PART NUMBERING GUIDE
EB51W4 E 25 V - 12.800M
OPERATING TEMP. RANGE
One Letter Code Per Table 1
FREQUENCY
EXTERNAL TRIM
N=None (No Connection on Pin 1)
V=External Control Voltage
FREQUENCY STABILITY
Two Digit Code Per Table 1
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Pin 1: Voltage Control or No Connection
Pin 2: Case Ground
Pin 3: Output
Pin 4: Supply Voltage
Tolerances= +0.1
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
S
T
U
V
W
A
B
C
D
E
F
G
REEL
TAPE
1.5 MIN
50 MIN
20.2 MIN 13.0 0.2
40 MIN
32.0 0.3 30.2 0.15 14.2 0.15 4.0 0.1
2.0 0.1 16.0 0.1 12.5 0.1
X
Y
Z
a
QTY/REEL
1,000
H
J
K
L
M
N
Q
R
2.5 MIN
10 MIN
360 MAX
32.4+2-0
1.5 +0.1-0.0 22.2 0.1 0.40 0.05 5.0 0.1 15.3 0.1
4.7 0.1 1.5+0.1/-0 1.7+0.1/-0
MARKING SPECIFICATIONS
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Characteristic
Specification
Line 1: ECLIPTEK
Line 3: XX.XXX M
Fine Leak Test
Gross Leak Test
Mechanical Shock
Vibration
Solderability
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 2002
Frequency in MHz (5 Digits Maximum + Decimal)
Line 4: XX Y ZZ
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
Temperature Cycling
Resistance to Soldering Heat
Resistance to Solvents
MIL-STD-883, Method 1010
MIL-STD-202, Method 210
MIL-STD-202, Method 215
MANUFACTURER
Specifications subject to change without notice.
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
1-800-ECLIPTEK WWW.ECLIPTEK.COM
OS1G 01/05
REV.DATE
##
ECLIPTEK CORP.
OSCILLATOR
EB51W4
Metal SMD
5.0V
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.