X Low Profile
X 7 x 1.5 mm Footprint
X Extended Temp. Range
X RoHS Compliant
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS CONDITIONS
ECX-71
SMD TUNING FORK CRYSTAL
The miniature ECX-71 is a very compact SMD Tuning
Fork Crystal. The 7 x 1.5 x 1.4 mm plastic package is ideal
for today's SMD manufacturing environment.
ECX-71
UNITS
MIN TYP MAX
Frequency FO
Load Capacitance
Drive Level
Equivalent Series Resistance
Turnover Temperature
Temperature Coefficient
Shunt Capacitance
First Year Aging
Operating Temperature
Storage Temperature
Reflow Profile
IR Reflow (5 Sec Max)
TOP, BOTTOM, SIDE VIEWS & LAND PATTERN
@ +25°CFrequency Tolerance
Specify in P/N
DL
R1
Co
+25°C ±3°C
Topr
Tstg
+20
-0.025
-40
-55
32.768
12.5
0.1
+25
+25
-0.035
0.8
± 20
1.0
65K
+30
-0.045
± 3
+85
+125
+260
KHz
ppm
pF
μW
ȍ
°C
ppm/°C²
pF
ppm
°C
°C
°C
Figure 3) Parabolic Temp Curve
Figure 1) Top, Side and End View
Figure 2) Bottom View and Suggested Land
PART NUMBERING GUIDE: Example ECS-.327-12.5-38-TR
ECS - Frequency Abbreviation - Load Capacitance - Package Type - Packaging
.327 = 32.768 KHz
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com
12.5 = 12.5 pF
7 = 7 pF
-38 = ECX-71
-TR = Tape & Reel
3K/Reel