EU
Series
• RoHS Compliant (Pb-Free)
• HC-49/U package
• AT cut
• Resistance weld seal
• Tight tolerance/stability
• Tape and reel, vinyl sleeve, insulator tab,
third lead, and custom lead length options
available
NOTES
EU
H 13.58
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
)
Frequency Range
1.8432MHz to 1.999MHz
2.000MHz to 2.399MHz
2.400MHz to 2.999MHz
3.000MHz to 3.199MHz
3.200MHz to 3.499MHz
3.500MHz to 3.599MHz
3.600MHz to 3.899MHz
3.900MHz to 3.999MHz
4.000MHz to 4.099MHz
MANUFACTURER
1.8432MHz to 65.000MHz
±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm,
±15ppm / ±30ppm, *±15ppm / ±20ppm, or ±10ppm / ±15ppm
0°C to 70°C, -20°C to 70°C, or -40°C to 85°C
±5ppm / year Maximum
-40°C to 125°C
7pF Maximum
500 Megaohms Minimum at 100V
DC
2 mWatts Maximum
18pF (Standard), Custom C
L
≥
10pF, or Series Resonant
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
ESR (Ω)
650 Max
550 Max
350 Max
250 Max
200 Max
180 Max
150 Max
120 Max
100 Max
CATEGORY
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
SERIES
Frequency Range
4.100MHz to 4.999MHz
5.000MHz to 5.999MHz
6.000MHz to 6.999MHz
7.000MHz to 7.999MHz
8.000MHz to 9.999MHz
10.000MHz to 12.999MHz
13.000MHz to 32.768MHz
24.000MHz to 29.999MHz
30.000MHz to 65.000MHz
PACKAGE
ESR (Ω)
80 Max
75 Max
50 Max
40 Max
35 Max
30 Max
25 Max
60 Max
40 Max
CLASS
Mode / Cut
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Fundamental / AT
Third Overtone / AT
Third Overtone / AT
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
EU
HC-49/U
CR40
11/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EU 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 (Standard), CX=Custom Lead Length
G=Gull Wing
I2=Insulator Tab
L=Third Lead
L2=Alternate Third Lead
V=Vinyl Sleeving
FREQUENCY
LOAD CAPACITANCE
S=Series, XX=XXpF
MODE OF OPERATION / CRYSTAL CUT
A=Fundamental / AT, B=Third Overtone / AT
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
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-883, Method 215
MIL-STD-883, Method 2002
MIL-STD-883, Method 1010
MIL-STD-883, Method 2007, Condition A
Line 1: ECLIPTEK
Line 2: EXX.XXXM
Frequency in MHz (5 Digits Maximum + Decimal)
Line 3: XX
Ecliptek Manufacturing Identifier
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
EU
HC-49/U
CR40
11/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
Switching Power Supply Study Group
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