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KEMET T591D686M020ATE040 Polymer Tantalum Capacitor

The T591 series is an organic SMD Tantalum Capacitor with a conductive polymer cathode, offering very low ESR and enhanced high-frequency capacitance retention. It combines features of multilayer ceramics, aluminum electrolytics, and tantalum into a compact surface-mount package, ensuring long operational lifespan and high ripple current capacity. Designed for harsh environments, this series withstands high humidity and temperature conditions, adhering to AEC-Q200 standards. With capacitance up to 68μF, voltage ratings of 20V, and a 52-week shelf life, it is ideal for automotive and high-reliability applications, providing stable performance and self-healing durability.

Authorized Distributors
Source:Newark
Part No:T591D686M020ATE040
Stock:81
Inv Date:06-05-2026
Price: Unit price: $0.345
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Source:DigiKey
Part No:T591D686M020ATE040
Stock:500
Inv Date:06-05-2026
Price: Unit price: $1.15126
Buy/RFQ:
Part No:T591D686M020ATE040
Stock:2244
Inv Date:06-06-2026
Price: Unit price: $2.53
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KEMET T591D686M020ATE040 Polymer Tantalum Capacitor Specifications:

  • Capacitance: 68 μF
  • Capacitance Tolerance: 20%
  • Rated Voltage: 20 VDC
  • Temperature Range: -55°C to +125°C
  • Humidity Resistance: 85°C, 85% RH, load, 500 hours
  • Dielectric: Polymer Tantalum
  • Style: SMD Chip
  • Failure Rate: N/A
  • Dissipation Factor: 10% at 120Hz 25°C
  • Resistance: 40 mOhms at 100kHz 25°C
  • Ripple Current: 2345 mA rms at 105°C
  • Leakage Current: 136 μA at 25°C (5 minutes)
  • Dimensions: Length 7.3mm ±0.3mm, Width 4.3mm ±0.3mm, Height 2.8mm ±0.3mm
  • Packaging: T&R, 178mm reel, quantity 500 units
  • RoHS Compliant: Yes
  • Shelf Life: 52 Weeks
  • MSL: 3

Buy the KEMET Series T591 Tantalum Capacitor: T591D686M020ATE040

Purchase the KEMET Series T591D686M020ATE040 polymer tantalum capacitor online today and ensure your designs benefit from low ESR, high ripple current, and excellent temperature stability. Ideal for automotive, industrial, and high-reliability applications, this surface-mount component offers long lifespan, superior performance under harsh conditions, and robust self-healing properties. With a compact footprint of 7.3mm by 4.3mm, it provides reliable operation at 20V with a capacitance of 68μF. Order now to access fast worldwide shipping and expert support, securing durable, high-quality electronic solutions for your needs.

Order your KEMET Series T591D686M020ATE040 polymer tantalum capacitor today and enhance your project’s reliability with this low ESR, high-performance component.

Frequently Asked Questions

Where can I buy KEMET T591D686M020ATE040?

You can click on the BUY or RFQ button to purchase T591D686M020ATE040 from an authorized KEMET distributor.

How do I troubleshoot issues or seek technical support for part T591D686M020ATE040?

You can download the T591D686M020ATE040 datasheet or visit the KEMET website for support.

Who is the manufacturer of T591D686M020ATE040?

KEMET

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