# Oscillator, 50 MHz, CMOS, SMD, 3.2mm x 2.5mm, 3.3 VDC, COM1 Series
**URL**: https://novapart.co/products/COM1305-50.000-EXT-T-TR/oscillator-50-mhz-cmos-smd-32mm-x-25mm-33-vdc-com1
**SKU**: COM1305-50.000-EXT-T-TR
**Manufacturer**: RALTRON
**Category**: Crystals & Oscillators || Oscillators || Standard Oscillators
**Price**: €0.4480
**Stock**: 1000+
**Lead Time**: 78 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 50MHz |
| 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:4165729/)
## **CLOCK OSCILLATOR**
Page 1 of 3
## **COM1305-50.000-EXT-T-TR**
## **ELECTRICAL SPECIFICATION**
|**PARAMETER**|**SYMBOL**|**CONDITIONS**|**VALUE**|**UNIT**|
|---|---|---|---|---|
|Nominal Frequency
~~GO~~|fo
~~GO~~|Ta=25°C
~~GO~~|50.000
~~GO~~|MHz
~~GO~~|
|SupplyVoltage
~~GO~~|VCC
~~GO~~|VCC±10%
~~GO~~|3.3
~~GO~~|VDC
~~GO~~|
|SupplyCurrent,max
~~GO~~|IS
~~GO~~|Ta=25°C
~~GO~~|10
~~GO~~|mA
~~GO~~|
|OperatingTemperature
~~Qf~~|Ta
~~Qf~~|~~Qf~~|-40 ~ +85
~~Qf~~|C
~~Qf~~|
|Storage Temperature|T(stg)|Absolute max|-55 ~ +125|C|
|Frequency Stability
~~ee cee~~|(stg)
f/fo
~~cee~~
~~a~~|Inclusive of 25°C Tolerance and Changes due to
Operating Temperature, Supply Voltage, Load and
first year aging
~~eens~~
|±50
~~eens~~
~~een~~
|ppm
~~eens~~
~~eee~~
|
|Output Voltage
~~ee cee~~|VOL
~~cee~~
~~a~~|Logic “0” Level
~~eens~~
|0.1 x Vcc
~~eens~~
~~een~~
|VDC
~~eens~~
~~eee~~
|
||VOH
~~cee~~
~~a~~|Logic “1” Level
~~eens~~
~~DG~~|0.9 x Vcc
~~eens~~
~~een~~
~~DG~~|VDC
~~eens~~
~~eee~~
~~DG~~|
|Output Load
~~ee cee~~
~~GQ~~|~~cee~~
~~a~~
~~GQ~~|CMOS Output
~~eens~~
~~GQ~~|15
~~eens~~
~~een ~~
~~GQ~~|pF
~~eens~~
~~eee~~
~~GQ~~|
|Enable / Disable Function|E/D|Pin 1: N.C.(Open)or High
~~Cf~~|Pin 3 – Oscillation(Enabled)
~~Cf~~||
|||Pin 1: Low
~~Cf~~|Pin 3 – High Impedance(Disabled)
~~Cf~~||
|Symmetry (DutyCycle)
~~GO~~|DC
~~GO~~|@50% Vdd
~~GO~~|45 ~ 55
~~GO~~|%
~~GO~~|
|Rise Time and Fall Time
~~GG~~|tr / tf
~~GG~~|@10% to 90% Vdd
~~GG~~|5
~~GG~~|ns
~~GG~~|
|Start-upTime,max
~~GO~~
~~Rs~~|ts
~~GO~~
~~Qf~~|VOUT≥ 90% VP-P
~~GO~~
~~Qf~~|5
~~GO~~
~~Qf~~|ms
~~GO~~
~~Qf~~|
|StandbyCurrent
~~Rs~~
~~Rs~~|I(std)
~~Qf~~
~~GO~~|~~Qf~~
~~GO~~|10
~~Qf~~
~~GO~~|μA
~~Qf~~
~~GO~~|
|RMS Phase Jitter
~~Rs~~
~~Rs~~|J
~~Qf~~
~~GO~~|Fj= 10kHz to 20MHz
~~Qf~~
~~GO~~|1
~~Qf~~
~~GO~~|ps
~~Qf~~
~~GO~~|
## **MECHANICAL SPECIFICATION**
NOTE: A capacitor of 0.01 µF between Vcc and Ground is recommended
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**
## **COM1305-50.000-EXT-T-TR**
## **REFLOW PROFILE**
|**Temp.**
**[°C]**
**TP**
**TL**
**TSMAX**
**TSMIN**
**Ramp-up**
**tS Preheat**
—z£|**Temp.**
**[°C]**
**TP**
**TL**
**TSMAX**
**TSMIN**
**Ramp-up**
**tS Preheat**
—z£|**Temp.**
**[°C]**
**TP**
**TL**
**TSMAX**
**TSMIN**
**Ramp-up**
**tS Preheat**
—z£|**Temp.**
**[°C]**
**TP**
**TL**
**TSMAX**
**TSMIN**
**Ramp-up**
**tS Preheat**
—z£|**Temp.**
**[°C]**
**TP**
**TL**
**TSMAX**
**TSMIN**
**Ramp-up**
**tS Preheat**
—z£|**Ramp-down**
**Critical Zone**
**TL to TP**
**tL**
**tP**
*|**Ramp-down**
**Critical Zone**
**TL to TP**
**tL**
**tP**
*|
|---|---|---|---|---|---|---|
||**t[25°C] to Peak**|**t[25°C] to Peak**|||**Time [sec]**||
||||**Reflowprofile**||||
||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-uprate|||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]to Peak Temperature|||t[25°C]to Peak||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 ~~———S—~~
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 3 of 3
## **CLOCK OSCILLATOR**
## **COM1305-50.000-EXT-T-TR**
## **MARKING**
Rx50.00T 3BEyww
x – 1 or 2 digits as Internal Production ID code y – Year code w – Week code
|**YEAR CODE**|**YEAR CODE**|
|---|---|
|**Year**|**Code**|
|2018|8|
|2019|9|
|2020|0|
|2021|1|
|2022|2|
|2023|3|
|2024|4|
|2025|5|
|2026|6|
|2027|7|
|2028|8|
|2029|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
a
2
b||19
s||37
K||
|||20
t||38
L||
|3
c
4
d||21
u||39
M||
|||22
v||40
N||
|5
e
6
f||23
w||41
O||
|||24
x||42
P||
|7
g
8
h||25
y||43
Q||
|||26
z||44
R||
|9
i
10
j||27
A||45
S||
|||28
B||46
T||
|11
k
12
l||29
C||47
U||
|||30
D||48
V||
|13
m
14
n||31
E||49
W||
|||32
F||50
X||
|15
o
16
p||33
G||51
Y||
|||34
H||52
Z||
|17
q
18
r||35
I||||
|||36
J||||
## **APPROVAL**
**RALTRON** DRAWN BY: KJackson, March 12, 2014 APPROVED BY: KJackson, March 12, 2014 REVISION: A, Initial Release B, CP, October18, 2018 Upgraded to the new spec level C, Updated to current spec levels by XLiu, June 5, 2020 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. ~~[lt]~~
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
## Links
- [View this product on Novapart](https://novapart.co/products/COM1305-50.000-EXT-T-TR/oscillator-50-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/com1305-50-000-ext-t-tr/oscillator-50mhz-cmos-3-2mm-x/dp/4165729)
---
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