ECS-400-8-47-JTN-TR

## RoHS 

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 LoRa WAN, RFID, NFC, WiFi, RF, Video, and Audio applications. 

## **ECX-1247 SMD CRYSTAL Request a Sample** — 

## **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**|**ECX-1247**|**ECX-1247**|**UNITS**|
|---|---|---|---|---|---|
||~~ee~~|**MIN**<br>~~es~~|**TYP**<br>~~ee ee~~|**MAX**<br>~~ee~~||
|Frequency<br>~~ee~~|~~ee~~<br>~~ee~~|24.000<br>~~ee~~<br>~~es~~|~~ee~~<br>~~ee ee~~|80.000<br>~~ee~~<br>~~ee~~|MHz<br>~~ee~~|
|Mode of Oscillation|Fundamental<br>~~ee ~~|~~es~~|~~ee ee~~|~~ee~~||
|FrequencyTolerance*|@ +25°C|||± 20|ppm|
|Frequency Stability*|-40 ~ +85°C<br>~~es~~|~~ees ee~~|~~ee~~|± 20<br>~~es~~|ppm|
|Shunt Capacitance<br>~~es~~|Co<br>~~es~~<br>~~es~~<br>~~es~~|~~es~~<br>~~ees ee~~<br>~~eed~~|~~es~~<br>~~ee~~<br>~~ee~~|5<br>~~es~~<br>~~es~~<br>~~es~~|pF<br>~~es~~|
|Load Capacitance<br>~~es~~|Specifyin P/N<br>~~es ~~<br>~~es~~<br>~~es~~<br>~~ees~~|~~ees ee~~<br>~~es~~<br>~~eed~~<br>~~es ee~~|8<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~|~~es~~<br>~~es~~<br>~~es~~<br>~~es~~|pF<br>~~es~~|
|Drive Level<br>~~es~~|DL<br>~~es ~~<br>~~es~~<br>~~ees~~<br>~~ees~~|~~eed ~~<br>~~es~~<br>~~es ee~~<br>~~es ee~~|~~ee ~~<br>~~es~~<br>~~ee~~<br>~~ee~~|100<br> ~~es~~<br>~~es~~<br>~~es~~<br>~~es~~|μW<br>~~es~~|
|Operating Temperature*<br>~~es~~|Topr<br>~~ees ~~<br>~~es~~<br>~~ees~~|-40<br> ~~es ee~~<br>~~es~~<br>~~es ee~~|~~ee~~<br>~~es~~<br>~~ee~~|+85<br>~~es~~<br>~~es~~<br>~~es~~|°C<br>~~es~~|
|Storage Temperature<br>~~OO~~|Tstg<br>~~ees ~~<br>~~OO~~<br>~~es~~|-40<br> ~~es ee~~<br>~~OO~~<br>~~es~~|~~ee~~<br>~~OO~~<br>~~es~~|+90<br>~~es~~<br>~~OO~~<br>~~es~~|°C<br>~~OO~~|
|Aging (First Year)<br>~~es~~|@ +25°C ±3°C<br>~~es~~<br>~~es~~|~~es~~<br>~~es~~|~~es~~<br>~~es~~|±5<br>~~es~~<br>~~es~~|ppm<br>~~es~~|



|**Frequency (MHz)         ESR Ω Max.**|**Frequency (MHz)         ESR Ω Max.**|
|---|---|
|24.000 ~ 29.999|100|
|30.000 ~ 48.999|80|
|49.000 ~ 80.000|50|



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Pad Connections<br>1  In/Out<br>2  Gnd<br>Figure 1)  Top, Side, and Bottom<br>3  Out/In  Lm<br>Crystal is symmetrical, pad 1 & 3 are interchangeable.<br>4  Gnd<br>Chamfer on the bottom pad has no electrical #3 #1 #2 == i\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|||N =  -40 ~ +85°C||Tape<br>& Reel<br>1K/Reel||
|* Specify available options in P/N.||||||||||||T = ± 20 ppm †||P =  -40 ~ +105°C|||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|||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|
|,<br>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_