Welcome to the YEG Components Ultracapacitor website
Young Electronics Group is a specialist electronic components distributor offering a wide range of components and manufacturing services to OEM's and CEM's.
One of our specialist areas is with ultracapacitors and we have been an authorised distributor for Maxwell, the leading Ultracapacitor manufacturer, since 2003. We assist our customers to develop energy storage systems based on the application of Maxwell’s Ultracapacitors (Electric Double Layer Capacitor).
If you have an application in the UK which might benefit from Ultracapacitors we are your first and most cost effective port of call. Our application experience and expertise covers a wide range of solutions for heavy transportation, rail, medical, renewable energies, automotive, aerospace and many more. We can advise you how to select and apply the right Ultracapacitor solution for your specific application, including how it will integrate into your whole project solution.
Maxwell Range
PC Series |
HC Series |
BC Series |
56 Volt UPS |
Modules |
K2 Series |
Applications |
The PC Series features
- Over 500,000 duty cycles
- 10 year life capability
- Higher energy vs. electrolytic
- Higher power vs. batteries
- Hermetically sealed, stainless steel construction
- Low profile prismatic design
- UL Recognized
The HC Series features
- Ultra-low internal resistance
- Two pin radial lead
- Resistant against reverse polarity
- 500,000 cycles
- 10 year life capability
- Proprietary material science and packaging technology
The BC Series features
- Dimensions similar to EN 60086-2 & EN 60285
- Over 500,000 duty cycles
- 10 year life capability
- Higher energy vs electrolytic
- Higher power vs batteries
- Aluminum construction
- Round, double ended design
- Ultra-low internal resistance
- Resistant against reverse polarity
- UL recognized
- RoHS Compliant
The K2 Series features
- 2.7 Volt Operating Voltage
- Ultra low internal resistance
- Highest power performance available
- Over 1 million duty cycles
- Lowest RC time constant
- Threaded terminal or weldable post versions
YEG offer a wide range of modules from 15v to 125v. Click here for more information and specs.
Accessories feature
- Simple design and assembly
- Maximize systems lifetime by protecting individual cells against over voltage during rated system use.
The newest products avalible from YEG Components Ultrapactiors.
Ultracapacitor based energy storage and peak power solutions are key for countless industrial applications, where they store, bridge, deliver, ensure and smooth power and energy needs. Click here for more information.
The 56v Module features
- Standard rackmount configurations
- 14 year lifetime (8 years at 40° C)
- 56V operating voltage, series up to 750V
- Up to 10KW in a half rack, 4U module




