Low Profile
Long term stability
Industry standard footprint
Extended Temp. Range
RoHS Compliant
ECX-306X
SMD TUNING FORK CRYSTAL
The ECX-306X is a compact SMD Tuning Fork Crystal. The
3.8 x 8.0 x 2.5 mm package is ideal for today's SMD
manufacturing environment.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency
Frequency Tolerance
Load Capacitance
Drive Level
Equivalent Series Resistance
Turnover Temperature
Temperature Coefficient
Shunt Capacitance
First Year Aging
Operating Temperature
Storage Temperature
Insulation Resistance
C
o
+25°C ±3°C
T
opr
Tstg
@ 100V DC
-40
-55
500M
CONDITIONS
F
O
@ +25°C
Specify in P/N
D
L
R
1
+20
-0.028
+25
-0.034
1.35
±3
+85
+125
12.5
1.0
50K
+30
-0.040
ECX-306X
MIN
TYP
32.768
± 20
MAX
UNITS
KHz
ppm
pF
µW
Ω
°C
ppm/°C²
pF
ppm
°C
°C
Ω
TOP, BOTTOM, SIDE VIEWS & LAND PATTERN
PART NUMBERING GUIDE: Example ECS-.327-12.5-17X-TR
ECS
-
Frequency Abbreviation - Load Capacitance -
.327 = 32.768 KHz
12.5 = 12.5 pF
6 = 6 pF
Package Type
-17X = ECX-306X
-
Tolerance
-
Packaging
-TR = Tape & Reel
3K/Reel
Blank (Std) = ±20 ppm
C= ±10 ppm
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com