E2U
Series
• RoHS Compliant (Pb-Free)
• HC-49/US package
• AT or BT cut available
• Resistance weld seal
• Tight tolerance/stability
• Tape and reel, insulator tab,
and custom lead length options available
NOTES
E2U
H 3.68
L 11.18
W 4.70
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 50.000MHz
±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, -20°C to 70°C (AT cut only), or -40°C to 85°C (AT cut only)
±5ppm / year Maximum
-40°C to 125°C
7pF Maximum
500 Megaohms Minimum at 100V
DC
1 mWatt Maximum
18pF Parallel Resonant (Standard), Custom C
L
≥10pF
Parallel Resonant, 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
ESR (Ω)
200 Max
150 Max
120 Max
90 Max
80 Max
70 Max
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Frequency Range
15.000MHz to 15.999MHz
16.000MHz to 23.999MHz
24.000MHz to 30.000MHz
24.000MHz to 40.000MHz
24.576MHz to 29.999MHz
30.000MHz to 50.000MHz
ESR (Ω)
60 Max
50 Max
40 Max
40 Max
150 Max
100 Max
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / BT
Third Overtone / AT
Third Overtone / AT
REV
.
DATE
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
ECLIPTEK CORP.
CRYSTAL
E2U
HC-49/US
CR42
08/08
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
E2U A A 18 - 20.000M - I2 TR
FREQUENCY TOLERANCE / STABILITY
A=±50ppm at 25°C, ±100ppm from 0°C to 70°C
B=±50ppm at 25°C, ±100ppm from -20°C to 70°C
C=±50ppm at 25°C, ±100ppm from -40°C to 85°C
D=±30ppm at 25°C, ±50ppm from 0°C to 70°C
E=±30ppm at 25°C, ±50ppm from -20°C to 70°C
F=±30ppm at 25°C, ±50ppm from -40°C to 85°C
G=±15ppm at 25°C, ±30ppm from 0°C to 70°C
H=±15ppm at 25°C, ±30ppm from -20°C to 70°C
J=±15ppm at 25°C, ±30ppm from -40°C to 85°C
K=±15ppm at 25°C, ±20ppm from 0°C to 70°C
L=±15ppm at 25°C, ±20ppm from -20°C to 70°C
M=±15ppm at 25°C, ±20ppm from -40°C to 85°C
N=±10ppm at 25°C, ±15ppm from 0°C to 70°C
P=±10ppm at 25°C, ±15ppm from -20°C to 70°C
PACKAGING OPTIONS
Blank=Bulk, A=Tray, TR=Tape and Reel
AVAILABLE OPTIONS
Blank=None (Std)
CX=Custom Lead Length
I2=Insulator Tab
FREQUENCY
LOAD CAPACITANCE
S=Series Resonant
XX=XXpF Parallel Resonant
MODE OF OPERATION / CRYSTAL CUT
A=Fundamental / AT
B=Third Overtone / AT
D=Fundamental / BT
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
PARAMETER
SPECIFICATION
MARKING SPECIFICATIONS
1000 Pieces per Reel
Compliant to EIA-468B
ESD Susceptibility
Fine Leak Test
Flammability
Gross Leak Test
Lead Integrity
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
UL94-V0
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 2004
MIL-STD-202, Method 213, Condition C
MIL-STD-883, Method 1004
J-STD-020, MSL1
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: E XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
E2U
HC-49/US
CR42
08/08
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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