µWatts (100µWatts Correlation)
500 megohms Min
±5ppm
Max
10 Seconds Max at +235
o
C
±5
o
C
Recommended Soldering Pattern
Frequency
3.5MHz+
4.0MHz+
5.0MHz+
6.0MHz+
7.0MHz+
9.0MHz+
13.0MHz+
20.0MHz+
35.0MHz+
Equivalent
Series Resistance
200Ω Max
150Ω Max
120Ω Max
100Ω Max
80Ω Max
60Ω Max
40Ω Max
30Ω Max
100Ω Max
Oscillation
Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
Terminals
(#2 & #3 N.C.)
1,000 pcs. per reel
(330mm dia.)
7
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