106KB - Epson

Crystal unit
THIN SMD HIGH-FREQUENCY CRYSTAL UNIT
FA-248
Product number (please refer to page 1)
Q22FA248xxxxx00
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High-density mounting-type SMD.
Excellent shock resistance.
Capable of covering a wide frequency range. (from 12 MHz to 27 MHz)
0.9 mm Typ. thickness is equal to SMD-type IC.
Most suitable for small communication devices.
Available for lead (Pb)-free soldering.
Lead (Pb)-free terminal product.
Actual size
 Specifications (characteristics)
Item
Symbol
Nominal frequency
Temperature
range
f
Specifications
Remarks
12.000 MHz to 27.000 MHz
Fundamental mode 27 MHz < f ≤ 32 MHz
Please contact us for inquiries.
Storage temperature
TSTG
-40 ˚C to +125 ˚C
Stored as bare product after unpacking
Operating temperature
TOPR
-20 ˚C to +70 ˚C / -40 ˚C to +85 ˚C
Specified equivalent series must be satisfied.
Operable temperature
TUSE
As per below table
Specified equivalent series and frequency temperature
characteristics must be satisfied.
Recommended drive level
DL
10 µW to 100 µW
Frequency tolerance
Δf/f
±10 x 10-6, ±15 x 10-6, ±20 x 10-6 ∗1
Ta = +25 ˚C ±3 ˚C
±15 x 10 , ±20 x 10 (Standard) ∗1
As per below table
-20 ˚C to +70 ˚C
Frequency temperature
characteristics
-6
-6
Load capacitance
CL
10 pF to ∞
Please specify
Series resistance
R1
As per below table
Operable temperature range , DL = 100 µW
Shunt capacitance
C0
5.0 pF Max.
Insulation resistance
IR
500 MΩ Min.
Aging
fa
±2 x 10-6 / year Max.
Ta = +25 ˚C ±1 ˚C, first year
±5 x10-6 Max.
100 g dummy (Seiko Epson Standard) drop from 1500 mm height
on to the concrete 3 directions 10 times.
Shock resistance
S.R.
∗1 Please ask tighter telerance.
 Frequency temperature characteristics
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
 Series resistance (R1)
Frequency tolerance
±5 x 10-6 Min.
±7 x 10-6 Min.
±10 x 10-6 Min.
±15 x 10-6 Min.
±20 x 10-6 Min.
Frequency
12.0 MHz ≤ f < 13.0 MHz
13.0 MHz ≤ f < 16.0 MHz
16.0 MHz ≤ f < 20.0 MHz
20.0 MHz ≤ f ≤ 27.0 MHz
 External dimensions
(Unit: mm)
#3
#4
#3
2.0
Series resistance
70 Ω Max.
60 Ω Max.
50 Ω Max.
40 Ω Max.
 Recommended soldering pattern
#4
#1
#2
4.0±0.1
#2
0.9±0.1
0.9
#1
29
1.15
#1
Internal connection
#4
1.6
0.8
0.7
2.5±0.1
3.0
#3
#2
1.4
(Unit: mm)