Low Profile
3.2 x 1.5 mm Footprint
Extended Temp. Range
RoHS Compliant
ECX-31B
SMD TUNING FORK CRYSTAL
The ultra-miniature ECX-31B is a very compact SMD Tuning
Fork Crystal. The 3.2 x 1.5 x 0.9 mm ceramic 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
1.05
±3
+85
+125
12.5
0.1
1.0
70K
+30
-0.040
ECX-31B
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-.327-12.5-34B-TR
ECS
-
Frequency Abbreviation - Load Capacitance -
.327 = 32.768 KHz
12.5 = 12.5 pF
9 = 9 pF
7 = 7 pF
Package Type
-
Packaging
-TR = Tape & Reel
3K/Reel
-34B = ECX-31B
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
ECS [ ECS, INC. ]
