
30
Crystal unit
Specifications (characteristics)
Recommended soldering pattern
External dimensions
Series resistance
(Unit: mm)
(Unit: mm)
#4
#3
#1
2.54
2.54
1.09
1.09
3.30
#2
4
4
0
5
13.46 Max.
12.70
20.000M
E
5251A
Internal connection in MA-505
Internal connection in MA-506
#4
#3
#1
#2
#4
#3
#1
#2
Do not connect
#2 and #3 of MA-506 to external device.
The first digit of lot No. means:
5XXXX MA-505
6XXXX MA-506
4.1
7.0
4.1
4.1
7.0
4.1
2
2
5
1
MA-506
MA-505
SMD HIGH-FREQUENCY CRYSTAL UNIT
MA-505
/
506
Products number
Q22
M
A505xxxxx00
Q22
M
A506xxxxx00
High-density mounting-type SMD.
Excellent heat-resistance and environment capability.
Capable of covering a wide range of frequency range from 4.0 MHz to 64 MHz.
Item
Nominal frequency range
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
1
30.000 MHz to 64.000 MHz
2
-55 °C to +125 °C
-20 °C to +70 °C
2 mW Max.
10 μW to 100 μW
±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 below table
5 pF Max.
500 M
Min.
±5 x 10
-6
/year Max.
±10 x 10
-6
Max.
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 °C±3 °C, DL=100 μW
-20 °C to +70 °C, DL=100 μW
Please specify
-20 °C to +70 °C, DL=100 μW
Ta=+25 °C±3 °C, first year
Three 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 < 5.5MHz : See "Available frequencies from 4.0 MHz to less than 5.5 MHz" on page 22.
2
26.000
MHz
≤
f < 30,000 MHz : please contact us for inguiries for 3rd cvertone mode.
<
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.
3rd overtone mode
Fundamental mode
Storage temperature
Operating temperature
Maximum drive level
Recommended drive level
Actual size