Datasheet

10© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard T2004_T490 • 8/20/2018
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
10
Tantalum Surface Mount Capacitors – Standard Tantalum
T490 Commercial Grade MnO
2
Construction
Leadframe
(− Cathode)
Leadframe
(+ Anode)
Tantalum Wire
Molded Epoxy
Case
Molded Epoxy
Case
Weld
(to attach wire)
Silver Adhesive
Washer
Polarity Stripe (+)
Detailed Cross Section
Tantalum Wire
Tantalum
Ta
2
O
5
Dielectric
(First Layer)
Carbon
(Third Layer)
Silver Paint
(Fourth Layer)
Washer
MnO
2
(Second Layer)
Capacitor Marking
KEMET
Industrial
Grade MnO
2
Polarity
Indicator (+)
Rated
Voltage
Picofarad
Code
KEMET
ID
Date
Code*
* 230 = 30
th
week of 2012
Date Code *
1
st
digit=lastnumberofyear 2=2012
3=2013
4=2014
5=2015
6=2016
7=2017
2
nd
and 3
rd
digit=weekofthe
year
01=1
st
week of the year to
52=52
nd
week of the year