EC3SM
Series
• Four pad surface mount short package
• AT or BT cut available
• Resistance weld seal
• Tight tolerance/stability
• Interchangeable with plastic
surface mount crystals
• Tape and reel available
NOTES
EC3SM
H 4.0
L 12.5
W 4.95
CRYSTAL
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ELECTRICAL SPECIFICATIONS
Frequency Range
Frequency Tolerance / Stability
Over Operating Temperature Range
Operating Temperature Range
Aging (at 25°C)
Storage Temperature Range
Shunt Capacitance
Insulation Resistance
Drive Level
Load Capacitance (C
L
)
3.579545MHz to 40.000MHz
±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm (AT cut only), ±15ppm / ±30ppm (AT cut only),
±15ppm / ±20ppm (AT cut only), or ±10ppm / ±15ppm (AT cut only)
0°C to 70°C (Standard), -20°C to 70°C (AT cut only), or -40°C to 85°C (AT cut only)
±5ppm / year Maximum
-40°C to 85°C
7pF Maximum
500 Megaohms Minimum at 100V
DC
1 mWatt Maximum
18pF (Standard), Custom C
L
≥10pF,
or Series Resonant
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
Frequency Range
3.579545MHz to 4.999MHz
5.000MHz to 5.999MHz
6.000MHz to 7.999MHz
8.000MHz to 8.999MHz
9.000MHz to 9.999MHz
10.000MHz to 14.999MHz
MANUFACTURER
ESR (Ω)
200 Max
150 Max
120 Max
90 Max
80 Max
70 Max
CATEGORY
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
SERIES
Frequency Range
15.000MHz to 15.999MHz
16.000MHz to 23.999MHz
24.000MHz to 30.000MHz
24.000MHz to 40.000MHz
ESR (Ω)
60 Max
50 Max
40 Max
40 Max
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / BT
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
EC3SM
EPOXY BASE SHORT
CR32
09/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EC3SM - B - 20 - 40.000M TR
FREQUENCY TOLERANCE / STABILITY
Blank=±50ppm at 25°C, ±100ppm from 0°C to 70°C
A=±50ppm at 25°C, ±100ppm from -20°C to 70°C
B=±50ppm at 25°C, ±100ppm from -40°C to 85°C
C=±30ppm at 25°C, ±50ppm from 0°C to 70°C
D=±30ppm at 25°C, ±50ppm from -20°C to 70°C
E=±30ppm at 25°C, ±50ppm from -40°C to 85°C
F=±15ppm at 25°C, ±30ppm from 0°C to 70°C
G=±15ppm at 25°C, ±30ppm from -20°C to 70°C
H=±15ppm at 25°C, ±30ppm from -40°C to 85°C
J=±15ppm at 25°C, ±20ppm from 0°C to 70°C
K=±15ppm at 25°C, ±20ppm from -20°C to 70°C
L=±15ppm at 25°C, ±20ppm from -40°C to 85°C
M=±10ppm at 25°C, ±15ppm from 0°C to 70°C
N=±10ppm at 25°C, ±15ppm from -20°C to 70°C
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
PACKAGING OPTIONS
Blank=Bulk, TR=Tape and Reel
FREQUENCY
LOAD CAPACITANCE
Blank=18pF (Standard), S=Series
XX=XXpF (Custom)
MODE OF OPERATION / CRYSTAL CUT
Blank=Fundamental / AT
B=Fundamental / BT
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
Coplanarity: 0.152 Maximum
Tolerances = ±0.2
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
TAPE
A
24±.3
B
11.5±.1
C
10.75±.1
D
4±.1
E
2±.1
REEL
M
1.5 MIN
N
50 MIN
O
20.2 MIN
P
13±.2
Q
40 MIN
QTY/REEL
1,000
F
12±.1
G
5.4±.1
H
1.5 +.1
J
12.5±.1
K
.4±.05
L
4.2±.1
R
2.5 MIN
S
10 MIN
T
30.4 MAX
U
360 MAX
V
24.4+2-2
*Compliant to EIA-481A
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
PARAMETER
SPECIFICATION
MARKING SPECIFICATIONS
Fine Leak Test
Gross Leak Test
Mechanical Shock
Vibration
Solderability
Temperature Cycling
Resistance to Soldering Heat
Resistance to Solvents
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 2002
MIL-STD-883, Method 1010
MIL-STD-883, Method 210
MIL-STD-883, Method 215
Line 1: E XX.XXX
Frequency in MHz
(5 Digits Maximum + Decimal)
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
EC3SM
EPOXY BASE SHORT
CR32
09/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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