# Crystal, ECX-39 Series, 32.768 kHz, 20 ppm, 12.5 pF

![Product image](https://novapart.co/image/farnell:3649559/)

**URL**: https://novapart.co/products/ECS-.327-12.5-39-TR/crystal-ecx-39-series-32768-khz-20-ppm-125-pf
**SKU**: ECS-.327-12.5-39-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.6240
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Frequency Nom | 32.768kHz |
| Product Range | ECX-39 Series |
| Load Capacitance | 12.5pF |
| Crystal Frequency | 32.768kHz |
| Crystal Case / Package | SMD, 4.9mm x 1.8mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3649559/)

## **ECX-39 SMD CRYSTAL** 

The miniature ECX-39 is a very compact SMD Tuning Fork Crystal.  The 4.9 x 1.8 x 1.0 mm ceramic package is ideal for wide range in communication and measuring equipment. 

**Request a Sample** 

## **ECX-39 SMD CRYSTAL** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

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**----- Start of picture text -----**<br>
PARAMETERS  CONDITIONS  ECX-39  UNITS<br>MIN  TYP  MAX<br>ee Frequency   ee Fo  32.768  KHz<br>es Frequency Tolerance  ee @ +25°C  ± 20 *  ppm<br>es Load Capacitance  Specify in P/N  12.5  pF<br>es Drive Level  DL  0.1  1.0  μW<br>Equivalent Series Resistance  R1  70K  Ω<br>es<br>Turnover Temperature  +20  +25  +30  °C<br>es<br>• Low Profile<br>• 4.9 x 1.8 mm Footprint  es Temperature Coefficient  ee -0.028  -0.034  -0.040  ppm/°C²<br>• Extended Temp. Range  es Shunt Capacitance  ee Co  1.33  pF<br>• RoHS Compliant  ee Aging (First Year)  @ +25°C ±3°C  ±3  ppm<br>• Low Power RTC Applications  es es<br>such as STM32  a AN2867 es Operating Temperature  ee Topr  -40  +85  °C<br>es Storage Temperature  ee Tstg  -55  +125  °C<br>Insulation Resistance  @ 100V DC  500M  Ω<br>es<br>DIMENSIONS (mm) ee<br>**----- End of picture text -----**<br>


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

_**Figure 2)** Suggested Land Pattern_ 

**PART NUMBERING GUIDE:  Example ECS-.327-12.5-39-TR** 

**==> picture [566 x 113] intentionally omitted <==**

## **ECX-39 SMD CRYSTAL** 

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

**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-.327-12.5-39-TR/crystal-ecx-39-series-32768-khz-20-ppm-125-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-327-12-5-39-tr/crystal-32-768khz-12-5pf-4-9mmx1/dp/3649559)
---

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