# Oscillator, 32.768 kHz, CMOS, SMD, 2.5mm x 2mm, 3.3 VDC, CO2520 Series

![Product image](https://novapart.co/image/farnell:4165787RL/)

**URL**: https://novapart.co/products/CO2520-0.032768-3.3-50-X-TR/oscillator-32768-khz-cmos-smd-25mm-x-2mm-33-vdc
**SKU**: CO2520-0.032768-3.3-50-X-TR
**Manufacturer**: RALTRON
**Category**: Crystals & Oscillators || Oscillators || Standard Oscillators
**Price**: €0.6160
**Stock**: 1000+
**Lead Time**: 78 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 32.768kHz |
| Product Range | CO2520 Series |
| Supply Voltage Nom | 3.3VDC |
| Frequency Stability + / - | 50ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Case / Package | SMD, 2.5mm x 2mm |
| Oscillator Output Compatibility | CMOS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4165787RL/)

Page 1 of 3 

## **CLOCK OSCILLATOR** 

## **CO2520-0.032768-3.3-50-X-TR** 

##  **ELECTRICAL SPECIFICATION** 

|**PARAMETER**<br>~~DP~~<br>~~PD~~|**SYMBO**<br>**L**<br><br>~~ee~~|**SYMBO**<br>**CONDITIONS**<br><br>~~ee~~|**VALUE**<br>|**UNIT**<br>|
|---|---|---|---|---|
|Nominal Frequency<br>~~DPO——s—i—s—‘“‘<‘i~~<br>~~PDO———is~~<br>~~DP~~|fo<br>~~O——s—i—s—‘“‘<‘i~~<br>~~ee~~|Ta=25°C<br>~~O——s—i—s—‘“‘<‘i~~<br>~~ee~~|0.032768<br>~~O——s—i—s—‘“‘<‘i~~|MHz<br>~~O——s—i—s—‘“‘<‘i~~|
|SupplyVoltage<br>~~DP~~<br>~~PDO———is~~<br>~~DP~~<br>~~—sii~~<br>~~DP~~|VCC<br><br>~~ee~~<br>|±5%<br><br>~~ee~~<br>|3.3<br><br>|VDC<br><br>|
|SupplyCurrent,max<br>~~PDO———is~~<br>~~DP~~<br>~~—sii~~<br>~~DP~~|IS<br>~~ee~~<br>|Ta=25°C<br>~~ee~~<br>|200<br>|µA<br>|
|OperatingTemperature Range<br>~~O———is~~<br>~~DP~~<br>~~—sii~~<br>~~DPO—‘i—‘i~~|Ta<br>~~O—‘i—‘i~~|---<br>~~O—‘i—‘i~~|-40 ~ +85<br>~~O—‘i—‘i~~|C<br>~~O—‘i—‘i~~|
|Storage Temperature Range<br>~~—sii~~<br>~~DP~~<br>~~DP~~|T(stg)<br><br>~~es~~<br>|Absolute max<br><br>~~esee~~|-55 ~ +125<br>|C<br>|
|Frequency Stability<br>~~ee~~<br>~~DPO—————CiE~~<br>~~DP~~|f/fo<br>~~ee~~<br>~~es~~<br>~~iE~~<br>|Inclusive of 25°C Tolerance and Changes due to<br>Operating Temperature, Supply Voltage, Load, Shock<br>and Vibration<br>~~ee~~<br>~~esee~~<br>|±50<br>~~ee~~<br>|ppm<br>~~ee~~<br>|
|FrequencyTolerance<br>~~DPO—————CiE~~<br>~~DP~~|~~es~~<br>~~iE~~<br>|Refto Center Frequency<br>~~esee~~<br>|±20<br>|ppm<br>|
|Aging<br>~~DPO—————CiE~~<br>~~DPO————iYE~~<br>~~a~~<br>~~Ger~~|~~es~~<br>~~iE~~<br>~~O————iYE~~<br>~~Ger~~|First Year, @25±5˚C<br>~~es ee~~<br>~~O————iYE~~<br>~~Ger~~|±3<br>~~O————iYE~~|ppm<br>~~O————iYE~~|
|Output Voltage<br>~~O—————C iE~~<br>~~DP~~<br>~~a~~<br>~~Ger~~<br>~~ee~~<br>~~DPO————i~~|VOL<br>~~iE~~<br><br>~~Ger~~<br>~~ee~~|Logic “0” Level, max<br><br>~~Ger~~<br>~~eeee~~|0.4<br><br>~~ee~~|VDC<br><br>~~ee~~|
||VOH<br>~~Ger~~<br>~~ee~~|Logic “1” Level, min<br>~~Ger~~<br>~~eeee~~|2.9<br>~~ee~~|VDC<br>~~ee~~|
|OutputLoad<br>~~a~~<br>~~Ger~~<br>~~ee~~<br>~~DPO————i~~|---<br>~~Ger~~<br>~~ee~~|CMOS Output<br>~~Ger~~<br>~~eeee~~|15<br>~~ee~~|pF<br>~~ee~~|
|Enable / Disable Function<br>~~ee~~<br>~~DPO———— i~~<br>~~eee~~<br>~~DPO—~~|E/D<br>~~ee~~<br>~~eee~~|Pin 1: N.C. (Open) or High, Pin 3 – Oscillation<br>(Enabled)<br>Pin 1: Low,Pin3– High Impedance (Disabled)<br>~~eeee~~<br>~~eee~~|2.64<br>~~ee~~<br>~~eee~~|V<br>~~ee~~<br>~~eee~~|
||||0.66<br>~~eee~~|V<br>~~eee~~|
|Symmetry (Duty Cycle)<br>~~DPO—~~|DC|@50%Vdd|40~55|%|
|RiseTime andFall Time,max<br>~~DPO—~~<br>~~Pe~~|tr/ tf<br>~~Pe~~|@10% to 90%Vdd<br>~~Pe~~|30<br>~~Pe~~|ns<br>~~Pe~~|



##  **MECHANICAL SPECIFICATION** 

**==> picture [191 x 146] intentionally omitted <==**

**----- Start of picture text -----**<br>
PIN  FUNCTIONS<br>MARKING   1-ENABLE/DISABLE<br>AREA   2-GND<br>  3-OUTPUT<br>re !   4-VCC<br>LAND PATTERN<br>BOTTOM VIEW<br>**----- End of picture text -----**<br>


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

Page 2 of 3 

## **CLOCK OSCILLATOR** 

## **CO2520-0.032768-3.3-50-X-TR** 

NOTE: A capacitor of 0.01 µF between Vcc and Ground is recommended 

##  **REFLOW PROFILE** 

**==> picture [361 x 156] 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]  Ramp-down<br>TSMIN<br>tS Preheat<br>**----- End of picture text -----**<br>


**t[25°C] to Peak** 

**Time [sec]** 

## **Reflow profile** 

|**Reflow profile**|**Reflow profile**|**Reflow profile**|
|---|---|---|
|Temperature Min Preheat|TSMIN|150°C|
|TemperatureMax 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/sec max.|
|Ramp-down rate|RDOWN|6°C/sec max.|
|Time within 5°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 COMPLIANT REACH-SVHC COMPLIANT HALOGEN-FREE COMPLIANT TERMINATION FINISH Au ~~———~~ 

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

## **CLOCK OSCILLATOR** 

Page 3 of 3 

## **CO2520-0.032768-3.3-50-X-TR** 

## • **MARKING** 

Rx0.03 • 33Byw 

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

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



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



• **APPROVAL RALTRON** DRAWN BY: LP, February 16, 2018 APPROVED BY: JI, February 16, 2018 REVISION: A, Initial Release 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[rd] Street ▪ Miami, Florida 33172 ▪ U.S.A. Telephone:  +1-305-593-6033   ▪   Fax: +1-305-594-3973   ▪   e-mail: sales@raltron.com   ▪   web: http://www.raltron.com 



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- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/raltron/co2520-0-032768-3-3-50-x-tr/oscillator-32-768khz-cmos-2-5mm/dp/4165787RL)
---

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