Actual size
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Crystal unit
Crystal unitCrystal unit
Crystal unit
Epson Toyocom
Eps o n To yo co mEps o n To yo co m
Eps o n To yo co m
S
p
ecifications
(
characteristics
)
Item Symbol Specifications Remarks
4.000 MHz to 29.999 MHz Fundamental *1
Nominal frequency range f 30.000 MHz to 64.000 MHz 3rd overtone *2
Storage temperature T_stg -55 °C to +125 °C Store as bare product after unpacking Temperature
range Operating temperature T_use -20 °C to +70 °C Please contact us on availability of -40 °C to +85 °C
Level of drive DL 10 µW to 100 µW
Frequency tolerance (standard) f_tol ±50 × 10
-6
+25 °C
Under 5.5 MHz :±50 × 10
-6
Frequency versus temperature characteristics
(standard) f_tem Over 5.5 MH z :±30 × 10
-6
-20 °C to +70 °C
For the out of standard specifications, please contact us for inquires
Fundamental: 10 pF to ∞
Load capacitance CL Overtone: 5 pF to ∞ Please specify
Motional resistance (ESR) R
1
As per below table -20 °C to +70 °C, DL=100 µW
Shunt capacitance C
0
5 pF Max.
Frequency aging f_age ±5 × 10
-6
/ year Max. +25 °C,First year
*1 4.0 MHz ≤ f < 5.5 MHz : See “Available frequencies from 4.0 MHz to less than 5.5 MHz”. 8.0 MHz < f < 8.2 MHz: Unavailable.
*2 26.000 MHz ≤ f <30.000 MHz :please contact us for inquiries for 3rd overtone mode.
Available fre
q
uenc
y
from 4.0 MHz to less than 5.5 MHz
(
MHz
)
4.000 4.032 4.096 4.190 4.194304 4.433619 4.500 4.800 4.9152
Mo t ional resistance
(
ESR
)
Frequency (MHz) 4.0 ≤ f < 5.5 5.5 ≤ f < 6.0 6.0 ≤ f <10.0 10.0 ≤ f < 12.0 12.0 ≤ f < 16.0 16.0 ≤ f < 30.0 30.0 ≤ f ≤ 36.0 36.0 < f ≤ 64.0
Motional resistance 150 Ω M ax. 100 Ω Max. 80 Ω Max. 60 Ω Max. 50 Ω Max. 40 Ω Max. 100 Ω Max. 80 Ω Max.
Overtone order Fundamental 3rd overtone
External dimensions
(
Unit:mm
)
.
Foot
rint
Recommended
(
Unit:mm
)
M A-406 M A-505 / 506
MA-505
/
506
MA-406
M etal may be exposed on the top or bottom of this pro duct.
This will not affect any quality, reliability or electrical spec.
Do not connect #2 and #3 to ext ernal device. Do not connect #2 and #3 of MA-506 to external device.
The first digit of lot No. means : 5×××× MA-505
6×××× MA-506
Internal connect ion
(TOP VIEW)
#4
#1 #2
#3
#4
#1 #2
#3
Internal connect ion in MA-506
(TOP VIEW)
#4
#1 #2
#3
Internal c onne ction in MA-505
(TOP VIEW)
2.1
(1.2)
(1.2)
0. 2 Min.
4.6 Max.
4.19
2.54
2.54
9.6
0.7
11.7 Max.
#4
#1 #2
#3
4.8 Max.
4.0
3.7 Max.
3.5
16.934M
E
572
5.08 Max.
#1
#4 #3
#2
13.46 Max.
12.70
20.000M
E
5251A
1.0 9 1.09
3.3
MA-406 MA-505
2.05
1.5
4.17.0 4.1
2.05
4.1 7.0 4.1
5.6
MA-506
1.9 1.9 1.7
7.8
1.8 1.8
MHz RANGE CRYSTAL UNIT
SMD
MA
-
406
MA
-
505
/
MA
-
506
•Frequency range : 4 MHz to 64 MHz
•Thickness : 3. 7 m m M ax.(MA-40 6)
: 4. 6 m m M ax.(MA-50 5
/
506)
•O vert on e or d er : Fundamental
3r d o vert one(30 MH z to 64 MHz)
•Applications : For C lock of i nteg rate d c i rcuit