50F 2.7V Super Capacitor

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About this product

Overview

Product overview

• Electric Double Layer (EDLC) Super Capacitor
• Quick charge and discharge provides energy fast
• Wide operating temperature -40 to 65°C
• Very low ESR and 2.7V rated voltage
• Design UPS, battery replacements or power back-up systems
• Applications include automotive, alternative energy, toys, wireless, LED lighting
• Can be configured in series and parallel to build higher voltage power arrays

Supercapacitor, also known as ultracapacitor, supercondenser, electric double layer capacitor (EDLC) or pseudocapacitor, is an electric capacitor that has an unusually high energy density when compared to common capacitors, typically on the order of thousands of times greater than a high capacity electrolytic capacitor

Compared to batteries, supercapacitors are capable of more than ten times the power and more than thousand times the cycle life. These are two main reasons why engineers choose them over batteries in different applications. Supercapacitors are proven energy storage devices that can replace conventional capacitors or batteries in many applications that require much more energy than what conventional capacitors are able to provide and that also require higher power outputs that batteries cannot provide

Rated 5 out of 5 by from I bought two 50F ones and connected in series. And they are pretty amazing. Firstly, I charged them to 4V from a Li-Ion battery and the thin cables I used got quite hot (low internal resistance, high charge current). Then I topped them up to 4.7V with a USB charger. Finally connected a 5V step up converter with a 200mW load and let it discharge. It worked for almost 20mins with a stable 5V on the dc/dc output. After feeling the hot cables I was very careful not to shorten anything.
Date published: 2014-11-11
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Can I use this with say a 1R 10W resistor to smooth the current from a high-impedance AC source via a bridge rectifier into a DC ammeter? What are the limits on dis/charge current and on ripple frequency? [Probably different for each capacitor size.]

Asked by: Dave
Please be assured, if you have any queries with regards to specific products from our stock, we will be more than happy to assist. However, it is important to note that as a retail only company we are unable to assist with any design projects or queries, or advise on specific products that may be required for your purpose if you do not currently have the design/circuit information detailing the value of the components needed.
Answered by: Russell
Date published: 2015-11-27
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