Eaton XV Supercapacitors Complete Guide

Eaton XV Series Supercapacitors: Full Technical Description of Cylindrical Plug in Double Layer Capacitors

Introduction: Breakthroughs and Applications of Supercapacitors Technology

Balancing power density and energy density has always been a challenge for engineers in modern power electronic systems. Traditional batteries provide high energy density but limited power output, while traditional capacitors can provide high power but have limited energy storage capacity. The Eaton XV series supercapacitor, also known as an electrochemical double layer capacitor (EDLC), is an innovative device designed to address this contradiction.

The XV series supercapacitor adopts a cylindrical plug-in packaging, combined with an electrochemical double-layer capacitor structure and high-performance materials, which can provide excellent performance in a wide range of application scenarios from microampere level lasting for several days to ampere level lasting for milliseconds. This article provides a comprehensive analysis of the technical characteristics, specification parameters, and application guidelines of XV series 300F to 600F capacitors based on Eaton's official data manual.

Chapter 1 Product Overview and Technical Features

1.1 What is a supercapacitor?

Supercapacitors are energy storage devices that fall between traditional electrolytic capacitors and rechargeable batteries. It stores energy by forming a double layer of electrolyte ions on the electrode surface, rather than relying on chemical reactions. This physical energy storage mechanism endows supercapacitors with a unique combination of performance:

Ultra high capacitance value: up to Farad level, far exceeding traditional capacitors

Extremely low equivalent series resistance: achieving high power density

Ultra long cycle life: up to hundreds of thousands of charge and discharge cycles

Wide working temperature range: suitable for harsh environments

1.2 Core Features of XV Series

The Eaton XV series supercapacitors have the following significant advantages:

Ultra long service life: working at room temperature for over 10 years

Ultra low ESR: Achieving high power density to meet the requirements of pulse current applications

Large capacitance value: provides high energy density and extends backup time

Long cycle life: minimal performance degradation after 500000 charge and discharge cycles

UL certification: compliant with safety standards, suitable for industrial applications

1.3 Main application areas

The XV series supercapacitors are widely used in the following scenarios:

Hybrid battery/fuel cell system: serving as a power buffer, providing peak power and extending the lifespan of the main battery

High pulse current applications: such as motor drives, industrial tools, communication equipment

UPS/Backup Power Supply: Provides brief maintenance power during power outages to ensure secure data storage

Chapter 2 Technical Specifications and Performance Parameters

2.1 Basic electrical parameters

The basic specifications of the XV series 300F to 600F models are as follows:

Parameter specification values

Capacitor range 300 F to 600 F

Working voltage 2.7 V

Surge voltage 2.85 V

Capacitor tolerance -5% to+10%

Working temperature range -40 ° C to+65 ° C

Expand the working temperature range from -40 ° C to+85 ° C (requires derating to 2.3 V @+85 ° C)

2.2 Standard Product Models and Parameters

Model: Capacitor (F) Maximum Initial ESR (m Ω) Maximum Continuous Current (A) Peak Current (A) Maximum Leakage Current (mA) Maximum Power (W) Storage Energy (Wh) Typical Mass (g)

XV3550-2R7307-R 300 4.5 20 160 0.6 100 0.30 60

XV3560-2R7407-R 400 3.2 26 220 0.8 570 0.41 72

XV3585-2R7607-R 600 2.6 33 320 1.3 790 0.60 108

Parameter definition explanation:

Capacitance, ESR, and leakage current: all measured according to IEC 62391-1 standard at+20 ° C

Maximum continuous current: based on a temperature rise of 15 ° C

Peak current: The formula for calculating the peak current in 1 second is: 1/2 x operating voltage x capacitor/(1+DC ESR x capacitor)

Leakage current: measured after being powered on for 72 hours at+20 ° C

Maximum power: Calculation formula=Operating voltage ²/(4 × DC ESR)

Energy storage: Calculation formula=189 × capacitance × operating voltage ²/3600

2.3 Performance Stability

XV series supercapacitors maintain excellent performance stability under various stress conditions:

Maximum variation of conditional parameters

Lifetime test (maximum operating voltage and temperature, 1500 hours): capacitance change ≤ 20%

ESR variation ≤ 200%

Charge discharge cycle ¹ (500000 times), capacitance change ≤ 20%

ESR variation ≤ 200%

Storage life (uncharged, -40 ° C to+65 ° C, 1500 hours), capacitance change ≤ 20%

ESR variation ≤ 200%

Storage life (uncharged, ≤ 30 ° C, 3 years), capacitance change ≤ 5%

ESR variation ≤ 10%

¹ Cycle condition: Cycle between the maximum operating voltage and 50% of the maximum operating voltage at room temperature

Chapter 3 Mechanical Dimensions and Installation Guidelines

3.1 Overall dimensions

The XV series supercapacitors adopt cylindrical plug-in packaging, with the following size parameters:

Model diameter D (mm) length L ± 1.0 (mm) pin spacing