ECS-73-18-5PLX-AGN-TR

Crystal, CSM-7X Series, 7.3728 MHz, 25 ppm, 30 ppm, 18 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
Available until stocks are exhausted
SVHC: No SVHC (25-Jun-2025)
Frequency Nom: 7.3728MHz
Product Range: 0
Load Capacitance: 18pF
Crystal Frequency: 7.3728MHz
Crystal Case / Package: SMD, 11.4mm x 4.8mm
Frequency Stability + / -: 30ppm
Frequency Tolerance + / -: 25ppm
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C

Delivery and price
Units per pack	1000
Price	0.176 €
Current stock	10+
Lead time	30 days

Datasheet

## Sus 

The CSM-7X is an excellent choice for a low cost SMD Crystal.  The CSM-7X (5PX) has a case height of 4.3 mm Max. in a resistance weld metal package.  Lower profile package height of 3.2 mm is available with the (5PLX) package. 

## **CSM-7X SMD CRYSTAL** = aiiiien **Request a Sample** | | i 

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CSM-7X SMD CRYSTAL<br>**----- End of picture text -----**<br>


- Cost Effective 

- Low Profile 

- Industry Standard Footprint 

- Pb Free/RoHS Compliant 

## **DIMENSIONS (mm)** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

**PARAMETERS CONDITIONS CSM-7X UNITS MIN TYP MAX** Frequency 3.57 70.000 MHz Frequency Tolerance* @ +25°C ± 30 ppm Standard Frequency Stability* ± 50 ppm -10 ~ +70°C Shunt Capacitance Co 7 pF ~~a es es~~ Load Capacitance Specify in P/N ~~es es~~ 10 20 Series pF ~~es~~ Drive Level D ~~es~~ L ~~es ee~~ 500 μW ~~ee~~ Operating Temperature* T ~~ee~~ opr ~~es~~ -10 ~~ee ee~~ +70 °C ~~ee~~ Storage Temperature T ~~ee~~ stg ~~es~~ -55 ~~ee ee~~ +125 °C ~~es~~ Aging (First Year) ~~es~~ @ +25°C ±3°C ~~es~~ ±5 ppm 

## **EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION** 

|||**Frequency (MHz)         ESR Ω Max.**<br>3.57 ~ 4.999|**Frequency (MHz)         ESR Ω Max.**<br>3.57 ~ 4.999|**ESR Ω Max.**<br>150|**Mode of Osc.**<br>Fundamental|
|---|---|---|---|---|---|
||||5.000 ~ 5.999|80|Fundamental|
|MeN,<br>——|||6.000 ~ 6.999<br>7.000 ~ 8.999<br>9.000 ~ 12.999<br>13.000 ~ 19.999<br>20.000 ~ 40.000<br>40.000 ~ 70.000|70<br>60<br>50<br>40<br>30<br>80|Fundamental<br>Fundamental<br>Fundamental<br>Fundamental<br>Fundamental<br>3rdOvertone|
|||||||
|**Height “H” Max.**||||||
|-5PX|4.3 mm|||||
|5PLX|3.2 mm|||||



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

Crystal is symmetrical, pin 1 & 2 are interchangeable. 

_**Figure 2)** Suggested land_ 

## **PART NUMBERING GUIDE:  Example ECS-200-20-5PX-TR** 

||**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||||
||||||||||||||||||||||
||200 = 20.000  MHz<br>ECS||||20 = 20 pF||5PX = 4.3 mm||||Blank = Std||Blank= Std||Blank= Std||||TR =||
||See P/N Guide||||10 = 10 pF<br>S = Series||5PLX = 3.2 mm||||A = ± 25ppm<br>J = ± 20ppm<br>R = ± 15ppm<br>C = ± 10ppm||D= ±100 ppm<br>E = ± 50 ppm<br>G = ± 30 ppm<br>H = ± 25 ppm||L =   -10 ~ +70°C<br>M = -20 ~ +70°C<br>Y  =  -30 ~ +85°C<br>N =  -40 ~ +85°C||||Tape<br>& Reel<br>1K/Reel||
|* 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.2020||



## RoHS **CSM-7X** COMPLIANT **SMD CRYSTAL** 

## **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 Sn/Cu Matte 

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+260 °CPeak OS<br>+220 °C<br>#170410 °C<br>a<br>>.— 120420 see.<br>**----- End of picture text -----**<br>


_**Figure 1)** Suggested Reflow Profile_

Updated at June 5, 2026

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