M1252 Series
SPECIFICATION FOR 2.5x2.0 mm AT CUT SMT CRYSTAL
FEATURES
APPLICATIONS
Surface mount AT-cut crystal
Compliant to RoHS directive
Clock circuits in communications equipment
Test equipment
Portable and wearable devices.
Ordering Information:
Product
Temperature Range
Family
Tolerance at +25 °C
Stability
Load Capacitance
Frequency
Code
6
2
Value
-20 °C to +70 °C
-40 °C to +85 °C
Code
D
E
G
H
Value
±10 ppm
±15 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
Code
D
E
G
H
Value
Code
Blank
S
Value
18 pF (standard)
Series Resonant
±10 ppm
±15 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
XXX.XXXXXX MHz
Customer Specified (6 pF to 50 pF)
xx
M1252
J
M
J
M
Example: M12526JM 25.000000 MHz
M1252
6
J
M
25.000000 MHz
Electrical Specifications:
Parameter
Mode of Oscillation
Frequency Range
Frequency Tolerance
Frequency Stability
Operating Temperature
Aging
Symbol
Min.
Fundamental (AT cut)
12.000 54.000
See Ordering Information Table
See Ordering Information Table
See Ordering Information Table
Typ.
Max.
Units
Conditions
FO
F/F
F/F
TA
MHz
ppm
ppm
°C
@ +25 °C
Ref to +25 °C
-3
+3
ppm/year @ +25 °C
See Ordering Information Table
Load Capacitance
Resistance
CL
Rs
pF
(standard is 18 pF)
100
80
Ω
Ω
12.000 – 15.999 MHz
16.000 – 26.999 MHz
50
40
Ω
Ω
27.000 – 35.000 MHz
35.001 – 54.000 MHz
Shunt Capacitance
Drive Level
Insulation Resistance
CO
DL
5
100
pF
µW
MΩ
500
Tested @ 100VDC
Environmental & Package Specifications:
Mechanical Shock
Vibration
Thermal Cycle
Hermeticity
Gross Leak
Fine Leak
Per MIL-STD-202, Method 213, Condition C (100 g’s, 6 ms duration, ½ sinewave)
Per MIL-STD-202, Method 201 & 204 (10 g’s from 10-2000 Hz)
Per MIL-STD-883, Method 1010, B (-55°C to 125°C, 15 min. dwell, 10 cycles)
Per MIL-STD-202, Method 112 (1 x 10-8 atm cc/s of Helium)
Per MIL-STD-202, Method 112 (30 sec. Immersion)
Per MIL-STD-202, Method 112 (1 x 10-8 atm cc/s of Helium)
Per MIL-STD-883, Method 2015
Resistance to Solvents
Solderability
Per EIAJ-STD-002
Max. Soldering Conditions See solder profile, Figure 1
Package 2.5 x 2.0 mm ceramic leadless 4 pad package
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