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KEMET T491X686M025AT Tantalum Capacitor

The KEMET T491 series MnO2 tantalum chip capacitors are high-performance surface mount components designed for reliable industrial applications. Featuring a dielectric of MnO2, these molded SMD capacitors provide 68 uF capacitance with ±20% tolerance and a rated voltage of 25 VDC. They operate within -55°C to +125°C temperature ranges, with low resistance of 0.7 Ohms at 100kHz and a dissipation factor of 6%. Encased in tin termination, they ensure consistent performance and are suitable for compact designs requiring high stability and durability.

Authorized Distributors
Source:Newark
Part No:T491X686M025AT
Stock:100
Inv Date:06-06-2026
Price: Unit price: $0.354
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Source:DigiKey
Part No:T491X686M025AT
Stock:1243
Inv Date:06-06-2026
Price: Unit price: $2.94
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Part No:T491X686M025AT
Stock:32
Inv Date:06-07-2026
Price: Unit price: $2.94
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Part No:T491X686M025AT
Stock:2
Inv Date:06-06-2026
Price: Unit price: $0.59
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Part No:T491X686M025AT
Stock:11
Inv Date:06-07-2026
Price: N/A
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KEMET T491X686M025AT Tantalum Capacitor Specifications:

  • Capacitance: 68 uF
  • Capacitance Tolerance: 20%
  • Voltage DC: 25 VDC (ISC) at 85°C
  • Temperature Range: -55°C to +125°C
  • Rated Temperature: 85°C
  • Dissipation Factor: 6% at 120Hz 25°C
  • Resistance: 0.7 Ohms at 100kHz 25°C
  • Leakage Current: 17 uA at 25°C
  • Dimensions: Length 7.3mm ±0.3mm, Width 4.3mm ±0.3mm, Height Max 4.3mm
  • Material: MnO2 dielectric, Molded ceramic casing
  • Termination: Tin plating
  • Shelf Life: 156 Weeks
  • RoHS Compliant: Yes
  • Component Weight: 652.04 mg
  • Packaging: T&R, 178mm, 500 pieces per pack

Buy the KEMET Series T491 Tantalum Capacitor: T491X686M025AT

Purchase the KEMET T491X686M025AT tantalum capacitor online today and experience dependable performance in demanding industrial environments. This surface mount capacitor offers 68 microfarads of capacity at 25 volts with a wide operating temperature range from -55°C to +125°C, ensuring stability and long-term durability. Its compact molded case, tin-plated termination, and proven solid tantalum technology make it ideal for high-performance electronic designs requiring reliable, stable, and efficient power storage. Order now for fast delivery and excellent value.

Get KEMET T491X686M025AT today—built for reliable high-temperature performance in surface mount applications.

Frequently Asked Questions

Where can I buy KEMET T491X686M025AT?

You can click on the BUY or RFQ button to purchase T491X686M025AT from an authorized KEMET distributor.

How do I troubleshoot issues or seek technical support for part T491X686M025AT?

You can download the T491X686M025AT datasheet or visit the KEMET website for support.

Who is the manufacturer of T491X686M025AT?

KEMET

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