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KEMET T591D686M020ATE050 Polymer Tantalum Capacitor

The T591 series polymer tantalum SMD capacitor features a conductive polymer cathode for low ESR and high frequency performance. Designed for harsh environments, it offers long life, high ripple current, and excellent capacitance retention. Equipped with a molded polymer construction, it complies with RoHS and AEC-Q200 standards, making it suitable for automotive and industrial applications. Capacitance ranges from 68µF with 20% tolerance, rated for 20VDC, and operates within -55°C to +125°C. It withstands high humidity and temperature, ensuring reliability and self-healing capabilities in demanding environments.

Authorized Distributors
Source:Newark
Part No:T591D686M020ATE050
Stock:390
Inv Date:06-05-2026
Price: Unit price: $0.32
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Source:DigiKey
Part No:T591D686M020ATE050
Stock:223
Inv Date:06-05-2026
Price: Unit price: $2.39
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Part No:T591D686M020ATE050
Stock:1085
Inv Date:06-06-2026
Price: Unit price: $2.39
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Part No:T591D686M020ATE050
Stock:1
Inv Date:06-06-2026
Price: N/A
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KEMET T591D686M020ATE050 Polymer Tantalum Capacitor Specifications:

  • Capacitance: 68 µF
  • Capacitance Tolerance: 20%
  • Rated Voltage: 20 VDC
  • Temperature Range: -55°C to +125°C
  • Humidity: 85°C, 85% RH, load, 500 Hours
  • Dissipation Factor: 10% at 120Hz 25°C
  • Resistance: 50 mOhms at 100kHz 25°C
  • Ripple Current: 2100 mA at 105°C, 750 mA at 125°C
  • Leakage Current: 136 µA (5 min, 25°C)
  • Dimensions: Length 7.3mm ±0.3mm, Width 4.3mm ±0.3mm, Height 2.8mm ±0.3mm
  • Material: Polymer, Molded
  • Termination: Tin
  • Series: T591
  • RoHS Compliant: Yes
  • Qualification: AEC-Q200
  • Packaging: T&R, 178mm, Quantity: 500

Buy the KEMET T591D686M020ATE050 – Reliable Tantalum Capacitor for Industrial Applications

Enhance your electronic designs with the KEMET T591 series polymer tantalum capacitor, offering low ESR, high ripple current, and reliable performance in harsh environments. Ideal for automotive, industrial, and high-frequency applications, this surface-mount component ensures long operational life, excellent capacitance retention, and compliance with strict standards such as AEC-Q200. With a compact molded design, it withstands high humidity and temperature, making it a trusted choice for demanding electronic systems. Purchase online today for quality, reliability, and performance you can count on.

Order your KEMET Series T591D686M020ATE050 today and equip your electronics with a durable, high-performance polymer tantalum capacitor suitable for demanding environments.

Frequently Asked Questions

Where can I buy KEMET T591D686M020ATE050?

You can click on the BUY or RFQ button to purchase T591D686M020ATE050 from an authorized KEMET distributor.

How do I troubleshoot issues or seek technical support for part T591D686M020ATE050?

You can download the T591D686M020ATE050 datasheet or visit the KEMET website for support.

Who is the manufacturer of T591D686M020ATE050?

KEMET

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