ECS-.327-9-16-TR

## Hs 

The miniature ECX-16 is a very compact SMD Tuning Fork Crystal perfect for LoRa Wan technology.  Low ESR part recommended by STMicroelectronics for the STM32 Microcontrollers. 

**ECX-16 32.768 KHz SMD Tuning Fork Crystal Request a Sample** —) 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

|**PARAMETERS**|**CONDITIONS**|**ECX-16**|**ECX-16**|**ECX-16**|**UNITS**|
|---|---|---|---|---|---|
|~~po~~||**MIN**|**TYP**|**MAX**||
|Frequency<br>~~po~~|||32.768||KHz|
|Frequency Tolerance<br>~~po~~|@ +25°C|||± 20 *|ppm|
|Load Capacitance|Specifyin P/N||12.5||pF|
|Drive Level|DL|||0.5|μW|
|Equivalent Series Resistance<br>~~po~~|R1<br>~~po~~|~~po~~|~~po~~|90K<br>~~po~~|Ω<br>~~po~~|
|Motional Capacitance<br>~~po~~|~~po~~|~~po~~|6.5<br>~~po~~|~~po~~|fF<br>~~po~~|
|Turnover Temperature<br>~~po~~|~~po~~|+20<br>~~po~~|+25<br>~~po~~|+30<br>~~po~~|°C<br>~~po~~|
|Temperature Coefficient<br>~~po~~|~~po~~|-0.02<br>~~po~~|-0.03<br>~~po~~|-0.040<br>~~po~~|ppm/°C²<br>~~po~~|
|Shunt Capacitance<br> ~~po~~<br>~~po~~|Co<br>~~po~~|~~po~~|1.3<br>~~po~~|~~po~~|pF<br>~~po~~|
|Aging (First Year)<br>~~po~~<br>~~po~~|@ +25°C ±3°C<br>~~po~~|~~po~~|~~po~~|±3<br>~~po~~|ppm<br>~~po~~|
|Operating Temperature<br>~~po~~|Topr<br>~~po~~|-40<br>~~po~~|~~po~~|+85<br>~~po~~|°C<br>~~po~~|
|Storage Temperature<br>~~es~~|Tstg<br>~~es~~|-55<br>~~es~~|~~es~~|+125<br>~~es~~|°C<br>~~es~~|



- 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 

## **DIMENSIONS (mm)** 

|**PAD CONNECTIONS**|**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 -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**||**LOAD**|||**PACKAGE**||**CUSTOM OPTIONS**|**CUSTOM OPTIONS**|||**PACKAGING**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||**CAPACITANCE**||||||Tolerance|Tolerance|Tolerance||
||||||||||||||||
|ECS||.327 = 32.768  KHz|||12.5 = 12.5 pF|||-16 = ECX-16|||Blank = ±20 ppm|||TR = Tape|
||||||9 = 9 pF||||||* C = ± 10 ppm|||& Reel|
||||||7 = 7 pF||||||||||
||||||5 = 5 pF||||||||||



Rev.2017 

**ECX-16 32.768 KHz SMD Tuning Fork Crystal** 

## RoH S 

## **POCKET TAPE DIMENSIONS (mm)** 

isi 

## **SOLDER PROFILE** 

Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au 

_**Figure 1)** Suggested Reflow Profile_