QC7CA12.0000F18B23M

**End of Life** 12/31/2016 **Replaced by QC7A Series** 

**QC7CA Series** 5x7 4-Pad SMD All Ceramic Crystal Unit 

## **Applications** 

## **Features** 

- All ceramic epoxy sealed SMD package 

   - High density applications 

- Low in height, suitable for thin equipment 

• Modem, communication and test equipment 

- Tight tolerance and stability available 

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CompliantRoHS, ¥ | (5;<br>General Specifications Equivalent Series Resistance (ESR)<br>Frequency Range 6.000 to 30.000MHz (Fundamental) Frequency Range - MHz Ω  max. Mode of Operation<br>Frenquency Tolerance at 25°C ±20 to ±50ppm (±30ppm standard) 6.000 to 8.000 80 Fundamental<br>Frequency Stability over Temperature Range See Stability vs. Temperature Table 8.000 to 30.000 60 Fundamental<br>Storage Temperature -55 to +125°C<br>Aging per Year ±5ppm max.<br>Load Capacitance CL 8 to 32pF and Series Resonance<br>Shunt Capacitance C0 7.0pF max.<br>Equivalent Series Resistance (ESR) See ESR Table<br>Drive Level 100μW typ. (500μW max.)<br>Insulation Resistance (M Ω ) 500 at 100Vdc ±15Vdc<br>Frequency Stability vs. Temperature<br>Operating Temperature ±20ppm ±30ppm ±50ppm<br>-20 to +70°C<br>-40 to +85°C<br> standard          available<br>Mechanical Dimensions<br>[— 7.0£0.3_ 1.6 3.8 1.6 7.4<br>5.0 +0 .3 it | | [ |<br>4 18 Cot<br>im ———— Pope<br>a<br>Part Numbering Guide<br>Qantek  Nominal Frequency  Vibration  Operating Temperature  Frequency  Frequency<br>Package Load Capacitance Packaging<br>Code (in MHz) Mode Range Tolerance Stability<br>Q = Qantek C7CA = 5x7 4-Pad SMD 7 digits including the  F = AT-Fund S = Series A = -20 to +70°C 2 = ±20ppm 2 = ±20ppm  M = 250pcs Tape&Reel<br>decimal point 12 = 12pF B = -40 to +85°C 3 = ±30ppm 3 = ±30ppm  R = 1000pcs Tape&Reel<br>(f.ie. 12.0000) 18 = 18pF 5 = ±50ppm 5 = ±50ppm<br>20 = 20pF   etc.<br>Example: QC7CA12.0000F12B33R  bold letters = recommended standard specification<br>QANTEK Technology Corporation<br>Phone: +1 877-227-0440 (tollfree)  www.qantek.com<br>Fax:  +1 877-227-0440 (tollfree)  info@qantek.com<br>oa Technology Corporation<br>L<br>E<br>**----- End of picture text -----**<br>


**End of Life** 12/31/2016 **Replaced by QC7A Series** 

**QC7CA Series** 12/31/2016 5x7 4-Pad SMD All Ceramic Crystal Unit **Replaced by QC7A Series** Tape and Reel Dimensions Marking Code Guide Contains frequency, Qantek manufacturing code, production code (month and year) and load capacitance. Month Codes Year Codes Load Capacitance Code in pF January A July G 2010 0 2011 1 2012 2 pF PN Code pF PN Code February B August H 2013 3 2014 4 2015 5 12 A 20 F March C September I 18 B 22 G April D October J 8 C 30 H May E November K 10 D 32 I June F December L 16 E S S _Example:_ First Line: 12.000 _(Frequency)_ Second Line: QA1A _(Qantek - January - 2011 - 12 pF)_ Solder Reflow Profile Environmental Specifications Mechanical Shock MIL-STD-202, Method 213, C Vibration MIL-STD-202, Method 201 & 204 Thermal Cycle MIL-STD, Method 1010, B Gross Leak MIL-STD-202, Method 112 Fine Leak MIL-STD-202, Method 112 All specifications are subject to change without notice. **QANTEK Technology Corporation** Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info@qantek.com