TERMINATIONS
SPECIFICATIONS
Specifications are typical at 25OC unless otherwise noted.
Specifications are subject to change without notice.
Designation
SM1
SM2
SM3
SM4
Termination
Gold Plated (Lead Free)
Solder Plated
Solder Dipped
Solder Plated (Lead Free)
Solder Dipped (Lead Free)
Fundamental Frequency
Motional Resistance R1 (
10 MHz 32 MHz 155.52 MHz
Ω)
60
2.8
95
25
6.2
30
10
4.0
30
Motional Capacitance C1 (fF)
Quality Factor Q (k)
SM5
Max Process Temperature 260OC for 20 sec.
Shunt Capacitance C0 (pF)
1.4
2.3
2.3
Calibration Tolerance1
Load Capacitance2
+_ 100 ppm, or tighter as required
20 pF for f ≤ 50 MHz
SUGGESTED LAND PATTERN
0.070 (1.78)
10 pF for f > 50 MHz
Drive Level
500
200
µ
W MAX for f ≤ 50 MHz
µ
W MAX for f > 50 MHz
+_ 50 ppm to +_ 10 ppm (Commercial)
+_ 100 ppm to +_ 20 ppm (Industrial)
+_ 100 ppm to +_ 30 ppm (Military)
0.120 (3.05)
Frequency-Temperature
Stability1,3
Aging, first year3
Shock, survival4
Vibration, survival5
5 ppm MAX (below 1 ppm available)
3,000 g, 0.3 ms, 1/2 sine
0.215 (5.46)
inches (mm)
20 g, 10-2,000 Hz swept sine
EQUIVALENT CIRCUIT
Operating Temp. Range
-10OC to +70OC (Commercial)
-40OC to +85OC (Industrial)
-55OC to +125OC (Military)
C0
Storage Temp. Range
Max Process Temperature 260OC for 20 sec.
-55OC to +125OC
1
L1
C1
R1
2
1. Other tolerances available. Contact factory.
2. Unless specified otherwise.
R1 Motional Resistance L1 Motional Inductance
C1 Motional Capacitance C0 Shunt Capacitance
3. Does not include calibration tolerance. The characteristics of the frequency stability over
temperature follow that of the AT thickness-shear mode.
4. 10 ppm MAX for frequencies below 40 MHz. For tighter tolerances and higher
frequencies contact factory.
5. Higher shock version available.
PACKAGING
6. Per MIL-STD-202G, Method 204D, Condition D. Random vibration testing also available.
• Tray Pack
• Tape and Reel
Per EIA 481 (see Tape and Reel data sheet 10109)
HOW TO ORDER CX6SM AT CRYSTALS
CX6
S
C
SM1
–
32.0M
,
100
/
100
/
—
/
I
“S” if special or O.T. = 3rd Overtone Mode C = Ceramic Lid
custom design. Blank = Fundamental Blank = Glass Lid
Blank if Std. Mode
Frequency
M = MHz
Calibration
Tolerance
@ 25OC
Frequency
Stability over
Temp. Range
(in ppm)
Operating Temp. Range:
C
= -10OC to +70OC
I = -40OC to +85OC
M = -55OC to +125OC
(in ppm)
SM1 = Gold Plated (Lead Free)
SM2 = Solder Plated
S
= Customer Specified
SM3 = Solder Dipped
SM4 = Solder Plated (Lead Free)
SM5 = Solder Dipped (Lead Free)
OR
/
—
—
/
200
/
I
Operating Temp. Range:
Total
Frequency
Tolerance
(in ppm)
C
= -10OC to +70OC
I = -40OC to +85OC
M = -55OC to +125OC
S
= Customer Specified
10117 - Rev B
E
RSG Electronic Components GmbH - Sprendlinger Landstr. 115 - 63069 Offenbach - Germany - www.rsg-electronic.de
Pb
RSG [ RSG ELECTRONIC COMPONENTS GMBH ]
