English
Language : 

405 Datasheet, PDF (2/3 Pages) CTS Corporation – Surface Mount Quartz Crystal
ELECTRICAL CHARACTERISTICS
Operating Mode
Crystal Cut
Frequency Range
PARAMETER
Frequency Tolerance @ 25°C
Frequency Stability Tolerance
(Operating Temperature Range, Referenced to 25°C Reading)
Operating Temperature Range
Storage Temperature Range
Equivalent Series Resistance
Load Capacitance or Resonance Mode
Shunt Capacitance (C0)
Drive Level
Reflow Condition, per JEDEC J-STD-020
Model 405
5.0x3.2mm Low Cost
Surface Mount Crystal
VALUE
Fundamental
AT-Cut
12.0 MHz to 50.0 MHz
± 30 ppm Standard
(± 10 ppm and ± 20 ppm Available)
± 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
See ESR Table
See Ordering Information
7.0 pF Maximum
(3.0 pF Typical)
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
( 5.00 ±0.2 )
0.197 ±0.008
Top View
#4
#3
( 3.20 ±0.15 )
0.126 ±0.006
XX.XXX
C**YWW
#2
#1
#2
( 1.05 )
0.041 MAX
( 2.60 )
0.102
( 1.2 )
0.047
1
2
4
3
( 0.9 )
0.035
( 1.40 )
0.055
Key: ( MM )
Inch
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.
MARKING INFORMATION
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.
5. Complete CTS part number, frequency value and
date code information must appear on reel and
box labels.
SUGGESTED SOLDER PAD GEOMETRY
0.047 [1.20]
0.035 [0.90]
4
3
0.087 [2.20]
1
2
0.146 [3.70]
[mm]
Key: Inch
Document No. 008-0253-0
Page 2 - 3
Ù  Ù  Ù  CTS Electronic Components, Inc. Ù  171 Covington Drive Ù  Bloomingdale, IL 60108 Ù  Ù  Ù 
Rev. F