jb Tell You How to Test A Capacitor with An Ohmeter

You can use your multimeter as an ohmmeter to test the capacitor.

1) Discharge the capacitor by shortening its leads. that is - use a wire and connect the leads of the capacitor together. this will discharge it.
2) Put your multimeter in the high ranges 10k-1m
3) Connect multimeter to capacitor leads(observe the polarity if electrolytic). at soon as the leads make contact, the meter will swing near zero. it will then move slowly toward infinity. finally the meter would come to be infinite ohms because the capacitor is being charged by the battery of the multimeter.
4) If the capacitor is bad, it will go to zero ohms and remain there. this is called a shortened capacitor
5) In the case of an open capacitor there will be no ohmmeter indication.
6) Some capacitors have a low dielectric leakage. you will know this if the ohmmeter comes to rest at a point lower than infinite. test a known good capacitor of the same type to be sure.

This test works for large capacitors. Tiny capacitors can only be checked with a capacitance meter, or by using them in an AC circuit and checking for variation from calculated voltage drop.
Pls. focus on jb most strong series:  JFB--MKT (Metallized Polyester ) Film Capacitors &JFV--X2 MKP (Metallized Polypropylene) Film Capacitors.

jb Capacitors Strong Products:

JFA--Mylar polyester film capacitors
JFB--Metallized polyester film capacitors
JFL--Metallized polypropylene film capacitors
JFG--Axial lead film capacitor
JFV--X2 275VAC met polypropylene film capacitors
JFZ--X2 310VAC met polypropylene film capacitors
JFP--High voltage metallized polypropylene cap
JFQ--Double sided metallized polypropylene cap
JFS--Motor Running capacitors
JFX--Premium metallized polypropylene Cap
JSX--Superior metallized polypropylene Cap
JCS--85°C SMD electrolytic capacitor
JCK--105°C SMD electrolytic capacitor
JRA--85°C Radial Aluminum Electrolytic Capacitor
JRB--105°C Radial Aluminum Electrolytic Capacitor

jb What is a Capacitor ?

A capacitor is a small device that can be charged up with electrical energy, store it and then release it. Just like a rechargeable battery. But unlike a battery, it does not use a chemical reaction and it can only hold a very small charge. A very large capacitor can only light up an LED for a few seconds. They come in many shapes and sizes and a few are shown below. The bigger the capacitor, the more charge it will hold. Capacitor is made from two metal plates or metal foils separated by an insulator called a Dielectric material.

The Dielectric materials can be made from Ceramic, Mica, Polypropylene, Polyester, Electrolytic, Tantalum and even air.

The larger capacitors look like tubes, this is because the metal foil plates are rolled up with an insulating dielectric material sandwiched in between.

The value of capacitance is determined by

1.The size of the plates,

2.The distance between them,

3.The type of dilectric material used.

jb capacitors company are professional in all kinds of capacitors ,such as Plastic Film Capacitors ,Aluminum Electrolytic Capacitors,SMD Aluminum Electrolytic Capacitors ,Metallized Polyester CapacitorsMetallized Polypropylene CapacitorsSMD E Cap and etc.Any questions ,please don't hestate to contact us.

jb capacitors company, just your best choice!

jb JFV X2 Film Capacitors Special Competitive Offer During October ~ December

jb capacitors company is a professional ISO factory. Produce MKT MKP Film capacitors since 1980.

During October to December, jb capacitors company mainly promote JFV series X2 film capacitors. We have very special discount for JFV X2 film capacitors during this time.

So, if you have any order plan or forecast for 2012 recently, pls. feel free to send to us for quote, you will receive satisfied prices. 

JFV-X2 Metallized Polypropylene Film capacitors

1.Non-Inductive, (UL940V-0) plastic case sealed with epoxy resin.
2.Provides interference suppression with UL,CE & TUV approvals
3.High dv/dt capabilities.

1. Operating temperature: -40C'~+100C'
2. Voltage Rating: 275VAC
3.Capacitance Range: 0.001uF ~ 2.2uF
4.Capacitance tolerance: +/-10%

Cross Reference:
Epcos : B81130, Vishay MKP3362, MKP3382, Arcotronics(Kemet) R46, Wima MP3 X2, Philkor: PCX2 335, 337

Main applications:
Electronic ballast, LED driver, Amplifier, controller device, power supply, meters, white goods etc..

jb capacitors advantage:
Competitive price, short lead time, reliable & stable quality, the best customer service
If have regular X2 orders, we can specially keep stock for you.
Pls. kindly contact info@jbcapacitors.com for any details.

jb Capacitors Car Audio Capacitor

Many car audio enthusiasts ask about the importance of car audio capacitors to their overall car audio performance. If you have a high powered system or your amplifier doesn't get enough power, probably you need a capacitor. Making sure you have a capacitor installed will prevent any damages to your amp and other audio components.

What is the main role of a car audio capacitor?

Unlike automobile batteries, the main function of an audio capacitor is to store energy. This stored power will be used on demand (when your amp needs it). This will ensure that your audio system is being used to its maximum capability.

How do I know that I need an audio capacitor?

The first thing you will notice is dimming lights. The light will get weaker each time a heavy bass note sounds. If you installed the right capacitor, your audio system would have received the right amount of power needed.

What type of a car audio capacitor should I buy?

Depending on your system, but generally speaking:

- For mid-level systems (1000 watts maximum), you need a 1 Farad capacitor.
- For 1000 - 2000 watt systems, you need to get 1.1 to 1.9 Farad capacitor.
- For 2000 - 3000 watt systems, you need 2 to 2.9 Farad capacitor.
- For high power (over 5000 watt) systems, you need 5+ Farad capacitor

jb capacitors company have JFX audio capacitor, welcome your inquiry. More information please visit:

jb Capacitors JFV X2 Metallized Polypropylene Film Capacitors Stock Samples Avaliable

jb capacitors company is a professional manufacturer, produce film capacitors for more than 31 years.

X2 film capacitors is our best seller, price is very competitive, lead time is very short!

Now we have below stock samples, are you interested in? Welcome to send me your inquiry for quotation and ask for samples.

Cross Reference: Epcos B81130, Vishay MKP3362, Arcotronic R46, Panasonic ECQU, Philkor PCX2 335, Wima MKP 3 ...

JFV-X2 Metallized Polypropylene Film Capacitor

  • 0.1uF 275VAC +/-10% P:10mm Bulk RoHS
  • 0.1uF 275VAC +/-10% P:15mm Bulk RoHS
  • 0.068uF 275VAC +/-10% P:15mm Bulk RoHS
  • 0.022uF 275VAC +/-10% P:10mm Bulk RoHS
  • 0.15uF 275VAC +/-10% P:15mm Bulk RoHS
  • 0.22uF 275VAC +/-10% P:22.5mm Bulk RoHS
  • 0.33uF 275VAC +/-10% P:22.5mm Bulk RoHS
  • 0.47uF 275VAC+/-10% P:22.5mm Bulk RoHS
  • 0.68uF 275VAC +/-10% P:22.5mm Bulk RoHS
  • 1uF 275VAC +/-10% P:22.5mm Bulk RoHS
  • 2.2uF 275VAC +/-10% P:27.5mm Bulk RoHS

Looking forward to your reply, you can also send mail to us info@jbcapacitors.com.

jb ich betreue unsere Kunden in Deutschland

Sie sind auf der Suche nach einem exzelentem und zuverlässigen ondensatorhersteller in China?

Dann können wir von jb Capacitors helfen!

Mein Name ist Chaney und ich betreue unsere Kunden in Deutschland.

Unser Lieferprogramm:
JFA-Mylar Polyester Film Kondensator (CL-11)
JFB-Metall Polyester Film Kondensator (CL-21)
JFE-Mini Metall Polyester Film Kondensator (CL-21X)
JFD-Box Type Metall Polyester Film Kondensator (CL-23)
JFG-Axial Metall Polyester & Polypropylene Film Kondensator
JFL-Metall Polypropylen Film Kondensator (CBB-21)
JFV-X2 Metall Polypropylen Film Kondensator, with safety approvals
JFP-High Voltage Metall Polypropylen Film Kondensator (CBB81)
JCS-SMD Typ Aluminum Electrolyt Kondensator, 85C, 2000H
JCK-SMD Typ Aluminum Electrolyt Kondensator, 105C, 1000H

Wir garantieren:
Qualität, ISO9001 : 2000 Zertifizierung seit 1980 (!)
Erfahrung im Kondensatorbau seit über 30 Jahren
Pünktliche Lieferung innerhalb von 5 bis 7 Wochen
Beste Verpackung nach deutschen Qualitätsansprüchen
Beste Technologie aus Taiwan und Hongkong
Internationale Safety – Standards cUL, CSA, VDE, GS etc
Unschlagbares Preis/ Leistungsverhältnis, Kein Zwischenhandel

Ich freue mich auf Ihre Anfrage - Sie erhalten umgehend unser Angebot.
Für weitere Informationen stehe ich Ihnen jederzeit gerne zur Verfügung.
Sie erreichen mich persönlich zu Ihren gewohnten deutschen Geschäftszeiten.

Mit herzlichen Grüßen nach Deutschland
Chaney ( info@jbcapacitors.com)

jb High Voltage Film Capacitors

jb Capacitors Company is ISO 9001:2000 certificated factory, produce full series of Polyester, 
polyproylene and Polystyrene Film Capacitors since 1980.

Including high voltage film capacitors as below:

JFA--Mylar polyester film capacitors, offer 1000V, 1250V

JFP--High Voltage Met Polypropylene Film Capacitors, offer 1000V, 1250V, 1600V, 2000V

JFQ--Double sided Box Type Met Polypropylene Film Capacitors, offer 1000V ~2500V

Pls. visit our website www.jbcapacitors.com for more details. Welcome to send me part numbers or 
inquiry to cross.

jb Capacitors Company


Sales Department
Skype: jbcapacitors
MSN: jbcapacitors@hotmail.com
Email: info@jbcapacitors.com

jb Standard SMD Aluminum Electrolytic Capacitor

Keywords: SMD Aluminum, Electrolytic capacitor, Chip Electrolytic Capacitors, Surface Mount Electrolytic Capacitors Nichicon, Panasonic, Rubycon, Panasoic ,capacitor, MKT MKP etc..

jb capacitors company strongly recommend SMD standard type Aluminum electrolytic capacitors.

Our factory not only professional at MKT MKP Film capacitors, but also professional at manufacturing SMD aluminum electrolytic capacitors. We focus on standard type, can offfer many equivalents of big brands, such as Nichicon, Rubycon, Panasonic, Epcos, Arcotronics(Kemet), Sanyo etc...

We produce standard JCS & JCK, I.E. 2000hours at 85C' & 1000hours at 105C', see below our photo and size, welcome you send us inquiry.

case size(DxL):4x5.4~5.8mm, 5x5.4~5.8mm, 6.3x5.4~5.8mm, 6.3x7.7mm, 8x10.5mm, 10x10.5mm

jb condensateur--composant électronique

Si vous êtes spécialisés en composant électronique et vous avez les demandes en condensateur, si vous êtes un distributeur qui cherche les condensateur pour votre client, si vous êtes un fabricant et vous cherchez un condensateur pour soutenir vos projets, vous pouvez cliquer ici 
www.jbcapacitors.hk et découvrir jb capacitors.

Vous allez trouver jb capacitors est très fort en toutes les séries de MKT,MKP Films condensateur, JFV-X2 Métallisé, Polypropylène Films condensateur, et JFB sont les meilleurs ventes, et maintenant jb capacitors peut même offrir la série de JFQ, cette série est cessé l’année dernière a cause du manque de matière.

La série de JFQ est haute terminal Films condensateur en Chine, double faces Métallisé, Polypropylène Films condensateur, peu de fournisseur peut le fabriquer. Mais nous pouvons vous l’offrir avec un court délais de 5-6 semaines.

Type boîte avec tres petite taille et haute rayon de voltage et large rayon de capacité, il peut remplacer certain Epcos, Evox, Arcotronics Films condensateur.

A part des différents type de condensateurs, nous somme aussi professionnel pour large can électronique aluminium Condensateurs, Snap-in, Screw, Lug type, SMD type standard. Nous attendons une l’occasion de vous présenter notre devis compétitive avec bon prix, court délais et haute qualités.

jb конденсатор ( аналог K73-17, CL21 & X2 )

Below is content: 
Тема: Ваш адрес доставки

Уважаемые дамы и господа!

Как Ваши дела?

Сообщите мне, пожалуйста, Ваш адрес доставки или e-mail Вашего отдела закупок.

Меня зовут Дена, я с компании JB Capacitor. Наше предприятие с 1980 года производит пленочные конденсаторы, конденсаторы с большой емкостью с резьбовыми выводами и Snap-In,
электролитические алюминиевые SMD. Наша продукция широко продвигается по всему миру, и пользуется спросом, благодаря высокому качеству и низкой цене.
Я искренне верю в наше с Вами плодотворное сотрудничество. Позвольте мне представить цены на некоторые наши самые ходовые позиции.

JFV – X2 металлизированный полипропиленовый пленочный конденсатор, имеет сертификаты качества UL, TUV, CE – внутренний сертификат безопасности.
Срок производства: 5~6 недель, многие позиции на складе
Аналоги Panasonic ECQU, Arcotronics R46, Vishay MKP3382, Epcos B81130

JFB – металлизированный полипропиленовый пленочный конденсатор (аналог K73-17, CL21)
Срок производства: 5~6 недель
Аналоги Vishay MKT468, Epcos B32591~32594, Panasonic ECQV, Pilkor PCMT369

JFA – Полистирольные пленочные конденсаторы (CL-11)
JFB – Металлизированные пленочные конденсаторы (CL-21)
JFE – Миниатюрные металлизированные пленочные конденсаторы (CL-21X)
JFD – Металлизированные пленочные конденсаторы в прямоугольном корпусе (CL23)
JFG – Аксиальные металлопленочные и полипропиленовые конденсаторы
JFL – Металлизированные полипропиленовые конденсаторы CBB-21
JFO – <Class X2> Помехоподавляющие полипропиленовые конденсаторы
JFP – Высоковольтные полипропиленовые конденсаторы (CBB81)
JCS – SMD алюминиевые электролитические конденсаторы, 2000h , 85C
JCK – SMD алюминиевые электролитические конденсаторы,. 1000h , 105C

jb Capacitors Company