ECS-320-8-47-CKM-TR3

## Rois 

The sub miniature ECX-1247 is a very compact SMD Crystal.  The 1.6 x 1.2 x 0.3 mm ceramic package is ideal for today’s SMD manufacturing environment. 

## **ECX-1247 SMD CRYSTAL** 

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## **ECX-1247 SMD CRYSTAL** 

- Low Profile 

- 1.6 x 1.2 mm Footprint 

- Extended Temp. Range Option 

- RoHS Compliant 

## **DIMENSIONS (mm)** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

**PARAMETERS CONDITIONS ECX-1247 UNITS MIN TYP MAX** ~~ee~~ Frequency 24.000 80.000 MHz Mode of Oscillation Fundamental ~~a es ee ee ee a~~ Frequency Tolerance* @ +25°C ~~es es ee~~ ± 20 ~~es~~ ppm ~~es~~ Frequency Stability* -40 ~ +85°C ~~es~~ ± 20 ppm ~~es~~ Shunt Capacitance ~~rs~~ Co ~~es~~ 5 pF ~~es~~ Load Capacitance Specify in P/N 8 pF ~~a~~ Drive Level D ~~es~~ L ~~es ee~~ 100 μW ~~a~~ Operating Temperature* Topr ~~eses~~ -40 ~~eses ee ee ee ee~~ +85 °C ~~A~~ Storage Temperature Tstg -40 +90 °C Aging (First Year) @ +25°C ±3°C ±5 ppm ~~es es I~~ 

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Frequency (MHz)         ESR Ω Max.<br>24.000 ~ 29.999  100<br>30.000 ~ 48.999  80<br>49.000 ~ 80.000  50<br>rz ° #4 #3<br>Pad Connections<br>BE i 1  In/Out  Ar OL<br>2  Gnd<br>Figure 1)  Top, Side, and Bottom<br>3  Out/In  a<br>Crystal is symmetrical, pad 1 & 3 are interchangeable.<br>4  Gnd<br>Chamfer on the bottom pad has no electrical #3 #1 #2 == 1K\q \\RE<br>Figure 2)  Suggested land<br>significance.<br>**----- End of picture text -----**<br>


## **PART NUMBERING GUIDE:  Example ECS-260-8-47-JTN-TR** 

|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**||**LOAD**||||**PACKAGE**|**PACKAGE**|||**AVAILABLE OPTIONS**|**AVAILABLE OPTIONS**|**AVAILABLE OPTIONS**||**PACKAGING**|**PACKAGING**|**PACKAGING**||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||**CAPACITANCE**||||||Tolerance           Stability                 Temp Range|||Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range||||
|||||||||||||||||||||
|260 = 26.000  MHz<br>ECS||||8 = 8 pF|||-47 =|||Blank = Std||Blank= Std||Blank= Std||||TR =||
|See P/N Guide||||S=Series||ECX-1247||||A = ± 25ppm<br>J = ± 20ppm<br>R = ± 15ppm<br>C = ± 10ppm||D= ±100 ppm<br>E = ± 50 ppm<br>G = ± 30 ppm<br>H = ± 25 ppm||L =   -10 ~ +70°C<br>M = -20 ~ +70°C<br>Y  =  -30 ~ +85°C<br>N =  -40 ~ +85°C||||Tape<br>& Reel<br>1K/Reel||
|* Specify available options in P/N.||||||||||||T = ± 20 ppm †||P =  -40 ~ +105°C||||||
|† Contact ECS for availability over extended temp range.||||† Contact ECS for availability over extended temp range.||||||||W = ±15 ppm †<br>K = ± 10 ppm †||S =  -40 ~ +125°C||||Rev.2017||



* Specify available options in P/N. † Contact ECS for availability over extended temp range. 

## **ECX-1247 SMD CRYSTAL** 

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

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4.0+0.1<br>**----- End of picture text -----**<br>


|**SOLDER PROFILE**|||||
|---|---|---|---|---|
||||||
|Peak solder Temp+260°C Max 10 sec Max.|||**DEVELOPED FREQUENCIES**||
|2 Cycles Max.|||Abbreviation|Frequency (MHZ)|
|MSL 1,Lead Finish Au|||240|24.000|
||||245.7|24.576|
||||260|26.000|
|,|101 sec.||320|32.000|
|+260°CPeak_——>——|||360|36.000|
||||400|40.000|
|+220 °C|||480|48.000|
||||500|50.000|



_**Figure 1)** Suggested Reflow Profile_