Crystal unit
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.
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
Remarks
Nominal frequency
Temperature
range
Drive level
Storage temperature
Operating temperature
Maximum drive level
Recommended drive level
∗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
-55 °C to +125 °C
-20 °C to +70 °C
2 mW
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
-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 MΩ Min.
±5 x 10
-6
/ year
±10 x 10
-6
Max.
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
-20 °C to +70 °C
Please specify
-20 °C to +70 °C , DL=100 µW
C
L
R
1
C
0
IR
fa
S.R.
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.
For frequencies below 5.5 MHz, see "Available frequencies form 4.0 MHz to less than 5.5 MHz" on page 21.
26.000
MHz
≤
f : If not specified, 3rd overtone will be delivered.
Metal may be exposed on the top of this product. This won't affect any quality, reliability or electrical spec.
Series resistance
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
11.7 Max.
#4
#3
Recommended soldering pattern
1.8
7.8
1.8
(Unit: mm)
Internal connection
#4
4.8 Max.
#3
#1
#2
#2
#1
0.5
3.7 Max.
3.5
0.7
9.6
(1.2)
2.1
(1.2)
Do not connect #2 and #3 external device.
25
1.9
1.7
1.9
20.000M
E
572
4.0
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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