Electric Double Layer Capacitors (EDLC), Supercapacitors

Category Introduction

Electric double layer capacitors and supercapacitors are a class of electrolytic (polarized) capacitors that offer exceptionally high capacitance values in relation to their physical size and low voltage ratings; individual devices have ratings of a few volts at most, though products incorporating numerous series-connected devices to achieve higher voltage ratings are available. Exhibiting losses that are generally high by standards of other electrolytic capacitors yet low in comparison to electrochemical cells, they are often used as alternatives to the latter in applications requiring high cycle counts or power density.

Product List

2237 Items
PDF Mfr Part # Quantity
Available
UnitPrice RFQ Series Packaging Product StatusCapacitanceToleranceVoltage - RatedESR (Equivalent Series Resistance)Lifetime @ Temp.TerminationMounting TypePackage / CaseLead SpacingSize / DimensionHeight - Seated (Max)Operating Temperature
DSK-3R3H703T414-HRL
DSK-3R3H703T414-HRL
CAP 70MF -20% +80% 3.3V SMD
Elna America
118 $1.28
DSK Tape & Reel (TR) Active70 mF-20%, +80%3.3 V100Ohm500 Hrs @ 70°CSMD (SMT) TabsSurface MountCoin, Wide Terminals - Opposite Sides-0.189" Dia (4.80mm)0.085" (2.16mm)-10°C ~ 70°C
DSK-3R3H703T414-HLL
DSK-3R3H703T414-HLL
CAP 70MF -20% +80% 3.3V SMD
Elna America
93 $1.49
DSK Tape & Reel (TR) Active70 mF-20%, +80%3.3 V100Ohm500 Hrs @ 70°CSMD (SMT) TabsSurface MountCoin, Wide Terminals - Opposite Sides-0.189" Dia (4.80mm)0.067" (1.71mm)-10°C ~ 70°C
CPH3225A
CPH3225A
CAP 11MF 3.3V SURFACE MNT
Seiko Instruments
128 $1.83
CPH3225A Tape & Reel (TR) Active11 mF-3.3 V--SMD (SMT) TabsSurface Mount1210 (3225 Metric)-0.126" L x 0.098" W (3.20mm x 2.50mm)0.035" (0.90mm)-
CPH3225A-2K
CPH3225A-2K
CAP 11MF 3.3V SURFACE MNT
Seiko Instruments
114 $1.98
CPH3225A Tape & Reel (TR) Active11 mF-3.3 V--SMD (SMT) TabsSurface Mount1210 (3225 Metric)-0.126" L x 0.098" W (3.20mm x 2.50mm)0.035" (0.90mm)-
JUWT1105MCD
JUWT1105MCD
CAP 1F 20% 2.7V T/H
Nichicon
163 $0.96
EVerCAP® JUW Bulk Active1 F±20%2.7 V4Ohm @ 1kHz1000 Hrs @ 70°CPC PinsThrough HoleRadial, Can0.098" (2.50mm)0.248" Dia (6.30mm)0.413" (10.50mm)-25°C ~ 70°C
DGH105Q2R7
DGH105Q2R7
CAPACITOR 1F -10% +30% 2.7V TH
Cornell Dubilier / Illinois Capacitor
917 $1.07
DGH Bulk Active1 F-10%, +30%2.7 V200mOhm @ 1kHz1500 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.610" (15.50mm)-40°C ~ 85°C
HV0810-2R7105-R
HV0810-2R7105-R
CAP 1F -10% +30% 2.7V T/H
Eaton - Electronics Division
152 $1.24
HV Bulk Active1 F-10%, +30%2.7 V200mOhm @ 100Hz1000 Hrs @ 65°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.532" (13.50mm)-40°C ~ 65°C
DGH205Q2R7
DGH205Q2R7
CAPACITOR 2F -10% +30% 2.7V TH
Cornell Dubilier / Illinois Capacitor
590 $1.34
DGH Bulk Active2 F-10%, +30%2.7 V130mOhm @ 1kHz1500 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.610" (15.50mm)-40°C ~ 85°C
CPM3225A-2K
CPM3225A-2K
CAP 11.5MF 2.6V SMD
Seiko Instruments
81 $3.33
CPM Tape & Reel (TR) Active11.5 mF-2.6 V---Surface Mount1210 (3225 Metric)-0.126" L x 0.098" W (3.20mm x 2.50mm)0.039" (1.00mm)-
304DCN2R7SCBB
304DCN2R7SCBB
CAP 300MF -20%, +50% 2.7V T/H
Cornell Dubilier / Illinois Capacitor
38 $1.38
DCN Bulk Active300 mF-20%, +50%2.7 V1Ohm1000 Hrs @ 60°CPC PinsThrough HoleRadial, Can0.059" (1.50mm)0.157" Dia (4.00mm)0.492" (12.50mm)-40°C ~ 60°C
CPX3225A752D
CPX3225A752D
CAP 7.5MF 2.6V SURFACE MNT
Seiko Instruments
158 $3.31
CPX Tape & Reel (TR) Active7.5 mF-2.6 V25Ohm @ 1kHz-SMD (SMT) TabsSurface Mount1210 (3225 Metric)-0.126" L x 0.098" W (3.20mm x 2.50mm)0.035" (0.90mm)-30°C ~ 70°C
SCCR12B105PRB
SCCR12B105PRB
CAPACITOR 1F 0% +100% 2.7V T/H
KYOCERA AVX
356 $1.59
SCC Bulk Active1 F0%, +100%2.7 V150mOhm @ 1kHz1000 Hrs @ 60°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.551" (14.00mm)-40°C ~ 65°C
DGH305Q2R7
DGH305Q2R7
CAPACITOR 3F -10% +30% 2.7V TH
Cornell Dubilier / Illinois Capacitor
66 $1.63
DGH Bulk Active3 F-10%, +30%2.7 V80mOhm @ 1kHz1500 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.846" (21.50mm)-40°C ~ 85°C
DGH335Q2R7
DGH335Q2R7
CAPACITOR 3.3F -10% +30% 2.7V TH
Cornell Dubilier / Illinois Capacitor
547 $1.62
DGH Bulk Active3.3 F-10%, +30%2.7 V80mOhm @ 1kHz1500 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.846" (21.50mm)-40°C ~ 85°C
TPL-1.2/6X15F
TPL-1.2/6X15F
CAP 1.2F -10% +20% 2.7V T/H
Tecate Group
130 $1.75
TPL Bulk Active1.2 F-10%, +20%2.7 V330mOhm @ 1kHz1000 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.098" (2.50mm)0.248" Dia (6.30mm)0.650" (16.50mm)-40°C ~ 85°C
TPL-10/10X30F
TPL-10/10X30F
CAP 10F -10% +20% 2.7V T/H
Tecate Group
132 $1.83
TPL Bulk Active10 F-10%, +20%2.7 V60mOhm @ 1kHz1000 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.197" (5.00mm)0.394" Dia (10.00mm)1.240" (31.50mm)-40°C ~ 85°C
TPLH-2R7/12WR10X30
TPLH-2R7/12WR10X30
CAP 12F 2.7V THROUGH HOLE
Tecate Group
256 $1.80
TPLH-Radial Bulk Active12 F-2.7 V36mOhm @ 1kHz1500 Hrs @ 85°CPC PinsThrough HoleRadial, Can0.197" (5.00mm)0.394" Dia (10.00mm)1.260" (32.00mm)-40°C ~ 85°C
B0510-2R5224-R
B0510-2R5224-R
CAP 220MF -20% +80% 2.5V T/H
Eaton - Electronics Division
218 $3.43
B Bulk Active220 mF-20%, +80%2.5 V2Ohm @ 1kHz1000 Hrs @ 70°CPC PinsThrough HoleRadial, Can0.079" (2.00mm)0.217" Dia (5.50mm)0.472" (12.00mm)-25°C ~ 70°C
SCCR16E205PRB
SCCR16E205PRB
CAPACITOR 2F 0% +100% 3V T/H
KYOCERA AVX
55 $1.93
SCC Bulk Active2 F0%, +100%3 V100mOhm @ 1kHz1000 Hrs @ 60°CPC PinsThrough HoleRadial, Can0.138" (3.50mm)0.315" Dia (8.00mm)0.709" (18.00mm)-40°C ~ 65°C
FYD0H104ZF
FYD0H104ZF
CAP 100MF -20% +80% 5.5V T/H
KEMET
112 $1.97
FYD Bulk Active100 mF-20%, +80%5.5 V100Ohm @ 1kHz-PC PinsThrough HoleRadial, Can0.200" (5.08mm)0.512" Dia (13.00mm)0.335" (8.50mm)-25°C ~ 70°C

About Electric Double Layer Capacitors (EDLC), Supercapacitors

What are Electric Double Layer Capacitors (EDLC), Supercapacitors?

Electric Double Layer Capacitors (EDLC), Supercapacitors

Electric Double Layer Capacitors (EDLC), commonly known as supercapacitors, are advanced energy storage devices that bridge the gap between traditional capacitors and batteries. Unlike conventional capacitors that store energy electrostatically, EDLCs store energy through the formation of an electric double layer at the interface between the electrode and the electrolyte. This mechanism allows them to achieve higher energy densities than standard capacitors while maintaining rapid charge and discharge capabilities. Supercapacitors are characterized by their ability to deliver quick bursts of energy, making them ideal for applications requiring high power density.

Types of Electric Double Layer Capacitors (EDLC), Supercapacitors

Symmetric Supercapacitors

Symmetric supercapacitors utilize the same material for both electrodes, typically carbon-based materials. They are known for their high power density and long cycle life, making them suitable for applications where frequent charge and discharge cycles are required. However, they generally have lower energy densities compared to asymmetric types.

Asymmetric Supercapacitors

These supercapacitors use different materials for the positive and negative electrodes, often combining a carbon-based electrode with a battery-type electrode. This configuration allows for higher energy densities, making them suitable for applications where energy storage is prioritized over power delivery. They are often used in hybrid systems where both high energy and power densities are needed.

Pseudocapacitors

Pseudocapacitors store energy through fast and reversible redox reactions at the electrode surface. They offer higher energy densities than purely electrostatic EDLCs and are often used in applications requiring both high energy and power densities. The materials used in pseudocapacitors include transition metal oxides and conducting polymers.

How to choose Electric Double Layer Capacitors (EDLC), Supercapacitors?

When selecting supercapacitors, several key parameters should be considered:

  • Capacitance: Determines the amount of charge the supercapacitor can store. Higher capacitance is suitable for applications requiring more energy storage.
  • Voltage Rating: Ensure the voltage rating matches the application's requirements to prevent overvoltage damage.
  • Equivalent Series Resistance (ESR): Lower ESR values are preferable for applications requiring high power output.
  • Cycle Life: Consider the number of charge-discharge cycles the supercapacitor can endure without significant degradation.
  • Temperature Range: Evaluate the operating temperature range to ensure reliability under environmental conditions.

To assess product quality and reliability, review supplier certifications, customer reviews, and test reports. Consider environmental factors such as humidity and temperature, and ensure proper installation to prevent mechanical stress and electrical failures.

Applications of Electric Double Layer Capacitors (EDLC), Supercapacitors

Automotive Industry

In the automotive sector, supercapacitors are used for regenerative braking systems, providing quick energy bursts for acceleration and improving fuel efficiency. They are also employed in start-stop systems to reduce engine idling and emissions.

Renewable Energy Systems

Supercapacitors play a crucial role in renewable energy systems, such as wind and solar power, by smoothing out power fluctuations and storing excess energy for later use. They enhance grid stability and efficiency.

Consumer Electronics

In consumer electronics, supercapacitors are used in devices requiring rapid charge and discharge cycles, such as digital cameras, portable media players, and backup power supplies for memory protection.

Industrial Applications

Supercapacitors are utilized in industrial applications for power backup systems, ensuring uninterrupted operation of critical equipment during power outages. They are also used in cranes and forklifts for energy recovery and power delivery.

Public Transportation

In public transportation, supercapacitors are integrated into electric buses and trams to provide efficient energy storage and quick power delivery, reducing reliance on traditional batteries and improving energy efficiency.