T493B684J025AM6410 datasheet, PDF

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T493B684J025AM6410: DescriptionTantalum Capacitor, Polarized, Tantalum (dry/solid), 25V, 5% +Tol, 5% -Tol, 0.68uF, 1411; CategoryPassive components capacitor; File Size910KB，26 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com

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T493B684J025AM6410 Overview

Tantalum Capacitor, Polarized, Tantalum (dry/solid), 25V, 5% +Tol, 5% -Tol, 0.68uF, 1411

T493B684J025AM6410 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Objectid	1326841406
package instruction	, 1411
Reach Compliance Code	not_compliant
ECCN code	EAR99
Other features	ESR IS MEASURED AT 100KHZ, MIL-PRF-55365/8
capacitance	0.68 µF
Capacitor type	TANTALUM CAPACITOR
dielectric materials	TANTALUM (DRY/SOLID)
ESR	7500 mΩ
high	1.9 mm
JESD-609 code	e0
leakage current	0.0005 mA
length	3.5 mm
Installation features	SURFACE MOUNT
negative tolerance	5%
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package form	SMT
method of packing	TR, EMBOSSED PLASTIC, 7 INCH
polarity	POLARIZED
positive tolerance	5%
Rated (DC) voltage (URdc)	25 V
size code	1411
surface mount	YES
Delta tangent	0.04
Terminal surface	Tin/Lead (Sn/Pb)
Terminal shape	J BEND
width	2.8 mm

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Tantalum Surface Mount Capacitors – High Reliability

T493 High Reliability Alternative MnO

(CWR11 Style)

Overview

The KEMET T493 Series is designed for the Commercial

Off-The-Shelf (COTS) requirements of military and

aerospace applications. This series is a surface mount

product offering various lead-frame plating options,

Weibull grading options, surge current testing, F-Tech (an

improved anode manufacturing process) and Simulated

Breakdown Voltage (SBDV) screening options to improve

long term reliability. Standard, low, and ultra-low ESR

options are available. All lots of this series are conditioned

with MIL–PRF–55365 Group A testing. This series is also

approved for DLA Drawing 07016 (please see part number

list specific to this drawing).

KEMET’s F-Tech eliminates hidden defects in the dielectric

which continue to grow in the field, causing capacitor

failures. Based on the fundamental understanding of

degradation mechanisms in tantalum and niobium

capacitors, F-Tech incorporates multiple process

methodologies. Some minimize the oxygen and carbon

content in the anodes which become contaminants

and can lead to the crystallization of the anodic oxide

dielectric. This process methodology reduces the

contaminants, improving quality of the dielectric. An

additional technology provides a stronger mechanical

connection point between the tantalum lead wire and

tantalum anode, enhancing robustness and product

reliability. The benefit of F-Tech is illustrated by a 2,000

hour, 85°C, 1.32 X rated voltage accelerated life test.

F-Tech parts see no degradation while standard tantalum's

have 1.5 orders of magnitude degradation in leakage

current. F-Tech is currently available for the 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.

KEMET’s patented Simulated Breakdown Screening (SBDS)

is a nondestructive testing technique that simulates the

breakdown voltage (BDV) of a capacitor without damage to

its dielectric or to the general population of capacitors. This

screening identifies hidden defects in the dielectric, providing

the highest level of dielectric testing. SBDS is based on the

simulation of breakdown voltage (BDV), the ultimate test of

the dielectric in a capacitor.

Low BDV indicates defects in the dielectric, and therefore, a

higher probability of failure in the field. High BDV indicates

a stronger dielectric and high-reliability performance in the

field. This new screening method allows KEMET to identify

the breakdown voltage of each individual capacitor and

provide only the strongest capacitors from each lot.

SBDS is currently available on select part types in the T493

and T497 Series. Please contact KEMET for details on

ordering other part types with these capabilities.

KEMET offers these technologies per the following options:

• F-Tech only

• SBDS only

• Combination of both F-Tech and SBDS for the ultimate

protection

Built Into Tomorrow

T2007_T493 • 10/14/2021

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