PART NUMBERING GUIDE
EU A A 18 - 20.000M - I2 TR
FREQUENCY TOLERANCE / STABILITY
PACKAGING OPTIONS
Blank=Bulkꢂ A=Trayꢂ TR=Tape and Reel
A= 5ꢀppm at 25ꢁCꢂ 1ꢀꢀppm from ꢀꢁC to 7ꢀꢁC
B= 5ꢀppm at 25ꢁCꢂ 1ꢀꢀppm from -2ꢀꢁC to 7ꢀꢁC
C= 5ꢀppm at 25ꢁCꢂ 1ꢀꢀppm from -4ꢀꢁC to 85ꢁC
D= 3ꢀppm at 25ꢁCꢂ 5ꢀppm from ꢀꢁC to 7ꢀꢁC
E= 3ꢀppm at 25ꢁCꢂ 5ꢀppm from -2ꢀꢁC to 7ꢀꢁC
F= 3ꢀppm at 25ꢁCꢂ 5ꢀppm from -4ꢀꢁC to 85ꢁC
G= 15ppm at 25ꢁCꢂ 3ꢀppm from ꢀꢁC to 7ꢀꢁC
H= 15ppm at 25ꢁCꢂ 3ꢀppm from -2ꢀꢁC to 7ꢀꢁC
J= 15ppm at 25ꢁCꢂ 3ꢀppm from -4ꢀꢁC to 85ꢁC
K= 15ppm at 25ꢁCꢂ 2ꢀppm from ꢀꢁC to 7ꢀꢁC
L= 15ppm at 25ꢁCꢂ 2ꢀppm from -2ꢀꢁC to 7ꢀꢁC
M= 15ppm at 25ꢁCꢂ 2ꢀppm from -4ꢀꢁC to 85ꢁC
N= 1ꢀppm at 25ꢁCꢂ 15ppm from ꢀꢁC to 7ꢀꢁC
P= 1ꢀppm at 25ꢁCꢂ 15ppm from -2ꢀꢁC to 7ꢀꢁC
AVAILABLE OPTIONS
Blank=None (Standard)ꢂ CX=Custom Lead Length
G=Gull Wing
I2=Insulator Tab
L=Third Lead
L2=Alternate Third Lead
V=Vinyl Sleeving
FREQUENCY
LOAD CAPACITANCE
S=Seriesꢂ XX=XXpF
MODE OF OPERATION / CRYSTAL CUT
A=Fundamental / ATꢂ B=Third Overtone / AT
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
1ꢀꢀꢀ Pieces per Reel
Compliant to EIA-468B
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
MARKING SPECIFICATIONS
PARAMETER
SPECIFICATION
Line 1: ECLIPTEK
Line 2: EXX.XXXM
Fine Leak Test
Gross Leak Test
Lead Integrity
MIL-STD-883ꢂ Method 1ꢀ14ꢂ Condition A
MIL-STD-883ꢂ Method 1ꢀ14ꢂ Condition C
MIL-STD-883ꢂ Method 2ꢀꢀ4
Frequency in MHz (5 Digits Maximum + Decimal)
Ecliptek Manufacturing Identifier
Lead Termination
Mechanical Shock
Resistance to Soldering Heat
Resistance to Solvents
Solderability
Sn 2µm - 6µm
MIL-STD-2ꢀ2ꢂ Method 213ꢂ Condition C
MIL-STD-2ꢀ2ꢂ Method 21ꢀ
MIL-STD-883ꢂ Method 215
MIL-STD-883ꢂ Method 2ꢀꢀ2
MIL-STD-883ꢂ Method 1ꢀ1ꢀ
MIL-STD-883ꢂ Method 2ꢀꢀ7ꢂ Condition A
Line 3: XX
Temperature Cycling
Vibration
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
11/ꢀ7
ECLIPTEK CORP.
CRYSTAL
EU
HC-49/U
CR4ꢀ
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.