# Oscillator, 12 MHz, CMOS, SMD, 3.2mm x 2.5mm, 3.3 VDC, COM1 Series

![Product image](https://novapart.co/image/farnell:4165766/)

**URL**: https://novapart.co/products/COM1305-12.000-EXT-T-TR/oscillator-12-mhz-cmos-smd-32mm-x-25mm-33-vdc-com1
**SKU**: COM1305-12.000-EXT-T-TR
**Manufacturer**: RALTRON
**Category**: Crystals & Oscillators || Oscillators || Standard Oscillators
**Price**: €0.7540
**Stock**: 1000+
**Lead Time**: 92 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 12MHz |
| Product Range | COM1 Series |
| Supply Voltage Nom | 3.3VDC |
| Frequency Stability + / - | 50ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Case / Package | SMD, 3.2mm x 2.5mm |
| Oscillator Output Compatibility | CMOS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4165766/)

Page 1 of 3 

## **CLOCK OSCILLATOR** 

## **COM1305-12.000-EXT-T-TR** 

##  **ELECTRICAL SPECIFICATION** 

|**PARAMETER**|**SYMBOL**|**CONDITIONS**|**VALUE**|**UNIT**|
|---|---|---|---|---|
|Nominal Frequency<br>~~Rn~~|fo<br>~~GQ~~|Ta=25°C<br>~~GQ~~|12.000<br>~~GQ~~|MHz<br>~~GQ~~|
|Supplyvoltage range<br>~~Rn~~|VCC<br>~~GQ~~|---<br>~~GQ~~|3.3V<br>~~GQ~~|VDC<br>~~GQ~~|
|Supply current, max<br>~~Rn~~<br>~~Rs~~|IS<br>~~GQ~~<br>~~QQ~~|Ta=25°C<br>~~GQ~~<br>~~QQ~~|10<br>~~GQ~~<br>~~QQ~~|mA<br>~~GQ~~<br>~~QQ~~|
|Operatingtemperature<br>~~Rs~~|Ta<br>~~QQ~~|---<br>~~QQ~~|-40 ~ +85<br>~~QQ~~|C<br>~~QQ~~|
|Storage temperature<br>~~Rs~~|T(stg)<br>~~QQ~~|Absolute max<br>~~QQ~~|-55 ~ +125<br>~~QQ~~|C<br>~~QQ~~|
|Frequency Tolerance|f/fo|Inclusive of 25°C Tolerance and Changes due to<br>Operating Temperature, Supply Voltage, Load,<br>Aging,Shock and Vibration|±50|ppm|
|Output Voltage<br>~~Rn~~|VOL|Logic “0” Level|0.1 x Vcc|VDC|
||VOH<br>~~QQ~~|Logic “1” Level<br>~~QQ~~|0.9 x Vcc<br>~~QQ~~|VDC<br>~~QQ~~|
|Output Load<br>~~Rn~~|---<br>~~QQ~~|CMOS Output<br>~~QQ~~|15<br>~~QQ~~|pF<br>~~QQ~~|
|Enable / Disable Function<br>~~Rn~~<br>~~Rn~~|E/D<br>~~QQ~~<br>~~QQ~~|Pin 1: N.C. (Open) or High<br>~~QQ~~|Pin 3 – Oscillation<br>(Enabled)<br>~~QQ~~||
|||Pin 1: Low<br>~~QQ~~|Pin 3 – High Impedance<br>(Disabled)<br>~~QQ~~||
|Symmetry (Duty Cycle)<br>~~Rn~~|DC<br>~~QQ~~|@50%Vdd<br>~~QQ~~|45 to 55<br>~~QQ~~|%<br>~~QQ~~|
|Rise Time and Fall Time<br>~~Rn~~<br>~~GQ~~|tr / tf<br>~~QQ~~<br>~~GQ~~|@10% to 90% Vdd<br>~~QQ~~<br>~~GQ~~|20<br>~~QQ~~<br>~~GQ~~|ns<br>~~QQ~~<br>~~GQ~~|
|Stand-byCurrent<br>~~Rn~~|I(std)<br>~~GQ~~|---<br>~~GQ~~|10<br>~~GQ~~|µA<br>~~GQ~~|
|Start uptime,Max<br>~~Rn~~|ts<br>~~GQ~~|VOUT≥ 90% VP-P<br>~~GQ~~|10<br>~~GQ~~|ms<br>~~GQ~~|



##  **MECHANICAL SPECIFICATION** 

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

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: http://www.raltron.com 

Page 2 of 3 

## **CLOCK OSCILLATOR** 

## **COM1305-12.000-EXT-T-TR** 

##  **REFLOW PROFILE** 

**==> picture [361 x 220] 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>,<br>Time [sec]<br>t[25°C] to Peak<br>**----- End of picture text -----**<br>


|**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.|



|**PARAMETER**<br>~~——~~|**VALUE**<br>~~——~~|
|---|---|
|MOISTURESENSITIVITY LEVEL<br>~~——~~|1<br>~~——~~|
|RoHS2<br>~~——~~|6/6 COMPLIANT&LEAD FREE<br>~~——~~|
|REACH-SVHC<br>~~——~~|COMPLIANT<br>~~——~~|
|HALOGEN-FREE<br>~~——~~|COMPLIANT<br>~~——~~|
|TERMINATION FINISH<br>~~——~~|Au<br>~~——~~|



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: http://www.raltron.com 

## **CLOCK OSCILLATOR** 

Page 3 of 3 

## **COM1305-12.000-EXT-T-TR** 

##  **MARKING** 

Rx12.0  3BEyw 

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|



|**ALPHA WEEKCODE TABLE**|**ALPHA WEEKCODE TABLE**|**ALPHA WEEKCODE TABLE**|**ALPHA WEEKCODE TABLE**|**ALPHA WEEKCODE TABLE**|**ALPHA WEEKCODE 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: KJackson, January 27, 2016 APPROVED BY: KJackson, January 27, 2016 ~~—~~ 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: http://www.raltron.com 



## Links

- [View this product on Novapart](https://novapart.co/products/COM1305-12.000-EXT-T-TR/oscillator-12-mhz-cmos-smd-32mm-x-25mm-33-vdc-com1)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/raltron/com1305-12-000-ext-t-tr/oscillator-12mhz-cmos-3-2mm-x/dp/4165766)
---

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