EC7 Series
EC7
• RoHS Compliant (Pb-Free)
• Inverted Mesa Crystal
• Fundamental mode frequencies to 212.5MHz
• UM-1 package
• AT cut
H 8.1
L 7.9
W 3.2
• Tight tolerance/stability
• Wide operating temperature range
CRYSTAL
NOTES
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ELECTRICAL SPECIFICATIONS
35.000MHz to 212.500MHz
Frequency Range
50ppm / 100ppm, 30ppm/ 50ppm
15ppm / 30ppm, or 10ppm / 30ppm
0°C to 70°C, -20°C to 70°C, or -40°C to 85°C
3ppm / year Maꢀimum
Frequency Tolerance / Stability
Over Operating Temperature Range
Operating Temperature Range
Aging (at 25°C)
-40°C to 85°C
Storage Temperature Range
Shunt Capacitance
5pF Maꢀimum
100µWatts Maꢀimum
Drive Level
18pF (Standard), Custom CL ≥ 10pF, or Series Resonant
3fF Min, 10fF Maꢀ (F0 < 100MHz), 3fF Min, 13fF Maꢀ (F0 > 100MHz)
500 Megaohms Minimum at 100VDC
Load Capacitance (CL)
Motional Capacitance (C1)
Insulation Resistance
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
Frequency Range
ESR (Ω)
15 Maꢀ
20 Maꢀ
Mode / Cut
Frequency Range
ESR (Ω) Mode / Cut
35.000MHz to 50.000MHz
50.001MHz to 100.000MHz
Fundamental / AT
Fundamental / AT
100.001MHz to 160.000MHz
160.001MHz to 212.500MHz
25 Maꢀ
30 Maꢀ
Fundamental / AT
Fundamental / AT
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
08/02
ECLIPTEK CORP.
CRYSTAL
EC7
UM-1
CR36
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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