PART NUMBERING GUIDE
E2U A A 18 - 20.000M - I2 TR
PACKAGING OPTIONS
Blank=Bulk, A=Tray, TR=Tape and Reel
FREQUENCY TOLERANCE / STABILITY
A=±50ppm at 25ꢀC, ±100ppm from 0ꢀC to 70ꢀC
B=±50ppm at 25ꢀC, ±100ppm from -20ꢀC to 70ꢀC
C=±50ppm at 25ꢀC, ±100ppm from -40ꢀC to 85ꢀC
D=±±0ppm at 25ꢀC, ±50ppm from 0ꢀC to 70ꢀC
E=±±0ppm at 25ꢀC, ±50ppm from -20ꢀC to 70ꢀC
F=±±0ppm at 25ꢀC, ±50ppm from -40ꢀC to 85ꢀC
G=±15ppm at 25ꢀC, ±±0ppm from 0ꢀC to 70ꢀC
H=±15ppm at 25ꢀC, ±±0ppm from -20ꢀC to 70ꢀC
J=±15ppm at 25ꢀC, ±±0ppm from -40ꢀC to 85ꢀC
K=±15ppm at 25ꢀC, ±20ppm from 0ꢀC to 70ꢀC
L=±15ppm at 25ꢀC, ±20ppm from -20ꢀC to 70ꢀC
M=±15ppm at 25ꢀC, ±20ppm from -40ꢀC to 85ꢀC
N=±10ppm at 25ꢀC, ±15ppm from 0ꢀC to 70ꢀC
P=±10ppm at 25ꢀC, ±15ppm from -20ꢀC to 70ꢀC
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
1000 Pieces per Reel
Compliant to EIA-468B
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
MARKING SPECIFICATIONS
PARAMETER
SPECIFICATION
ESD Susceptibility
Fine Leak Test
Flammability
MIL-STD-88±, Method ±015, Class 1, HBM: 1500V
MIL-STD-88±, Method 1014, Condition A
UL94-V0
Gross Leak Test
Lead Integrity
MIL-STD-88±, Method 1014, Condition C
MIL-STD-88±, Method 2004
MIL-STD-202, Method 21±, Condition C
MIL-STD-88±, Method 1004
J-STD-020, MSL1
MIL-STD-202, Method 210, Condition K
MIL-STD-202, Method 215
MIL-STD-88±, Method 200±
Line 1: E XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
Mechanical Shock
Moisture Resistance
Moisture Sensitivity
Resistance to Soldering Heat
Resistance to Solvents
Solderability
Temperature Cycling
Vibration
MIL-STD-88±, Method 1010, Condition B
MIL-STD-88±, Method 2007, Condition A
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
08/08
ECLIPTEK CORP.
CRYSTAL
E2U
HC-49/US
CR42
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.