ECM2A
Series
• RoHS Compliant (Pb-Free)
• Miniature four pad ceramic
SMD package
• AT cut
• Tight tolerance/stability
• Tape and reel available
H
L
W
ECM2A
0.55
2.50
2.00
CRYSTAL
NOTES
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Frequency Stability
(X Denotes Availability)
±30ppm
±20ppm
±15ppm
±10ppm
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0˚C to +70˚C
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1
2
3
X
X
X
X
X
X
X
X
X
X
X
-20˚C to +70˚C
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-30˚C to +85˚C
ELECTRICAL SPECIFICATIONS
Frequency Range
Frequency Tolerance
Frequency Stability
Operating Temperature Range
Aging (at 25°C)
Storage Temperature Range
Shunt Capacitance
Insulation Resistance
Drive Level
Load Capacitance (C
L
)
Spurious Response
16MHz, 19.66MHz, 20MHz, 24MHz, 24.576MHz, 25MHz, 26MHz, 27MHz, 29.4912MHz, 29.939MHz,
30MHz, 30.72MHz, 32MHz, 34.4MHz, 38.4MHz, 40MHz, 44MHz, 48MHz, and 50MHz
±15ppm or ±10ppm
±30ppm, ±20ppm, ±15ppm, or ±10ppm (See Table 1)
0°C to +70°C, -20°C to +70°C, or -30°C to +85°C (See Table 1)
±3ppm / year Maximum
-40°C to 90°C
5pF Maximum
500 Megaohms Minimum at 100V
DC
100 µWatts Maximum
Series Resonant, 8pF Parallel Resonant to 32pF Parallel Resonant
-3dB Minimum; F
0
to F
0
+5000ppm
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
Frequency Range
16.000MHz to 19.999999MHz
20.000MHz to 29.999999MHz
30.000MHz to 39.999999MHz
40.000MHz to 50.000MHz
MANUFACTURER
CATEGORY
ESR (Ω)
100 Maximum
80 Maximum
60 Maximum
50 Maximum
SERIES
PACKAGE
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
ECM2A
CERAMIC
CR60
07/10
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
ECM2A 4 C 3 A 18 - 20.000M TR
FREQUENCY TOLERANCE (AT 25°C)
4=±15ppm Maximum
5=±10ppm Maximum
FREQUENCY STABILITY
C=±30ppm Maximum
D=±20ppm Maximum
E=±15ppm Maximum
F=±10ppm Maximum
OPERATING TEMPERATURE RANGE
1= 0°C to +70°C
2=-20°C to +70°C
3=-30°C to +85°C
PACKAGING OPTIONS
Blank=Bulk, TR=Tape and Reel
FREQUENCY
LOAD CAPACITANCE
S=Series Resonant
XX=8pF Parallel Resonant to 32pF
Parallel Resonant
MODE OF OPERATION
A=Fundamental
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
2.00
±0.10
MARKING
ORIENTATION
0.65 ±0.10
4
1
0.95
±0.10
3
2
0.675 ±0.100
(X4)
0.775
±0.10
(X4)
2.50
±0.10
0.55 MAX
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Pad 1: Input/Output
Pad 2: Cover/Ground
Pad 3: Input/Output
Pad 4: Cover/Ground
Tolerance = +0.2
TAPE
A
8±.2
B
3.5±.1
C
2.75±.1
D
4 ±.1
E
2±.05
REEL
M
1.5 MIN
N
50 MIN
O
20.2 MIN
P
13±.2
Q
40 MIN
QTY/REEL
1,000
F
4±.1
G
A0
H
1.5±.1
J
B0
K
.25 ±.05
L
K0
R
2.5 MIN
S
10 MIN
T
13.0 MAX
U
180 MAX
V
8.4+1.5-0
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
PARAMETER
SPECIFICATION
MARKING SPECIFICATIONS
*Compliant to EIA-481A
ESD Susceptibility
Fine Leak Test
Gross Leak Test
Flammability
Mechanical Shock
Moisture Resistance
Moisture Sensitivity
Resistance to Soldering Heat
Resistance to Solvents
Solderability
Temperature Cycling
Vibration
MANUFACTURER
MIL-STD-883, Method 3015, Class 1, HBM: 1500V
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
UL94-V0
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 1004
J-STD-020, MSL 1
MIL-STD-202, Method 210, Condition K
MIL-STD-202, Method 215
MIL-STD-883, Method 2003
MIL-STD-883, Method 1010, Condition B
MIL-STD-883, Method 2007, Condition A
CATEGORY
SERIES
Line 1: XX.X
Frequency in MHz
(3 Digits Maximum + Decimal)
Line 2: XXX
Ecliptek Manufacturing Identifier
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
ECM2A
CERAMIC
CR60
07/10
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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