jbcapacitors blog

The motor capacitors is widely used as the starting and running of AC single-phase synchronism motor at 50Hz/60Hz frequency power.
jb Capacitors are manufacturing full line of motor starting capacitors, with 28 different types, including CBB60, CBB61, CBB65 motor capacitors. With their good characteristic of self-healing and long life-span, our motor capacitors are extensively applied in motors,air conditioners,water pumps,compressors and refrigerators etc.

The JFS series motor capacitors operating voltage is fixed at 250VAC, 450VAC. And have wide capacitance range:1uF~100uF. 
The operation condition: -25'C~+70'C. The standard capacitance tolerance: ±5%,  ±10%. 

For more information of motor capacitors, please check the below link:
http://www.jbcapacitors.com/Plastic-Film-Capacitors/JFS-Motor-Capacitor.html
http://www.jbcapacitors.com/pdf/JFS-Motor-Capacitor.pdf

Sometimes, customer will be confused by the so-called "outer foil" or the "inner foil"of our audio capacitors.
Today we would like to tell you more about this point. I am sure you will understand by below customers explanation.

" I have all my JFX caps soldered in at the moment, but plan to try some Jensen caps in place o them, so i will try to do the test as well. 
With a sensitive millivolt AC meter i think you could see the difference just by connecting it one way and touching the cap. 

The induced mains hum will be higher when the outermost foil is connected to the anode of the meter(maybe).

I think more and more that this is an example of "audiophile", which means that people searcing for better and better sound, and not always exactly knowing the technical aspects of it, they will assume one way is better because another cap manufacturer said so.

I feel that the JFX is a solid performer in either direction used(after all it is a bipolar cap as you stated), and i feel that the price/performance ratio is excellent."

When we ask our customers the reason why they want to change supplier, most of their answer is looking for better quality. 

Some customers bought from distributors before with uneven quality, some imported from inferior manufacturers with very low price. But finally they wants higher quality and turn to us. 

jb Capacitors Company has over 35 years production history, high quality were approved even by ABB, Linak, Bosch, Philips....
You can obtain cost-effective capacitors with High Quality & Reasonable Price here.

Stay with us, you will be pleased with our quality, professional and excellent service! 

As a marketing manager in jb capacitors for 6 years, I have witnessed the development of our company in the past years.
The biggest success in year 2015 is that we achieved a " Zero Tolerance" for Quality Defects.

This impressive result cannot be accomplished without jb hard working members, especially Quality and Engineer Departments.
Besides this, we also provide technical assistance to all of our jb capacitors customers. Our expertise are highly praised by customers.
We are not only selling products, we are bringing you satisfying user experience and quality assurance.

In year 2016, we will pursue higher standard both in quality and service. We are just your best choice.

An electrolytic capacitor is a type of capacitor that uses an electrolyte to achieve a larger capacitance than other capacitor types. An electrolyte is a liquid or gel containing a high concentration of ions. 
Almost all electrolytic capacitors are polarized, which means that the voltage on the positive terminal must always be greater than the voltage on the negative terminal. 
The benefit of large capacitance in electrolytic capacitors comes with several drawbacks as well. 
Among these drawbacks are large leakage currents, value tolerances, equivalent series resistance and a limited lifetime. 

Electrolytic capacitors can be either wet-electrolyte or solid polymer. They are commonly made of tantalum or aluminum, although other materials may be used. 
Super capacitors are a special subtype of electrolytic capacitors, also called double-layer electrolytic capacitors, with capacitances of hundreds and thousands of farads.  

This article will be based on aluminum electrolytic capacitors. These have a typical capacitance between 1µF to 47µF and an operating voltage of up to a few hundred volts DC. 
Aluminum electrolytic capacitors are found in many applications such as power supplies, computer motherboards and many domestic appliances. Since they are polarized, they may be used only in DC circuits.

Read more information please check our company website: http://www.jbcapacitors.com/Aluminum-Electrolytic-Capacitors/

From jb Capacitors Company sales department

Good news to announce that we updated jb Radial Electrolytic Capacitors RoHS 2.0 report at the early of 2016.
The goods we supply are with RoHS compliant and lead free.

Radial Aluminum Electrolytic Capacitors include below series, other specification available on request.

JRA - 2000H at 85°C, Radial Aluminum Electrolytic Capacitors (Hot)
JRB - 2000H at 105°C, Radial Aluminum Electrolytic Capacitors(Hot)
JRC - 2000H at 105°C, Radial Aluminum Electrolytic Capacitors
JRD - 5000H at 105°C, Radial Aluminum Electrolytic Capacitors
JRG - 10000H at 105°C, Radial Aluminum Electrolytic Capacitors

More information please check below link:
http://www.jbcapacitors.com/pdf/jb-Radial-Electrolytic-Capacitors-Leaflet.pdf

How are you? Let start our new lessons in the new year. Do you know what is Film capacitors? 

Film capacitors, plastic film capacitors, film dielectric capacitors, generically called “Film Capacitors”, are electrical capacitors with an insulating plastic film as the dielectric, sometimes combined with paper as carrier of the electrodes. 

The dielectric films, depending on the desired dielectric strength, are drawn in a special process to an extremely thin thickness, and are then provided with electrodes. 
The electrodes of film capacitors may be metallized aluminum or zinc applied directly to the surface of the plastic film, or a separate metallic foil overlying the film. 

Two of these conductive layers are wound into a cylinder shaped winding, usually flattened to reduce mounting space requirements on a printed circuit board, or layered as multiple single layers stacked together, to form a capacitor body. 

Our company produce full series of  Film capacitors Top quality in china, such as raw material: 
Polyester (MKT), Polypropylene (MKP), polystyrene... 
Welcome to visit our website http://www.jbcapacitors.com/Plastic-Film-Capacitors/ for more information, thank you.

From jb Capacitors Company Sales team

Prezados Senhores, Bom dia!
Eu sou um gerente de Vendas da Empresa JB capacitores. Ha hum ritmo atras enviei e-mails alguns ... Voce lembra da Nossa Empresa? 

A JB capacitores E hum Fabricante com Certificado ISO, Que produz e vende DESDE 1980 Mais de 22 Tipos de capacitores Filme plastico MKT, MKP ...
ESTAMOS localizados los HK e Taiwan com Tecnologia avancada e vendemos Qualidade com precos atrativos.

Aqui eu recomendo que voce a nossa serie mais forte - JFZ X2 capacitores de filme metalizado polyproylene, temos aprovacoes ENEC VDE UL, muito popular no mercado e aproveitar repuation bom no mercado, por favor, confira abaixo nosso guia cruz e imagem, por favor envie o seu lista de pedido de orcamento! Amostras gratis tambem estavam disponiveis!

Kindly Attention: JFZ series have ENEC VDE UL for 310VAC, prices are very attractive, even equal to other brand 275VAC,welcome request.

jb Capacitors manufactures Axial Metallized Polyester &Polypropylene Film Capacitor. 
JFG includes 4 sub series, there are typically two outline types. 
Mainly used in instruments and the DC &AC circuit of the household equipment and the fractional frequency circuit of acoustics system.

JFGA Axial Metallized Polyester Film Capacitor (CYCLOIDAL)
JFGB Axial Metallized Polyester Film Capacitor (FLAT OVAL SHAPE)
JFGC Axial Metallized Polypropylene Film Capacitor (CYCLOIDAL)
JFGD Axial Metallized Polypropylene Film Capacitor (FLAT OVAL SHAPE)

More information please check below link:
http://www.jbcapacitors.com/Plastic-Film-Capacitors/JFG-Axial-Metallized-Polyester-Polypropylene-Film-Capacitor.html

More information please check below link:
http://www.jbcapacitors.com/Aluminum-Electrolytic-Capacitors/JNC-2000H-at-85-Snap-in-Aluminum-Electrolytic-Capacitor.html
http://www.jbcapacitors.com/Aluminum-Electrolytic-Capacitors/JNE-Snap-in-105-Miniaturized-Aluminum-Electrolytic-Capacitor.html