CRYSTAL UNIT
ATS SERIES
ATS-49/U, ATS-25/U, ATS-51/U
-
-
-
-
ATS Holder Type Package
AT-Cut or BT-Cut Available
Resistance Weld Seal
Tape and Reel, Insulator Tab, Three Leads
and Custom Lead Length Options Available
-
Tight Tolerance / Stability
-
Pb-free and RoHS Compliance
■ ELECTRICAL SPECIFICATIONS
Frequency Range
Operating Temperature Range
Storage Temperature Range
Frequency Tolerance (at 25 ℃)
Frequency Stability
Over Operating Temperature Range
Load Capacitance (CL)
Drive Level
Shunt Capacitance (C0)
Aging (at 25 ℃)
Insulation Resistance
3.2768 to 60.000 MHz
-20 to +70 ℃, -40 to +85 ℃, or specify
-40 to +85 ℃
±15, ±30, ±50 ppm(STD), or specify
±10 to ±50 ppm(-20 to +70 ℃)
±20 to ±100 ppm(-40 to +85 ℃)
18 pF(STD), Custom CL≥10 pF or Series Resonant
100 ㎼(1000 ㎼ Max.)
7.0 pF Max.
±3 ppm/year Max.
500 MΩ Min. at 100 V
DC
■ EQUIVALENT SERIES RESISTANCE(ESR)
Frequency Range(MHz)
3.2768 ~ 3.999
4.000 ~ 4.999
5.000 ~ 5.999
6.000 ~ 7.999
8.000 ~ 9.999
10.000 ~ 11.999
12.000 ~ 14.999
15.000 ~ 19.999
20.000 ~ 27.000
27.000 ~ 32.999
33.000 ~ 45.158
24.576 ~ 47.999
48.000 ~ 60.000
ESR(Ω Max.)
150
120
100
90
70
60
50
40
30
50
40
80
60
Mode of Oscillation
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / AT-Cut
Fundamental / BT-Cut
Fundamental / BT-Cut
3rd Overtone
3rd Overtone
■ MECHANICAL DIMENSIONS
(mm)
http://www.sunny.co.kr
SUNNY ELECTRONICS CORP
CRYSTAL UNIT
■ PART NUMBERING GUIDE
S C 18 1 50 J7
–
27.00000
–
T&R
Temp
PACKAGE TYPE
C : ATS-25/U
D : ATS-49/U, E : ATS-51/U
LOAD CAPACITANCE
18 : 18pF
SR : SERIES
MODE OF OSCILLATION
1 : FUNDAMENTAL
3 : 3
RD
OVERTONE
FREQUENCY
TOLERANCE AT 25 ℃
50 : ±50 ppm
XX : Two digit for Tolerance
PACKAGE OPTION
BLANK : BULK
T&R : TAPE & REEL
■ TABLE 1.
FREQUENCY STABILITY VS. TEMPERATURE RANGE
Stability
-10~70℃
-20~70℃
-30~60℃
-20~85℃
-30~70℃
FREQUENCY
±10
3
*
*
*
±15
4
*
*
*
*
±20
5
*
*
*
*
*
±30
6
*
*
*
*
*
*
*
*
*
±50
7
*
*
*
*
*
*
*
*
*
±100
8
*
*
*
*
*
*
*
*
*
D
E
F
G
H
I
J
K
L
M
-30~85℃
-40~85℃
-40~90℃
TABLE 1.
XX : Two digit for Stability
-40~105℃
-40~125℃
■
ENVIRONMENTAL & MECHANICAL SPECIFICATIONS
Temperature Cycling
Fine Leak Test
Gross Leak Test
Mechanical Shock
Vibration
Moisture Resistance
Moisture Sensitivity
Resistance to Soldering Heat
Solderability
MIL-STD-883, Method 1010, Condition B
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
MIL-STD-202, Method 213, Condition C
MIL-STD-883, Method 2007, Condition A
MIL-STD-883, Method 1004
J-STD-020, MSL 1
MIL-STD-202, Method 210, Condition K
MIL-STD-883, Method 2003
■ REFLOW PROFILE
■ MARKING GUIDE
A: AT-CUT FUND.
B: BT-CUT FUND.
C: AT-CUT 3RD OVERTONE
LINE 1 :
LINE 2 :
Year
Week
SC XX.XXX
A YY WW
Frequency in MHz
■ TAPE AND REEL DIMENSIONS
1,000pcs/reel
http://www.sunny.co.kr
SUNNY ELECTRONICS CORP
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