Visit www.abracon.com for Terms & Conditions of Sale
HC49/US (AT49) LOW PROFILE SMD
MICROPROCESSOR CRYSTAL
ABLS3
Pb
RoHS
Compliant
OPTIONS & PART IDENTIFICATION:
(Left blank if standard)
Reduced height
to 2.5/2.6mm
to 2.5mm
11.4 x 4.7 x 2.5/2.6mm
| | | | | | | | | | | |
| | |
ABLS3 -
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.
** -10 to +60C only.
Contact ABRACON for tighter frequency stability.
ABRACON IS
ISO 9001:2008
ISO 9001 / QS 9000
CE RTIFIED
Revised: 07.05.11
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| w ww.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
HC49/US (AT49) LOW PROFILE SMD
MICROPROCESSOR CRYSTAL
ABLS3
Pb
RoHS
Compliant
OUTLINE DRAWING:
TAPE & REEL:
T = tape and reel (1000pcs/reel)
Reduced height
to 2.5/2.6mm
to 2.5mm
11.4 x 4.7 x 2.5/2.6mm
| | | | | | | | | | | |
| | |
H: 2.5mm max for frequency 6MHz or higher
2.6mm max for frequency lower than 6MHz
Dimensions: inches (mm)
REFLOW PROFILE:
ATTENTION:
Abracon Corporation’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applica-
tions. 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 9001:2008
ISO 9001 / QS 9000
CE RTIFIED
Revised: 07.05.11
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| w ww.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
O 引言 在某些工业生产过程中,如恒温炉、仓库储藏、花卉种植、小型温室等领域都对温度有着严格的要求,需要对其加以检测和控制。传统的温度测量方法是将温度传感器输出的模拟信号放大后送至远端A/D转换器,最后单片机对A/D转换后的数据进行分析处理。这种方法的缺点是模拟信号在传输的过程中存在损耗并且容易受到外界的干扰,导致测量的温度精度不高。 文中以STC89C52RC单片机为控制核心,利用美国...[详细]