# Crystal, ECX-34R Series, 32.768 kHz, 20 ppm, 7 pF

![Product image](https://novapart.co/image/farnell:4059234/)

**URL**: https://novapart.co/products/ECS-.327-7-34R-TR/crystal-ecx-34r-series-32768-khz-20-ppm-7-pf
**SKU**: ECS-.327-7-34R-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.3230
**Stock**: 200+
**Lead Time**: 162 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 32.768kHz |
| Product Range | ECX-34R Series |
| Load Capacitance | 7pF |
| Crystal Frequency | 32.768kHz |
| Crystal Case / Package | SMD, 3.2mm x 1.5mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4059234/)

## **ECX-34R SMD CRYSTAL** 

The ultra-miniature ECX-34R is a very compact SMD Tuning Fork Crystal with a Max. **Low ESR of 50K Ω** .  The 3.2 x 1.5 x 0.9 mm ceramic package is ideal for mobile deivces, real time clocks, and wireless applications. 

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|**PARAMETERS**|**CONDITIONS**|**ECX-34R**|**ECX-34R**|**ECX-34R**|**UNITS**|
|---|---|---|---|---|---|
|||**MIN**|**TYP**|**MAX**||
|Frequency<br>~~————~~|Fo<br>~~————~~|~~————~~|32.768<br>~~————~~|~~————~~|KHz<br>~~————~~|
|Frequency Tolerance<br>~~————~~|@ +25°C<br>~~————~~|~~————~~|~~————~~|± 20 *<br>~~————~~|ppm<br>~~————~~|
|Temperature Coefficient<br>~~————~~|~~————~~<br>~~es~~|-0.028<br>~~————~~<br>~~es~~|-0.034<br>~~————~~<br>~~es~~|-0.040<br>~~————~~|ppm/°C²<br>~~————~~|
|Shunt Capacitance<br>~~es~~|Co<br>~~es~~<br>~~es~~<br>~~eee~~|~~es~~<br>~~es~~<br>~~es~~|1.3<br>~~es~~<br>~~es~~<br>~~es~~|~~es~~|pF<br>~~es~~|
|Load Capacitance<br>~~es~~|Specify in P/N<br>~~es~~<br>~~es~~<br>~~eee~~<br>~~es~~|~~es~~<br>~~es~~<br>~~es~~<br>~~es~~|12.5<br>~~es~~<br>~~es~~<br>~~es~~<br>~~es~~|~~es~~|pF<br>~~es~~|
|Drive Level<br>~~es~~|DL<br>~~eee~~<br>~~es~~<br>~~es~~<br>~~es rs ee~~|~~es ~~<br>~~es~~<br>~~es~~<br>~~rs ee~~|~~es~~<br>~~es~~<br>~~es~~<br>~~rs ee~~|0.5<br>~~es~~|μW<br>~~es~~|
|Equivalent Series Resistance<br>~~es~~|R1<br>~~es~~<br>~~es~~<br>~~es rs ee~~<br>~~es rs ee~~|~~es~~<br>~~es~~<br>~~rs ee~~<br>~~rs ee~~|~~es~~<br>~~es~~<br>~~rs ee~~<br>~~rs ee~~|50K<br>~~es~~|Ω<br>~~es~~|
|Insulation Resistance<br>~~es~~|@ 100V DC<br>~~es rs ee~~<br>~~es~~<br>~~es rs ee~~<br>~~eee~~|500M<br>~~rs ee~~<br>~~es~~<br>~~rs ee~~|~~rs ee~~<br>~~es~~<br>~~rs ee~~|~~es~~|Ω<br>~~es~~|
|Turnover Temperature<br>~~es~~|~~es rs ee~~<br>~~es~~<br>~~eee~~|+20<br>~~rs ee~~<br>~~es~~|+25<br>~~rs ee~~<br>~~es~~|+30<br>~~es~~|°C<br>~~es~~|
|Operating Temperature<br>~~————~~|Topr<br>~~eee~~<br>~~————~~|-40<br>~~————~~|~~————~~|+85<br>~~————~~|°C<br>~~————~~|
|Storage Temperature<br>~~————~~|Tstg<br>~~————~~<br>~~es~~|-55<br>~~————~~<br>~~es~~|~~————~~<br>~~es~~|+125<br>~~————~~|°C<br>~~————~~|
|Aging (First Year)<br>~~————~~<br>~~es~~|@ +25°C ±3°C<br>~~————~~<br>~~es~~<br>~~es~~|~~————~~<br>~~es~~<br>~~es~~|~~————~~<br>~~es~~<br>~~es~~|±3<br>~~————~~<br>~~es~~|ppm<br>~~————~~<br>~~es~~|



## **DIMENSIONS (mm)** 

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PAD CONNECTIONS<br>1  In/Out<br>2  Out/In<br>**----- End of picture text -----**<br>


_**Figure 2)** Suggested Land Pattern_ 

_**Figure 1)** Top, Side, and Bottom views_ _**Figure 2)** Suggested Land Pattern_ **PART NUMBERING GUIDE:  Example ECS-.327-12.5-34R-TR ECS -  FREQUENCY ABBREVIATION LOAD PACKAGE CUSTOM OPTIONS PACKAGING CAPACITANCE** Tolerance ~~eeee~~ ECS .327 = 32.768  KHz 12.5 = 12.5 pF -34R = ECX-34R Blank = ±20 ppm TR = Tape 9 = 9 pF * C = ± 10 ppm & Reel 7 = 7 pF 3K/Reel 6 = 6 pF *Contact ECS for availability 

Rev.2019 

## R - S **ECX-34R** COMPLIANT **SMD CRYSTAL** 

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

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caTe[e]o<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 

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_**Figure 1)** Suggested Reflow Profile_ 



## Links

- [View this product on Novapart](https://novapart.co/products/ECS-.327-7-34R-TR/crystal-ecx-34r-series-32768-khz-20-ppm-7-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs/ecs-327-7-34r-tr/crystal-32-768khz-smd-3-2mmx1/dp/4059234)
---

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