jb JFQF Series: Reliable Polypropylene Film Capacitors

When it comes to reliable AC filtering, not all capacitors are created equal. The jb® JFQF series stands out with its high stability, low ESR, and strong EMI suppression capability—making it an excellent choice for engineers working on UPS systems, solar inverters, and other AC power applications.

This series uses metallized polypropylene film, a material known for durability and self-healing behavior, and offers wide voltage options, including 250VAC, 275VAC, and up to 480VAC.

Whether you're designing a compact power converter or upgrading your AC output filter, JFQF capacitors can deliver the long-term performance and thermal reliability your design demands.

Designed with Practical Use in Mind

Feature	Benefit
Self-healing polypropylene film	Improved lifespan under voltage stress
Low ESR and high ripple capability	Reliable performance in high-frequency switching
Compact, epoxy-filled casing	Space-saving design with thermal protection

Download datasheet and review specs →
View JFQF Product Page

Contact Us

Email: info@jbcapacitors.com
Website: www.jbcapacitors.com

Experience unparalleled performance and reliability with jb cutting-edge Film Capacitors.

Designed to elevate your electronic devices to the next level. Our capacitors boast superior dielectric strength, exceptional thermal stability, and outstanding electrical insulation, making them the perfect choice for high-frequency and high-stability applications. With a wide range of sizes and specifications, our film capacitors are versatile enough for any project, from power supplies and lighting systems to audio equipment and beyond.

Our bestseller:
 JFB - Metallized Polyester Film Capacitor
 JFL - Metallized Polypropylene Film Capacitor
 JFW - X2 Metallized Polypropylene Film Capacitor (310VAC)
 JFWT - X2 Met Polypropylene Film Capacitor - Temperature Humidity Bias (THB) Series

Catalog for Film Capacitors:
https://www.jbcapacitors.com/Plastic-Film-Capacitors/

Embrace the future of electronics with our film capacitors, where durability meets cutting-edge technology for an unmatched user experience.

Contact us at info@jbcapacitors.com today to learn more!

jb Capacitors Company Limited Class X2 film capacitors

 jb MPX/MKP Class X2-MPX Safety Standard Capacitor is mainly used for power input L/N dredging for EMI suppression, and the input port used in parallel.

The most common use of the JFW AC-Capacitors Suppression Capacitors Class X2 AC 310V is anti-electromagnetic interference, suitable for high frequency,DC, AC, coupled, cross-pulse circuit, for example white goods, home appliance etc.

In addition, jb JFW Safety Film Capacitors can withstand the impact of overpressure, and it also has excellent capabilities of flame resistance and moisture resistance.

Compare with other capacitors, JFW Radial Class X2 310VAC Capacitor is very stable, it is less affected by the voltage.

JFW monthly output is about 20KKpcs per month now, and delivery time is about 4~5 weeks.

jb offer Mini box MKT Film capacitors

 We produce very competitive prices for Mini box MKT film capacitors, pitch size 5mm, pls. kindly send your request to us:

JFF - Mini Box Metallized Polyester Film Capacitor Features

Miniature size, Non-inductive metal structure

High temperature wax sealed, good insulation performance

Moisture-proof, flame retardant

Low dissipation factor.

Good self-healing effect, good stability and reliability.

Widely used in various DC and impulse circuits, such as communication equipment, radio, TV, VCD and other electronic equipment.

jb Capacitors Class X2 film capacitors

 jb MPX/MKP Class X2-MPX Safety Standard Capacitor is mainly used for power input L/N dredging for EMI suppression, and the input port used in parallel.

The most common use of the JFW AC-Capacitors Suppression Capacitors Class X2 AC 310V is anti-electromagnetic interference, suitable for high frequency,DC, AC, coupled, cross-pulse circuit, for example white goods, home appliance etc.

In addition, jb JFW Safety Film Capacitors can withstand the impact of overpressure, and it also has excellent capabilities of flame resistance and moisture resistance.

Compare with other capacitors, JFW Radial Class X2 310VAC Capacitor is very stable, it is less affected by the voltage.

JFW monthly output is about 20KKpcs per month now, and delivery time is about 4~5 weeks.

jb High-end Audio Capacitors For Audio Equipment

 We not only produce normal capacitors, also have good reputation in making audio capacitors.

They got lots of test reviews from professional experts. Our quality is excellent but the price is inexpensive.

We can also provide you a few samples to let you test.

Please let us know your usual demand. We can suggest you to find our products as a substitution.

You will be amazed of our products.

Audio Film Capacitors

JFG - Axial Metallized Polyester & Polypropylene Film Capacitor

JFX - Premium Metallized Polypropylene Film Capacitors – Axial

JSX - Superior Metallized Polypropylene Film Capacitors – Axial

JPX - Supreme Metallized Polypropylene Film Capacitors – Axial

JLX - Luxury Aluminum Foil and Film Metallized Polypropylene Capacitors Axial

JMX - Music Aluminum Foil and Film Metallized Polypropylene Capacitors Axial

JGX - Gold Copper Tube and Film Metallized Polypropylene Capacitors Axial

Audio Aluminum Electrolytic Capacitors

JAC - 1000H 105°C, DF at Max 4% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAD - 1000H 105°C, DF at Max 5% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAE - 1000H 105°C, DF at Max 10% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAF - 1000H 105°C, DF at Max 10% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAJ - Non-Polar AXIAL 1KHZ DF at Max 10%, 50V-100V -40°C ~ +105°C for Loudspeaker

JAK - Non-Polar AXIAL 1KHZ DF at Max 10%, 50V-100V -40°C ~ +105°C for Loudspeaker

JAL - Bi-Polar Aluminum E-Caps for Loudspeaker

jb Metallized Polyester Film Capacitor

One of our best-selling series- JFB Metallized Polyester Film Capacitor. The item with high quality products, short lead time and competitive price. Could be used in power supplies, electronic ballasts and so on. Please feel free to send us RFQs: info@jbcapacitors.com

Features:
1. Non-inductive, extended foil, dip coated, high moisture resistance.
2. Good reputation in use with filtering, DC blocking coupling and general communication equipment.
3. High reliable with its Self-Healing performance.
4. Coated with epoxy resin for superior heat resistance, humidity resistance and solvent resistance.

#jb #capacitors #Polyester #Film #quality

 jb-Wide choice of audio capacitors from jb Capacitors Company

Our audio capacitor has great reputation in the market. We also have wide choice to meet our customers demand.

They are able to be used for high end audio applications such as loudspeakers, amplifiers, coupling, power supply, etc.

The sound effect is very good, most important is our prices are very competitive and MOQ is flexible!

Please visit our website: www.audiocap.hk for more our products information.

Audio Film Capacitors

JFG - Axial Metallized Polyester & Polypropylene Film Capacitor

JFX - Premium Metallized Polypropylene Film Capacitors – Axial

JSX - Superior Metallized Polypropylene Film Capacitors – Axial

JPX - Supreme Metallized Polypropylene Film Capacitors – Axial

JLX - Luxury Aluminum Foil and Film Metallized Polypropylene Capacitors Axial

JMX - Music Aluminum Foil and Film Metallized Polypropylene Capacitors Axial

JGX - Gold Copper Tube and Film Metallized Polypropylene Capacitors Axial

Audio Aluminum Electrolytic Capacitors

JAC - 1000H 105°C, DF at Max 4% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAD - 1000H 105°C, DF at Max 5% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAE - 1000H 105°C, DF at Max 10% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAF - 1000H 105°C, DF at Max 10% BP Axial Aluminum Electrolytic Capacitors for Audio System

JAJ - Non-Polar AXIAL 1KHZ DF at Max 10%, 50V-100V -40°C ~ +105°C for Loudspeaker

JAK - Non-Polar AXIAL 1KHZ DF at Max 10%, 50V-100V -40°C ~ +105°C for Loudspeaker

JAL - Bi-Polar Aluminum E-Caps for Loudspeaker

Welcome any your inquiries for quote.

 jb Capacitors Company offer Mini size Film capacitors

jb Capacitors Company have some Mini Size series Film capacitors, they can use on the limit space board, they are our JFF, JFLM, JFMM series.

JFF and JFMM are mini box type, JFLM is dipped type. There are many different choice for customer’s demands, their features is in below table.

#Capacitors #Mini #Size #Film #box #dipped

jb Capacitors Company -- Super Capacitors from jb capacitors

 Super capacitors are ideal when a quick charge is needed to fill a short-term power need.  They can be used in solar power applications, battery back-up applications, battery applications, flash-light applications, etc.

Super capacitors have also made critical inroads into electric powertrains. The virtue of ultra-rapid charging during regenerative braking and delivery of high current on acceleration makes the super capacitor ideal as a peak-load enhancer for hybrid vehicles as well as for fuel cell applications.

We would like to introduce our hot products for you. You can click below title to know more about our products.
We have Radial, Snap-in, Screw Type Super Capacitors and Coin Type Super Capacitors. Please refer to below product list of Super Capacitors.

JGA - 5.5V Standard Coin Type Super Capacitors
Features:
Standard coin-type
Small-sized, large capacity

JGM - 5.5V 7.5V Combined Type Super Capacitors
Features:
Low internal resistance.
Standard power type.
Pb-free and RoHS compliant.

JGY - 5V 7.5V Combined Type Super Capacitors
Features:
Low leakage current.
Standard energy type.
Pb-free and RoHS compliant.

JGZ - 2.7V 3V Low ESR Radial Snap in Screw Type Super Capacitors
Features:
High energy and high power.
Low ESR.
Pb-free and RoHS compliant.

jb Capacitors Company Metallized Polyester Film Capacitor—JFB

 Jb capacitors company is professional in manufacturing Metallized Polyester Film Capacitors. Our JFB series is one of the top sellers. This product is also known as CL21. It’s great substitution of Vishay MKT 368, Epcos B32591~B32594. Mainly used in power supplies, electronics ballasts etc.

We support very competitive prices and superior product quality.

JFB Specifications:
Operating Temperature: -40°C~ +85°C
Rated Voltage: DC 100V, 250V, 400V, 630V
Capacitance Range: 0.01 ~ 6.8μF
Capacitance Tolerance: ±5%, ±10%, ±20%
Packing: Bulk or Ammo package

jb Capacitors Company Mini Size MKT capacitors-JFF,JFH,JFJ,JFE

 Film capacitors series is one of jb Capacitors Company’s strong series. There are several series of film capacitors, some of them are mini nature size including JFF,JFH,JFJ,JFE. These series are able to use on the printed circuit board(PCB) when you have size limitation. These series are Metallized Polyester Film Capacitor. JFH and JFE are Dipped type capacitors, on the other hand JFF and JFJ are Box type capacitors.

Recently, Panasonic has discontinued their ECQ-V series, these can be one of your another choice. If there is any trouble to find the suitable one to replace, JFF,JFH,JFJ,JFE will be a good back up plan.  Please contact with our sales as soon as possible.

jb Offer Ceramic Capacitors—JYA &JYC

jb Capacitors manufactures and markets Ceramic Capacitors, Including CD Y1 400VAC and CE Y2 300AC Safety Standard Recognized Capacitors and 1KV, 2KV, 3KV,4KV, 5KV, 6KV, 8KV, 10KV, 15KV DC High Voltage Ceramic Capacitors.

Class X2 and Y2 are the most commonly used safety-certified capacitors. X1 and Y1 safety capacitors are used in industrial settings.

Y Capacitors: Also known as "line to ground capacitors" (line bypass.) Y capacitors are used in applications where failure of the capacitor could lead to the danger of electrical shock to the user, if the ground connection is lost.

JYA - Y1(CD 400VAC) and Y2(CE 300VAC) Safety Standard Recognized Capacitors
-Ideal for across the line applications
-Compact size
-Cost effective product
-Safety standards recognized

JYC - High Voltage Ceramic Radial Type Disc Capacitors
-Operating Condition Range -25°C to +85°C.
-Rated Working Voltage 1KV – 15KV DC.
-Use for coupling, and by-pass circuit there are a stable and high reliability products.

jb Cacpactiors Company Opened Distributor Page

We opened “distributor page” on your website. Please find it here: http://www.jbcapacitors.com/Distributor.html 

We welcome more and more distributors join with us, and win more market shares together.

"jb” is definitely a worthwhile brand for you keep promoting on your markets. 
We are ISO 9001:2015 certificated manufacturer, Our products have been certificated with ENEC, VDE, UL, CE, SGS etc.
Remember us: jb Capacitors, professional produce Film Capacitors, Aluminum Electrolytic Capacitors since 1980.

jb Invist You to Talk About Capacitors Brand

Do you know that there is a famous website has analysis on present competitive situation of Aluminum Capacitors? Aluminum Capacitors Market report provides the detail you need including market shares and developing growth rate of top-line vendors. According to the report, the leading vendor is including Nippon Chemi-Con, Nichicon, Rubycon, Panasonic, Vishay, KEMET, EPCOS and others. Moreover, they have started to invest in China to build their China-based facilities.

Turing to jb Capacitors Company, we are doing business in China for many years, we are familiar with the environment, law, human resource and so on. We even have Taiwan office and Hong Kong HQ. jb has grown year by year, and keeping our high quality with competitive price. jb is just your best choice.

Contact us for more production in formation.

jb Capitors Company Best X2 series Choice--JFW

Hi Dear,

As you know, we are going to discontinue our JFV series in 2019.

But don’t worry about it. We still have strong X2 series, JFW.

JFW is our hot item. We provide it with competitive price and fast lead time.

For some common value, we even can ship out the goods within 4 weeks.

We have lots of size with certification now. Would you like to let me know your demand?

Then I can arrange some samples for you.

Await for your inquiry! info@jbcapacitors.com

jb Capacitors Company 10th Anniversary Exhibition History

Hello, please see our new web page for exhibitions history. We exhibited many famous exhibitions these years.
We are looking forward to meet with you face to face in the next exhibitions!

http://www.jbcapacitors.com/pdf/jb-Exhibition-History.pdf
 
Please follow us on below channel, thank you very much.
jb Capacitors: high quality manufacturer for film capacitors, aluminum electrolytic capacitors

Facebook: https://www.facebook.com/jb-capacitors-company-388399364536680/
Linkedin:  https://www.linkedin.com/in/jb-capacitors-5bab8b42/
Youtube: https://www.youtube.com/c/jbCapacitors

jb X2 Met Polypropylene Film Capacitor - Temperature Humidity Bias (THB) Series- JFWT

JFWT - X2 Met Polypropylene Film Capacitor - Temperature Humidity Bias (THB) Series is a plenty good product because of keeping reliability under severe ambient condition, such as high temperature (85 degree Celsius) and high humidity (85 percent relative humidity).And it provides interference suppression capacitor with VDE, ENEC and UL approvals. Short delivery, some items have stock available. Common items are 0.47uF and 0.39uF

JFWT 85/85 THB Series Applicable devices:
For automotive semiconductors such as microcontrollers, HIC, and other control automotive electronics.
Across-the-line EMI filtering and connection in series with the mains for high stability grade applications in severe ambient conditions
For capacitive divider power supply such as power meter, LED driver, and other sever ambient condition applications.

jb Wish You Happy New Year And Send Us Request

Dear jb VIP customer:

Happy new year 2019. Wish you health and prosperity for you and your family.

As we know, we will have CNY holiday at the end of this month, the lead time is very long before or after holiday.

If you have urgent order on hand, please confirm before our holiday, then we can help arrange earliest production schedule for you.
If you confirm after holiday, usually the lead time is very longer, possible at the end of April, even on May. Please kindly understand this hard situation.

During CNY holiday, our sales team will overtime, if you have any request needs our support, just contact us, we’ll give you a fast reply.

JB most strong series are as below:
JFB - Metallized Polyester Film Capacitor
JFG - Axial Metallized Polyester & Polypropylene Film Capacitor
JFW - X2 Metallized Polypropylene Film Capacitor (310VAC)
JRA - 2000H at 85°C, Radial Aluminum Electrolytic Capacitors, Miniature Series
JRB - 2000H at 105°C, Radial Aluminum Elec. Capacitors, Miniature and Large Capacity
JCS - 2000H at 85°C SMD Aluminum Electrolytic Capacitor (Hot)download pdf
JCK - 1000H at 105°C SMD Aluminum Electrolytic Capacitor

jb - Find "jb Capacitors" on YouTube

Keywords: jb on YouTube. jb Capacitors

"jb” established since 1980. And we start to produce E-Cap since 1982. Please find us on YouTube: https://www.youtube.com/c/jbCapacitors

Gradually, our brand become more and more popular on markets.
More and more customers come to us or to our distributors ask for “jb” brand directly.

We stand on the markets by high quality, reasonable prices, and very strong sales / technical support.
Our high quality is proved by markets, by customers, by time. Welcome to send to us your inquiry to info@jbcapacitors.com