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Tantalum Capacitors

Tantalum capacitors are the leading choice when high capacitance is needed in the smallest possible size.

KEMET has been the foremost manufacturer of tantalum capacitors for over 50 years, and is constantly introducing

new innovations to meet changing demands. Offered in a variety of standard sizes, KEMET tantalum capacitors

are fully RoHS-compliant and compatible with modern solder processes including multiple Pb-Free reflow passes.

KEMET tantalum capacitors offer many advantages including low ESR, surge current robustness and multiple

operating temperature ranges. KEMET also offers a complete line of military and Commercial-Off-The-Shelf (COTS)

products as well as enhanced testing for space applications. While many applications use surface mount

technology, a complete line of through-hole tantalum capacitors are available for down-hole, military and other

demanding environments.

KEMET’s traditional MnO2 tantalum capacitors consist of a sintered anode of tantalum metal. This anode is porous,

thus providing increased surface area. An oxide layer is then formed, and this oxide layer becomes the capacitor

dielectric. The oxidized anode is impregnated with manganese dioxide to form the cathode.

Tantalum polymer capacitors are a newer variation which replaces the manganese dioxide cathode with a

solid conductive polymer cathode. KEMET polymer tantalum capacitors are recommended when very low ESR,

increased temperature stability, or benign failure mode is critical.

T495 - DSCC Drawing 95158E

T496 - DSCC Drawing 04053A

T525 - DSCC Drawing 04051

T530 - DSCC Drawing 04052

Tantalum Stack

MnO

2 (TSM)

T489 Low Leakage

Commercial

Tantalum Surface Mount Products

Standard Tantalum

T491 Commercial

Low ESR

MnO2

Polymer

T494 Commercial

(≥80 mΩ)

T495 Surge Robust

(≥30 mΩ)

T520 105°C

Rated Polymer

(≥6 mΩ)

T521

High Voltage Polymer

(≥25 mΩ)

T522

Low Leakage

Polymer

T510

High Capacitance

(≥10 mΩ)

T525 125°C

Rated Polymer

(≥25 mΩ)

T528 Low ESL

Facedown Terminal

Polymer (≥5 mΩ)

T530 High Capacitance

125°C Rated Polymer

(≥4 mΩ)

Tantalum Stack

Polymer (TSP)

High Temperature

T498 150°C Rated

T499 175°C Rated

High Reliability

Commercial-Off-The-

Shelf COTS)

T493 Military/

Aerospace COTS/Low

ESR Option CWR11

Case Sizes

T497 High Grade COTS

CWR09/19/29

Case Sizes

T540 Polymer COTS

T541 Polymer

COTS Multiple

Anode

T419 CWR19 Style

MIL-PRF-55365/11

MIL-PRF

(CWR Series)

T409 CWR09 Style

MIL-PRF-55365/4

T492 CWR11 Style

MIL-PRF-55365/8

T429 CWR29 Style

MIL-PRF-55365/8

Fused

T496 Series

Automotive Grade

T491 Commercial

T494 Commercial

(≥80 mΩ)

T489 Low Leakage

T495 Surge Robust

(≥30 mΩ)

T498 150°C Rated

T499 175°C Rated

T510 Multiple Anode

Low ESR MnO2

T525 125°C Rated

Polymer (≥25 mΩ)

Tantalum Through-Hole Products

Hermetically Sealed

Polar T110/T140

Series CSR13

Case Sizes

Radial Dipped

T35X Series

Standard Radial

Dipped

T32X Series

CX01/05 Style

MIL-PRF-49137/1 & 5

T363/T369

Series CX02/12

Style MIL-PRF-49137/2

T368 Series

High Capacitance

T396/T398 Series

“Fail Safe” Insertion

Polar T2XX Series

CSR/CSS Style

MIL-PRF-39003

Miniature T222

Series CSR09 Style

MIL-PRF-39003/2

GR500

High Reliability Series

Molded Radial

Molded Axial

T330/T340

Series Standard

Molded Radial

T370 Series

CX06 Case Sizes

T37X Series

CX06 Style

MIL-PRF-49137/6

DSCC Drawings

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