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T540B686K004AH8610

Description
CAP TANT POLY 68UF 4V 1411
CategoryPassive components   
File Size1MB,24 Pages
ManufacturerKEMET
Websitehttp://www.kemet.com
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T540B686K004AH8610 Overview

CAP TANT POLY 68UF 4V 1411

T540B686K004AH8610 Parametric

Parameter NameAttribute value
capacitance68µF
Tolerance±10%
Voltage - Rated4V
typemolded
ESR (equivalent series resistance)80 milliohms @ 100kHz
Operating temperature-55°C ~ 125°C
Service life at different temperatures2000 hours at 125°C
Installation typesurface mount
Package/casing1411 (3528 metric)
size/dimensions0.138" long x 0.110" wide (3.50mm x 2.80mm)
Height - Installation (maximum)0.083"(2.10mm)
lead spacing-
Manufacturer size codeB
gradeCOTS
characteristicHigh reliability
KEMET Organic Capacitor (KO-CAP
®
) – High Reliability
T540/T541 COTS Polymer Electrolytic for
High Reliability Applications, 2.5 – 63 VDC
Overview
The KEMET Organic Capacitor (KO-CAP) is a solid
electrolytic capacitor with a conductive polymer cathode
capable of delivering very low ESR and improved
capacitance retention at high frequencies. KO-CAP
combines the low ESR of multilayer ceramic, the high
capacitance of aluminum electrolytic and the volumetric
efficiency of tantalum into a single surface mount package.
Unlike liquid electrolyte-based capacitors, KO-CAP
has a very long operational life and high ripple current
capabilities. The COTS Polymer Electrolytic offers the
same performance advantages as other KO-CAP series
with screening options associated with high reliability ("Hi-
Rel") applications. These Commerical-Off-The-Shelf (COTS)
grade components offer several surge current screening
options.
The recommended application derating for these capacitors
is 10 – 20%, rendering them suitable for application voltages
from 2.5 to 63 VDC.
These Series are the first polymer electrolytic capacitor
available with failure rate options as defined by KEMET's
KO-CAP Reliability Assessment method. This method utilizes
accelerated conditions (voltage and temperature) applied to
board-mounted samples to assess long term device reliability.
The failure rates available are B (0.1% per 1,000 hours), C
(0.01% per 1,000 hours) and D (0.001% per 1,000 hours).
The KO-CAP Reliability Assessment method was developed
as a result of over 10 years of research and is described in
numerous papers available on www.kemet.com.
Benefits
• Approved for DLA Drawing 04051/04052
• B, C and D failure rates available
• 100% accelerated steady state aging
• High frequency capacitance retention
• Improved humidity capability 85°C/85% RH, 1.0 Vr (in black color epoxy) available
• Very low ESR values down to 5 mΩ
• Surge current testing options
• Volumetrically efficient
• EIA standard case sizes
• KEMET's KO-CAP Reliability Assessment method
One world. One KEMET
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2077_T540-541 • 8/27/2018
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