QC3CA14.7456F12B23M

**QC3CA Series** 2.5x3.2 4-Pad SMD All Ceramic Crystal Unit 

## **Features** 

- All ceramic epoxy sealed SMD package 

- Low in height, suitable for thin equipment 

## **Applications** 

   - High density applications 

   - Modem, communication and test equipment 

- Tight tolerance and stability available 

|General Specifications|General Specifications|
|---|---|
|Frequency Range|12.000 to 48.000MHz (Fundamental)|
|Frequency Tolerance at 25°C|±20 to ±50ppm (±30ppm standard)|
|Frequency Stability over Temperature Range|See Stability vs. Temperature Table|
|Storage Temperature|-55 to +125°C|
|Aging per Year|±5ppm max.|
|Load Capacitance CL|10 to 32pF and Series Resonance|
|Shunt Capacitance C0|7.0pF max.|
|Equivalent Series Resistance (ESR)|See ESR Table|
|Drive Level|100μW typ. (500μW max)|
|Insulation Resistance (MΩ)|500 at 100Vdc ±15Vdc|



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Equivalent Series Resistance (ESR)<br>Frequency Range - MHz Ω  max. Mode of Operation<br>12.000 to 16.000 120 Fundamental<br>16.000 to 25.000 60 Fundamental<br>25.000 to 30.000 50 Fundamental<br>30.000 to 48.000 35 Fundamental<br>**----- End of picture text -----**<br>


## Frequency Stability vs. Temperature 

Operating Temperature ±20ppm ±30ppm ±50ppm -20 to +70°C -40 to +85°C standard available 

## Mechanical Dimensions 

## Part Numbering Guide 

|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|Part Numbering Guideg GuideGuide|
|---|---|---|---|---|---|---|---|---|
|Qantek<br>Code|Package|Nominal Frequency<br>(in MHz)|Vibration<br>Mode|Load Capacitance|Operating Temperature<br>Range|Frequency<br>Tolerance|Frequency<br>Stability|Packaging|
|Q = Qantek|C3CA = 2.5x3.2<br>=4-Pad SMD|7 digits including the<br>decimal point<br>(f.ie. 12.0000)|F = AT-Fund|S = Series<br>**12 = 12pF**<br>18 = 18pF<br>20 = 20pF   etc.|A = -20 to +70°C<br>**B = -40 to +85°C**|2 = ±20ppm<br>**3 = ±30ppm**<br>5 = ±50ppm|2 = ±20ppm<br>**3 = ±30ppm**<br>5 = ±50ppm|M = 250pcs Tape&Reel<br>R = 1000pcs Tape&Reel<br>R3 = 3000pcs Tape&Reel|
|Example: QC3CA12.0000F12B33R<br>bold letters = recommended standard specification|||||||||



**QANTEK Technology Corporation** Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info@qantek.com 

**QC3CA Series** 2.5x3.2 4-Pad SMD All Ceramic Crystal Unit 

## Tape and Reel Dimensions 

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## Marking Code Guide 

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Contains frequency, Qantek manufacturing code, production code (month and year) and load capacitance.<br>Month Codes Year Codes Load Capacitance Code in pF<br>January A July G 2019 9 2020 0 2021 1 pF PN Code pF PN Code<br>February B August H 2022 2 2023 3 2024 4 12 A 20 F<br>March C September I 18 B 22 G<br>April D October J 8 C 30 H<br>May E November K 10 D 32 I<br>June F December L 16 E S S<br>Example:     First Line: 12.000  (Frequency)     Second Line: QK9A  (Qantek - November - 2019 - 12 pF)<br>**----- End of picture text -----**<br>


## Solder Reflow Profile 

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Environmental Specifications<br>Mechanical Shock MIL-STD-202, Method 213, C<br>Vibration MIL-STD-202, Method 201 & 204<br>Thermal Cycle MIL-STD, Method 1010, B<br>Gross Leak MIL-STD-202, Method 112<br>Fine Leak MIL-STD-202, Method 112<br>**----- End of picture text -----**<br>


All specifications are subject to change without notice. 

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## **QANTEK Technology Corporation** 

Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info@qantek.com