HC/ 49US (AT49) LOW PROFILE SURFACEMOUNT MICROPROCESSOR CRYSTALABLS2Moisture Sensitivity Level (MSL) – This product is Hermetically Sealed andnot 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

Pb RoHS
CompliantReduced height
to 3.3mm

11.4 x 4.7 x 3.3 mm

APPLICATIONS:• Computers, Modems, Microprocessors• Wireless Applications

STANDARD SPECIFICATIONS:PARAMETERSParameters

Frequency Range

MinimumTypicalMaximum

3.579545

-----

24.00

24.01

-----

50.00

24.01

-----

70.00

UnitsNotes

MHz

Fundamental AT(Standard)
Fundamental AT or BT(See options)
3rd Overtone(Standard)

Fundamental or 3rd Overtone
0----+70-55----+125-50----+50ºCºCppm

-50

-----

+50ppmEquivalent series resistance (R1)
Shunt capacitance (C0)-----

See table 1 below
-----

7

Ω
pF

Load capacitance (CL)-----

18-----

pF

Drive Level-----

1001000µW

Aging-5-----+5ppm

Operation Mode
Operating Temperature
Storage Temperature
Frequency Tolerance @+25°C
Frequency Stability over the Operating
Temperature ( ref. to +25°C)

Insulation Resistance
Drive level dependency (DLD)

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)

@25°C±3°C
First year
@ 100Vdc ± 15V

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 ESRvalue.
Maximum ESR over DLD range < Max ESR value.

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)

ESR (Ω)
18012010080
60
504010080
REVISED: 11.15.2016

LL C5101 Hidden Creek Lane Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sale please visit:www.abracon.com

ABRACON IS
ISO9001-2008
CERTIFIED)HC/ 49US (AT49) LOW PROFILE SURFACEMOUNT MICROPROCESSOR CRYSTALABLS2Reduced height
to 3.3mm

Pb RoHS
Compliant11.4 x 4.7 x 3.3 mm| | | | | | | | | | | | | | |Options and Part Identification(left blank if standard)

ABLS2 -MHz ----

Packaging
Blank: Bulk
T: Tape&Reel

Frequency in MHz
Please specify the frequency
in MHz. e.g. 14.31818MHz

Oscillation Mode
F: Fund. AT>24MHzFB: Fund. BT>24MHz

Load Capacitance (pF)
Please specify CL(Minimum 10pF) in pF orS for series
Custom ESR if otherthan standardR□□: 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.
** Contact ABRACON for availability of ±10ppm with other Operating Temperature options.

LL C

5101 Hidden Creek Lane Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sale please visit:www.abracon.com

REVISED: 11.15.2016
ABRACON IS
ISO9001-2008
CERTIFIEDHC/ 49US (AT49) LOW PROFILE SURFACEMOUNT MICROPROCESSOR CRYSTALABLS2Reduced height
to 3.3mm

Pb RoHS
Compliant11.4 x 4.7 x 3.3 mm| | | | | | | | | | | | | | |OUTLINE DRAWING:

TAPE & REEL: T = tape and reel (1000pcs/reel)

Reflow ProfileZone

Description

TemperatureTime

1Preheat

TSMIN ~ TSMAX
150°C ~ 180°C

60 ~ 120 sec.

2TL
230°C

30 ~ 40 sec.

3

TP260°C

10 sec. MAX

Peak Heat

Dimensions: mm
ATTENTION: Abracon 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 authorizationfrom Abracon is required. Please contact Abracon for more information.

LL C5101 Hidden Creek Lane Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sale please visit:www.abracon.com

REVISED: 11.15.2016
ABRACON IS
ISO9001-2008
CERTIFIED