28
Crystal unit
Specifications (characteristics)
Recommended soldering pattern
External dimensions
Series resistance
(Unit: mm)
Internal connection
(Unit: mm)
#4
#4
#3
#1
#2
#3
#1
0.7
9.6
(1.2)
(1.2)
2.1
#2
4.0
3.5
0.5
3.7 Max.
4.8 Max.
11.7 Max.
20.000M
572
E
1.8
1.9
1.7
1.9
1.8
7.8
SMD HIGH-FREQUENCY CRYSTAL UNIT
MA-406
High-density mounting-type SMD.
Excellent heat-resistance and environment capability.
Cover a wide frequency range, from 4 MHz to 64 MHz.
Item
Nominal frequency
Temperature
range
Drive level
Frequency tolerance (standard)
Frequency temperature characteristics
(standard)
Load capacitance
Series resistance
Shunt capacitance
Insulation resistance
Aging
Shock resistance
Symbol
f
T
STG
T
OPR
GL
DL
f/f
C
L
R
1
C
0
IR
fa
S.R.
Specifications
4.000 MHz to 29.999 MHz
30.000 MHz to 64.000 MHz
-55 C to +125 C
-20 C to +70 C
2 mW
10 W to 100 W
50 x 10
-6
Under 5.5 MHz: 50 x 10
-6
Over 5.5 MHz: 30 x 10
-6
Fundamental: 10 pF to
Over tone: 5 pF to
As per table below
5 pF Max.
500 M
Min.
5 x 10
-6
/ year
10 x 10
-6
Max.
1
2
Remarks
Fundamental mode
3rd overtone mode
Stored as bare product after unpacking
Please contact us on availability of -40 C to +85 C
Only crystal oscillation is guaranteed
Ta=+25 C3 C
-20 C to +70 C
Please specify
-20 C to +70 C , DL=100 W
Ta=+25 C 3 C , first year
T
hree drops on a hard board from 750 mm or excitation test
with 29400 m/s
2
x 0.3 ms x 1/2 sine wave x 3 directions
1 8.0 MHz < f < 8.2 MHz: Unavailable.
4.0 MHz
f < 5.5 MHz : See "Available frequencies form 4.0 MHz to less than 5.5 MHz" on page 22.
2 26.000 MHz
f <30.000 MHz :please contact us for inquiries for 3rd overtone mode.
Metal may be exposed on the top of this product. This won't affect any quality, reliability or electrical spec.
<
=
Frequency (MHz)
Series resistance (
)
Oscillation mode
4.0
f < 5.5
150
Max.
5.5
f < 6.0
100
Max.
6.0
f < 10.0
80
Max.
10.0
f < 12.0
60
Max.
12.0
f < 16.0
50
Max.
16.0
f < 30.0
40
Max.
26.0
f
36.0
100
Max.
36.0 < f
64.0
80
Max.
Fundamental mode
3rd overtone mode
Storage temperature
Operating temperature
Maximum drive level
Recommended drive level
Do not connect #2 and #3 external device.
Actual size
Products number
Q2 2MA 4 0 6 x x x x x 0 0
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