# Crystal, AEC-Q200, ECX-33Q Series, 12.8 MHz, 20 ppm, 50 ppm, 12 pF

![Product image](https://novapart.co/image/farnell:4350669/)

**URL**: https://novapart.co/products/ECS-122.8-12-33Q-JES-TR/crystal-aec-q200-ecx-33q-series-128-mhz-20-ppm-50
**SKU**: ECS-122.8-12-33Q-JES-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.4250
**Stock**: 1000+
**Lead Time**: 92 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 12.8MHz |
| Product Range | ECX-33Q Series |
| Load Capacitance | 12pF |
| Crystal Frequency | 12.8MHz |
| Crystal Case / Package | SMD, 3.2mm x 2.5mm |
| Frequency Stability + / - | 50ppm |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 125°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4350669/)

## Ror 

The ECX-33Q is a miniature SMD Crystal with a 3.2 x 2.5 mm footprint.  AEC-Q200 Qualified. 

**ECX-33Q SMD CRYSTAL Request a Sample** = 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

## **ECX-33Q SMD CRYSTAL** 

|**ECX-33Q SMD CRYSTAL**||||**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|
|---|---|---|---|---|---|---|---|
|||||**PARAMETERS**<br>**CONDITIONS**<br>**ECX-33Q**<br>**UNITS**||||
|||||**MIN**<br>**TYP**<br>**MAX**||||
|||||Frequency<br>8.000<br>54.000<br>MHz<br>~~SS~~||||
|||||Mode of Oscillation<br>Fundamental<br>~~a~~||||
|• Low Profile||||FrequencyTolerance*<br>@ +25°C<br>± 30<br>ppm<br>Frequency Stability*<br>-55 ~ +125°C<br>(DU Option)<br>± 100<br>ppm<br>Shunt Capacitance<br>Co<br>7<br>pF<br>Load Capacitance<br>Specifyin P/N<br>6<br>20<br>Series<br>pF<br>~~a~~<br>~~pf tT~~<br>~~a~~||||
|• 3.2 x 2.5 mm Footprint<br>• RoHS Compliant<br>• AEC-Q200 Qualified<br>**DIMENSIONS (mm)**||||Drive Level<br>DL<br>100<br>μW<br>Operating Temperature*<br>Topr<br>(DU Option)<br>-55<br>+125<br>°C<br>Storage Temperature<br>Tstg<br>-55<br>+125<br>°C<br>Aging (First Year)<br>@ +25°C ±3°C<br>±5<br>ppm<br>~~a~~<br>~~-_____}~~<br>~~{| }~~<br>~~{| |~~<br>~~SS~~||||
|3.20.1<br>é<br>zs<br>a {|<br>So<br>4<br>H||**Frequency (MHz)         ESR Ω Max.**<br>8.000 ~ 9.999<br>500<br>10.000 ~ 15.999<br>100<br>16.000 ~ 19.999<br>80<br>0.1<br>oe<br>:<br>j<br>r<br>KS<br>4<br>U,1} 2YA<br>[_]||||||
|||||20.000 ~ 23.999<br>60||||
|||||24.000 ~ 54.000<br>40||||
|||||||||
|||||**Pad Connections**||||
|**_Figure 1)_**_Top, Side, and Bottom_||||1<br>In/Out<br>2<br>Gnd<br>3<br>Out/In<br>i \\<br>=||||
|4<br>Gnd<br>Crystal is symmetrical, pads 1 & 3 are interchangeable.<br>Chamfer on the bottom pad has no electrical<br>significance.<br>**_Figure 2)_**_Suggested land_||||||||
|**PART NUMBERING GUIDE:  Example ECS-200-20-33Q-DU-TR**||||||||
|**ECS -  FREQUENCY ABBREVIATION**||**ECS -  FREQUENCY ABBREVIATION**||**LOAD**<br>**PACKAGE**<br>**AVAILABLE OPTIONS**<br>**PACKAGING**|**PACKAGING**|||
|||||**CAPACITANCE**<br>Tolerance           Stability                 Temp Range||||
|||||||||
|* Specify available options in P/N.<br>† Contact ECS for availability over extended temp range.<br>†† JES-TR & JEN-TR 3K/Reel<br>200 = 20.000  MHz<br>See P/N Guide<br>ECS||||20 = 20 pF<br>10 = 10 pF<br>S = Series<br>33Q =<br>ECX-33Q<br>Blank = ±30ppm<br>A = ± 25ppm<br>J = ± 20ppm<br>R = ± 15ppm<br>C = ± 10ppm<br>D= ±100 ppm<br>E = ± 50 ppm<br>G = ± 30 ppm<br>H = ± 25 ppm<br>T = ± 20 ppm †<br>W = ±15 ppm †<br>K = ± 10 ppm †<br>TR =1K††<br>TR3=3K<br>Qty/Reel<br>† Contact ECS for availability over extended temp range.<br>L =   -10 ~ +70°C<br>M = -20 ~ +70°C<br>Y  =  -30 ~ +85°C<br>N =  -40 ~ +85°C<br>P =  -40 ~ +105°C<br>S =  -40 ~ +125°C<br>U =  -55 ~ +125°C<br>Rev.2023<br>-__||||



- Low Profile 

- 3.2 x 2.5 mm Footprint 

- RoHS Compliant 

- AEC-Q200 Qualified 

_**Figure 1)** Top, Side, and Bottom_ 

Crystal is symmetrical, pads 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical significance. 

## **ECX-33Q SMD CRYSTAL** 

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

**==> picture [216 x 20] intentionally omitted <==**

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pat et c}]ol{ Fis | t | M [Reel Dia. |<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 

|**DEVELOPED FREQUENCIES**<br>~~a~~|**DEVELOPED FREQUENCIES**<br>~~a~~|
|---|---|
|Abbreviation<br> ~~a~~<br>~~ee~~|Frequency (MHZ)<br>~~a~~|
|80<br>~~ee~~<br>~~ee~~|8.000<br>~~ee~~|
|100<br>~~ee~~|10.000|
|120<br> ~~ee~~|12.000|
|122.8|12.288|
|130|13.000|
|135.6|13.560|
|143|14.31818|
|147.4|14.7456|
|160|16.000|
|163.8|16.384|
|166.666<br>~~es~~|16.6666<br>~~es~~|
|184<br>~~es~~<br>~~ee~~|18.432<br>~~es~~<br>~~ee~~|
|196.6<br>~~ee~~|19.6608<br>~~ee~~|
|200<br>~~ee~~|20.000|
|221<br>~~ee~~|22.1184|
|240<br>~~ee~~|24.000|
|245.7|24.576|
|250|25.000|
|260|26.000|
|270<br>~~ee~~|27.000<br>~~ee~~|
|286.3<br>~~ee~~|28.63636<br>~~ee~~|
|300<br>~~ee~~|30.000<br>~~ee~~|
|320|32.000|
|330|33.000|
|400|40.000|



_**Figure 1)** Suggested Reflow Profile_ 



## Links

- [View this product on Novapart](https://novapart.co/products/ECS-122.8-12-33Q-JES-TR/crystal-aec-q200-ecx-33q-series-128-mhz-20-ppm-50)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-122-8-12-33q-jes-tr/crystal-12-8mhz-12pf-smd-3-2mm/dp/4350669)
---

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