Ecliptek EC3SME-20-28375M Crystal Datasheet

EC3SM Series
EC3SM
• 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
H 4.0
L 12.5
W 4.95
CRYSTAL
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ELECTRICAL SPECIFICATIONS
Frequency Range
3.579545MHz to 40.000MHz
Frequency Tolerance / Stability
±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm (AT cut only), ±15ppm / ±30ppm (AT cut only),
Over Operating Temperature Range
or ±15ppm / ±20ppm (AT cut only)
Operating Temperature Range
0°C to 70°C (Standard), -20°C to 70°C (AT cut only), or -40°C to 85°C (AT cut only)
Aging (at 25°C)
±5ppm / year Maximum
Storage Temperature Range
-40°C to 85°C
Shunt Capacitance
7pF Maximum
Insulation Resistance
500 Megaohms Minimum at 100VDC
Drive Level
1 mWatt Maximum
Load Capacitance (CL)
18pF (Standard), Custom CL ≥10pF, or Series Resonant
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
Frequency Range
ESR (Ω)
Mode / Cut
Frequency Range
ESR (Ω)
Mode / Cut
3.579545MHz to 4.999MHz
200 Max
Fundamental / AT
10.000MHz to 14.999MHz
70 Max
Fundamental / AT
5.000MHz to 5.999MHz
150 Max
Fundamental / AT
15.000MHz to 15.999MHz
60 Max
Fundamental / AT
6.000MHz to 7.999MHz
120 Max
Fundamental / AT
16.000MHz to 23.999MHz
50 Max
Fundamental / AT
8.000MHz to 8.999MHz
90 Max
Fundamental / AT
24.000MHz to 30.000MHz
40 Max
Fundamental / AT
9.000MHz to 9.999MHz
80 Max
Fundamental / AT
24.000MHz to 40.000MHz
40 Max
Fundamental / BT
MANUFACTURER
CATEGORY
SERIES
ECLIPTEK CORP.
CRYSTAL
EC3SM
800-ECLIPTEK www.ecliptek.com for latest revision
PACKAGE
EPOXY BASE SHORT
CLASS
REV.DATE
CR32
08/06
Specifications subject to change without notice.
PART NUMBERING GUIDE
EC3SM - B - 20 - 28.375M TR
PACKAGING OPTIONS
Blank=Bulk, TR=Tape and Reel
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
J=±15ppm at 25°C, ±20ppm from 0°C to 70°C
FREQUENCY
LOAD CAPACITANCE
Blank=18pF (Standard), S=Series
XX=XXpF (Custom)
MODE OF OPERATION / CRYSTAL CUT
Blank=Fundamental / AT
B=Fundamental / BT
MECHANICAL DIMENSIONS
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
ALL DIMENSIONS IN MILLIMETERS
Coplanarity: 0.152 Maximum
Tolerances = ±0.2
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
A
B
C
D
E
24±.3
11.5±.1
10.75±.1
4±.1
2±.1
TAPE
F
G
12±.1
5.4±.1
H
1.5 +.1
REEL
M
N
O
P
Q
1.5 MIN
50 MIN
20.2 MIN
13±.2
40 MIN
QTY/REEL
1,000
J
K
L
R
S
T
U
V
12.5±.1
.4±.05
4.2±.1
2.5 MIN
10 MIN
30.4 MAX
360 MAX
24.4+2-2
*Compliant to EIA-481A
MARKING SPECIFICATIONS
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
PARAMETER
SPECIFICATION
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
MANUFACTURER
CATEGORY
SERIES
ECLIPTEK CORP.
CRYSTAL
EC3SM
800-ECLIPTEK www.ecliptek.com for latest revision
Line 1: E XX.XXX
Frequency in MHz
(5 Digits Maximum + Decimal)
PACKAGE
EPOXY BASE SHORT
CLASS
REV.DATE
CR32
08/06
Specifications subject to change without notice.
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