Moisture Sensitivity Level (MSL) – This product is Hermetically Sealed and
not Moisture Sensitive - MSL = N/A: Not Applicable
FEATURES:
• Suitable for RoHS compliant reflow
• Low height reduced to 3.3mm
• Available suitable for thin equipment
• Tight stability & extended temperature
Reduced height
to 3.3mm
Pb
RoHS
Compliant
11.4 x 4.7 x 3.3 mm
APPLICATIONS:
• Computers, Modems, Microprocessors
• Wireless Applications
STANDARD SPECIFICATIONS:
PARAMETERS
Parameters
Minimum
3.579545
Typical
-----
-----
-----
Maximum
24.00
50.00
70.00
Units
Notes
Fundamental AT
(Standard)
Fundamental AT
or
BT
(See options)
3
rd
Overtone
(Standard)
)
Frequency
Range
24.01
24.01
MHz
Operation
Mode
Operating Temperature
Storage
Temperature
Frequency
Tolerance @+25°C
Frequency
Stability
over the Operating
Temperature (
ref. to
+25°C)
Equivalent series resistance
(R1)
Shunt capacitance
(C0)
Load capacitance
(CL)
Drive Level
Aging
Insulation Resistance
Drive level dependency
(DLD)
Fundamental
or 3
rd
Overtone
0
-----
+70
-55
-----
+125
-50
-----
+50
-50
-----
-----
-----
-5
-----
See table
1
below
-----
18
100
-----
+50
7
-----
1000
+5
ºC
ºC
ppm
ppm
Ω
pF
pF
µW
ppm
See
options
See options
See
options
(For BT
cut,
±100ppm
max.at
-10° C
to
+60° C
only)
Standard
(See
options if
other than
STD)
500
-----
-----
MΩ
Minimum 7 points tested: from
1µW
to
500µW.
Change in frequency
(Maximum -
Minimum) over
DLD
range < ±10ppm
Change in
ESR
(Maximum
-
Minimum) over
DLD
range <
25%
of Max
ESR
value.
Maximum
ESR
over
DLD
range < Max
ESR value.
ESR (Ω)
180
120
100
80
60
50
40
100
80
@25°C±3°C
First year
@ 100Vdc ± 15V
TABLE 1: ESR
FREQUENCY (MHz)
3.579545
- 4.999 (Fund.)
5.000 - 5.999 (Fund.)
6.000 - 7.999 (Fund.)
8.000 - 8.999 (Fund.)
9.000 - 9.999 (Fund.)
10.000 - 15.999 (Fund.)
16.000 - 50.000 (Fund.)
24.01 -
31.999
(3rd O/T)
32.000
- 70.00 (3rd O/T)
ABRACON IS
ISO
ISO9001:2008
9001 / QS 9000
CERTIFIED
Revised: 03.31.11
30332
Esperanza, Rancho Santa
Margarita,
California 92688
tel
949-546-8000
|
fax
949-546-8001
|
www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
HC/ 49US (AT49) LOW PROFILE SURFACE
MOUNT MICROPROCESSOR CRYSTAL
ABLS2
Pb
RoHS
Compliant
Options and Part Identification
(left blank if standard)
Reduced height
to 3.3mm
11.4 x 4.7 x 3.3 mm
| | | | | | | | | | | | | | |
ABLS2 -
Frequency in MHz
Please specify the frequency
in MHz. e.g. 14.31818MHz
MHz -
-
-
-
-
Packaging
Blank: Bulk
T: Tape&Reel
Oscillation Mode
F: Fund. AT>24MHz
FB: Fund. BT>24MHz
Load Capacitance (pF)
Please specify CL
(Minimum 10pF) in pF or
S for series
Custom ESR if other
than standard
R□
□:
Specify a value in
Ω
(e.g.: R40)
Operating Temp.
A: -10°C ~ +60°C
B: -20°C ~ +70°C
C: -30°C ~ +70°C
N: -30°C ~ +85°C
D: -40°C ~ +85°C
J*: -40°C ~ +105°C
K*: -40°C ~ +125°C
L*: -55°C ~ +125°C
Freq. Tolerance
H5: ± 5 ppm
1: ± 10 ppm
7: ± 15 ppm
2: ± 20 ppm
3: ± 25 ppm
4: ± 30 ppm
Freq. Stability
U**: ± 10 ppm
G: ± 15 ppm
X: ± 20 ppm
W: ± 25 ppm
Y: ± 30 ppm
H: ± 35 ppm
Q: ± 100 ppm
R: ± 150 ppm
NOTE: Fundamental BT frequency stability ± 100ppm max.
at -10° C to +60° C only.
* Frequency stability ±50ppm, ±100ppm, ±150ppm only.
Contact ABRACON for tighter frequency stability.
** -10 to +60C only.
ABRACON IS
ISO
ISO9001:2008
9001 / QS 9000
CERTIFIED
Revised: 03.31.11
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
HC/ 49US (AT49) LOW PROFILE SURFACE
MOUNT MICROPROCESSOR CRYSTAL
ABLS2
Pb
RoHS
Compliant
OUTLINE DRAWING:
Reduced height
to 3.3mm
11.4 x 4.7 x 3.3 mm
| | | | | | | | | | | | | | |
TAPE & REEL:
T = tape and reel (1000pcs/reel)
Reflow Profile
Dimensions: mm
ATTENTION:
Abracon Corporation’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications.
Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability where component
failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization
from Abracon Corporation is required. Please contact Abracon Corporation for more information.
ABRACON IS
ISO
ISO9001:2008
9001 / QS 9000
CERTIFIED
Revised: 03.31.11
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
一、引言（简介） 齐鲁石化储运厂的汽车装车系统担负着乙烯新区的汽运出厂任务，年出厂苯、环氧氯丙烷，对苯等产品70余万吨。在该岗位改造时遇到了以下难题: 1．该工号现有20套汽车装车系统，现场环境属于防爆Zone I ,因此质量流量计在选型时采用了隔爆型号，不允许带电情况下开箱维护，但是，由于现场环境特殊，为了保证装车系统的累计流量的精确，需要定期对质量流量计进行调零，而现场的防爆要求不允许仪表...[详细]
DIY/开源硬件专区
