EPCOS B811 series Power Factor Correction (PFC) Capacitors

Features and Applications of Power Factor Correction (PFC) Capacitors

The purpose of this article is to briefly illustrate what is possible with power factor correction (PFC) capacitors and the features and applications of these capacitors manufactured by EPCOS under the B811 series.

Applications

  • Lighting
  • Data center & enterprise computing
Associated Products

Part NumberDescriptionStockRFQ
B81123C1102MFilm Capacitors 0.001uF 500Vac 20% Class Y10RFQ
B81123C1562MFilm Capacitors 0.0056uF 500Vac 20% Class Y10RFQ
B81123C1682M6800pF Film Capacitor 500VPolypropylene (PP), Metallized Radial 1.043" L x 0.335" W (26.50mm x 8.50mm)0RFQ
B81121CB122Cap Film 0.033uF 250VAC PP 20% (18 X 5 X 10.5mm) Radial 15mm 85°C0RFQ
Technical Documents

Today, I am introducing EPCOS brand Power Factor Correction (PFC) Capacitor. Delta connections have been explained for PFC internal capacitor arrangements. Calculation of kVAr to uF has been explained. Testing of PFC Capacitor with Digital Multimeter with Capacitance Mode has been explained.

Power Factor Capacitor | PFC Capacitor | PFC Capacitor Testing | Urdu/Hindi | Lecture No. 76


B811 series PFC capacitors are a reliable and cost-effective solution for power factor correction applications. The capacitors are designed for use in high-temperature and high-humidity environments, making them suitable for use in harsh industrial environments. The self-healing dielectric material and safety vent ensure that the capacitors can withstand high electrical stresses and provide long service life. The cylindrical aluminum can design provides excellent heat dissipation, and the capacitors are available in a range of sizes to suit different applications.

With UL and VDE approvals, B811 series PFC capacitors meet international safety standards and are widely used in various industries.

Features

The main features of B811 series Power Factor Correction (PFC) Capacitors may be summarized as follows:

1. B811 series PFC capacitors are designed for high reliability and long service life in demanding applications.

2. They have a capacitance range from 1µF to 350µF and a voltage range from 160V AC to 900V AC.

3. The capacitors have a low loss, self-healing dielectric, and are encapsulated in a cylindrical aluminum can with a safety vent.

4. B811 capacitors are RoHS compliant and have UL and VDE approvals.

Applications

  • Data centers

  • Electric vehicle charging stations

  • Welding machines

  • LED lighting

B811 series PFC capacitors are used in applications where high power quality and efficiency are required, such as in power supplies for data centers, electric vehicle charging stations, welding machines, and other industrial applications. They are also used in lighting applications, such as fluorescent and LED lighting, to improve power factors and reduce harmonic distortion.


Frequently Asked Questions

What is the capacitance range of the B811 series?

The capacitance range of the B811 series is from 1 µF to 130 µF.

What is the rated voltage of the B811 series?

The rated voltage of the B811 series is up to 1200 VAC.

What is the temperature range of the B811 series?

The B811 series can operate in a temperature range of -40°C to +85°C.