Suntan Tantalum Capacitor Series Introduction, Take a Look!!!

March 24, 2020 Views
Comments 0
Suntan Technology Company Limited
--All kinds of Capacitors

We'd like to recommend our Tantalum Capacitors for your reference.
 
*Dipped Tantalum Capacitor—TS19 : it can be widely used in TV sets, computers, program-controlled electronic telephone switching systems, telephones, instruments and meters.
*Chip Tantalum Capacitor (SMD)—TS20 : compatible with all popular “high volume” automatic pick and equipment
*Chip Tantalum Capacitor LOW ESR (SMD)—TS20L : for SMT electric board used for telecommunication camcorder and mobile phone set and so on.

 

TS19

TS20

TS20L

Operating temp.

-55°C to +125°C

-55 ~ +125°C

-55°C~+125°C

Capacitance range

0.047uF ~ 680uF

0.1uF~330uF

0.47uF~1000uF

Capacitance tolerance

±20%; ±10%; ±5%

±20%; ±10%

±20%; ±10%

 

Would like to know more details/information?  Contact us NOW at sales@suntan.com.hk / info@suntan.com.hk

Suntan Super Low ESR Conductive Polymer Chip Tantalum Capacitors - TS20S

February 26, 2020 Views
Comments 0

Suntan Technology Company Limited
--All kinds of Capacitors

A new-type coronavirus had caused the viral pneumonia in central China's Wuhan. In China, a large of factories has suspended production, but we have come back to office to provide demand for medical equipment.
Tantalum Capacitors - Polymer SMD are available at Suntan Technology Company. Suntan offers inventory, pricing, & datasheets for Super Low ESR Conductive Polymer Chip Tantalum Capacitors - TS20S.

Su Suntan SMD Multilayer Ceramic Capacitor

February 25, 2020 Views
Comments 0

Suntan Technology Company Limited

--All kinds of Capacitors

Dear Friends,

Suntan will resume to provide SMD Multilayer Ceramic Capacitor at the end of February. It is well known that MLCC has been in short supply for the past year, so if you have the request of them, you can send to us to arrange it in advance.

 

Su Suntan SMD Polymer Aluminum Solid Electrolytic Capacitor

December 31, 2019 Views
Comments 0

Suntan Technology Company Limited

--All kinds of Capacitors

Dear Customers:
 
A new SMD Polymer Aluminum Solid Electrolytic Capacitor has been developed by us recently, the main futures of this product is with Low ESR and High ripple current, for more details you can check from our datasheet link: http://www.suntan.com.hk/pdf/Aluminum-Electrolytic-Capacitors/TS13CP.pdf

Su Suntan Introduce What is Farad

March 10, 2009 Views
Comments 0

Suntan Technology Company Limited
---All kinds of Capacitors

A capacitor's storage potential, or capacitance, is measured in units called farads. A 1-farad capacitor can store one coulomb (coo-lomb) of charge at 1 volt. A coulomb is 6.25e18 (6.25 * 10^18, or 6.25 billion billion) electrons. One amp represents a rate of electron flow of 1 coulomb of electrons per second, so a 1-farad capacitor can hold 1 amp-second of electrons at 1 volt.

A 1-farad capacitor would typically be pretty big. It might be as big as a can of tuna or a 1-liter soda bottle, depending on the voltage it can handle. For this reason, capacitors are typically measured in microfarads (millionths of a farad).

To get some perspective on how big a farad is, think about this:

  • A standard alkaline AA battery holds about 2.8 amp-hours.
  • That means that a AA battery can produce 2.8 amps for an hour at 1.5 volts (about 4.2 watt-hours -- a AA battery can light a 4-watt bulb for a little more than an hour).
  • Let's call it 1 volt to make the math easier. To store one AA battery's energy in a capacitor, you would need 3,600 * 2.8 = 10,080 farads to hold it, because an amp-hour is 3,600 amp-seconds.

If it takes something the size of a can of tuna to hold a farad, then 10,080 farads is going to take up a LOT more space than a single AA battery! Obviously, it's impractical to use capacitors to store any significant amount of power unless you do it at a high voltage.

Applications

The difference between a capacitor and a battery is that a capacitor can dump its entire charge in a tiny fraction of a second, where a battery would take minutes to completely discharge. That's why the electronic flash on a camera uses a capacitor -- the battery charges up the flash's capacitor over several seconds, and then the capacitor dumps the full charge into the flash tube almost instantly. This can make a large, charged capacitor extremely dangerous -- flash units and TVs have warnings about opening them up for this reason. They contain big capacitors that can, potentially, kill you with the charge they contain.

Capacitors are used in several different ways in electronic circuits:

  • Sometimes, capacitors are used to store charge for high-speed use. That's what a flash does. Big lasers use this technique as well to get very bright, instantaneous flashes.
  • Capacitors can also eliminate ripples. If a line carrying DC voltage has ripples or spikes in it, a big capacitor can even out the voltage by absorbing the peaks and filling in the valleys.
  • A capacitor can block DC voltage. If you hook a small capacitor to a battery, then no current will flow between the poles of the battery once the capacitor charges. However, any alternating current (AC) signal flows through a capacitor unimpeded. That's because the capacitor will charge and discharge as the alternating current fluctuates, making it appear that the alternating current is flowing.

In the next section, we'll look at the history of the capacitor and how some of the most brilliant minds contributed to its progress.

Su Suntan Tiny Capacitors May Overcome Physical Limits of Hard Drives

February 7, 2009 Views
Comments 0

Storage—there is never enough of it. I still remember when I thought my 700MB hard drive was huge... until I tried to copy an entire CD onto it for faster access. After that, I spent a period stuck choosing music to stick on my three GB hard drive. Two weeks ago, I ditched six months' worth of simulation data because my 320GB hard drive was full. One TB of new drive later, and I'm wondering how soon it will be before I start feeling the squeeze again. Maybe never, if some of the latest research coming out of Korea and Germany bears fruit.

One of the cool things about hard drive technology is how it has actually kept pace with computer needs. The basic mechanism for hard drive storage, however, does have some fundamental limitations, which manufacturers will have to deal with fairly soon. Bits are currently stored in the orientation of tiny magnets, called ferromagnetic domains, on a hard drive platter. The smaller the domain, the easier it is for that orientation to be scrambled by temperature or stray electromagnetic fields. At a certain size, thermal photons (e.g., heat energy from the surrounding case or the underlying disk) have enough energy to flip a domain's orientation. Manufacturers will have to keep their domain sizes significantly bigger than that threshold size to ensure data integrity, which puts a ceiling on storage density, one we're rapidly approaching.

An alternative is to use ferroelectric domains. Unlike ferromagnetic domains, ferroelectric domains have a natural electric field with an orientation that can be used to represent data. Until recently, these haven't looked that attractive because they have pretty much the same limitations that ferromagnetic domains have, but they lack the cool read-out tricks. Ferroelectric materials, however, do have one big advantage over ferromagnetic materials: they can be used to make really good capacitors. This is exactly what the latest research, published in Nature Nanotechnology, is about.

分页:[«]1[»]