EC
Series
• 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
EC
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
)
1.8432MHz to 65.000MHz
±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm,
±15ppm / ±30ppm, *±15ppm / ±20ppm, or ±10ppm / ±15ppm
0°C to 70°C (Standard), -20°C to 70°C, or -40°C to 85°C
±5ppm / year Maximum
-40°C to 85°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
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
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
EC
HC-49/U
CR05
11/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EC A T - 20 - 30.000M - G 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
PACKAGING OPTIONS
Blank=Bulk, A=Tray, TR=Tape and Reel
AVAILABLE OPTIONS
Blank=None (Standard), CLXXX=Custom Lead Length(pp46)
G=Gull Wing, G3=Gull Wing & Metal Jacket (pp47)
I2=Insulator Tab (pp48)
L=Third Lead(pp48)
L2=Alternate Third Lead (pp48)
V=Vinyl Sleeving (pp48)
FREQUENCY
LOAD CAPACITANCE
Blank=18pF (Standard), S=Series, XX=XXpF (Custom)
MODE OF OPERATION / CRYSTAL CUT
Blank=Fundamental / AT, T=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
Mechanical Shock
Vibration
Lead Integrity
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 2004
MIL-STD-883, Method 2002
MIL-STD-883, Method 1010
MIL-STD-883, Method 210
MIL-STD-883, Method 215
Line 1: ECLIPTEK
Line 2: E XX.XXXM
Frequency in MHz (5 Digits Maximum + Decimal)
E or Blank (No Marking)
Line 3: XX
Ecliptek Manufacturing Identifier
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
EC
HC-49/U
CR05
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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