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T491U157K003AT

更新时间： 2023-12-18 00:00:00
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基美 - KEMET /
页数 文件大小 规格书
24页 1653K
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Standard MnO2 Tantalum Surface Mount Capacitors T491 Industrial Grade MnO2 Series

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Standard MnO2 Tantalum Surface Mount Capacitors  
T491 Industrial Grade MnO2 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.  
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.  
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.  
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.  
Benefits  
Applications  
• Meets or Exceeds EIA Standard 535BAAC  
• Taped and Reeled per EIA 481-1  
• Symmetrical, Compliant Terminations  
• Optical Gold-Plated Terminations  
• Laser-marked Case  
Typical applications include decoupling and filtering in industrial  
and automotive end applications such as DC/DC converters,  
portable electronics, telecommunications, and control units.  
• 100% Surge current test on C, D, E, U, V, X sizes  
• Halogen Free Epoxy  
• Capacitance: 0:1µF to 1000µF  
• Tolerance: ±10%, ±20%  
• Voltage: 2.5-50 VDC  
• Extended Range Values  
• Low Profile Case Sizes  
• RoHS Compliance & Lead Free Terminations  
(See www.kemet.com for transition information)  
• Operating Temperature: -55ºC to +125ºC  
Environmental Compliance  
RoHS Compliant (6/6)* according to Directive 2002/95/EC  
*When ordered with 100% Sn Solder  
SPICE  
For a detailed analysis of specific part numbers, please visit kemet.com for a free download of KEMET's SPICE software. The KEMET  
SPICE program is freeware intended to aid design engineers in analyzing the performance of these capacitors over frequency,  
temperature, ripple, and DC bias conditions.  
One WORLD  
One Brand  
One Strategy  
One Focus  
One Team  
One KEMET  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com  
T2005-1 • 5/18/2011  
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