RT4115-32.768-12.5-TR

Page 1 of 3 

## **SURFACE MOUNT TUNING FORK CRYSTAL** 

## **SERIES RT4115** 

##  **FEATURES** 

- SUITABLE FOR TIME OF DAY CLOCKS 

- IDEAL FOR HIGH DENSITY PACKAGING APPLICATION 

- SMALL AND COMPACT PACKAGE 

##  **SPECIFICATIONS** 

|**PARAMETER**|**VALUE**|
|---|---|
|NOMINAL FREQUENCY|32.768 kHz|
|MODE OF OSCILLATION|FUNDAMENTAL|
|FREQUENCY TOLERANCE AT 25°C|±5,±10,±20 PPM|
|FREQUENCY STABILITY OVER<br>TEMPERATURECOEFFICIENT|-0.04 PPM / °C2|
|OPERATING TEMPERATURE RANGE|-40°C TO +85°C|
|STORAGE TEMPERATURE RANGE|-55°C TO +125°C|
|AGING|±3PPM PER YEAR MAX|
|LOADCAPACITANCE|6pF,7pF, 9pF,12.5 pF*|
|EQUIVALENT SERIES RESISTANCE|65kMAX|
|SHUNTCAPACITANCE|1.1pF TYP|
|DRIVE LEVEL|0.5 µW MAX|
|SHOCK RESISTANCE|±5 PPM MAX 75 cm DROP TEST ONTO A<br>HARD WOODSURFACE|
|REFLOWCONDITIONS|260°C±5°CFOR 10sMAX|



***Note: Other values available** 

##  **PART NUMBERING SYSTEM** 

|**TYPE**|**-**|**FREQUENCY**<br>**kHz**|**-**|**LOAD**<br>**CAPACITANCE**<br>**pF **|**-**|**TOLERANCE**<br>**PPM**|**-**|**TAPE & REEL**|
|---|---|---|---|---|---|---|---|---|
|RT4115|-|32.768|-|6 , 7 ,9 , 12.5|-|5, 10 or 20|**-**|TR|



## **EXAMPLE: RT4115-32.768-12.5-20-TR** 

Surface Mount Tuning Fork Crystal, 4.1 mm x 1.5 mm package, 32.768 kHz, 12.5 pF load, ±20 ppm Tolerance, Operating Temperature from -40°C to +85°C, Tape and Reel packaging 

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 

Page 2 of 3 

## **SURFACE MOUNT TUNING FORK CRYSTAL** 

## **SERIES RT4115** 

##  **MECHANICAL SPECIFICATION** 

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

##  **PACKAGING** 

180 mm REEL DIAMETER 12 mm TAPE WIDTH, 4mm PITCH QUANTITY: 3000 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 

## **SURFACE MOUNT TUNING FORK CRYSTAL** 

Page 3 of 3 

## **SERIES RT4115** 

##  **REFLOW PROFILE** 

**==> picture [370 x 215] intentionally omitted <==**

**----- Start of picture text -----**<br>
tP<br>TP<br>Critical Zone<br>Ramp-up  TL to TP<br>TL<br>tL<br>TSMAX<br>Temp.<br>[°C]<br>Ramp-down<br>TSMIN<br>tS Preheat<br>—z *<br>Time [sec]<br>**----- End of picture text -----**<br>


|**Reflow profile (Reference IPC/JEDEC J-STD-020)**|**Reflow profile (Reference IPC/JEDEC J-STD-020)**|**Reflow profile (Reference IPC/JEDEC J-STD-020)**|
|---|---|---|
|TemperatureMin Preheat|TSMIN|150°C|
|TemperatureMax Preheat|TSMAX|200°C|
|Time (TSMINtoTSMAX)|tS|60-180 sec.|
|Temperature|TL|217°C|
|Peak Temperature|TP|260°C|
|Ramp-uprate|RUP|3°C/secmax.|
|Ramp-down rate|RDOWN|6°C/secmax.|
|Timewithin5°C of Peak Temperature|tP|10 sec.|
|Time t[25°C] toPeak Temperature|t[25°C] toPeak|480 sec.|
|Time|tL|60-150 sec.|



##  **ENVIRONMENTAL** 

|**PARAMETER**|**VALUE **|
|---|---|
|MOISTURE SENSITIVITY LEVEL|1|
|RoHS|6/6 COMPLIANT & LEAD FREE|
|REACH SVHC|COMPLIANT|
|HALOGEN-FREE|COMPLIANT|
|ESD CLASSIFICATION LEVEL|N/A|
|TERMINATION FINISH|Au|
|UNIT WEIGHT (GRAMS)|0.051|



February 2016 

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