445A21AMXXXXX CTS [CTS Corporation], 445A21AMXXXXX Datasheet - Page 2

• Manufacturer Part Number: 445A21AMXXXXX
• Description: Surface Mount Quartz Crystal
• Manufacturer: CTS [CTS Corporation]

Document No. 008-0360-0
ELECTRICAL CHARACTERISTICS
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
TABLE I – DATE CODE
2001
2002
2003
2004
YEAR
2005
2006
2007
2008
Frequency Range
Operating Mode
Crystal Cut
Frequency Tolerance @ +25°C
Frequency Stability Tolerance
Operating Temperature Ranges
Equivalent Series Resistance
Load Capacitance or Resonance Mode
Shunt Capacitance (C
Drive Level
Aging @ +25°C
Storage Temperature Range
(Operating Temperature Range, Referenced to 25°C Reading)
M445
CDXXX
2009
2010
2011
2012
MONTH
2013
2014
2015
2016
PARAMETER
2017
2018
2019
2020
0
)
JAN
A
N
n
a
[Maximum]
FEB
B
P
b
p
MAR
Page 2 - 2
Q
C
q
c
APR
D
R
d
r
MAY
10 MHz - < 12 MHz
12 MHz - < 16 MHz
16 MHz - < 30 MHz
30 MHz - < 50 MHz
10 MHz to 50 MHz
Fundamental
AT-Cut
±20 ppm, ±30 ppm
±10 ppm, ±15 ppm,
±20 ppm, ±30 ppm, ±50 ppm
0°C to +50°C
-20°C to +70°C
See Ordering Information
5.0 pF Typical, 7.0 pF Maximum
10 µW Min., 100 µW Typ., 300 µW Max.
±3 ppm/yr Typical
-40°C to +85°C
E
S
e
s
MARKING INFORMATION
1. M445 - CTS Model Series.
2. C – CTS.
3. D – Date code. See Table I for codes.
4. XXX – Frequency code.
NOTES
1. Complete CTS part number, frequency value,
2. Termination pads (e4); barrier plating is nickel
3. Reflow conditions per JEDEC J-STD-020; 260°C
SUGGESTED SOLDER PAD GEOMETRY
120 = 12.00 143 = 14.31818 200 = 20.00 245 = 24.5760 270 = 27.00
130 = 13.00 160 = 16.0000 240 = 24.00 250 = 25.0000 300 = 30.00
JUN
F
T
t
f
date code and manufacturing site code
information must appear on reel and carton
labels.
[Ni] with gold [Au] flash plate.
maximum, 10 seconds.
JUL
G
U
g
u
VALUE
Quartz Crystal
AUG
H
V
h
v
Model 445
-10°C to +60°C
-40°C to +85°C
Frequency Code
SEP
W
w
J
j
100 Ohms
50 Ohms
40 Ohms
30 Ohms
OCT
K
X
k
x
NOV
Y
L
y
l
Rev. B
DEC
M
m
Z
z