ECS-.327-12.5-1210-TR

Crystal, ECX-1210 Series, 32.768 kHz, 20 ppm, 12.5 pF

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: ECS INC INTERNATIONAL
Product type: Crystals
SVHC: No SVHC (04-Feb-2026)
Frequency Nom: 32.768kHz
Product Range: ECX-1210 Series
Load Capacitance: 12.5pF
Crystal Frequency: 32.768kHz
Crystal Case / Package: SMD, 1.2mm x 1mm
Frequency Stability + / -: -
Frequency Tolerance + / -: 20ppm
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C

Delivery and price
Units per pack	15000
Price	0.645 €
Current stock	10+
Lead time	30 days

Datasheet

## **ECX-1210 32.768 KHz SMD Tuning Fork Crystal** 

## COMPLIANT 

The ultra-miniature 2-Pad ECX-1210 is a very compact SMD Tuning Fork Crystal.  The 1.2 x 1.0 x 0.5 mm **smallest** in it’s class ceramic package is ideal for LoRa Wan, wearable devices, IoT, and medical applications. 

**Request a Sample** 

## **ECX-1210 SMD CRYSTAL** 

- Low Power RTC Applications such as STM32 AN2867 

- 1.2 x 1.0 mm Footprint 

- Extended Temp. Range 

- RoHS Compliant 

- Applications:  Automotive, COTS, Industrial, IOT 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

|**PARAMETERS**|**CONDITIONS**|**ECX-1210**|**ECX-1210**|**ECX-1210**|**UNITS**|
|---|---|---|---|---|---|
|||**MIN**|**TYP**|**MAX**||
|Frequency|||32.768||KHz|
|Frequency Tolerance|@ +25°C|||± 20 *|ppm|
|Load Capacitance|Specifyin P/N||12.5||pF|
|Drive Level|DL||0.1|0.5|μW|
|Equivalent Series Resistance|R1|||90K|Ω|
|Turnover Temperature||+20|+25|+30|°C|
|Temperature Coefficient||-0.02|-0.03|-0.040|ppm/°C²|
|Shunt Capacitance|Co||1.1||pF|
|Aging(First Year)|@ +25°C ±3°C|||±3|ppm|
|Operating Temperature|Topr|-40||+85|°C|
|Storage Temperature|Tstg|-40||+85|°C|



## **DIMENSIONS (mm)** 

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



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

**PART NUMBERING GUIDE:  Example ECS-.327-12.5-1210-TR** 

|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**LOAD**|||**PACKAGE**||**CUSTOM OPTIONS**|**CUSTOM OPTIONS**||**PACKAGING**|**PACKAGING**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||**CAPACITANCE**||||||Tolerance|Tolerance|Tolerance||
|||||||||||||||
|ECS||.327 = 32.768  KHz||12.5 = 12.5 pF|||-1210 = ECX-1210|||Blank = ±20 ppm|||TR = Tape|
|||||9 = 9 pF||||||* C = ± 10 ppm|||& Reel|
|||||7 = 7 pF|||||||||5K/Reel|



*Contact ECS for availability 

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Rev.2019<br>**----- End of picture text -----**<br>


**32.768 KHz SMD Tuning Fork Crystal** 

## RoHS **ECX-1210** 

## **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_

Updated at June 5, 2026

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