QC7A27.0000F18B12M

**QC7A Series** 5x7 4-Pad SMD Quartz Crystal Unit 

## **Features** 

- Low in height, suitable for thin equipment 

- Ceramic package and metal lid assures high reliability 

- Tight tolerance and stability available 

## **Applications** 

- High density applications 

- Modem, communication and test equipment 

- PMCIA, wireless applications 

- Automotive applications 

|General Specifi cations|General Specifi cations|General Specifi cations|
|---|---|---|
|Frequency Range||6.000 to 150.000MHz|
|Mode of Oscillation|Fundamental<br>Third Overtone|6.000 to 48.000MHz|
|||40.000 to 150.000MHz|
|Frenquency Tolerance at 25°C||±10 to ±30ppm (±30ppm standard)|
|Frequency Stability over Temperature Range||See Stability vs. Temperature Table|
|Storage Temperature||-55 to +125°C|
|Aging per Year||±3ppm 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.|
|Insulation Resistance (M)||500 at 100Vdc ±15Vdc|



|Equivalent Series Resistance(ESR)|Equivalent Series Resistance(ESR)|Equivalent Series Resistance(ESR)|
|---|---|---|
|Frequency Range - MHz|max.|Mode of Operation|
|6.000<br>to 10.000|110|Fundamental|
|10.100 to 12.000|60||
|12.100 to 20.000|45||
|20.100 to 48.000|30||
|40.000 to 150.000|60|Third Overtone|



|FrequencyStabilityvs. Temperature|FrequencyStabilityvs. Temperature|FrequencyStabilityvs. Temperature|FrequencyStabilityvs. Temperature|FrequencyStabilityvs. Temperature|FrequencyStabilityvs. Temperature|
|---|---|---|---|---|---|
|Operating Temperature|±10ppm|±20ppm|±30ppm|±50ppm|±100ppm|
|-20 to +70°C||||||
|-40 to +85°C|**|||||
|-40 to +105°C|-|-|-|||
|-40 to +125°C|-|-|-|-||
|*Operating Temperature -30 to +85°C<br> 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|Part Numbering Guideg GuideGuide|
|---|---|---|---|---|---|---|---|---|---|
|Qantek<br>Code|Package|Nominal<br>Frequency<br>(in MHz)|Vibration<br>Mode|Load<br>Capacitance|Operating<br>Temperature<br>Range|Frequency<br>Tolerance|Frequency<br>Stability|Automotive<br>Indicator|Packaging|
|Q = Qantek|C7A = 5x7 4-Pad SMD|7 digits including<br>the decimal point<br>(f.ie. 12.0000)|F = AT-Fund|S = Series<br>08 = 8pF<br> **12 = 12pF**<br>18 = 18pF<br>20 = 20pF   etc.|A = -20 to +70°C<br> **B = -40 to +85°C**<br>C = -40 to +105°C<br>D = -40 to +125°C|1 = ±10ppm<br>2 = ±20ppm<br>**3 = ±30ppm**<br>5 = ±50ppm<br>0 = ±100ppm|1 = ±10ppm<br>2 = ±20ppm<br>**3 = ±30ppm**<br>5 = ±50ppm<br>0 = ±100ppm|A = AEC-Q200|M = 250pcs Tape&Reel<br>R = 1000pcs Tape&Reel|
|Example: QC7A12.0000F12B33R<br>bold letters = recommended standard specifi cation||||||||||



**QANTEK Technology Corporation** Phone: +1 877-227-0440 (tollfree) Fax: +1 877-227-0440 (tollfree) 

www.qantek.com info@qantek.com 

**QC7A Series** 5x7 4-Pad SMD Quartz Crystal Unit 

## Tape and Reel Dimensions 

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## Marking Code Guide 

|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|MarkingCode Guide|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Contains frequency, Qantek manufacturing code, production code (month and year) and load capacitance.||||||||||||||||
|Month Codes<br>January<br>A<br>July<br>G<br>February<br>B<br>August<br>H<br>March<br>C<br>September<br>I<br>April<br>D<br>October<br>J<br>May<br>E<br>November<br>K<br>June<br>F<br>December<br>L||||Year Codes|||||||Load Capacitance Code inpF<br>~~pF~~<br>~~PN Code~~<br>pF<br>PN Code<br>12<br>A<br>20<br>F<br>18<br>B<br>22<br>~~G~~<br>8<br>C<br>30<br>H<br>10<br>D<br>32<br>I<br>16<br>E<br>S<br>S|||||
||||||||||||Load Capacitance Code inpF|||||
||A|July|G|2010<br>0||2011|1|20~~1~~|||~~F~~||~~PN C~~|pF|PN Code|
||||||||||~~2~~|~~2~~|~~p~~||~~ode~~|||
||B|August|H|2013<br>3<br>2014<br>4<br>2015<br>5||2014|4|2015|||12||A|20|F|
||C|Septemb|er<br>I||||||||18||B|22|~~G~~|
||D|October|J||||||||8||C|30|H|
||E|Novemb|er<br>K||||||||10||D|32|I|
||F|Decemb|er<br>L||||||||16||E|S|S|
|||||||||||||||||
|_Example:_First Line: 12.000_(Frequency)_Second Line: QA1A_(Qantek - January - 2011 - 12 pF)_||||||||||||||||



## Solder Refl ow Profi le 

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**----- Start of picture text -----**<br>
Environmental Specifi cations<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 specifi cations 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