Model 405
5.0x3.2mm 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 and ± 20 ppm Available)
Frequency Tolerance @ 25°C
Frequency Stability Tolerance
(Operating Temperature Range, Referenced to 25°C Reading)
± 50 ppm Standard
(± 10 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)
-20°C to +70°C Standard
(-40°C to +85°C Available)
-55°C to +125°C
Operating Temperature Range
Storage Temperature Range
Equivalent Series Resistance
See ESR Table
Load Capacitance or Resonance Mode
See Ordering Information
7.0 pF Maximum
Shunt Capacitance (C0)
(3.0 pF Typical)
Drive Level
Reflow Condition, per JEDEC J-STD-020
25 µW Typical, 100 µW Maximum
+255°C ± 5°C, 10 Seconds Maximum
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE MODE of OSCILLATION ESR Maximum
12.00 MHz - 50.00 MHz
Fundamental
50 Ohms
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
( 5.00 ±0.2 )
1. XX.XXX – Frequency marked with 3 significant
digits after the decimal.
2. C – CTS and Pin 1 identifier.
3. ** - Manufacturing Site Code.
4. YWW – Date Code, Y – Last Digit of Year,
WW – Week.
Top View
0.197 ±0.008
#4
#3
( 3.20 ±0.15 )
0.126 ±0.006
XX.XXX
5. Complete CTS part number, frequency value and
date code information must appear on reel and
box labels.
C**YWW
#2
#1
#2
( 1.05 )
MAX
SUGGESTED SOLDER PAD GEOMETRY
0.041
( MM )
Key:
0.047 [1.20]
Inch
( 2.60 )
0.102
( 1.2 )
0.047
( 0.9 )
0.035
0.035 [0.90]
1
4
2
3
4
1
3
2
( 1.40 )
0.055
0.087 [2.20]
Bottom View
Notes:
1. Termination pads (e4), barrier-plating is nickel (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.
[mm]
Key:
0.146 [3.70]
Inch
Document No. 008-0253-0
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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