# Crystal, HC-49UX Series, 2.4576 MHz, 30 ppm, 50 ppm, 32 pF

![Product image](https://novapart.co/image/farnell:4715983/)

**URL**: https://novapart.co/products/ECS-24-32-1X/crystal-hc-49ux-series-24576-mhz-30-ppm-50-32-pf
**SKU**: ECS-24-32-1X
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.7330
**Stock**: 100+
**Lead Time**: 134 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 2.4576MHz |
| Product Range | HC-49UX Series |
| Load Capacitance | 32pF |
| Crystal Frequency | 2.4576MHz |
| Crystal Case / Package | Through Hole, 11.35mm x 4.65mm |
| Frequency Stability + / - | 50ppm |
| Frequency Tolerance + / - | 30ppm |
| Operating Temperature Max | 70°C |
| Operating Temperature Min | -10°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4715983/)

## RoHS 

The HC-49UX is an “AT” cut resistance weld type Thru Hole quartz crystal. 

## **HC-49UX QUARTZ CRYSTAL** 

## **Request a Sample** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

## **HC-49UX QUARTZ CRYSTAL** 

|**PARAMETERS**|**CONDITIONS**|**HC-49UX**|**HC-49UX**|**HC-49UX**|**UNITS**|
|---|---|---|---|---|---|
|||**MIN**|**TYP**|**MAX**||
|Frequency<br>~~a~~|Fo<br>~~a~~|1.800<br>~~a~~|~~a~~|100.000<br>~~a~~|MHz<br>~~a~~|
|Frequency Tolerance*<br>~~a~~<br>~~Le~~|@ +25°C<br>~~a~~<br>~~Gs~~|~~a~~|~~a~~|± 30<br>~~a~~|ppm<br>~~a~~|
|FrequencyStability*<br>~~es~~<br>~~Le~~|-10 ~ +70°C<br>~~es~~<br>~~Gs~~|~~es~~|~~es~~|± 50<br>~~es~~|ppm<br>~~es~~|
|Shunt Capacitance<br>~~Le~~<br>~~Le~~|Co<br>~~Gs~~<br>~~OO~~|~~OO~~|~~OO~~|7<br>~~OO~~|pF<br>~~OO~~|
|Load Capacitance<br>~~Le~~<br>~~Le~~|Specify in P/N<br>~~Gs~~<br>~~OO~~|10<br>~~OO~~|20<br>~~OO~~|Series<br>~~OO~~|pF<br>~~OO~~|
|Drive Level<br>~~Le ~~<br>~~a~~|DL<br> ~~OO~~|~~OO~~|~~OO~~|1.0<br>~~OO~~|mW<br>~~OO~~|
|Operating Temperature*<br>~~a~~|Topr|-10||+70|°C|
|Storage Temperature<br>~~a~~<br>~~le~~|Tstg|-55||+125|°C|
|Aging (First Year)<br>~~le~~|@ +25°C ±3°C|||±5|ppm|



- Cost Effective 

- Excellent Aging 

- “AT” Cut Crystal 

- Wide Frequency Range 

- PB Free/RoHS Compliant 

- MSL 1 

|**Frequency (MHz)         ESR Ω Max.**<br>|<br>~~s~~|**Frequency (MHz)         ESR Ω Max.**<br>|<br>~~s~~|**Mode of Osc.**|
|---|---|---|
|1.800 ~ 1.999<br>~~e~~|750<br>~~e~~~~**e**~~<br>~~s~~|Fundamental<br>~~**e**~~|
|2.000 ~ 2.399<br>~~ee~~|500<br>~~s~~<br>~~ee~~|Fundamental<br>~~ee~~|
|2.400 ~ 2.999<br>~~ee~~|300<br>~~ee~~|Fundamental<br>~~ee~~|
|3.000 ~ 3.199<br>~~ee~~<br>~~ee~~|200<br>~~ee~~<br>~~ee~~|Fundamental<br>~~ee~~<br>~~ee~~|
|3.200 ~ 3.699<br>~~ee~~<br>~~ee~~|120<br>~~ee~~<br>~~ee~~|Fundamental<br>~~ee~~<br>~~ee~~|
|3.700 ~ 4.199<br> ~~ee~~<br>~~ee~~|100<br>~~ee~~<br>~~ee~~|Fundamental<br>~~ee~~<br>~~ee~~|
|4.200 ~ 4.899<br> ~~ee~~<br>~~ee~~<br>~~ee~~|70<br>~~ee~~<br>~~ee~~<br>~~Gs~~|Fundamental<br>~~ee~~<br>~~ee~~|
|4.900 ~ 4.999<br>~~ee~~<br>~~ee~~|55<br>~~Gs~~<br>~~ee~~|Fundamental|
|5.000 ~ 5.999<br>~~ee~~<br>~~ee~~<br>~~ee~~|50<br>~~Gs~~<br>~~ee~~<br>~~ee~~|Fundamental|
|6.000 ~ 7.999<br>~~ee ~~<br>~~ee~~<br>~~ee~~|40<br> ~~ee~~<br>~~ee~~<br>~~ee~~|Fundamental|
|8.000 ~ 9.999<br>~~ee ~~<br>~~ee~~<br>~~ee~~|35<br> ~~ee~~<br>~~ee~~<br>~~ee~~|Fundamental|
|10.000 ~ 12.499<br>~~ee ~~<br>~~ee~~<br>~~ee~~|30<br> ~~ee~~<br>~~ee~~<br>~~ee~~|Fundamental|
|12.500 ~ 15.999<br>~~ee ~~<br>~~ee~~|25<br> ~~ee~~<br>~~ee~~|Fundamental|
|16.000 ~ 30.000<br>~~ee ~~|20<br> ~~ee~~|Fundamental|
|30.000 ~ 100.000<br>~~ee~~|40<br>~~ee~~|3rdOvertone<br>~~ee~~|



## **DIMENSIONS (mm)** 

_**Figure 1)** Side and Bottom_ 

## **PART NUMBERING GUIDE:  Example ECS-200-20-1X** 

||**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**||**LOAD**|||**PACKAGE**|**PACKAGE**|||**AVAILABLE OPTIONS**|**AVAILABLE OPTIONS**|**AVAILABLE OPTIONS**||**PACKAGING**|**PACKAGING**|**PACKAGING**||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||||**CAPACITANCE**|||||Tolerance           Stability                 Temp Range|||Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range||||
|||||||||||||||||||||||
||ECS||200 = 20.000 MHz||||20 = 20 pF|||1X =||Blank = Std||Blank= Std||Blank= Std||||Bulk||
||||See P/N Guide||||S = Series||HC-49UX|||A = ± 25ppm||D= ±100 ppm||L =   -10 ~ +70°C||||||
|||||||||||||J = ± 20ppm||E = ± 50 ppm||M = -20 ~ +70°C||||||
|||||||||||||R = ± 15ppm||G = ± 30 ppm||Y  =  -30 ~ +85°C||||||
|||||||||||||C = ± 10ppm||H = ± 25 ppm||N =  -40 ~ +85°C||||||
|* Specify available options in P/N.|* Specify available options in P/N.|||||||||||||T = ± 20 ppm †||P =  -40 ~ +105°C||||||
|† Contact ECS for availability over extended temp range.|† Contact ECS for availability over extended temp range.||† Contact ECS for availability over extended temp range.||||† Contact ECS for availability over extended temp range.|||||||W = ±15 ppm †<br>K = ± 10 ppm †||S =  -40 ~ +125°C<br>U =  -55 ~ +125°C||||Rev.2017||



## RoH S **HC-49UX QUARTZ CRYSTAL** COMPLIANT 

**SOLDER PROFILE** Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Sn/Cu Matte 

_**Figure 1)** Suggested Solder Profile_ 

**==> picture [160 x 575] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||
|---|---|---|
|DEVELOPED FREQUENCIES|
|Abbreviation|Frequency|(MHZ)|
|018|1.8432|
|020|2.000|
|020.48|2.048|
|024|2.4576|
|030|3.000|
|032|3.2768|
|035|3.579545|
|036|3.6864|
|039|3.93216|
|040|4.000|
|040.3|4.032|
|041|4.096|
|042|4.194304|
|044|4.433618|
|049|4.9152|
|050|5.000|
|051|5.0688|
|060|6.000|
|065|6.5536|
|073|7.3728|
|080|8.000|
|092.1|9.216|
|098.3|9.8304|
|100|10.000|
|110|11.000|
|110.5|11.0592|
|120|12.000|
|122.8|12.288|
|143|14.31818|
|147.4|14.7456|
|150|15.000|
|160|16.000|
|180|18.000|
|184|18.432|
|196.6|19.6608|
|200|20.000|
|221|22.1184|
|240|24.000|
|480|48.000|

**----- End of picture text -----**<br>




## Links

- [View this product on Novapart](https://novapart.co/products/ECS-24-32-1X/crystal-hc-49ux-series-24576-mhz-30-ppm-50-32-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-24-32-1x/crystal-2-4576mhz-th-11-35mm-x/dp/4715983)
---

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