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 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= 30ppm at 25ꢀC, 50ppm from 0ꢀC to 70ꢀC
E= 30ppm at 25ꢀC, 50ppm from -20ꢀC to 70ꢀC
F= 30ppm at 25ꢀC, 50ppm from -40ꢀC to 85ꢀC
G= 15ppm at 25ꢀC, 30ppm from 0ꢀC to 70ꢀC
H= 15ppm at 25ꢀC, 30ppm from -20ꢀC to 70ꢀC
J= 15ppm at 25ꢀC, 30ppm 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 (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
1000 Pieces per Reel
Compliant to EIA-468B
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
MARKING SPECIFICATIONS
PARAMETER
SPECIFICATION
Fine Leak Test
Gross Leak Test
Lead Integrity
Lead Termination
Mechanical Shock
Resistance to Soldering Heat
Resistance to Solvents
Solderability
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 2004
Line 1: E XX.XXX M
Sn 2µm - 6µm
Frequency in MHz
(5 Digits Maximum + Decimal)
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
Temperature Cycling
Vibration
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
11/07
ECLIPTEK CORP.
CRYSTAL
E1U
HC-49/US Short
CR41
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
ECLIPTEK [ Ecliptek ]
