# Crystal, ECX-12R Series, 32.768 kHz, 20 ppm, 6 pF

![Product image](https://novapart.co/image/farnell:4230249/)

**URL**: https://novapart.co/products/ECS-.327-6-12R-TR/crystal-ecx-12r-series-32768-khz-20-ppm-6-pf
**SKU**: ECS-.327-6-12R-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.3600
**Stock**: 1000+
**Lead Time**: 204 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 32.768kHz |
| Product Range | ECX-12R Series |
| Load Capacitance | 6pF |
| Crystal Frequency | 32.768kHz |
| Crystal Case / Package | SMD, 2mm x 1.2mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4230249/)

The ultra-miniature ECX-12R is a very compact SMD Tuning Fork Crystal.  The 2.0 x 1.2 x 0.6 mm ceramic package with reduced ESR is ideal for IOT and Wearable technology. 

## **ECX-12R 32.768 KHz SMD Tuning Fork Crystal Low ESR** 

## **ECX-12R SMD CRYSTAL** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

|**PARAMETERS**|**CONDITIONS**|**ECX-12R**|**ECX-12R**|**ECX-12R**|**UNITS**|
|---|---|---|---|---|---|
||~~es~~|**MIN**<br>~~es~~|**TYP**<br>~~ee~~|**MAX**||
|Frequency<br>~~ee~~|~~ee~~<br>~~es~~|~~ee~~<br>~~es~~|32.768<br>~~ee~~<br>~~ee~~|~~ee~~|KHz<br>~~ee~~|
|Frequency Tolerance<br>~~——~~|@ +25°C<br>~~es~~<br>~~——~~|~~es ~~<br>~~——~~|~~ee~~<br>~~——~~|± 20 *<br>~~——~~|ppm<br>~~——~~|
|Load Capacitance<br>~~——~~|Specifyin P/N<br>~~——~~|~~——~~|12.5<br>~~——~~|~~——~~|pF<br>~~——~~|
|Drive Level<br>~~a~~|DL<br>~~es~~|~~ee~~||1.0|μW|
|Equivalent Series Resistance<br>~~a~~<br>~~ae~~|R1<br>~~es~~<br>~~es~~|~~ee~~<br>~~es~~||70K|Ω|
|Turnover Temperature<br>~~a~~<br>~~ae~~|~~es ~~<br>~~es~~|+20<br> ~~ee~~<br>~~es~~|+25|+30|°C|
|Temperature Coefficient<br>~~ae~~<br>~~———~~|~~es~~<br>~~———~~|-0.03<br>~~es~~<br>~~———~~|-0.033<br>~~———~~|-0.036<br>~~———~~|ppm/°C²<br>~~———~~|
|Shunt Capacitance<br>~~———~~|Co<br>~~———~~|~~———~~|1.3<br>~~———~~|~~———~~|pF<br>~~———~~|
|Aging(First Year)<br>~~———~~|@ +25°C ±3°C<br>~~———~~|~~———~~|~~———~~|±3<br>~~———~~|ppm<br>~~———~~|
|Operating Temperature|Topr|-40||+85|°C|
|Storage Temperature|Tstg|-55||+125|°C|



## **DIMENSIONS (mm)** 

|**PAD CONNECTIONS**|**PAD CONNECTIONS**|
|---|---|
|1|In/Out|
|2|Out/In|



_**Figure 1)** Top, Side, and Bottom views_ 

_**Figure 2)** Suggested Land Pattern_ 

**PART NUMBERING GUIDE:  Example ECS-.327-12.5-12R-TR ECS -  FREQUENCY ABBREVIATION LOAD PACKAGE CUSTOM OPTIONS PACKAGING CAPACITANCE** Tolerance ~~eeee~~ ECS .327 = 32.768  KHz 12.5 = 12.5 pF -12R = ECX-12R Blank = ±20 ppm TR = Tape 9 = 9 pF * C = ± 10 ppm & Reel 7 = 7 pF 3K/Reel 6 = 6 pF ~~a _ ee~~ 

*Contact ECS for availability 

Rev.2018 

## **ECX-12R** 

## **32.768 KHz SMD Tuning Fork Crystal Low ESR** 

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

**==> picture [19 x 25] intentionally omitted <==**

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Cover<br>**----- End of picture text -----**<br>


**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-.327-6-12R-TR/crystal-ecx-12r-series-32768-khz-20-ppm-6-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-327-6-12r-tr/xtal-32-768khz-6pf-smd-2mm-x-1/dp/4230249)
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