R2520-18.432-10-3030-EXT

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## **SURFACE MOUNT MICROPROCESSOR CRYSTAL** 

## **SERIES R2520** 

##  **FEATURES** 

- COMPACT DESIGN 

- HIGH ACCURACY 

- EXCELLENT FOR HIGH DENSITY SURFACE MOUNTING 

##  **SPECIFICATIONS** 

|**PARAMETER**|**VALUE**|
|---|---|
|FREQUENCY RANGE|16.00 MHz to 55.00 MHz|
|MODE OF OSCILLATION|FUNDAMENTAL ONLY|
|FREQUENCY TOLERANCE AT 25°C|±50 PPM MAXIMUM<br>(±10,AND±20PPM AVAILABLE)|
|FREQUENCY STABILITY OVER TEMPERATURE|±50 PPM MAXIMUM<br>(±10,AND±20PPM AVAILABLE)<br>~~1~~|
|OPERATING TEMPERATURE RANGE|-10°C TO +60°C STANDARD~~1~~<br>-40°CTO +85°CEXTENDED1|
|STORAGE TEMPERATURE RANGE|-40°C TO +85°C|
|AGING|±3PPM PER YEAR MAXIMUM|
|LOADCAPACITANCE|8 pFto 32pFORSERIES|
|EQUIVALENTSERIESRESISTANCE|SEE TABLE 1|
|SHUNTCAPACITANCE|7pF MAXIMUM|
|DRIVE LEVEL|500 µW MAXIMUM|
|SHOCK RESISTANCE|±5 PPM MAXIMUM 75 cm DROP TEST IN<br>3AXES ONTOA HARDSURFACE|
|REFLOWCONDITIONS|260°C±5°CFOR 10sMAXIMUM|



- **1 NOTE: NOT ALL STABILITIES ARE AVAILABLE FOR ALL OPERATING TEMPERATURE RANGES. CONTACT FACTORY FOR AVAILABILITY.** 

|**TABLE 1**|**TABLE 1**|**TABLE 1**|
|---|---|---|
|**FREQUENCY**<br>**(MHz)**|**MODE**|**MAX ESR**<br> **(OHMS)**|
|16.000TO18.999|FUND|90|
|19.000 TO 24.999|FUND|80|
|25.000 TO 31.999|FUND|60|
|32.000 TO 50.000|FUND|50|



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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## **SURFACE MOUNT MICROPROCESSOR CRYSTAL** 

## **SERIES R2520** 

##  **PART NUMBERING SYSTEM** 

**TOLERANCE/STABLITY TYPE - FREQUENCY - LOAD CAPACITANCE - MODE - (PPM/PPM)** Blank FOR MAXIMUM R2520 - IN MHz - 10 TO 32 pF FOR PARALLEL - Blank FOR < 24.576 MHz **-** PPMPPM S FOR SERIES F FOR ≥ 24.576 MHz ~~Pie~~ Example: 1020, 2050 **EXTENDED TAPE & - TEMPERATURE - REEL -** Blank FOR STANDARD **-** TR ~~co~~ EXT FOR EXTENDED 

## **EXAMPLE: R2520-20.000-10-2050-TR** 

Surface Mount Crystal, 2.5 mm x 2.0 mm package, 20.000 MHz, 10 pF load, ±20 ppm Tolerance, ±20 ppm Stability over the Operating Temperature from -10°C to +60°C, Tape and Reel packaging 

##  **MECHANICAL SPECIFICATION** 

##  **CARRIER TAPE DIMENSIONS** 

**==> picture [248 x 188] intentionally omitted <==**

**----- Start of picture text -----**<br>
2.5 ± 0.2<br>TOP VIEW<br>.098 ± .008<br>GND<br>MARKING<br>AREA<br>GND<br>i<br>LAND PATTERN<br>0.8 1.0<br>.031 .040<br>1.8<br>| .070<br>8<br>0.2 0<br> .0<br> ± ±<br>.0 9<br>AX X 2 .07<br> M<br>500. .020 MA<br>65. 6.02 0.8 31.0<br>1.4 55<br>.0<br>**----- End of picture text -----**<br>


**==> picture [215 x 102] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.5 DIA 2.0 ± 0.05 4.0 ± 0.1<br>.06 DIA .079 ± .002 .16 ± .004<br>‘seat] }<br>8<br>**----- End of picture text -----**<br>


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

##  **PACKAGING** 

178 mm REEL DIAMETER 8 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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## **SURFACE MOUNT MICROPROCESSOR CRYSTAL** 

## **SERIES R2520** 

##  **REFLOW PROFILE** 

**==> picture [370 x 195] 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>r A<br>**----- End of picture text -----**<br>


**==> picture [60 x 8] intentionally omitted <==**

**----- Start of picture text -----**<br>
t[25°C] to Peak<br>**----- End of picture text -----**<br>


## **Time [sec]** 

|**Reflow profile**|**Reflow profile**|**Reflow profile**|
|---|---|---|
|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-2|6/6 COMPLIANT & LEAD FREE|
|REACHSVHC|COMPLIANT|
|HALOGEN-FREE|COMPLIANT|
|ESDCLASSIFICATION LEVEL|N/A|
|TERMINATION FINISH|Au|



JULY 2013 

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