ECS-.327-6-34G-TR

Crystal, ECX-34G Series, 32.768 kHz, 20 ppm, 0.034 ppm, 6 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: 0
Load Capacitance: 6pF
Crystal Frequency: 32.768kHz
Crystal Case / Package: SMD, 3.2mm x 1.5mm
Frequency Stability + / -: 0.034ppm
Frequency Tolerance + / -: 20ppm
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C

Delivery and price
Units per pack	500
Price	0.309 €
Current stock	1000+
Lead time	30 days

Datasheet

RoHS The sub miniature ECX-34G is a compact SMD tuning fork COMPLIANT crystal with a case ground.  The 3.2 x 1.5 x 0.9 mm ceramic package is ideal mobile devices, IoT and low noise applications. 

**ECX-34G SMD CRYSTAL Request a Sample** EME 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

## **ECX-34G SMD CRYSTAL** 

**PARAMETERS CONDITIONS ECX-34G UNITS MIN TYP MAX** Frequency 32.768 KHz Frequency Tolerance at +25°C ± 20 °C Frequency Stability -40 to +85°C -0.028 -0.034 -0.040 ppm/°C² Shunt Capacitance Co 0.75 pF ~~a~~ Load Capacitance Specify in P/N 12.5 pF ~~ee~~ Drive Level 1 μW • Grounded Metal Cover Equivalent Series Resistance R1 70K Ω • 3.2 x 1.5 mm Footprint ~~es~~ • Low Power RTC Applications ~~es~~ Quality Factor Q 30K such as STM32 AN2867 Turnover Temperature +20 +25 +30 °C ~~— es~~ • RoHS Compliant ~~ee~~ Operating Temperature ~~ss~~ -40 +85 ppm ~~ee~~ Storage Temperature ~~ss~~ -55 +125 ppm ~~pC~~ Aging (First Year) @ +25°C ±3°C ±3 ppm 

## **DIMENSIONS (mm)** 

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**----- Start of picture text -----**<br>
Figure 1)  Top, Side, and Bottom views<br>**----- End of picture text -----**<br>


|**PAD CONNECTIONS**|**PAD CONNECTIONS**|
|---|---|
|1|In/Out|
|2|Gnd or NC|
|3|Out/In|



_**Figure 2)** Suggested Land Pattern_ 

## **PART NUMBERING GUIDE:  Example ECS-.327-12.5-34G-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|||34G = ECX-34G|||Blank = ±20 ppm|||TR = Tape|
||||||6 = 6 pF||||||* C = ± 10 ppm|||& Reel|
|||||||||||||||3K/Reel|



Rev.2016 

*Contact ECS for availability 

## Ro Hl S **ECX-34G SMD CRYSTAL** 

## **POCKET TAPE & Reel DIMENSIONS** 

**==> picture [40 x 61] intentionally omitted <==**

**----- Start of picture text -----**<br>
Mm 7D<br>a, a,<br>|.<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_

Updated at June 5, 2026

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