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                                                                                                  1. Home
                                                                                                  2. Passive Components
                                                                                                  3. Capacitors
                                                                                                  4. Tantalum Capacitors
                                                                                                  5. SMD Tantalum Capacitors
                                                                                                  Print Page

                                                                                                  T491B105K025AT

                                                                                                  Surface Mount Tantalum Capacitor, 1 µF, 25 V, 1411 [3528 Metric], ± 10%, 5 ohm, B

                                                                                                  KEMET
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  KEMET T491B105K025AT
                                                                                                  ManufacturerKEMET
                                                                                                  Manufacturer Part NoT491B105K025AT
                                                                                                  Newark Part No.32K6827
                                                                                                  Product RangeT491 Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Available to Order
                                                                                                  Manufacturer Standard Lead Time: 47 week(s)
                                                                                                  QuantityPrice
                                                                                                  2000+$0.164
                                                                                                  4000+$0.158
                                                                                                  8000+$0.152
                                                                                                  12000+$0.145
                                                                                                  Price for:Each (Supplied on Full Reel)
                                                                                                  Minimum: 2000
                                                                                                  Multiple: 2000
                                                                                                  $328.00
                                                                                                  Enter Your Part No/Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                  This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                  Product Information

                                                                                                  KEMET
                                                                                                  ManufacturerKEMET
                                                                                                  Manufacturer Part NoT491B105K025AT
                                                                                                  Newark Part No.32K6827
                                                                                                  Product RangeT491 Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Capacitance1µF
                                                                                                  Voltage(DC)25V
                                                                                                  Capacitor Case / Package1411 [3528 Metric]
                                                                                                  Capacitance Tolerance± 10%
                                                                                                  ESR5ohm
                                                                                                  Manufacturer Size CodeB
                                                                                                  Failure Rate-
                                                                                                  Ripple Current130mA
                                                                                                  Product Length3.5mm
                                                                                                  Product Width2.8mm
                                                                                                  Product Height1.9mm
                                                                                                  Operating Temperature Min-55°C
                                                                                                  Product RangeT491 Series
                                                                                                  Operating Temperature Max125°C
                                                                                                  Qualification-
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  The KEMET T491 series capacitors are industrial grade MnO2, standard polarized tantalum chip capacitors. These capacitors are designed specifically for today’s highly automated surface mount processes and equipments. T491 combines KEMET’s proven solid tantalum technology, acclaimed and respected throughout the world with latest materials, processes and automation, resulting in greater performance and value. The T491 standard terminations are available in 100% matte tin and provide excellent wetting characteristics and compatibility with today's surface mount solder systems.

                                                                                                  • Capacitance value ranges from 0.1μF to 1000µF
                                                                                                  • EIA 1206, 1210, 2312, 2917, 2924 case sizes available
                                                                                                  • Available in ±10% and ±20% tolerance
                                                                                                  • Rated voltage range of 2.5VDC to 50VDC
                                                                                                  • Operating temperature range -55°C to 125°C
                                                                                                  • Symmetrical, compliant terminations
                                                                                                  • Laser marked case
                                                                                                  • Optional gold plated terminations

                                                                                                  Technical Specifications

                                                                                                  Capacitance

                                                                                                  1µF

                                                                                                  Capacitor Case / Package

                                                                                                  1411 [3528 Metric]

                                                                                                  ESR

                                                                                                  5ohm

                                                                                                  Failure Rate

                                                                                                  -

                                                                                                  Product Length

                                                                                                  3.5mm

                                                                                                  Product Height

                                                                                                  1.9mm

                                                                                                  Product Range

                                                                                                  T491 Series

                                                                                                  Qualification

                                                                                                  -

                                                                                                  Voltage(DC)

                                                                                                  25V

                                                                                                  Capacitance Tolerance

                                                                                                  ± 10%

                                                                                                  Manufacturer Size Code

                                                                                                  B

                                                                                                  Ripple Current

                                                                                                  130mA

                                                                                                  Product Width

                                                                                                  2.8mm

                                                                                                  Operating Temperature Min

                                                                                                  -55°C

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (4)

                                                                                                  Product Change Notice EN

                                                                                                  Manufacturer Catalogue EN

                                                                                                  Technical Data Sheet EN

                                                                                                  CAD Multiple Formats EN

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                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

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