T491X686M020AT【PDF 1/24 页】CAP TANT 68UF 20V 20% 2917

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Tantalum Surface Mount Capacitors – Standard Tantalum

T491 Industrial Grade MnO 2 Series

Overview

The KEMET T491 Series, designed specifically for today’s highly

automated surface mount processes and equipment, is the

leading choice for surface mount designs. The T491 combines

KEMET’s proven solid tantalum technology, acclaimed and

respected throughout the world, with the latest in materials,

processes and automation, resulting in unsurpassed total

performance and value.

This product meets or exceeds the requirements of EIA Standard

535BAAC. The physical outline and dimensions of this series

conform to this global standard. Five low profile case sizes are

available in the T491 Series. The R/2012–12, S/3216–12 and

T/3528–12 case sizes have a maximum height of 1.2 mm. The

U/6032–15 size has a maximum height of 1.5 mm, and the

V/7343–20 has a maximum height of 2.0 mm.

Benefits

? Meets or exceeds EIA Standard 535BAAC

? Taped and reeled per EIA 481–1

? Symmetrical, compliant terminations

? Optional gold-plated terminations

? Laser-marked case

? 100% surge current test on C, D, E, U, V, X sizes

? Halogen free epoxy

? Capacitance 0.1 μ F to 1,000 μ F

? Tolerance ±10%, ±20%

? Voltage 2.5 – 50 VDC

? Extended range values

? Low profile case sizes

? RoHS Compliant and lead-free terminations

(See www.kemet.com for transition information)

? Operating temperature: -55oC to +125oC

The T491 standard terminations are 100% matte tin and provide

excellent wetting characteristics and compatibility with today's

surface mount solder systems. Tin/lead (Sn/Pb) terminations

are available upon request for any part number. Gold-plated

terminations are also available for use with conductive epoxy

attachment processes. The symmetrical terminations offer total

compliancy to provide the thermal and mechanical stress relief

required with today's technology. Lead frame attachments to the

tantalum pellet are made via a microprocessor-controlled welding

operation, and a high temperature silver epoxy adhesive system.

Standard packaging of these devices is tape and reel in

accordance with EIA 481–1. This system provides perfect

compatibility with all tape-fed placement units.

Applications

Typical applications include decoupling and filtering in industrial

and automotive end applications such as DC/DC converters,

portable electronics, telecommunications, and control units.

Environmental Compliance

RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder.

One world. One KEMET

? KEMET Electronics Corporation ? P.O. Box 5928 ? Greenville, SC 29606 (864) 963-6300 ? www.kemet.com

T2005_T491 ? 10/8/2013

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