T543D477M004ATW0067280 datasheet, PDF

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T543D477M004ATW0067280: DescriptionTantalum Capacitor, Polarized, Tantalum (solid Polymer), 4V, 20% +Tol, 20% -Tol, 470uF, Surface Mount, 2917, CHIP; CategoryPassive components capacitor; File Size1MB，29 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com; Environmental Compliance

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T543D477M004ATW0067280 Overview

Tantalum Capacitor, Polarized, Tantalum (solid Polymer), 4V, 20% +Tol, 20% -Tol, 470uF, Surface Mount, 2917, CHIP

T543D477M004ATW0067280 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	1952650656
package instruction	, 2917
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ
capacitance	470 µF
Capacitor type	TANTALUM CAPACITOR
dielectric materials	TANTALUM (SOLID POLYMER)
ESR	6 mΩ
high	2.8 mm
JESD-609 code	e3
leakage current	0.188 mA
length	7.3 mm
Installation features	SURFACE MOUNT
negative tolerance	20%
Number of terminals	2
Maximum operating temperature	105 °C
Minimum operating temperature	-55 °C
Package shape	RECTANGULAR PACKAGE
Package form	SMT
method of packing	TR, EMBOSSED PLASTIC, 13 INCH
polarity	POLARIZED
positive tolerance	20%
Rated (DC) voltage (URdc)	4 V
ripple current	1531 mA
size code	2917
surface mount	YES
Delta tangent	0.1
Terminal surface	Matte Tin (Sn)
Terminal shape	J BEND
width	4.3 mm

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KEMET Organic Capacitor (KO-CAP

) – High Reliability

T543 Up-Screen Commercial

Polymer Electrolytic, 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 T543 COTS Polymer Electrolytic capacitor is an

upscreened version of the industrial T520 KO-CAP. The

T543's upscreened option includes surge current testing of

10 cycles at +25°C and 10 cycles at -55°C/+85°C. In addition

to 100% Tin (Sn) terminations, a tin-lead (SnPb) option is

also available. The recommended application derating for

these capacitors is 10 – 20%, rendering them suitable for

application voltages from 2.25 to 50 VDC.

Benefits

• Extremely low ESR

• High frequency capacitance retention

• 100% accelerated steady state aging

• 100% surge current tested

• Tape & Reel standard packaging per EIA 481

• Volumetrically efficienct

• Surge options at 25°C and −55°C/+85°C

• EIA standard case sizes

• Halogen-free epoxy and RoHS compliant

Applications

Typical applications include DC/DC converters, switch mode and point of load power supply, radar pulse capacitor, and

telecommunications (mobile phone and base station). Other general applications include decoupling and filtering in

applications requiring low ESR or a benign failure mode.

When extreme temperatures and humidity are taken into account, polymer tantalum capacitors offer a number of

advantages over other types of capacitors, when used in extreme environments. KEMET continues to investigate the

behavior of polymer tantalum capacitors in extreme conditions. If you have questions about using these capacitors in

a specific environment or application, we suggest you contact your local representative or field application engineer to

discuss the specific details of your application (see “Considerations for Polymer Capacitors in Extreme Environments”

located at www.kemet.com/ExtremePolymerPaper).

Built Into Tomorrow

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2061_T543 • 3/3/2022

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