Model 403
3.2x2.5mm Low Cost
Surface Mount Crystal
ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Mode
Crystal Cut
VALUE
Fundamental
AT-Cut
Frequency Range
12.0 MHz to 50.0 MHz
± 30 ppm Standard
(± 10 ppm, ± 15 ppm and ± 20 ppm Available)
Frequency Tolerance @ 25°C
Frequency Stability Tolerance
(Operating Temperature Range, Referenced to 25°C Reading)
± 50 ppm Standard
(± 10 ppm, ± 15 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)
-20°C to +70°C Standard
(-40°C to +85°C Available)
± 3 ppm/year Maximum
-55°C to +125°C
Operating Temperature Range
Aging
Storage Temperature Range
Equivalent Series Resistance
Load Capacitance or Resonance Mode
See ESR Table
See Ordering Information
5.0 pF Maximum
Shunt Capacitance (C0)
(3.0 pF Typical)
Drive Level
Reflow Condition, per JEDEC J-STD-020
10 µW Typical, 100 µW Maximum
+255°C ± 5°C, 10 Seconds Maximum
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
12.00 MHz - 13.999 MHz
14.00 MHz - 15.999 MHz
16.00 MHz - 19.999 MHz
20.00 MHz - 50.00 MHz
MODE of OSCILLATION ESR Maximum
Fundamental
Fundamental
Fundamental
Fundamental
150 Ohms
100 Ohms
80 Ohms
60 Ohms
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. XX.XX – Frequency marked with 2 significant
digits after the decimal.
2. C – CTS and Pin 1 identifier.
( 3.20 ±0.20 )
0.126 ±0.008
Top View
#4
#3
3. YWW – Date Code, Y – Last Digit of Year,
WW – Week.
4. Complete CTS part number, frequency value
and date code information must appear on reel
and box labels.
( 2.50 ±0.20 )
XX.XX
CYWW
0.098 ±0.008
NOTES
1. Termination pads (e4), barrier-plating is nickel
#2
#1
#2
(Ni) with gold (Au) flash plate.
2. Terminations #2, #4 and the metal lid are
connected internally. End user may connect
these pins to circuit ground.
( 0.80 )
0.031
MAX
( MM )
Inch
Key:
SUGGESTED SOLDER PAD GEOMETRY
( 1.2 )
0.047
( 1.0 )
0.039
0.039 [1.00]
( 0.8 )
0.031
1
4
2
3
0.035 [0.90]
( 0.7 )
0.028
4
1
3
2
0.061 [1.55]
Bottom View
[mm]
Key:
0.085 [2.15]
Inch
Document No. 008-0288-0
Page 2 - 3
Rev. F
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CTS Electronic Components, Inc. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
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