ETC CA-301

Crystal unit
CYLINDER HIGH-FREQUENCY CRYSTAL UNIT
CA-301
Product number (please refer to page 1)
Q21CA 3 0 1 x x x x x 0 0
• 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.
Actual size
Symbol
Item
4.000 MHz to 29.999 MHz
∗1
Fundamental mode
30.000 MHz to 64.000 MHz
∗2
3rd overtone mode
f
Nominal frequency range
Temperature
range
Remarks
Specifications
Storage temperature
TSTG
-40 °C to +85 °C
Stored as bare product after unpacking
Operating temperature
TOPR
-20 °C to +70 °C
The operating temperature range is -10 °C to +60 °C
for 5.5 MHz and below
Maximum drive level
GL
2 mW Max.
Only crystal oscillation is guaranteed
Drive level
Recommended level
Frequency tolerance (standard)
DL
10 µW to 100 µW
∆f/f
±30 x 10-6 (Under 5.5 MHz: ±50 x 10-6,±100 x 10-6)
Ta=+25 °C
Under 5.5 MHz: ±50 x 10-6
-10 °C to +60 °C
Over 5.5 MHz: ±30 x 10-6
-20 °C to +70 °C
Frequency temperature characteristics
(standard)
Load capacitance
CL
Series resistance
R1
As per below table
Shunt capacitance
C0
5 pF Max.
Insulation resistance
IR
500 MΩ Min.
Aging
fa
±5 x 10-6/year Max.
S.R.
±10 x 10-6 Max.
Fundamental: 10 pF to ∞.
Over tone: 5 pF to ∞
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
Shock resistance
excitation test with 29400 m/s2 x 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)
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.
(Unit: mm)
mode
B
D1
Fundamental
D2
!"
L1
3rd overtone
L2
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
L1
L2
D1
Under 5.5 MHz 9.3 Max. 9.5 Min. ø3.1 Max.
CA-301
Over 5.5 MHz 8.9 Max. 9.5 Min. ø3.1 Max.
D2
B
ø0.3
1.1
ø0.3
1.1
Sample products are without marking.
22