Crystal unit
SMD HIGH-STABILITY CRYSTAL UNIT
MA-406H
Products number
Q24M4 0 6Hxx x x x 00
• High-density mounting-type SMD.
• Excellent heat-resistance and environment capability.
• 9.6 MHz to 27.0 MHz available.
Actual size
Specifications (characteristics)
Specifications
9.600 MHz to 27.000 MHz
-55 °C to +125 °C
-40 °C to +85 °C
2 mW Max.
Item
Symbol
f
Remarks
Nominal frequency range
Fundamental mode
Storage temperature
TSTG
TOPR
GL
Stored as bare product after unpacking
Temperature
range
Operable temperature
Maximum drive level
Only crystal oscillation is guaranteed
Drive level
10 µW to 100 µW
DL
Recommended drive level
-6
±10 x 10
∆f/f
Ta=+25 °C ±3 °C ,DL=100 µW
Frequency tolerance (standard)
Frequency temperature characteristics
Load capacitance
As per below table
10 pF to ∞
CL
R1
C0
IR
fa
Please specify
As per below table
3.0 pF Max.
Operable temperature range, DL=100 µW
Series resistance
Shunt capacitance
500 MΩ Min.
Insulation resistance
Aging
-6
±1 x 10 /year Max.
Ta=+25 °C ±1 °C, DL=100 µW
Three drops on a hard wooden board from 750 mm or
excitation test with 29400 m/s x 0.3 ms x 1/2 sine
-6
±1 x 10 Max.
2
S. R.
Shock resistance
wave x 3 directions
Measured values for frequency tolerance and temperature characteristics need to be brought into mutual correlation prior to the start of production.
Metal may be exposed on the top of this product. This won't affect any quality, reliability or electrical spec.
Frequency temperature characteristics
Series resistance
Temperature range
0 °C to +50 °C
Frequency tolerance
Frequency (MHz)
Series resistance (Ω)
50 Ω Max.
-6
± 3 x 10 Min.
9.6 ≤ f < 10.0
10.0 ≤ f < 12.0
12.0 ≤ f < 16.0
16.0 ≤ f ≤ 27.0
-6
-10 °C to +60 °C
-20 °C to +70 °C
-30 °C to +80 °C
-40 °C to +85 °C
± 5 x 10 Min.
40 Ω Max.
-6
± 7 x 10 Min.
30 Ω Max.
-6
±10 x 10 Min.
-6
±15 x 10 Min.
25 Ω Max.
(Unit: mm)
(Unit: mm)
External dimensions
Recommended soldering pattern
11.7 Max.
Internal connection
#4
#3
#4
#3
1.8
7.8
1.8
20.000M
E H51A
#1
#1
#2
#2
0.7
9.6
2.1
(1.2)
(1.2)
Do not connect #2 and #3 external device.
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