22
Crystal unit
D1
L1L2
B
D2
(Unit: mm)
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CYLINDER HIGH-FREQUENCY CRYSTAL UNIT
CA-301
• Compact design with case as small as 3 mm in diameter while still
maintaining excellent characteristics of AT-cut.
• High-stability assured with tight vacuum sealing.
• Capable of covering a frequency range from 4 MHz to 64 MHz.
Item
Nominal frequency range
Temperature
range
Drive level
Frequency tolerance (standard)
Frequency temperature characteristics
(standard)
Load capacitance
Series resistance
Shunt capacitance
Insulation resistance
Aging
Shock resistance
Storage temperature
Operating temperature
Maximum drive level
Recommended level
Symbol
f
TSTG
TOPR
GL
DL
∆f/f
CL
R1
C0
IR
fa
S.R.
Specifications
4.000 MHz to 29.999 MHz
30.000 MHz to 64.000 MHz
-40 °C to +85 °C
-20 °C to +70 °C
2 mW Max.
10 µW to 100 µW
±30 x 10-6 (Under 5.5 MHz: ±50 x 10-6,±100 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 below table
5 pF Max.
500 MΩMin.
±5 x 10-6/year Max.
±10 x 10-6 Max.
∗
1
∗
2
Remarks
Fundamental mode
3rd overtone mode
Stored as bare product after unpacking
The operating temperature range is -10 °C to +60 °C
for 5.5 MHz and below
Only crystal oscillation is guaranteed
Ta=+25 °C
-10 °C to +60 °C
-20 °C to +70 °C
Please specify
-20 °C to +70 °C, DL=100 µW
Ta=+25 °C±3 °C, first year
Three drops on a hard board from 750 mm height or
excitation test with 29400 m/s2x 0.3 ms x 1/2 sine
wave x 3 directions
∗1 8.0 MHz
<
f
<
8.2 MHz: Unavailable. 4.0 MHz f < 5.5 MHz : As per below table.
∗2 26.000 MHz ≤f < 30.000 MHz : please contact us for inquiries for 3rd overtone mode.
<
=
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
26.0 ≤f < 36.0
36.0 ≤f ≤64.0
Series resistance (Ω)
150 ΩMax.
100 ΩMax.
80 ΩMax.
60 ΩMax.
50 ΩMax.
40 ΩMax.
100 ΩMax.
80 ΩMax.
mode
Fundamental
3rd overtone
Frequency (MHz)
4.000 MHz
4.032 MHz
4.096 MHz
4.190 MHz
4.194304 MHz
4.433619 MHz
4.500 MHz
4.800 MHz
4.842673 MHz
4.9152 MHz
Model
CA-301
Under 5.5 MHz
Over 5.5 MHz
L1
9.3 Max.
8.9 Max.
L2
9.5 Min.
9.5 Min.
D1
ø3.1 Max.
ø3.1 Max.
D2
ø0.3
ø0.3
B
1.1
1.1
Sample products are without marking.
Actual size
Product number (please refer to page 1)
Q21CA301xxxxx00
