Ecliptek E1UCB18-20.000M-CXA Crystal Datasheet

E1U Series
E1U
• RoHS Compliant (Pb-Free)
• HC-49/US short package
• AT or BT cut available
• Resistance weld seal
• Tight tolerance/stability
• Tape and reel, insulator tab,
and custom lead length options available
H 2.50
L 11.18
W 4.70
CRYSTAL
NOTES
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ELECTRICAL SPECIFICATIONS
Frequency Range
3.579545MHz to 50.000MHz
Frequency Tolerance / Stability
±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm (AT cut only), ±15ppm / ±30ppm (AT cut only),
Over Operating Temperature Range
±15ppm / ±20ppm (AT cut only), or ±10ppm / ±15ppm (AT cut only)
Operating Temperature Range
0°C to 70°C, -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 125°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
15.000MHz to 15.999MHz
60 Max
Fundamental / AT
5.000MHz to 5.999MHz
150 Max
Fundamental / AT
16.000MHz to 23.999MHz
50 Max
Fundamental / AT
6.000MHz to 7.999MHz
120 Max
Fundamental / AT
24.000MHz to 30.000MHz
40 Max
Fundamental / AT
8.000MHz to 8.999MHz
90 Max
Fundamental / AT
24.000MHz to 40.000MHz
40 Max
Fundamental / BT
9.000MHz to 9.999MHz
80 Max
Fundamental / AT
24.576MHz to 29.999MHz
150 Max
Third Overtone / AT
10.000MHz to 14.999MHz
70 Max
Fundamental / AT
30.000MHz to 50.000MHz
100 Max
Third Overtone / AT
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E1U
HC-49/US Short
CR41
11/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
E1U A A 18 - 20.000M - I2 TR
PACKAGING OPTIONS
Blank=Bulk, A=Tray, TR=Tape and Reel
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
AVAILABLE OPTIONS
Blank=None (Standard)
CX=Custom Lead Length
I2=Insulator Tab
FREQUENCY
LOAD CAPACITANCE
S=Series
XX=XXpF (Custom)
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
MARKING SPECIFICATIONS
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
PARAMETER
SPECIFICATION
Fine Leak Test
Gross Leak Test
Lead Integrity
Lead Termination
Mechanical Shock
Resistance to Soldering Heat
Resistance to Solvents
Solderability
Temperature Cycling
Vibration
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 2004
Sn 2µm - 6µm
MIL-STD-202, Method 213, Condition C
MIL-STD-202, Method 210
MIL-STD-202, Method 215
MIL-STD-883, Method 2002
MIL-STD-883, Method 1010
MIL-STD-883, Method 2007, Condition A
1000 Pieces per Reel
Compliant to EIA-468B
Line 1: E XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E1U
HC-49/US Short
CR41
11/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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