25
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
# 2
2000M
E66RA
Specifications
16.000 MHz to 50.000 MHz
-55 °C to +125 °C
-20 °C to +70 °C
2 mW Max.
100 µW Typ.
±50 x 10-6
10 pF to ∞(standard:12 pF)
100 ΩMax. (16 MHz ≤f < 30 MHz)
60 ΩMax. (30 MHz ≤f ≤50 MHz)
5.0 pF Max.
500 MΩMin.
±5 x 10-6/year Max.
±10 x 10-6 Max.
THIN SMD HIGH-FREQUENCY CRYSTAL UNIT
FA-238
• High-density mounting-type SMD.
• Excellent reliability and environment capability.
• Capable of covering a wide frequency range. (from 20 MHz to 50 MHz)
• 0.7 mm Max. thickness is equal to SMD-type IC.
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
Symbol
f
TSTG
TOPR
GL
DL
∆f/f
CL
R1
C0
IR
fa
S. R.
Remarks
Fundamental mode
Stored as bare product after unpacking
Only crystal oscillation is guaranteed
Ta=+25 °C±3 °C
Please ask tighter tolerance
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 or excitation
test with 29400 m/s2x 0.3 ms x 1/2 sine wave x 3
directions
Storage temperature
Operating temperature
Maximum drive level
Recommended drive level
-20 °C to +70 °C
-10 °C to +60 °C
-20 °C to +70 °C
±30 x 10-6(STD)
Available from ±12 x 10-6 (Custom)
Available from ±15 x 10-6 (Custom)
Actual size
Products number
Q22FA238xxxxx00
#2 and #4 is connected with a cover.
