RT2012-32.768-9-20-EXT-TR

**TUNING FORK CRYSTAL** 

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## **RT2012-32.768-9-20-EXT-TR** 

## • **SPECIFICATIONS** 

|**PARAMETER**|**VALUE**|
|---|---|
|NOMINAL FREQUENCY|32.768 kHz|
|MODE OF OSCILLATION|Fundamental|
|FREQUENCY TOLERANCE AT 25°C|±20ppm max|
|FREQUENCY STABILITY OVER TEMPERATURE|-0.03 ±0.01ppm/°C2|
|AGING|±3ppmpearyear max|
|LOAD CAPACITANCE|9pF|
|EQUIVALENT SERIES RESISTANCE|90 kΩ max|
|SHUNT CAPACITANCE|1.5pF max|
|DRIVE LEVEL|0.5µW typ|
|OPERATING TEMPERATURE RANGE|-40°C to +85°C|
|STORAGE TEMPERATURE RANGE|-55°C to +125°C|
|SHOCK  RESISTANCE|±5 ppm max 75 cm drop test in<br>3 axes onto ahardwood surface|
|REFLOW CONDITIONS|260°C ±5°C for 10s max|



## ◼ **MECHANICAL SPECIFICATION** 

RALTRON ELECTRONICS ▪ 10400 N.W. 33[r d  ] STREET ▪ Miami, Florida 33172 ▪ U.S.A. Telephone: +1-305-593-6033 ▪  Fax: +1-305-594-3973  ▪  e-mail: sales@raltron.com  ▪  web site: http://www.raltron.com 

**TUNING FORK CRYSTAL** 

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## **RT2012-32.768-9-20-EXT-TR** 

## ◼ **REFLOW PROFILE** 

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



◼ **ENVIRONMENTAL** 

**PARAMETER VALUE** MOISTURE SENSITIVITY LEVEL 1 RoHS Compliant REACH SVHC Compliant HALOGEN-FREE Compliant Compliant ~~ea~~ ESD CLASSIFICATION LEVEL N/A 

RALTRON ELECTRONICS ▪ 10400 N.W. 33[r d  ] STREET ▪ Miami, Florida 33172 ▪ U.S.A. Telephone: +1-305-593-6033 ▪  Fax: +1-305-594-3973  ▪  e-mail: sales@raltron.com  ▪  web site: http://www.raltron.com 

**TUNING FORK CRYSTAL** 

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## **RT2012-32.768-9-20-EXT-TR** 

## ◼ **MARKING** 

Marking will be a single line of text from 4 to 8 digits. 

Marking characters are per production line and will be specific at the shipment level 

## ◼ **APPROVAL** 

|**APPROVAL**||
|---|---|
|DRAWN BY:|LP, August 09, 2016|
|APPROVED BY:|CP, August 09, 2016|
|REVISION:|A, Initial Release<br>B, Updated to current spec levels KJ 10/12/18<br>C, Updated to current spec levels XL 3/2/20<br>D,Updated to current spec levels AR 11/4/21|



Raltron Electronics / RAMI Technology USA, LLC, including its affiliates, employees, agents and other persons acting on  its behalf (collectively Raltron/RAMI Tech), disclaim any and all liability for any errors or inaccuracies contained in this data sheet.  While Raltron/RAMI Tech has made every reasonable effort ensure the accuracy of all product information, specifications and data contained herein, Raltron/RAMI Tech does not guarantee that the information is accurate, reliable or current.   The product information is provided only for reference purposes only and is subject to change, correction or revision, at any time without notice.  Raltron/RAMI Tech does not assume any liability arising out of an application or use of any product described herein and disclaims any warranties expressed or implied.  The user of products in such applications shall assume all risks of such use and will agree to hold Raltron/RAMI Tech, harmless against all damages. 

Copyright © 2016, Raltron Electronics / RAMI Technology USA, LLC.  All rights reserved. No part of this document may be reproduced in any form without the prior written permission of Raltron Electronics / RAMI Technology USA, LLC . 

RALTRON ELECTRONICS ▪ 10400 N.W. 33[r d  ] STREET ▪ Miami, Florida 33172 ▪ U.S.A. Telephone: +1-305-593-6033 ▪  Fax: +1-305-594-3973  ▪  e-mail: sales@raltron.com  ▪  web site: http://www.raltron.com