AS-12.000-18-SMD-TR

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## **LOW PROFILE MICROPROCESSOR CRYSTAL** 

## **AS-12.000-18-SMD-TR** 

## **SPECIFICATIONS** 

|**PARAMETER**|**VALUE**|
|---|---|
|FREQUENCY RANGE|12.000 MHz|
|MODE OF OSCILLATION|FUNDAMENTAL|
|FREQUENCY TOLERANCE AT 25°C|±30 PPM STANDARD|
|FREQUENCY STABILITY OVER TEMPERATURE|±50 PPM STANDARD|
|OPERATING TEMPERATURE RANGE|-20°C TO +70°C STANDARD|
|STORAGE TEMPERATURE RANGE|-40°C TO +90°C|
|AGING|±5PPM PER YEAR MAXIMUM|
|LOADCAPACITANCE|18 pF|
|EQUIVALENT SERIES RESISTANCE|50 |
|SHUNTCAPACITANCE|5 pF MAXIMUM|
|DRIVE LEVEL|100 µW TYPICAL, 500 µW MAXIMUM|
|REFLOW CONDITIONS|260°C ±5°C FOR 10s MAXIMUM|



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## **MECHANICAL SPECIFICATION** 

## **CARRIER TAPE DIMENSIONS** 

**NOTE: REFER TO EIA-481 FOR DIMENSIONS** 

##  **PACKAGING** 

178 mm REEL DIAMETER 24 mm TAPE WIDTH, 4 mm PITCH QUANTITY: 1000 PIECES PER REEL 

IN ACCORDANCE WITH EIA-481 

RALTRON ELECTRONICS  10400 N.W . 33[r d  ] STREET  Miami, Florida 33172  U.S.A. Telephone: 305-593-6033   Fax: 305-594-3973    e-mail: sales@raltron.com    web site: http://www.raltron.com 

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## **LOW PROFILE MICROPROCESSOR CRYSTAL** 

## **AS-12.000-18-SMD-TR** 

##  **REFLOW PROFILE** 

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||||||||
|---|---|---|---|---|---|---|
|tP|
|TP|
|Critical Zone|
|Ramp-up|TL to TP|
|TL|
|tL|
|TSMAX|
|Temp.|
|[°C]|
|Ramp-down|
|TSMIN|
|tS Preheat|
|r|i|
|Time [sec]|
|t[25°C] to Peak|
|Reflow profile|
|Temperature Min Preheat|TSMIN|150°C|
|Temperature Max Preheat|TSMAX|200°C|
|Time|(TSMIN to TSMAX)|tS|60-180|sec.|
|Temperature|TL|217°C|
|Peak Temperature|TP|260°C|
|Ramp-up rate|RUP|3°C/sec max.|
|Ramp-down rate|RDOWN|6°C/sec max.|
|Time within 5°C|of Peak Temperature|tP|10|sec.|
|Time|t[25°C]|to Peak Temperature|t[25°C]|to Peak|480|sec.|
|Time|tL|60-150|sec.|

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##  **ENVIRONMENTAL** 

**PARAMETER VALUE** MOISTURE SENSITIVITY LEVEL 1 RoHS-2 6/6 COMPLIANT & LEAD FREE REACH SVHC COMPLIANT HALOGEN-FREE COMPLIANT Compliant ESD CLASSIFICATION LEVEL N/A TERMINATION FINISH Sn ~~—— =~~ = 

RALTRON ELECTRONICS  10400 N.W . 33[r d  ] STREET  Miami, Florida 33172  U.S.A. Telephone: 305-593-6033   Fax: 305-594-3973    e-mail: sales@raltron.com    web site: http://www.raltron.com 

**LOW PROFILE MICROPROCESSOR CRYSTAL** 

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## **AS-12.000-18-SMD-TR** 

##  **MARKING** 

R120xxByw 

x – Internal Production ID code y – Year code w – Week code 

|**YEARCODE**|**YEARCODE**|
|---|---|
|**Year **|**Code**|
|2011|1|
|2012|2|
|2013|3|
|2014|4|
|2015|5|
|2016|6|
|2017|7|
|2018|8|
|2019|9|



|**ALPHAWEEKCODE TABLE**|**ALPHAWEEKCODE TABLE**|**ALPHAWEEKCODE TABLE**|**ALPHAWEEKCODE TABLE**|**ALPHAWEEKCODE TABLE**|**ALPHAWEEKCODE TABLE**|
|---|---|---|---|---|---|
|**Week **|**Code**|**Week **|**Code**|**Week **|**Code**|
|1<br>a<br>2<br>b<br>3<br>c<br>4<br>d<br>5<br>e<br>6<br>f<br>7<br>g<br>8<br>h<br>9<br>i<br>10<br>j<br>11<br>k<br>12<br>l<br>13<br>m<br>14<br>n<br>15<br>o<br>16<br>p<br>17<br>q<br>18<br>r||19<br>s<br>20<br>t<br>21<br>u<br>22<br>v<br>23<br>w<br>24<br>x<br>25<br>y<br>26<br>z<br>27<br>A<br>28<br>B<br>29<br>C<br>30<br>D<br>31<br>E<br>32<br>F<br>33<br>G<br>34<br>H<br>35<br>I<br>36<br>J||37<br>K<br>38<br>L<br>39<br>M<br>40<br>N<br>41<br>O<br>42<br>P<br>43<br>Q<br>44<br>R<br>45<br>S<br>46<br>T<br>47<br>U<br>48<br>V<br>49<br>W<br>50<br>X<br>51<br>Y<br>52<br>Z||



##  **APPROVAL** 

DRAWN BY: KJackson, August 5, 2014 APPROVED BY: KJackson, August 5, 2014 REVISION: A, Initial Release ~~[——=]~~ 

RALTRON ELECTRONICS  10400 N.W . 33[r d  ] STREET  Miami, Florida 33172  U.S.A. Telephone: 305-593-6033   Fax: 305-594-3973    e-mail: sales@raltron.com    web site: http://www.raltron.com