24
Crystal unit
Specifications (characteristics)
Recommended soldering pattern
External dimensions
(Unit: mm)
(Unit: mm)
1.6
1.4
1.2
2.2
0.7 Max.
2.5
0.7
1.2
0.9
0.8
3.2
#3
#4
#2
#1
Internal connection
# 4
# 1
# 3
# 4
# 1
# 3
# 2
# 2
2000M
E66RA
Frequency temperature characteristics
Series resistance (R1)
Item
Nominal frequency range
Temperature
range
Drive level
Frequency tolerance
Frequency temperature characteristics
Load capacitance
Series resistance
Shunt capacitance
Insulation resistance
Aging
Shock resistance
Operable temperature
0
C to +50
C
-10
C to +60
C
-20
C to +70
C
-30
C to +80
C
-40
C to +85
C
Frequency
16.0 MHz
f < 20.0 MHz
20.0 MHz
f < 25.0 MHz
25.0 MHz
f < 30.0 MHz
30.0 MHz
f
50.0 MHz
Series resistance
80
Max.
60
Max.
50
Max.
40
Max.
Frequency tolerance
8
10
-6
Min.
12
10
-6
Min.
15
10
-6
Min.
20
10
-6
Min.
30
10
-6
Min.
Symbol
f
T
STG
T
OPR
T
USE
GL
DL
f/f
C
L
R
1
C
0
IR
fa
S. R.
Specifications
16.000 MHz to 50.000 MHz
-40
C to +125
C
-40
C to +85
C
As per below table
2 mW Max.
10
W to 100
W
50 x 10
-6
(standard)
(
15 x 10
-6
to
50 x 10
-6
is available)
30 x 10
-6
(standard)
As per below table
7 pF to
(standard:12 pF)
As per below table
5.0 pF Max.
500 M
Min.
5 x 10
-6
/year Max.
10 x 10
-6
Max.
Remarks
Fundamental mode
Stored as bare product after unpacking
Specified equivalent series must be satisfied.
Specified equivalent series and frequency temperature characteristics must be satisfied.
Only crystal oscillation is guaranteed
Ta=+25
C
3
C
For the out of standard specifications,
please contact us for inquiries.
1
-20
C to +70
C
For the out of standard specifications,
please contact us for inquiries.
1
Please specify
Operable temperature range , DL=100
W
Ta=+25
C
3
C, first year
100 g dummy (Seiko Epson Standard) drop from 1500 mm height
on to the concrete 3 directions 10 times.
Storage temperature
Operating temperature
Operable temperature
Maximum drive level
Recommended drive level
1 f > 40 MHz : Only standard specifications
#2 and #4 is connected with a cover.
1
THIN SMD HIGH-FREQUENCY CRYSTAL UNIT
FA-238
High-density mounting-type SMD.
Excellent shock resistance.
Capable of covering a wide frequency range. (from 16 MHz to 50 MHz)
0.7 mm Max. thickness is equal to SMD-type IC.
Most suitable for small communication devices.
Actual size
Product number (please refer to page 1)
Q2 2 FA 2 3 8 x x x x x 0 0
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