# Crystal, ECX-12 Series, 32.768 kHz, 10 ppm, 9 pF

![Product image](https://novapart.co/image/farnell:4059434RL/)

**URL**: https://novapart.co/products/ECS-.327-9-12-C-TR/crystal-ecx-12-series-32768-khz-10-ppm-9-pf
**SKU**: ECS-.327-9-12-C-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.3580
**Stock**: 1000+
**Lead Time**: 190 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 32.768kHz |
| Product Range | ECX-12 Series |
| Load Capacitance | 9pF |
| Crystal Frequency | 32.768kHz |
| Crystal Case / Package | SMD, 2mm x 1.2mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 10ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4059434RL/)

## Duc 

The ultra-minature ECX-12 is a very compact SMD Tuning Fork Crystal.  The 2.0 x 1.2 x 0.6 mm ceramic package is ideal for mobile devices, IoT, real time clocks, and industrial applications. 

**ECX-12 32.768 KHz SMD Tuning Fork Crystal** | **Request a Sample** —— 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

## **ECX-12 SMD CRYSTAL** 

|**PARAMETERS**|**CONDITIONS**|**ECX-12**|**ECX-12**|**ECX-12**|**UNITS**|
|---|---|---|---|---|---|
||~~ee~~|**MIN**|**TYP**|**MAX**||
|Frequency<br> ~~ee~~|~~ee~~<br>~~ee~~|~~ee~~|32.768<br>~~ee~~|~~ee~~|KHz<br>~~ee~~|
|Frequency Tolerance<br>|@ +25°C<br><br>~~ee~~|||± 20 *<br>|ppm<br>|
|Load Capacitance|Specifyin P/N||12.5||pF|
|Drive Level|DL<br>~~ee~~||0.1|0.5|μW|
|Equivalent Series Resistance<br>~~es~~|R1<br>~~es~~<br>~~ee~~<br>~~ee~~|~~es~~|~~es~~|90K<br>~~es~~|Ω<br>~~es~~|
|Motional Capacitance<br>~~es~~|~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~|~~es~~|7.0<br>~~es~~|~~es~~|fF<br>~~es~~|
|Turnover Temperature<br>~~ee~~<br>~~po~~|~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|+20<br>~~ee~~|+25<br>~~ee~~|+30<br>~~ee~~|°C<br>~~ee~~|
|Temperature Coefficient<br>~~ee~~<br>~~po~~|~~ee~~<br>~~ee~~<br>~~ee~~|-0.02<br>~~ee~~|-0.03<br>~~ee~~|-0.040<br>~~ee~~|ppm/°C²<br>~~ee~~|
|Shunt Capacitance<br>~~po~~|Co<br>~~ee~~<br>~~ee~~||1.3||pF|
|Aging (First Year)<br>~~po~~<br>~~es~~|@ +25°C ±3°C<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~|~~es~~|~~es~~|±3<br>~~es~~|ppm<br>~~es~~|
|Operating Temperature<br>~~es~~|Topr<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~|-40<br>~~es~~<br>~~es~~|~~es~~|+85<br>~~es~~|°C<br>~~es~~|
|Storage Temperature<br>~~es~~|Tstg<br>~~ee~~<br>~~es~~<br>~~ee~~|-55<br>~~es~~<br>~~es~~|~~es~~|+125<br>~~es~~|°C<br>~~es~~|



## **DIMENSIONS (mm)** 

|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|**PAD CONNECTIONS**<br>1<br>In/Out<br>2<br>Out/In<br>**_Figure 2)_**_Suggested Land Pattern_<br>**_Figure 1)_**_Top, Side, and Bottom views_<br>~~|~~<br>Het<br>|<br>———|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||**PART NUMBERING GUIDE:  Exam**|||**PART NUMBERING GUIDE:  Example ECS-.327-12.5-12-TR**||||||||
|**ECS -  FREQUENCY ABBREVIATION**<br>**LOAD**||||||**PACKAGE**|**PACKAGE**||**CUSTOM OPTIONS**||**PACKAGING**|**PACKAGING**|
||||**CAPACITANCE**|||||||Tolerance|Tolerance||
||||||||||||||
|ECS||.327 = 32.768  KHz|12.5 = 12.5 pF<br>9 = 9 pF||||-12 = ECX-12|||Blank = ±20 ppm<br>* C = ± 10 ppm<br>TR = 3K/Reel<br>TR9 = 9K/Reel|||
||||7 = 7 pF||||||||||
||||6 = 6 pF||||||||||



*Contact ECS for availability 

Rev.2022 

**ECX-12 32.768 KHz SMD Tuning Fork Crystal** 

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

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

_**Figure 1)** Suggested Reflow Profile_ 



## Links

- [View this product on Novapart](https://novapart.co/products/ECS-.327-9-12-C-TR/crystal-ecx-12-series-32768-khz-10-ppm-9-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-327-9-12-c-tr/crystal-32-768khz-smd-2mmx1-2mm/dp/4059434RL)
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