Tantalum Through-Hole Capacitors – Hermetically Sealed
T550 Axial Polymer Hermetic Seal (PHS) 105ºC and DLA Series
Construction
Detailed Cross Section
Wire Lead (+)
Solder
(100% Sn / SnPb)
Wire Lead (−)
(100% Sn / SnPb)
Anode Tube
Hermetic Seal System
(Glass Seal and Ring)
Brass Can
Insulation
Sleeve
Tantalum Pellet
(See Detail for Layers)
Solder
Hermetic Seal System
(Ring)
Brass Can
Tantalum Wire
Hermetic Seal System
(Glass Seal)
Silver Paint
(Fourth Layer)
Wire Lead (+)
(100% Sn / SnPb)
Carbon
(Third Layer)
Polymer
(Second Layer)
Ta2O5 Dielectric
(First Layer)
Tantalum Wire
Tantalum
Wire Lead (−)
(100% Sn / SnPb)
Anode Tube
Solder
Capacitor Marking
B Case
Series
Rated Capacitance
KT550
100µF
+
KEMET ID
Polarity Marks
10% 60V +
1202AAAA
Capacitance
Tolerance,
Rated Voltage
(VDC)
4 Digit Date Code, Lot Code
Date Code
3 Digit
4 Digit
5 = 2015
6 = 2016
7 = 2017
8 = 2018
9 = 2019
15 = 2015
16 = 2016
17 = 2017
18 = 2018
19 = 2019
Year
01 = 1st week of the year to
52 = 52nd week of the year
Week
9
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2059_T550 • 1/12/2018
KEMET [ KEMET CORPORATION ]
