Tantalum Through-Hole Capacitors – Hermetically Sealed
T550 Axial Polymer Hermetic Seal (PHS) 105ºC and DLA Series
Construction
Wire Lead (−)
(100% Sn / SnPb)
Brass Can
Tantalum Pellet
(See Detail for Layers)
Hermetic Seal System
(Ring)
Hermetic Seal System
(Glass Seal)
Wire Lead (+)
(100% Sn / SnPb)
Tantalum Wire
Anode Tube
Carbon
(Third Layer)
Ta
2
O
5
Dielectric
(First Layer)
Wire Lead (−)
(100% Sn / SnPb)
Insulation
Sleeve
Wire Lead (+)
(100% Sn / SnPb)
Anode Tube
Hermetic Seal System
(Glass Seal and Ring)
Detailed Cross Section
Solder
Solder
Brass Can
Tantalum Wire
Silver Paint
(Fourth Layer)
Polymer
(Second Layer)
Tantalum
Solder
Capacitor Marking
B Case
Series
KEMET ID
Capacitance
Tolerance,
Rated Voltage
(VDC)
Rated Capacitance
Polarity Marks
KT550
+
100µF
10% 60V +
1202AAAA
4 Digit Date Code, Lot Code
Date Code
Year
3 Digit
5 = 2015
6 = 2016
7 = 2017
8 = 2018
9 = 2019
4 Digit
15 = 2015
16 = 2016
17 = 2017
18 = 2018
19 = 2019
Week
01 = 1
st
week of the year to
52 = 52
nd
week of the year
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2059_T550 • 1/12/2018
9
KEMET [ KEMET CORPORATION ]
