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CORNELL DUBILIER DSF305Q3R0 Supercapacitor

This 3-volt supercapacitor offers high power density, fast charge/discharge capabilities, and low ESR for reliable energy storage in various electronic applications. It operates efficiently within a temperature range of -40°C to +85°C, with a lifespan of approximately 1500 hours at rated voltage and temperature. Suitable for backup power, pulse applications, and energy harvesting, it features RoHS compliance. Its compact size with diameter options from 6.3 mm to over 35 mm makes it ideal for diverse circuit designs needing rapid energy delivery and durability in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:DSF305Q3R0
Stock:735
Inv Date:06-01-2026
Price: Unit price: $1.95
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Part No:DSF305Q3R0
Stock:1
Inv Date:06-02-2026
Price: Unit price: $1.95
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Part No:DSF305Q3R0
Stock:0
Inv Date:06-01-2026
Price: Unit price: $1.014
Buy/RFQ:
Part No:DSF305Q3R0
Stock:0
Inv Date:06-01-2026
Price: Unit price: $1.014
Buy/RFQ:

CORNELL DUBILIER DSF305Q3R0 Supercapacitor Specifications:

  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +70°C
  • Capacitance Tolerance: -10% +30% (Q Tolerance)
  • Voltage (Vdc): 3.0V / 2.5V at +65°C / +85°C
  • Lifespan: 1500 hours at rated voltage and temperature, 1000 hours with no voltage at 60°C
  • ESR: <200% of initial values, ESR change at 85°C under 4x
  • Leakage Current: <100% of maximum specified
  • Diameter: 6.3 mm to 35 mm
  • Case Vent: Yes, with insulator and sleeve
  • Capacitance Range: 1.5F to 5F
  • Voltage: 6V for larger size options
  • Cycle Life: Over 500,000 cycles
  • RoHS Compliant, Recognized

Buy the Buy High Voltage Supercapacitor Part Number DSF305Q3R0 Online

Purchase the reliable 3V supercapacitor DSF305Q3R0 online today for your energy storage needs. Designed for fast charge/discharge, low ESR, and long cycle life, it’s ideal for backup power, pulse power, and energy harvesting applications. Its robust construction and wide temperature range ensure durability in demanding environments. Available in compact sizes from 6.3 mm to over 35 mm diameter, this supercapacitor is recognized for quality, RoHS compliance, and enhanced performance, making it a versatile choice for electronics professionals and engineers.

Order your high-performance supercapacitor DSF305Q3R0 today and ensure reliable energy storage with fast charge/discharge capabilities for your circuits.

Frequently Asked Questions

Where can I buy CORNELL DUBILIER DSF305Q3R0?

You can click on the BUY or RFQ button to purchase DSF305Q3R0 from an authorized CORNELL DUBILIER distributor.

How do I troubleshoot issues or seek technical support for part DSF305Q3R0?

You can download the DSF305Q3R0 datasheet or visit the CORNELL DUBILIER website for support.

Who is the manufacturer of DSF305Q3R0?

CORNELL DUBILIER

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