425F18JFREQ2 [CTS]
Parallel - Fundamental Quartz Crystal, 20MHz Min, 29.999MHz Max, GREEN COMPLIANT, CERAMIC, METAL, 4 PIN;型号: | 425F18JFREQ2 |
厂家: | CTS |
描述: | Parallel - Fundamental Quartz Crystal, 20MHz Min, 29.999MHz Max, GREEN COMPLIANT, CERAMIC, METAL, 4 PIN 驱动 晶体 谐振器 |
文件: | 总3页 (文件大小:227K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Model 425
Surface Mount Quartz Crystal
FEATURES
• Standard 2.5x2.0mm Surface Mount Footprint
• Stable Frequency Over Temperature and
Drive Level
• Fundamental Crystal Design
• Frequency Range 16 – 54 MHz
• Frequency Tolerance, ±30 ppm Standard
(±10 ppm, ±15 ppm and ±20 ppm available)
• Frequency Stability, ±50 ppm Standard
(±10,±15,±20,±30 and ±40 ppm available)
• Operating Temperature to –40°C to +85°C
• Tape & Reel Packaging, EIA-481-2 Compliant
• RoHS/Green Compliant (6/6)
DESCRIPTION
The Model 425 is a ceramic packaged Crystal
offering reduced size, ideal for high-density
circuit board applications. The Model 425 offers
reliable precision and excellent shock
performance in wireless telecommunication
devices.
ORDERING INFORMATION
425
M
FREQUENCY IN MHz
MODE OF OSCILLATION
F = Fundamental
M - indicates MHz and decimal point.
Frequency is recorded with minimum 4
significant digits to the right of the "M".
FREQUENCY TOLERANCE @ 25°C
LOAD CAPACITANCE
1 = ± 10 ppm
X = ± 15 ppm
2 = ± 20 ppm
3 = ± 30 ppm (standard)
A = 10 pF
B = 13 pF
C = 16 pF
D = 18 pF
E = 20 pF
F = 24 pF
G = 30 pF
H = 32 pF
J = 9 pF
K = 8 pF
L = 12 pF
S = Series
STABILITY TOLERANCE/TEMPERATURE RANGE
Over Operating Temperature Range
(Referenced to 25°C Reading)
1 = ± 10 ppm, -20°C to +70°C
X = ± 15 ppm, -20°C to +70°C
2 = ± 20 ppm, -20°C to +70°C
3 = ± 30 ppm, -20°C to +70°C
4 = ± 40 ppm, -20°C to +70°C
5 = ± 50 ppm, -20°C to +70°C (standard)
6 = ± 20 ppm, -40°C to +85°C
7 = ± 30 ppm, -40°C to +85°C
8 = ± 40 ppm, -40°C to +85°C
9 = ± 50 ppm, -40°C to +85°C
Example Part Numbers:
425F35E014M3181
425FX9A050M0000
Custom performance characteristics are available upon request.
Use form C052 to detail non-standard parameters.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
Document No. 008-0332-0
Page 1 - 3
Rev. B
٠
٠
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CTS Electronic Components, Inc. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
٠
٠
٠
٠
٠
www.ctscorp.com ٠
٠
٠
Model 425
2.5x2.0mm Low Cost
Surface Mount Crystal
ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Mode
Crystal Cut
VALUE
Fundamental
AT-Cut
Frequency Range
16.0 MHz to 54.0 MHz
± 30 ppm Standard
(± 10 ppm, ±15 ppm and ± 20 ppm Available)
Frequency Tolerance @ 25°C
Frequency Stability Tolerance
± 50 ppm Standard
(Operating Temperature Range, Referenced to 25°C Reading)
(± 10 ppm, ±15 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)
-20°C to +70°C Standard
(-40°C to +85°C Available)
Operating Temperature Range
Storage Temperature Range
Equivalent Series Resistance
Load Capacitance or Resonance Mode
Shunt Capacitance (C0)
Drive Level
-40°C to +85°C
See ESR Table
See Ordering Information
5.0 pF Maximum
10 µW Typical, 100 µW Maximum
± 3 ppm/year maximum
+255°C ± 5°C, 10 Seconds Maximum
Aging @ 25°C
Reflow Condition, per JEDEC J-STD-020
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
16.00 MHz - 19.999 MHz
20.00 MHz - 29.999 MHz
30.00 MHz - 39.999 MHz
40.00 MHz - 54.000 MHz
MODE of OSCILLATION ESR Maximum
Fundamental
Fundamental
Fundamental
Fundamental
100 Ohms
80 Ohms
80 Ohms
60 Ohms
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
( 2.50 ±0.10 )
MARKING INFORMATION
0.098 ±0.004
1. XX.XX – Frequency in MHz.
Top View
#4
#3
2. C – CTS and Pin 1 identifier.
3. ** – Manufacturing Site Code.
4. D – Manufactured Date Code. See Table I for
codes.
( 2.00 ±0.10 )
XX.XX
0.079 ±0.004
5. Complete CTS part number, frequency value and
date code information must appear on reel and
box labels.
C**D
#2
#1
#2
( 0.65 )
MAX
0.026
SUGGESTED SOLDER PAD GEOMETRY
( 0.725 )
0.029
( 0.675 )
0.027
0.039 [1.00]
0.035 [0.90]
1
2
( 0.700 )
0.028
4
1
3
2
Bottom View
4
3
0.061 [1.55]
( MM )
Inch
Key:
( 1.625 )
0.064
Notes:
[mm]
Key:
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.
0.073 [1.85]
Inch
Document No. 008-0332-0
Page 2 - 3
Rev. B
٠
٠
٠
CTS Electronic Components, Inc. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
٠
٠
Model 425
2.5x2.0mm Low Cost
Surface Mount Crystal
TABLE I
MONTH
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
YEAR
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
A
N
a
B
P
b
p
C
Q
c
D
R
d
r
E
S
e
s
F
T
f
G
U
g
H
V
h
v
J
W
j
K
X
k
x
L
Y
l
M
Z
m
z
n
q
t
u
w
y
TAPE AND REEL INFORMATION
DIMENSIONS IN MILLIMETERS
11.50
1.75
Ø1 3
Ø1 . 5 5
4.00
4.00
1.75
1.55
120°
8.00
2.70
Ø178
Ø6 0
2.25
DIRECTION OF FEED
Ø2 3
Device quantity is 3,000 pieces mimimum per 178mm reel.
ENVIRONMENTAL SPECIFICATIONS
Temperature Cycle:
Mechanical Shock:
Sinusoidal Vibration:
400 cycles from –55°C to +125°C, 10 minute dwell at each temperature, 1 minute transfer time
between temperatures.
1,500g’s, 0.5mS duration, ½ sinewave, 3 shocks each direction along 3 mutually perpendicular
planes (18 total shocks).
0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles each in 3 mutually
perpendicular planes (9 times total).
Gross Leak:
No leak shall appear while immersed in an FC40 or equivalent liquid at +125°C for 20 seconds.
Mass spectrometer leak rates less than 2x10-8 ATM cc/sec air equivalent.
Product must survive 3 reflows of +260°C peak, 10 seconds maximum.
2,000 hours at +125°C, disregarding frequency shift.
1,000 hours at +85°C, maximum ±5 ppm shift.
Fine Leak:
Resistance to Solder Heat:
High Temperature Operating Bias:
Frequency Aging:
Insulation Resistance:
Moisture Sensitivity Level:
500M Ohms @ 100VDC ±15VDC.
Level 1 per JEDEC J-STD-020.
Document No. 008-0332-0
Page 3 - 3
Rev. B
٠
٠
٠
CTS Electronic Components, Inc. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
٠
٠
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