HC/49US (AT49) ULTRA LOW ESR
SMD LOW PROFILE CRYSTAL
ABLS-LR
Pb
RoHS
Compliant
11.5 x 4.8 x 4.2 mm
| | | | | | | | | | | | | | |
FEATURES:
• Ultra low ESR as low as 20 ohms for 4MHz, 85% lower than ABLS 4MHz
• Low negative resistance(-R) IC design can ensure high oscillation margin
• Tight stability and automotive grade temperature available
• Hermetically resistance weld sealed
APPLICATIONS:
• Low negative resistance u-controller design
for low frequency
• Wide range of automotive applications
• Industrial applications
STANDARD SPECIFICATIONS:
PARAMETERS
ABRACON P/N
Frequency
Operation Mode
Operating Temperature
Storage Temperature
Frequency Tolerance
Frequency Stability over the
Operating Temp. (Ref to +25°C)
Equivalent Series Resistance (R1)
Shunt Capacitance C
0
Load Capacitance C
L
Drive Level
Aging at 25°C Per Year
Insulation Resistance
Spurious Responses
Drive level dependency (DLD)
ABLS-LR Series
3.5 MHz to 36 MHz
AT cut (Fundamental)
TABLE 1: ESR
FREQUENCY (MHz) ESR (Ω) Max.
3.500000 - 3.999999
30
4.000000 - 4.999999
20
5.000000 - 5.999999
20
6.000000 - 6.999999
20
7.000000 - 8.999999
15
9.000000 - 12.999999
15
13.000000 - 19.999999
10
10
20.000000 - 36.000000
0°C to + 70°C (see options)
55°C to + 125°C
± 50 ppm max. (see options)
± 50 ppm max. (see options)
See Table 1
7pF max.
18pF (see options)
1 mW max., 100µW typical
± 5ppm max.
500 M
Ω
min at 100Vdc ± 15V
-3dB max.
from 1μW to 500μW
(
minimum 7 points tested)
•
Change in frequency (Maximum - Minimum)
•
Change in ESR (Maximum - Minimum)
•
Maximum ESR over DLD range
< Max ESR value
over DLD range < 25% of Max ESR value
OPTIONS & PART IDENTIFICATION:
(Left blank if standard)
Frequency
ABLS - LR - Frequency -
-
-
-
-
Packaging
XX.XXXX MHz
Load Capacitance
Please specify CL in pF or S
for Series (minimun 10pF)
Operating Temp.
A
-10°C to +60°C
B
-20°C to +70°C
C
-30°C to +70°C
N
-30°C to +85°C
D
-40°C to +85°C
J*
-40°C to +105°C
K*
-40°C to +125°C
L*
-55°C to +125°C
Freq. Tolerance
H5
± 5 ppm
1
± 10 ppm
7
± 15 ppm
2
± 20 ppm
3
± 25 ppm
4
± 30 ppm
T for Tape and Reel
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
* Frequency stability ±50ppm, ±100ppm, ±150ppm only.
Contact ABRACON for tighter frequency stability.
** -10 to +60C only.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 05.05.09
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) ULTRA LOW ESR
SMD LOW PROFILE CRYSTAL
ABLS-LR
Pb
RoHS
Compliant
11.5 x 4.8 x 4.2 mm
| | | | | | | | | | | | | | |
OUTLINE DRAWING:
Dimensions: mm
Dimensions: Inches (mm)
TAPE & REEL:
T= tape and reel (1,000pcs/reel)
REFLOW PROFILE:
Dimensions: mm
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 05.05.09
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
嵌入式系统
