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Panasonic EEFSX0E221ER Conductive Polymer Capacitor

Panasonic's EEF-SX0E221ER is a high-performance conductive polymer aluminum electrolytic capacitor designed for surface mount applications. It offers a combination of low ESR, high ripple current handling capability, and a compact form factor. This capacitor is ideal for use in power supplies, DC-DC converters, and other applications where efficient and reliable power storage is critical. Its RoHS compliance ensures environmental responsibility, and its robust design ensures long-term stability and performance. Always consult the latest datasheet for detailed specifications and application guidelines.

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Source:DigiKey
Part No:EEF-SX0E221ER
Stock:11385
Inv Date:06-01-2026
Price: Unit price: $1.79
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Part No:EEF-SX0E221ER
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Inv Date:06-02-2026
Price: Unit price: $1.73
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Part No:EEFSX0E221ER
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Price: Unit price: $0.52
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Part No:EEF-SX0E221ER
Stock:3316
Inv Date:06-01-2026
Price: Unit price: $0.6196
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Part No:EEF-SX0E221ER
Stock:3316
Inv Date:06-01-2026
Price: Unit price: $0.6196
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Part No:EEF-SX0E221ER
Stock:0
Inv Date:06-01-2026
Price: Unit price: $0.91
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Part No:EEF-SX0E221ER
Stock:141
Inv Date:06-02-2026
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Panasonic EEFSX0E221ER Conductive Polymer Capacitor Specifications:

  • Category temp. range: –55 °C to +105 °C
  • Rated voltage range: 2 V.DC to 6.3 V.DC
  • Nominal cap.range: 82 μF to 560 μF
  • Capacitance tolerance: ±20 % (120 Hz/+20 °C)
  • DC leakage cur rent: I<0.1 CV (μA) 2 minutes
  • Dissipation factor(tand): <0.06 (120 Hz/+20 °C)
  • Surge voltage(V.DC): Rated voltage×1.25 (15 °C to 35 °C)
  • Endurance: +105 °C,2000 h,rated voltage applied
  • Capacitance change: Within ±20 % of the initial value
  • tand limit: <2 times of the initial limit
  • DC leakage current limit: <3 times of the initial limit
  • Damp heat: +60 °C,90 %,500 h,No-applied voltage
  • Ripple current: 8500 mAr.m.s. max.
  • ESR: 4.5 mΩ to 9 mΩ
  • RoHS compliance: Yes
  • Halogen free: Yes
  • Case size: 7.3 x 4.3 x 1.9 mm
  • Packaging: 3500 pcs

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Frequently Asked Questions

Where can I buy Panasonic EEFSX0E221ER?

You can click on the BUY or RFQ button to purchase EEFSX0E221ER from an authorized Panasonic distributor.

How do I troubleshoot issues or seek technical support for part EEFSX0E221ER?

You can download the EEFSX0E221ER datasheet or visit the Panasonic website for support.

Who is the manufacturer of EEFSX0E221ER?

Panasonic

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