Tantalum Surface Mount Capacitors High Reliability
T493 Commercial Off-The-Shelf (COTS)
MnO (CWR11 Style)
2
Overview
The KEMET T493 is designed for the commercial off- The KEMET patented simulated breakdown screening (SBDS)
the-shelf (COTS) requirements of military and aerospace is a nondestructive testing technique that simulates the
applications. The T493 is a surface mount product, breakdown voltage (BDV) of a capacitor, without the damage
offering various lead-frame plating options, Weibull to its dielectric or to the general population of capacitors.
grading options, surge current testing, F-Tech (an improved This screening identifies hidden defects in the dielectric,
anode manufacturing process) and simulatedbBreakdown
providing the highest level of dielectric testing. SBDS is
voltage (SBDV) screening options to improve long term
based on the simulation of breakdown voltage (BDV), the
reliability. Standard, low, and ultra-low ESR options are
ultimate test of the dielectric in a capacitor.
available. All lots of T493 are conditioned with MIL-
PRF-55365 Group A testing. This series is also approved
Low BDV indicates defects in the dielectric, and therefore, a
for DLA drawing 07016 (please see part number list
higher probability of failure in the field. High BDV indicates
specific to this drawing).
a stronger dielectric and high-reliability performance in the
field.
KEMETs F-Tech eliminates hidden defects in the dielectric
This new screening method allows KEMET to identify the
which continue to grow in the field, causing capacitor
breakdown voltage of each individual capacitor and provide
failures. Based on the fundamental understanding of
only the strongest capacitors from each lot.
degradation mechanisms in tantalum and niobium
capacitors, F-Tech incorporates multiple process
SBDS is currently available on select part types in the T493
methodologies. Some minimize the oxygen and carbon
and T497. Please contact KEMET for details on ordering other
content in the anodes which become contaminants
part types with these capabilities.
and can lead to the crystallization of the anodic oxide
dielectric. This process methodology reduces the
KEMET offers these technologies per the following options:
contaminants, improving quality of the dielectric. An
F-Tech only
additional technology provides a stronger mechanical
SBDS only
connection point between the tantalum lead wire and
Combination of both F-Tech and SBDS for the ultimate
tantalum anode, enhancing robustness and product
protection
reliability. The benefit of F-Tech is illustrated by a 2,000
hour, 85C, 1.32 X rated voltage accelerated life test.
F-Tech parts see no degradation while standard tantalums
have 1.5 orders of magnitude degradation in leakage
current. F-Tech is currently available for T493 Series
(select D and X case capacitance values in 25 V and
higher rated voltage). Please contact KEMET for details on
ordering other part types with these capabilities.
One world. One KEMET
KEMET Electronics Corporation KEMET Tower One East Broward Boulevard T2007_T493 8/24/2018 1
Fort Lauderdale, FL 33301 USA 954-766-2800 www.kemet.comTantalum Surface Mount Capacitors High Reliability
T493 Commercial Off-The-Shelf (COTS) MnO (CWR11 Style)
2
Benefits
F-Tech and simulated breakdown voltage (SBDS) Weibull failure options B and C
screening options available Voltage rating of 4 63 VDC
Taped and reeled per EIA 481 Operating temperature range of 55C to +125C
Symmetrical, compliant terminations Capacitance values of 0.1 to 470 F
Laser-marked case All parts tested per Group A of MILPRF55365
100% surge current test available on all case sizes Approved for DLA Drawing 07016 applications*
* Defense Logistics Agency (DLA), previously identified as DSCC
Termination options B, C, H, K, T, N, and M
Applications
Typical applications include decoupling and filtering in military and aerospace applications.
Environmental Compliance
RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder.
K-SIM
For a detailed analysis of specific part numbers, please visit ksim.kemet.com to access KEMETs K-SIM software. KEMET
K-SIM is designed to simulate behavior of components with respect to frequency, ambient temperature, and DC bias levels.
Ordering Information
T 493 D 227 K 006 C H 61 20
Rated
Capacitor Case Capacitance Capacitance Failure Rate/ Packaging
Series Voltage Termination Finish Surge ESR
Class Size Code (pF) Tolerance Design (C-Spec)
(VDC)
T = Military A, First two J = 5% 004 = 4 A = N/A C = Hot solder dipped 61 = None 10 = ESR Blank = 7"
Tantalum COTS B,
digits K = 10% 006 = 6.3 B = 0.1%/ H = Standard solder- 62 = 10 Cycles after standard reel
C, represent M = 20% 010 = 10 1,000 hours coated (SnPb 5% Pb Weibull, 25C 20 = ESR 7280 = 13"
D, significant 016 = 16 C = 0.01%/ minimum) 63 = 10 cycles after low reel
E, figures. 020 = 20 1,000 hours B = Gold-plated Weibull, 55C and 30 = ESR 7610 = Bulk
X Third digit 025 = 25 K = Solder fused 85C after Weibull ultra-low Bag
specifies 035 = 35 T = 100% tin 64 = 10 cycles 7640 = Bulk
number of 050 = 50 N = Non-magnetic before Weibull,55 plastic box
zeros. 063 = 63 100% tin (Sn) and +85C WAFL =
M = Non-magnetic Waffle pack
(SnPb)
For detailed part number offerings, please refer to: Table 1A COTS, Table 1B DLA Drawing 07016
KEMET Electronics Corporation KEMET Tower One East Broward Boulevard T2007_T493 8/24/2018 22
Fort Lauderdale, FL 33301 USA 954-766-2800 www.kemet.com