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.
Actual size
Specifications (characteristics)
Item
Symbol
f
T
STG
T
OPR
GL
DL
T
SOL
∆f/f
Specifications
4.000 MHz to 29.999 MHz
26.000 MHz to 64.000 MHz
-55 °C to +125 °C
-20 °C to +70 °C
2 mW Max.
10 µW to 100 µW
Twice at under +260 °C within 10 s
or under +230 °C within 3 min.
±50 x 10
-6
Under 5.5 MHz: ±50 x 10
Fundamental: 10 pF to
∞.
-6
Remarks
∗1
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
Nominal frequency range
Temperature
range
Drive level
Storage temperature
Operating temperature
Maximum drive level
Recommended drive level
Soldering condition
Frequency tolerance (standard)
Frequency temperature characteristics
(standard)
Load capacitance
Series resistance
Shunt capacitance
Insulation resistance
Aging
Shock resistance
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
Over 5.5 MHz: ±30 x 10
-6
C
L
R
1
C
0
IR
fa
S. R.
Over tone: 5 pF to
∞
As per below table
5 pF Max.
500 MΩ Min.
±5 x 10
-6
/year Max.
±10 x 10
-6
Max.
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.
For frequencies below 5.5 MHz, see "Available frequencies from 4.0 MHz to less than 5.5 MHz" on page 21.
26.000
MHz
≤
f : If not specified, 3rd overtone will be delivered.
Frequency (MHz)
Series resistance (Ω)
4.0
≤
f < 5.5
150
Ω
Max.
5.5
≤
f < 6.0
100
Ω
Max.
6.0
≤
f < 10.0
80
Ω
Max.
10.0
≤
f < 12.0
60
Ω
Max.
12.0
≤
f < 16.0
50
Ω
Max.
16.0
≤
f < 30.0
40
Ω
Max.
26.0
≤
f
≤
36.0
100
Ω
Max.
36.0 < f
≤
64.0
80
Ω
Max.
Oscillation mode
Fundamental mode
(Unit: mm)
3rd overtone mode
External dimensions
13.46 Max.
12.70
#4
#3
#4
5.08 Max.
#1
Recommended soldering pattern
MA-505
(Unit: mm)
Internal connection in MA-505
#3
#2
5.6
4.1
7.0
4.1
#1
20.000M
E
5251A
Internal connection in MA-506
#4
#1
#3
#2
#2
4.6 Max.
MA-506
2.1
4.19
0.2 Min.
2.54
2.54
1.09
3.30
1.09
4.1
7.0
4.1
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
27
2.1
1.5
Part Numbering System
Standard Crystals (AT Strip Crystal)
MA-406
Crystal Package Type:
MA-505: 4pin “J” lead SMD, 4.57mm Height
MA-506: 4pin “J” Lead SMD, 4.57mm Height
MA-406: 4pin “J” Lead SMD, 3.65mm Height
25.0000M
Frequency Tolerance@25C
B or Blank: +/-50ppm(Std)
-
C
Load Capacitance:
B:
C:
D:
F:
G:
H:
K:
W:
AB:
AD:
16.0pf
18.0pf
22.0pf
Series
20.0pf
32.0pf
10.0pf
12.0pf
30.0pf
50.0pf
0
Packaging
Tape and Reel
0: 1000pcs per reel
Frequency Range:
M: In MHz to 4 Decimal Places
4.000, 4.032, 4.096, 4.194304, 4.433619, 4.500, 4.800,
4.842673, 4.9152MHz
5.500 ~ 64.000MHz
Except 8.0001 ~ 8.1999MHz
26.000 ~ 29.999MHz : If not specified, 3rd O/T will
be delivered.
NOTE:
If requiring a load capacitance other than the above
listed, please contact your EEA representative for
assistance.
1
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