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KEMET T491B686M006AT Tantalum Capacitor

The T491B686M006AT is a high-reliability, SMD MnO2 tantalum capacitor featuring a 68 microfarad capacitance, 20% tolerance, and a 6.3V DC rating. It is mold-shaped with a maximum height of 2.1mm, making it ideal for compact electronic assemblies. Designed for a wide temperature range of -55°C to +125°C, it offers low leakage current, low resistance of 900 milliohms, and is RoHS compliant. Suitable for demanding applications, this component ensures stable performance in various electronic devices.

Authorized Distributors
Source:Newark
Part No:T491B686M006AT
Stock:1700
Inv Date:06-05-2026
Price: Unit price: $0.84
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Source:DigiKey
Part No:T491B686M006AT
Stock:0
Inv Date:06-05-2026
Price: Unit price: $1.24
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Part No:T491B686M006AT
Stock:6272
Inv Date:06-06-2026
Price: Unit price: $0.87
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Part No:T491B686M006AT
Stock:0
Inv Date:06-06-2026
Price: N/A
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Part No:T491B686M006AT
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.86
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KEMET T491B686M006AT Tantalum Capacitor Specifications:

  • Capacitance: 68 uF
  • Capacitance Tolerance: 20%
  • Voltage DC: 6.3 VDC at 85°C, 4.22 VDC at 125°C
  • Temperature Range: -55°C to +125°C
  • Rated Temperature: 85°C
  • Dissipation Factor: 8% at 120Hz 25°C
  • Resistance: 0.9 Ohms at 100kHz 25°C
  • Ripple Current: 276.3 mA at 85°C, 122.8 mA at 125°C
  • Leakage Current: 4.3 uA for 5 minutes at 25°C
  • Dimensions: Length 3.5mm ±0.2mm, Width 2.8mm ±0.2mm, Height Max 2.1mm
  • RoHS Compliant: Yes
  • Termination: Tin
  • Package Type: T&R, 178mm, Quantity: 2000
  • Material: MnO2 Tantalum
  • Style: SMD Chip
  • MSL: 1
  • Shelf Life: 156 Weeks
  • Dielectric: MnO2 Tantalum

Buy the KEMET Series T491 68uF Tantalum Capacitor: T491B686M006AT

Purchase the T491B686M006AT tantalum capacitor online today for your electronic projects. This high-quality SMD component offers 68 microfarad capacitance, 6.3V DC rating, and operates reliably across temperatures from -55°C to +125°C. Its mold style and RoHS compliance make it ideal for space-constrained, high-reliability applications. The low resistance and leakage current ensure stable operation, making this capacitor suitable for demanding electronic circuits. Buy online now for quick delivery and consistent quality.

Order your KEMET Series T491B686M006AT tantalum capacitor today and ensure reliable performance in your high-temperature electronic designs.

Frequently Asked Questions

Where can I buy KEMET T491B686M006AT?

You can click on the BUY or RFQ button to purchase T491B686M006AT from an authorized KEMET distributor.

How do I troubleshoot issues or seek technical support for part T491B686M006AT?

You can download the T491B686M006AT datasheet or visit the KEMET website for support.

Who is the manufacturer of T491B686M006AT?

KEMET

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