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Eaton Bussmann XT35503R0287R Supercapacitors

Eaton supercapacitors are advanced cylindrical snap-in devices with ultra-high capacitance, designed for high power and energy storage applications. They feature electrochemical double layer capacitor technology, enabling long cycle life, rapid charge/discharge, and broad temperature operation. Their enhanced energy density and low ESR make them ideal for industrial backup, UPS energy storage, automotive pulse power, and medical pulse power systems. These UL recognized supercapacitors provide reliable, high-performance energy solutions with robust construction and consistent technical specifications, supporting critical applications with efficiency and durability.

Authorized Distributors
Source:Newark
Part No:XT3550-3R0287-R
Stock:20
Inv Date:06-11-2026
Price: Unit price: $45.3
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Source:DigiKey
Part No:XT3550-3R0287-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $28.74
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Source:DigiKey
Part No:XT3550-3R0287-R
Stock:20
Inv Date:06-11-2026
Price: Unit price: $26.85
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Part No:XT3550-3R0287-R
Stock:0
Inv Date:06-12-2026
Price: Unit price: $28.29
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Part No:XT3550-3R0287-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $50.42
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Part No:XT3550-3R0287-R
Stock:20
Inv Date:06-11-2026
Price: Unit price: $23.81
Buy/RFQ:
Part No:XT3550-3R0287-R
Stock:20
Inv Date:06-11-2026
Price: Unit price: $23.81
Buy/RFQ:

Eaton Bussmann XT35503R0287R Supercapacitors Specifications:

  • Capacitance: 275 F to 555 F
  • Working voltage: 3.0V
  • Surge voltage: 33V
  • Capacitance tolerance: -5% to +20% (+20 °C)
  • Operating temperature range: -40 °C to +65 °C
  • Extended temperature: ~-40 °C to +85 °C (with voltage derating to 2.6 V at +85 °C)
  • Maximum Continuous Peak leakage current: 184 mA to 341 mA depending on model
  • Equivalent Series Resistance (ESR): varies by model, typically around 0.60 to 1.30 mΩ
  • Stored energy: calculated with 0.5 × capacitance × voltage squared divided by 1000
  • Dimensions: Diameter 35 mm, Length 60 mm, with mass ranging from 62 g to 108 g
  • Durability: 1,500 hours at max voltage and temperature, 500,000 charge/discharge cycles, 3-year storage stability at up to +35 °C

Buy the Buy Eaton Supercapacitors Part Number XT35503R0287R Online

Purchase Eaton supercapacitors XT35503R0287R online for high-performance energy storage in industrial, automotive, and medical applications. Designed with advanced EDLC technology, these supercapacitors offer ultra-low ESR, high capacitance, and long cycle life. Their broad temperature range and reliable power delivery make them ideal for backup systems, UPS, pulse power in vehicles, and medical equipment. Easy to install, UL recognized, and built for durability, they ensure system efficiency, reducing downtime and operational costs. Order now to experience premium energy solutions with fast, secure online delivery.

Get Eaton supercapacitors XT35503R0287R today—engineered for high power density, long cycle life, and reliable energy storage in critical systems.

Frequently Asked Questions

Where can I buy Eaton Bussmann XT35503R0287R?

You can click on the BUY or RFQ button to purchase XT35503R0287R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part XT35503R0287R?

You can download the XT35503R0287R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of XT35503R0287R?

Eaton Bussmann

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