26
Specifications (characteristics)
Recommended soldering pattern
External dimensions
(Unit: mm)
(Unit: mm)
#4
#3
#1
2.54
2.54
1.09
1.09
3.30
#2
4.19
4.6 max.
0.2 min.
5.08 max.
13.46 max.
12.70
20.000M
5251A
E
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
2.1
2.1
5.6
1.5
MA-506
MA-505
Crystal unit
SMD HIGH-FREQUENCY CRYSTAL UNIT
MA-505/MA-506
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
Soldering condition
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
T
SOL
f/f
C
L
R
1
C
0
IR
fa
S. R.
Specifications
4.000 MHz to 30.000 MHz
1
26.000 MHz to 64.000 MHz
-55C to +125C
-20C to +70C
2mW max.
10W to 100W
Twice at under 260C within 10 sec.
or under 230C within 3 min.
50ppm
Under 5.5 MHz: 50ppm
Over 5.5 MHz: 30ppm
Fundamental: 10pF to
. Over tone: 5pF to
As per below table
5pF max.
500 M
min.
5ppm/year max.
10ppm max.
Remarks
Fundamental mode
3rd overtone mode
Stored as bare product after unpacking
Only crystal oscillation is guaranteed
Ta=25C3C, DL=100W
-20C to +70C, DL=100W
Please specify
-20C to +70C, DL=100W
Ta=25C3C, first year
Three drops on a hard board from 75 cm or excitation
test with 3000G x 0.3ms x 1/ 2 sine wave x 3
directions
1 8.0 MHz < f < 8.2 MHz: Unavailable.
For frequencies below 5.5 MHz, see "Available frequencies from 4.0 MHz to less than 5.5 MHz" on page 20.
26.000 MHz to 30.000 MHz: If not specified, 3rd overtone will be delivered.
Frequency (MHz)
Series resonance
resistance (
)
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
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