ECS ECS-.327-7-16-TR The minature ecx-16 is a very compact smd tuning fork crystal Datasheet

ECX-16
32.768 KHz
SMD Tuning Fork Crystal
The minature ECX-16 is a very compact SMD Tuning Fork
Crystal. Low ESR part recommended by STMicroelectronics for
the STM32 Microcontrollers.
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OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECX-16 SMD CRYSTAL
PARAMETERS
CONDITIONS
ECX-16
MIN
TYP
Frequency
Load Capacitance
KHz
± 20 *
@ +25°C
Specify in P/N
12.5
ppm
pF
Drive Level
DL
0.5
μW
Equivalent Series Resistance
R1
90K
Ω
6.5
Motional Capacitance
Turnover Temperature
Temperature Coefficient
Shunt Capacitance
fF
+20
+25
+30
°C
-0.02
-0.03
-0.040
ppm/°C²
Co
Aging (First Year)
DIMENSIONS (mm)
MAX
32.768
Frequency Tolerance
 Low Power RTC Applications
such as STM32 AN2867
 1.6 x 1.0 mm Footprint
 Extended Temp. Range
 RoHS Compliant
 Applications: Automotive,
COTS, Industrial, IOT
UNITS
1.3
@ +25°C ±3°C
pF
±3
ppm
Operating Temperature
Topr
-40
+85
°C
Storage Temperature
Tstg
-55
+125
°C
PAD CONNECTIONS
1
In/Out
2
Out/In
Figure 2) Suggested Land Pattern
Figure 1) Top, Side, and Bottom views
PART NUMBERING GUIDE: Example ECS-.327-12.5-16-TR
ECS - FREQUENCY ABBREVIATION
ECS
.327 = 32.768 KHz
LOAD
CAPACITANCE
PACKAGE
12.5 = 12.5 pF
9 = 9 pF
7 = 7 pF
5 = 5 pF
-16 = ECX-16
CUSTOM OPTIONS
PACKAGING
Tolerance
Blank = ±20 ppm
* C = ± 10 ppm
TR = Tape
& Reel
Rev.2017
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
ECX-16
32.768 KHz
SMD Tuning Fork Crystal
POCKET TAPE DIMENSIONS (mm)
SOLDER PROFILE
Peak solder Temp +260°C Max 10 sec Max.
2 Cycles Max.
MSL 1, Lead Finish Au
Figure 1) Suggested Reflow Profile
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
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